OpenGLRenderer.cpp revision 8694230ff25fa0a60e480d424843e56b718f0516
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> 24694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 255cbbce535744b89df5ecea95de21ee3733298260Romain Guy 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 3706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy#define REQUIRED_TEXTURE_UNITS_COUNT 3 3806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 39dda570201ac851dd85af3861f7e575721d3345daRomain Guy// Generates simple and textured vertices 40bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#define FV(x, y, u, v) { { x, y }, { u, v } } 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 459d5316e3f56d138504565ff311145ac01621dff4Romain Guy 46026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// This array is never used directly but used as a memcpy source in the 47026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// OpenGLRenderer constructor 48ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guystatic const TextureVertex gMeshVertices[] = { 49c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy FV(0.0f, 0.0f, 0.0f, 0.0f), 50c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy FV(1.0f, 0.0f, 1.0f, 0.0f), 51c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy FV(0.0f, 1.0f, 0.0f, 1.0f), 52c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy FV(1.0f, 1.0f, 1.0f, 1.0f) 53bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy}; 54ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guystatic const GLsizei gMeshStride = sizeof(TextureVertex); 55ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guystatic const GLsizei gMeshCount = 4; 56026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 65889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 66026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 68026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 69026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ZERO }, 70026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 71026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 72026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 73026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 74026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 75026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 76026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 77026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 78026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 79026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 80026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA } 81026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 82e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 83f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 84f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ZERO }, 85f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 86f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 87f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 88f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 89f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 90f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 91f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 92f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 93f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 94f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 95f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA } 96f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 97f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 98889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystatic const GLenum gTextureUnits[] = { 9906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GL_TEXTURE0, 10006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GL_TEXTURE1, 10106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GL_TEXTURE2 102d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy}; 103d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 104f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 105f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 106f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 108fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 10985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy LOGD("Create OpenGLRenderer"); 1109d5316e3f56d138504565ff311145ac01621dff4Romain Guy 11106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 112db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 114026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 115ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 116ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 117ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 118ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy 119ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy GLint maxTextureUnits; 120ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits); 121ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy if (maxTextureUnits < REQUIRED_TEXTURE_UNITS_COUNT) { 122889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy LOGW("At least %d texture units are required!", REQUIRED_TEXTURE_UNITS_COUNT); 123889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 124e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy LOGD("Destroy OpenGLRenderer"); 128e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 129e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 130f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 131f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 132f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 133f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 13485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 13508ae317c21ec3086b5017672bba87420cc38a407Romain Guy glViewport(0, 0, width, height); 136260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 137bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 138bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 139bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 140e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 141e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 14285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::prepare() { 1438aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1448aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 1458fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 146f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 147fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glViewport(0, 0, mWidth, mHeight); 148fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy 149d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy glDisable(GL_DITHER); 15008ae317c21ec3086b5017672bba87420cc38a407Romain Guy glDisable(GL_SCISSOR_TEST); 151bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 15208ae317c21ec3086b5017672bba87420cc38a407Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 15308ae317c21ec3086b5017672bba87420cc38a407Romain Guy glClear(GL_COLOR_BUFFER_BIT); 154bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 15508ae317c21ec3086b5017672bba87420cc38a407Romain Guy glEnable(GL_SCISSOR_TEST); 156c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy glScissor(0, 0, mWidth, mHeight); 157f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 158b82da65cb1601be504241f36778395cd6cb9f87bRomain Guy mSnapshot->setClip(0.0f, 0.0f, mWidth, mHeight); 159bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 160bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 161da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guyvoid OpenGLRenderer::acquireContext() { 162da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 163da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 164da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 165da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 166da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 167da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 168da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 169da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 170da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guyvoid OpenGLRenderer::releaseContext() { 171f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glViewport(0, 0, mWidth, mHeight); 172da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 173da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 174da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy setScissorFromClip(); 175da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 176f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glDisable(GL_DITHER); 177f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 178f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, 0); 179f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 180da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.blend) { 181da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_BLEND); 182da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 