OpenGLRenderer.cpp revision e651cc6239616a202f6e96ebc2ed93b4b8b3627c
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> 2403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy#include <SkPathMeasure.h> 25694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy 275cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 28e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 36a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 37e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 38e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 399d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 409d5316e3f56d138504565ff311145ac01621dff4Romain Guy 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy 45759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 46759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 47759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 48dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy// TODO: This should be set in properties 49dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy#define ALPHA_THRESHOLD (0x7f / PANEL_BIT_DEPTH) 50dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 51d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy#define FILTER(paint) (paint && paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 52d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 569d5316e3f56d138504565ff311145ac01621dff4Romain 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[] = { 692ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 832ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 84026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 85e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 89f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1042ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 105f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 106f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 110f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 111fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 113db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 1155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 116026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 118ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 119ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 120e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 121e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12329d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12429d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 126e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 127f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 12813631f3da855f200a151e7837ed9f6b079622b58Romain Guy// Debug 12913631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 13013631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13113631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 13213631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.startMark(0, name); 13313631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13413631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13513631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::endMark() const { 13613631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.endMark(); 13713631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13813631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13913631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 140f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 141f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 142f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 143530041d3191ce817832a0108514617768e43cda6Romain Guyuint32_t OpenGLRenderer::getStencilSize() { 144530041d3191ce817832a0108514617768e43cda6Romain Guy return STENCIL_BUFFER_SIZE; 145530041d3191ce817832a0108514617768e43cda6Romain Guy} 146530041d3191ce817832a0108514617768e43cda6Romain Guy 14785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 148260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 149bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 150bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 151bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 152eb99356a0548684a501766e6a524529ab93304c8Romain Guy 153eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 154eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 155746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1563e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glDisable(GL_DITHER); 15739d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy glEnable(GL_SCISSOR_TEST); 1583e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 15915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1603e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glEnableVertexAttribArray(Program::kBindingPosition); 161e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 162e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1636b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guyvoid OpenGLRenderer::prepare(bool opaque) { 1647d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1657d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1667d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1677d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guyvoid OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 168fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 1698f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy mFunctors.clear(); 170fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1718aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1728aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17384962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1748fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 175f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 17639d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy glViewport(0, 0, mWidth, mHeight); 1778f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 17839d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy 1797d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 18039d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy mDirtyClip = false; 1817d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1826b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 1836b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 1846b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 185bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 186bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 187b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 188b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 189b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 190b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 1915baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error from OpenGLRenderer: 0x%x", status); 192a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 193a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_ENUM: 194a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_ENUM"); 195a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 196a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_VALUE: 197a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_VALUE"); 198a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 199a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_OPERATION: 200a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_OPERATION"); 201a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 202a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 203a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" Out of memory!"); 204a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 205a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 206b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 207b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 208c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 209c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 210e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 211e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 212e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 213e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 214c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 215b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 216b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2176c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 218da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 219da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 220da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 221da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 222da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 223da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 22450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 22515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 226f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 22715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 228da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 229da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2306c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 23108837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 23208837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase 23308837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 2343e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2353e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 236da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 23782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 238746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 239da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 240a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 24108837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 24250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 24350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 24450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 24550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 24650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 247da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 248da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 249ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 250ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.remove(functor); 251ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2528f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 253ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 254ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 255ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2568f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 257ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 258ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 2593d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 2608f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 261ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 262ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 263ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 264ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 265ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 266ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 267ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 268ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 269ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 270ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 271ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 272ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 273ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 274ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 275ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 276ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 277ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 278ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 279c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 280ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 281ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 282c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 283ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 284c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 285c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 2868f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 2878f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 2888f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 2898f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 290c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy // Restore state possibly changed by the functors in process mode 291c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy GLboolean value; 292c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy glGetBooleanv(GL_BLEND, &value); 293c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy mCaches.blend = value; 294c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 295c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy mCaches.activeTexture(0); 296c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 2978f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 2988f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 2998f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3008f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 301daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 302f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 303f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 304f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 305d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 30680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 30780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 30880911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 309d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 310d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 311d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 312d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 313d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 314d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 315d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 316d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 31708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 31808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 31908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 32008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 32108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 32208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 3237b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 3247b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 32508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 32680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 3278f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy status_t result = (*functor)(DrawGlInfo::kModeDraw, &info); 328cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 3298f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 33008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 331cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 3328f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 33365924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 334ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 3358f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 336cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 337cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 338daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 3396554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 340daf98e941e140e8739458126640183b9f296a2abChet Haase} 341daf98e941e140e8739458126640183b9f296a2abChet Haase 342f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 343f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 344f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 345f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 346bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 3477ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 348bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 349bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 350bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 3518aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 352bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 353bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 354bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 3552542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 3562542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3577ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 358bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 359bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 360bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 3618fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 362bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3638fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 3642542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3657ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 366bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 367bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3688aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 3698aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 3708fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 371bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 372bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 373bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 3747ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 375bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 376eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 377bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 378bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 