183f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glBlendEquation(GL_FUNC_ADD); 184da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } else { 185da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glDisable(GL_BLEND); 186da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 187da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 188da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain 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) { 1988aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 199bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 200bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 201bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 2022542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 2032542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2047ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 205bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 206bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 207bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 2088fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 209bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2108fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 2112542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2127ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 213bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 214bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2158aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 2168aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 2178fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 218bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 219bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 220bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 2217ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 222bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 223bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 224bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 2257ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 226bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2278b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 2288b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 2298b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 230bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy if (restoreLayer) { 231d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy composeLayer(current, previous); 232d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 233bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2342542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 2352542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy setScissorFromClip(); 2368fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 2372542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 2382542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 239d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 2405cbbce535744b89df5ecea95de21ee3733298260Romain Guy 241f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 242bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 243bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 244bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 245bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 246bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy const SkPaint* p, int flags) { 2478aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy int count = saveSnapshot(flags); 248d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 249d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy int alpha = 255; 250d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy SkXfermode::Mode mode; 251d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 252d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy if (p) { 253d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy alpha = p->getAlpha(); 254a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mExtensions.hasFramebufferFetch()) { 255a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 256a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 257a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 258a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 259a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 260a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 261a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 262d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 263d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } else { 264d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy mode = SkXfermode::kSrcOver_Mode; 265d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 266d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 267f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags); 268d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 269d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 270bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 271bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 272bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 273bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 2748aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy if (alpha == 0xff) { 2758aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 2768b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 2778aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 2788aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 2798aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 2808b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 281d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 282bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 283d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 284d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy float right, float bottom, int alpha, SkXfermode::Mode mode,int flags) { 285d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy LAYER_LOGD("Requesting layer %fx%f", right - left, bottom - top); 286fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 287dda570201ac851dd85af3861f7e575721d3345daRomain Guy 288f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 2898aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 290f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy mSnapshot->transform->mapRect(bounds); 2918aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy 2928aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy LayerSize size(bounds.getWidth(), bounds.getHeight()); 293dda570201ac851dd85af3861f7e575721d3345daRomain Guy 294f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy Layer* layer = mCaches.layerCache.get(size); 295f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 296f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 297bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 298bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 299dda570201ac851dd85af3861f7e575721d3345daRomain Guy layer->mode = mode; 300f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy layer->alpha = alpha; 3018aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 302dda570201ac851dd85af3861f7e575721d3345daRomain Guy 3038fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 3048fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 305dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 3061d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 307f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Copy the framebuffer into the layer 308f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 309f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bounds.left, mHeight - bounds.bottom, 310f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bounds.getWidth(), bounds.getHeight(), 0); 311f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 312f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy if (flags & SkCanvas::kClipToLayer_SaveFlag) { 3138694230ff25fa0a60e480d424843e56b718f0516Romain Guy if (mSnapshot->clipTransformed(bounds)) setScissorFromClip(); 314f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 315f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 3168694230ff25fa0a60e480d424843e56b718f0516Romain Guy // Enqueue the buffer coordinates to clear the corresponding region later 3178694230ff25fa0a60e480d424843e56b718f0516Romain Guy mLayers.push(new Rect(bounds)); 318f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 319d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 320bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 321bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3221d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 3231d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 3241d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LOGE("Attempting to compose a layer that does not exist"); 3251d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 3261d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 3271d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 3281d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy // Restore the clip from the previous snapshot 3298aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy const Rect& clip = *previous->clipRect; 330f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glScissor(clip.left, mHeight - clip.bottom, clip.getWidth(), clip.getHeight()); 3311d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 3321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 3331d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 3341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 335f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy if (layer->alpha < 255) { 336f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glEnable(GL_BLEND); 337f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glBlendFuncSeparate(GL_ZERO, GL_SRC_ALPHA, GL_DST_ALPHA, GL_ZERO); 338f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 339f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 340f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy layer->alpha << 24, SkXfermode::kSrcOver_Mode, true, true); 341f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 342f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 343f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy if (!mCaches.blend) { 344f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glDisable(GL_BLEND); 345f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 346f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 347f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 348f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Layers are already drawn with a top-left origin, don't flip the texture 3498b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 3508b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 351f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawTextureMesh(rect.left, rect.top, rect.right, rect.bottom, layer->texture, 352f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 1.0f, layer->mode, layer->blend, &mMeshVertices[0].position[0], 353f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy &mMeshVertices[0].texture[0], NULL, 0, true, true); 3541d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 3558b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 3568b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 3571d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LayerSize size(rect.getWidth(), rect.getHeight()); 3581d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy // Failing to add the layer to the cache should happen only if the 3591d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy // layer is too large 360fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (!mCaches.layerCache.put(size, layer)) { 3611d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 3621d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 3631d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy glDeleteTextures(1, &layer->texture); 3641d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 3651d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 3661d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 3671d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 3681d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 3698694230ff25fa0a60e480d424843e56b718f0516Romain Guyvoid OpenGLRenderer::clearLayerRegions() { 3708694230ff25fa0a60e480d424843e56b718f0516Romain Guy if (mLayers.size() == 0) return; 3718694230ff25fa0a60e480d424843e56b718f0516Romain Guy 3728694230ff25fa0a60e480d424843e56b718f0516Romain Guy for (uint32_t i = 0; i < mLayers.size(); i++) { 3738694230ff25fa0a60e480d424843e56b718f0516Romain Guy Rect* bounds = mLayers.itemAt(i); 3748694230ff25fa0a60e480d424843e56b718f0516Romain Guy 3758694230ff25fa0a60e480d424843e56b718f0516Romain Guy // Clear the framebuffer where the layer will draw 3768694230ff25fa0a60e480d424843e56b718f0516Romain Guy glScissor(bounds->left, mHeight - bounds->bottom, 3778694230ff25fa0a60e480d424843e56b718f0516Romain Guy bounds->getWidth(), bounds->getHeight()); 3788694230ff25fa0a60e480d424843e56b718f0516Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 3798694230ff25fa0a60e480d424843e56b718f0516Romain Guy glClear(GL_COLOR_BUFFER_BIT); 3808694230ff25fa0a60e480d424843e56b718f0516Romain Guy 3818694230ff25fa0a60e480d424843e56b718f0516Romain Guy delete bounds; 3828694230ff25fa0a60e480d424843e56b718f0516Romain Guy } 3838694230ff25fa0a60e480d424843e56b718f0516Romain Guy mLayers.clear(); 3848694230ff25fa0a60e480d424843e56b718f0516Romain Guy 3858694230ff25fa0a60e480d424843e56b718f0516Romain Guy // Restore the clip 3868694230ff25fa0a60e480d424843e56b718f0516Romain Guy setScissorFromClip(); 3878694230ff25fa0a60e480d424843e56b718f0516Romain Guy} 3888694230ff25fa0a60e480d424843e56b718f0516Romain Guy 389bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 390f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 391f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 392f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 393f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 3948aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 395f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 396f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 397f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 3988aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 399f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 400f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 401f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 4028aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 403f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 404f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 405f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 4068aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->load(*matrix); 407f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 408f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 409f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 4108aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 411f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 412f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 413f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 4147ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy mat4 m(*matrix); 4158aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->multiply(m); 416f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 417f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 418f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 419f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 420f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 421f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 422bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 4238aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy const Rect& clip = *mSnapshot->clipRect; 424f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glScissor(clip.left, mHeight - clip.bottom, clip.getWidth(), clip.getHeight()); 4259d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 4269d5316e3f56d138504565ff311145ac01621dff4Romain Guy 4279d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 428079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 429bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 430bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 431c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 4321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 4338aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 4348aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->intersects(r); 435c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 436c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 437079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 438079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 4397ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 4407ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy setScissorFromClip(); 4417ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 4428aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 443e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 444e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 445f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 446f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 447f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 448f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 449c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, const SkPaint* paint) { 4506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 4516926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 4526926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 4536926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 4546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 4556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 4566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 45761c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy glActiveTexture(GL_TEXTURE0); 458fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const Texture* texture = mCaches.textureCache.get(bitmap); 4599cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 46022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 46122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 4626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 4638ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 4648ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 465f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, const SkMatrix* matrix, const SkPaint* paint) { 466f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 467f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 468f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 469f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 4706926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 4716926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 4726926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 4736926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 47461c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy glActiveTexture(GL_TEXTURE0); 475fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const Texture* texture = mCaches.textureCache.get(bitmap); 4769cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 47722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 47822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 47982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy drawTextureRect(r.left, r.top, r.right, r.bottom, texture, paint); 480f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 481f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 4828ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 4838ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 4848ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 485f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const SkPaint* paint) { 4866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 4876926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 4886926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 4896926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 49061c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy glActiveTexture(GL_TEXTURE0); 491fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const Texture* texture = mCaches.textureCache.get(bitmap); 4929cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 49322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 4948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 4958ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 4968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 497c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 4988ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u1 = srcLeft / width; 4998ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v1 = srcTop / height; 5008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u2 = srcRight / width; 5018ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v2 = srcBottom / height; 502c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 5038ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 5048ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 50582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy drawTextureRect(dstLeft, dstTop, dstRight, dstBottom, texture, paint); 5068ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 5078ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 508ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 509ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 510deba785f122a47915756ffd991f5540d952cf937Romain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, Res_png_9patch* patch, 511deba785f122a47915756ffd991f5540d952cf937Romain Guy float left, float top, float right, float bottom, const SkPaint* paint) { 5126926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 5136926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 5146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 5156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 51661c8c9c5b2006d18e9310b6521c65b36ffe75ce4Romain Guy glActiveTexture(GL_TEXTURE0); 517fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const Texture* texture = mCaches.textureCache.get(bitmap); 5189cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 51922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 520f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 521f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 522f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 523f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 524f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 525fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy Patch* mesh = mCaches.patchCache.get(patch); 526fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy mesh->updateVertices(bitmap, left, top, right, bottom, 527fb5e23c327cd5f8f93d1eaa7c10f34d6fd3efb6cRomain Guy &patch->xDivs[0], &patch->yDivs[0], patch->numXDivs, patch->numYDivs); 528f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 529f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy // Specify right and bottom as +1.0f from left/top to prevent scaling since the 530f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy // patch mesh already defines the final size 531a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, left + 1.0f, top + 1.0f, texture->id, alpha / 255.0f, 532a979474f15b454c8e2963f239a3770e200bb227cRomain Guy mode, texture->blend, &mesh->vertices[0].position[0], 53316202fc9745e9b11db089ebc8f40119d13732016Romain Guy &mesh->vertices[0].texture[0], mesh->indices, mesh->indicesCount); 534f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 535f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 53685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 5378aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy const Rect& clip = *mSnapshot->clipRect; 5383d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 539c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 5409d5316e3f56d138504565ff311145ac01621dff4Romain Guy 541bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, const SkPaint* p) { 5426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 5436926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 5446926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 5456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 546026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 547a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mExtensions.hasFramebufferFetch()) { 548a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 549a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 550a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 551a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 552a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 553a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 554a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 555026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 556026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 557026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Skia draws using the color's alpha channel if < 255 558026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Otherwise, it uses the paint's alpha 559026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 560d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (((color >> 24) & 0xff) == 255) { 561026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy color |= p->getAlpha() << 24; 562026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 563026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 564026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy drawColorRect(left, top, right, bottom, color, mode); 565c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 5669d5316e3f56d138504565ff311145ac01621dff4Romain Guy 567e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 568e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy float x, float y, SkPaint* paint) { 569f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy if (text == NULL || count == 0 || (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 570e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 571e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 572f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy paint->setAntiAlias(true); 573e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 574a80d32f7b69aa37026ab99e4ade1ad86dae76a81Romain Guy float scaleX = paint->getTextScaleX(); 575a80d32f7b69aa37026ab99e4ade1ad86dae76a81Romain Guy bool applyScaleX = scaleX < 0.9999f || scaleX > 1.0001f; 576a80d32f7b69aa37026ab99e4ade1ad86dae76a81Romain Guy if (applyScaleX) { 5778aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy save(SkCanvas::kMatrix_SaveFlag); 578a80d32f7b69aa37026ab99e4ade1ad86dae76a81Romain Guy translate(x - (x * scaleX), 0.0f); 579a80d32f7b69aa37026ab99e4ade1ad86dae76a81Romain Guy scale(scaleX, 1.0f); 580a80d32f7b69aa37026ab99e4ade1ad86dae76a81Romain Guy } 581a80d32f7b69aa37026ab99e4ade1ad86dae76a81Romain Guy 582a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy float length = -1.0f; 583e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 584e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 585e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 586e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 587e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 588e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 589e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 590e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 591e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 592e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 593e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 594e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 595e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 596694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy int alpha; 597694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy SkXfermode::Mode mode; 598694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy getAlphaAndMode(paint, &alpha, &mode); 599694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 6002542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy uint32_t color = paint->getColor(); 6012542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy const GLfloat a = alpha / 255.0f; 6022542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy const GLfloat r = a * ((color >> 16) & 0xFF) / 255.0f; 6032542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy const GLfloat g = a * ((color >> 8) & 0xFF) / 255.0f; 6042542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy const GLfloat b = a * ((color ) & 0xFF) / 255.0f; 6052542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 606b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 607b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 608fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 6091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 6101e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy glActiveTexture(gTextureUnits[0]); 611b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 612fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get(paint, text, bytesCount, 6131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy count, mShadowRadius); 6141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 6150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 6162542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy setupShadow(shadow, x, y, mode, a); 6170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 6180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Draw the mesh 6190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 620fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 6211e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 6221e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 62306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GLuint textureUnit = 0; 624db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy glActiveTexture(gTextureUnits[textureUnit]); 62506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 626b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy setupTextureAlpha8(fontRenderer.getTexture(), 0, 0, textureUnit, x, y, r, g, b, a, 6270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy mode, false, true); 62806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 62909147fbdc8206a0cac78bfe9083e7e15b3c5689cRomain Guy const Rect& clip = mSnapshot->getLocalClip(); 6308694230ff25fa0a60e480d424843e56b718f0516Romain Guy clearLayerRegions(); 631b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.renderText(paint, &clip, text, 0, bytesCount, count, x, y); 632694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 633694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 634fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 635a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy 6360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy drawTextDecorations(text, bytesCount, length, x, y, paint); 637a80d32f7b69aa37026ab99e4ade1ad86dae76a81Romain Guy 638a80d32f7b69aa37026ab99e4ade1ad86dae76a81Romain Guy if (applyScaleX) { 639a80d32f7b69aa37026ab99e4ade1ad86dae76a81Romain Guy restore(); 640a80d32f7b69aa37026ab99e4ade1ad86dae76a81Romain Guy } 641694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 642694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 6437fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 6447fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy GLuint textureUnit = 0; 6457fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy glActiveTexture(gTextureUnits[textureUnit]); 6467fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 647fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 6489cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 64922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 6507fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 6518b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 6528b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 6538b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 6548b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 6558b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy return; 6568b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 6578b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 6587fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy int alpha; 6597fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy SkXfermode::Mode mode; 6607fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy getAlphaAndMode(paint, &alpha, &mode); 6617fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 6627fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy uint32_t color = paint->getColor(); 6637fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy const GLfloat a = alpha / 255.0f; 6647fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy const GLfloat r = a * ((color >> 16) & 0xFF) / 255.0f; 6657fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy const GLfloat g = a * ((color >> 8) & 0xFF) / 255.0f; 6667fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy const GLfloat b = a * ((color ) & 0xFF) / 255.0f; 6677fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 6680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy setupTextureAlpha8(texture, textureUnit, x, y, r, g, b, a, mode, true, true); 6690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 6708694230ff25fa0a60e480d424843e56b718f0516Romain Guy clearLayerRegions(); 6718694230ff25fa0a60e480d424843e56b718f0516Romain Guy 6720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Draw the mesh 6730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 674fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 6757fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 6767fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 6776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 678d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 679d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 680d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 681d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 68206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 68306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 68406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 68506f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 68606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 68706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 688fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 68906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 6907fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 6917fac2e18339f765320d759e8d4c090f92431959eRomain Guy 692d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 693db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 694db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 695db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 696db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 697db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 698db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 699db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 700db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 701db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 702db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 703db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 704db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 7051e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 7061e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 7071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 7081e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 7091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 7101e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 7111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 7121e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 7131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 7141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 7151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 7161e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 7171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 7181e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 7191e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 7201e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 7216926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 7226926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 7236926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 7240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::setupShadow(const ShadowTexture* texture, float x, float y, 7252542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy SkXfermode::Mode mode, float alpha) { 7260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy const float sx = x - texture->left + mShadowDx; 7270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy const float sy = y - texture->top + mShadowDy; 7280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 7292542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 7302542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy const GLfloat a = shadowAlpha < 255 ? shadowAlpha / 255.0f : alpha; 7310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy const GLfloat r = a * ((mShadowColor >> 16) & 0xFF) / 255.0f; 7320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy const GLfloat g = a * ((mShadowColor >> 8) & 0xFF) / 255.0f; 7330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy const GLfloat b = a * ((mShadowColor ) & 0xFF) / 255.0f; 7340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 7350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy GLuint textureUnit = 0; 7360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy setupTextureAlpha8(texture, textureUnit, sx, sy, r, g, b, a, mode, true, false); 7370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 7380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 7390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::setupTextureAlpha8(const Texture* texture, GLuint& textureUnit, 7400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, float r, float g, float b, float a, SkXfermode::Mode mode, 7410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy bool transforms, bool applyFilters) { 7420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy setupTextureAlpha8(texture->id, texture->width, texture->height, textureUnit, 7430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy x, y, r, g, b, a, mode, transforms, applyFilters); 7440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 7450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 7460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::setupTextureAlpha8(GLuint texture, uint32_t width, uint32_t height, 7470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy GLuint& textureUnit, float x, float y, float r, float g, float b, float a, 7480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy SkXfermode::Mode mode, bool transforms, bool applyFilters) { 7490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Describe the required shaders 7500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy ProgramDescription description; 7510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy description.hasTexture = true; 7520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy description.hasAlpha8Texture = true; 7530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 7540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (applyFilters) { 7550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (mShader) { 7560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy mShader->describe(description, mExtensions); 7570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 7580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (mColorFilter) { 7590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy mColorFilter->describe(description, mExtensions); 7600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 7610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 7620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 763a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Setup the blending mode 764a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy chooseBlending(true, mode, description); 765a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 7660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Build and use the appropriate shader 767fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy useProgram(mCaches.programCache.get(description)); 7680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 7690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy bindTexture(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, textureUnit); 770fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), textureUnit); 7710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 772fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy int texCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 7730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glEnableVertexAttribArray(texCoordsSlot); 7740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 7750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Setup attributes 776fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 7770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy gMeshStride, &mMeshVertices[0].position[0]); 7780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glVertexAttribPointer(texCoordsSlot, 2, GL_FLOAT, GL_FALSE, 7790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy gMeshStride, &mMeshVertices[0].texture[0]); 7800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 7810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Setup uniforms 7820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (transforms) { 7830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy mModelView.loadTranslate(x, y, 0.0f); 7840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy mModelView.scale(width, height, 1.0f); 7850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } else { 7860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy mModelView.loadIdentity(); 7870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 7888aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 789fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glUniform4f(mCaches.currentProgram->color, r, g, b, a); 7900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 7910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy textureUnit++; 7920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (applyFilters) { 7930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Setup attributes and uniforms required by the shaders 7940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (mShader) { 795fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &textureUnit); 7960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 7970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (mColorFilter) { 798fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 7990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 8000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 8010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 8020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 803f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 8040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 8050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 8060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 8070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 8080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 8090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 8100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 8110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 8120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 8130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 8140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 8150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 8160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy underlineWidth = paint->measureText(text, bytesCount); 8170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 8180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 8190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 8200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy switch (paint->getTextAlign()) { 8210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 8220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 8230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 8240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 8250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 8260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 8270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 8280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 8290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 8300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 8310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 8320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float textSize = paint->getTextSize(); 8330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float height = textSize * kStdUnderline_Thickness; 8340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 8350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float left = x - offsetX; 8360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 8370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float right = left + underlineWidth; 8380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float bottom = 0.0f; 8390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 8400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 8410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 8420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy bottom = top + height; 8430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy drawRect(left, top, right, bottom, paint); 8440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 8450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 8460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 8470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 8480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy bottom = top + height; 8490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy drawRect(left, top, right, bottom, paint); 8500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 8510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 8520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 8530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 8540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 855026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 856f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform, bool ignoreBlending) { 8578694230ff25fa0a60e480d424843e56b718f0516Romain Guy clearLayerRegions(); 8588694230ff25fa0a60e480d424843e56b718f0516Romain Guy 859d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 86006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 861d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 862d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 863d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 864d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // Render using pre-multiplied alpha 865026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy const int alpha = (color >> 24) & 0xFF; 866d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy const GLfloat a = alpha / 255.0f; 867c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy const GLfloat r = a * ((color >> 16) & 0xFF) / 255.0f; 868c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy const GLfloat g = a * ((color >> 8) & 0xFF) / 255.0f; 869c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy const GLfloat b = a * ((color ) & 0xFF) / 255.0f; 870c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 87106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy GLuint textureUnit = 0; 8729d5316e3f56d138504565ff311145ac01621dff4Romain Guy 87306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy // Describe the required shaders 874889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy ProgramDescription description; 87506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 87606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader->describe(description, mExtensions); 877c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy } 878db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy if (mColorFilter) { 879db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter->describe(description, mExtensions); 880db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 881c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 882f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy if (!ignoreBlending) { 883f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Setup the blending mode 884f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy chooseBlending(alpha < 255 || (mShader && mShader->blend()), mode, description); 885f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 886a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 88706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy // Build and use the appropriate shader 888fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy useProgram(mCaches.programCache.get(description)); 889c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 89006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy // Setup attributes 891fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 892ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy gMeshStride, &mMeshVertices[0].position[0]); 893c0ac193b9415680f0a69e20a3f5f22d16f8053beRomain Guy 89406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy // Setup uniforms 895889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy mModelView.loadTranslate(left, top, 0.0f); 896889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy mModelView.scale(right - left, bottom - top, 1.0f); 89706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (!ignoreTransform) { 8988aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 899889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } else { 90006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mat4 identity; 901fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, identity); 902889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy } 903fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glUniform4f(mCaches.currentProgram->color, r, g, b, a); 904d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 90506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy // Setup attributes and uniforms required by the shaders 90606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 907fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &textureUnit); 908d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 909db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy if (mColorFilter) { 910fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 911db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 912d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 91306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy // Draw the mesh 914889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 915d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy} 916d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 91782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 918a979474f15b454c8e2963f239a3770e200bb227cRomain Guy const Texture* texture, const SkPaint* paint) { 91982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 92082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 92182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 92282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 923a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, texture->blend, 924ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], NULL); 92585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 92685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 927bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 928a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 929a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 930ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], NULL); 931f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 932f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 933f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 934a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 935f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLvoid* vertices, GLvoid* texCoords, GLvoid* indices, GLsizei elementsCount, 936f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy bool swapSrcDst, bool ignoreTransform) { 9378694230ff25fa0a60e480d424843e56b718f0516Romain Guy clearLayerRegions(); 9388694230ff25fa0a60e480d424843e56b718f0516Romain Guy 939889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy ProgramDescription description; 940889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy description.hasTexture = true; 941db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy if (mColorFilter) { 942db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter->describe(description, mExtensions); 943db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 944889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 945bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy mModelView.loadTranslate(left, top, 0.0f); 946bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 947bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 948f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy chooseBlending(blend || alpha < 1.0f, mode, description, swapSrcDst); 949a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 950fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy useProgram(mCaches.programCache.get(description)); 951f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy if (!ignoreTransform) { 952f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 953f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } else { 954f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy mat4 m; 955f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, m); 956f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 957bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 958889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy // Texture 95906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy bindTexture(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, 0); 960fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), 0); 961c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 962a979474f15b454c8e2963f239a3770e200bb227cRomain Guy // Always premultiplied 963fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glUniform4f(mCaches.currentProgram->color, alpha, alpha, alpha, alpha); 964bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 965889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy // Mesh 966fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy int texCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 967889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy glEnableVertexAttribArray(texCoordsSlot); 968fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 969ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy gMeshStride, vertices); 970889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy glVertexAttribPointer(texCoordsSlot, 2, GL_FLOAT, GL_FALSE, gMeshStride, texCoords); 971bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 972db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy // Color filter 973db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy if (mColorFilter) { 974fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 975db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 976db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 977f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy if (!indices) { 978ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 979f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy } else { 980f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy glDrawElements(GL_TRIANGLES, elementsCount, GL_UNSIGNED_SHORT, indices); 981f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy } 982889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy glDisableVertexAttribArray(texCoordsSlot); 98382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 98482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 985a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 986f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 98782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 98882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 989a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode < SkXfermode::kPlus_Mode) { 990a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mCaches.blend) { 991a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glEnable(GL_BLEND); 992a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 99382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 994f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 995f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 99682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 997a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 998a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glBlendFunc(sourceMode, destMode); 999a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastSrcMode = sourceMode; 1000a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastDstMode = destMode; 1001a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1002a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1003a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // These blend modes are not supported by OpenGL directly and have 1004a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // to be implemented using shaders. Since the shader will perform 1005a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // the blending, turn blending off here 1006a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mExtensions.hasFramebufferFetch()) { 1007a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 1008f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 1009a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1010a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 1011a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mCaches.blend) { 1012a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glDisable(GL_BLEND); 1013a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1014a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy blend = false; 101582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 1016fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 101782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 101882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 1019fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 1020bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 1021bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 1022889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 1023d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 1024fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 1025d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 1026fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 10276926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 1028260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 10296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 1030260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 1031260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 1032026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 1033ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 103482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 103582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 103682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 103782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 10388ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 10398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 10408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 10418ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 1042a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mExtensions.hasFramebufferFetch()) { 1043a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(paint->getXfermode(), mode); 1044a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1045a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1046a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = SkXfermode::kSrcOver_Mode; 1047a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1048a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1049a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = getXfermode(paint->getXfermode()); 10508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 10518ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 10528ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 10538ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 10548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 10558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 10568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 10578ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 10588ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 10598ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 10608ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 10618ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 10628ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 1063026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 1064026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1065a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 1066a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode == NULL) { 1067a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return SkXfermode::kSrcOver_Mode; 1068a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1069a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return mode->fMode; 1070a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 1071a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 1072889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guyvoid OpenGLRenderer::bindTexture(GLuint texture, GLenum wrapS, GLenum wrapT, GLuint textureUnit) { 1073889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy glActiveTexture(gTextureUnits[textureUnit]); 1074ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy glBindTexture(GL_TEXTURE_2D, texture); 1075a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapS); 1076a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapT); 1077a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 1078a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 10799d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 1080e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 1081