3797ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 380bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 381eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 382eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 383eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 384eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 385eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 386eb99356a0548684a501766e6a524529ab93304c8Romain Guy 3878b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 3888b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 3898b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 3902542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 391746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 3928fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 3932542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 3945ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 3955ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 3965ec9924d24495822b589f1a17996655d66273b30Romain Guy } 3975ec9924d24495822b589f1a17996655d66273b30Romain Guy 3982542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 399d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 4005cbbce535744b89df5ecea95de21ee3733298260Romain Guy 401f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 402bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 403bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 404bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 405bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 4065c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 407eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 408eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 409d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 410af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 411e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 412e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 413e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 414e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 415e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 416e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 417e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 418e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 419e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 420e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 421e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 422e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 423e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 424a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 425a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 426e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 427d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 428d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 429dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 430dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 431d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 432d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 433bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 434bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 435bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 436bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 4375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 4388aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 4398b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 4408aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 4418aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 4428aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 4438b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 444d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 445bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 4471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 4481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 4491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 4501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 4511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 4521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 4531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 4551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 4561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 4571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 4581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 4591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 4601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 4611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 4636b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 4646b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 4656b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 4666b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 4671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 4691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 4701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 47187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 4721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 4731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 4741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 4761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 4771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 4781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 4791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 4801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 4821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 4831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 4841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 4851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 4861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 4871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 4891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 4901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 49187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 49287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 49387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 49487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 49587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 4961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 497d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 498eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 499eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 500eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 501fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 502dda570201ac851dd85af3861f7e575721d3345daRomain Guy 503eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 504eb99356a0548684a501766e6a524529ab93304c8Romain Guy 505f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 5068aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 5077b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 508eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 509ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 510eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 511ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 512ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 513ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 514ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 515ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 516ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 517ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 518ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 519ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 520ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 521ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 522ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 523ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 524eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 525bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 526746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 527746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 52832963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 529dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 530e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 531dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 532dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 533dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 534af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 535b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 536b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 537dda570201ac851dd85af3861f7e575721d3345daRomain Guy 538a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 5398550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 540f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 541f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 542bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 543bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 5458aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 5469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 5479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 5489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 549a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 550dda570201ac851dd85af3861f7e575721d3345daRomain Guy 5518fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 5528fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 553dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 5541d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 555eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 557eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 558eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 5599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 560514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 5619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 5639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.left, snapshot->height - bounds.bottom, 5649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 5659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 566514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 567514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 568514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 569514fb18827186591d66973c2362c859b64b63556Romain Guy } 5707b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 57154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 57254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 573ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 574eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 575f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 576d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 577bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 578bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 5805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 5819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 5825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 5845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 5855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 5865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 5895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 5905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 5915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 5935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 5955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 5965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 6005ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 6039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy snapshot->fbo = layer->getFbo(); 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 6075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 6095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 6129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 6139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 6145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 6169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 6179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 6189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 6229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 6235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 6265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 6273762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Framebuffer incomplete (GL error code 0x%x)", status); 6285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 6309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 6325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 6345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 6408f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 6415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 6425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 6455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 6475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 6515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 6551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 6561d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 6571d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 6583762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 6591d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 6601d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6611d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 663eb99356a0548684a501766e6a524529ab93304c8Romain Guy 664eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 665e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 666e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 667e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy 668eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 669eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 670eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 671eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 6731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 6741d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 676f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 6779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 6785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 6799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 680f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 681f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 68203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 6838b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 684a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 6855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 6875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 688eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 6909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 6919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 692171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 6949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 695171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 696171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 6989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 6999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 700eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 7011d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 702eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7039c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 7049c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 7059c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 7069c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 7079c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 708eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 709eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 7105c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 711eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 712eb99356a0548684a501766e6a524529ab93304c8Romain Guy 713746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 714746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 715eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 7168550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 7171d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 7189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 7191d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 7201d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 7211d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 7221d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 723aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 7249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 725aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 726302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 727302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 728302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 729302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 730302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 731302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 732aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 7339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7348f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 7358f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7368f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 7378f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 7388f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 739aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 740aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 7419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 742aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 743aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 744aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 7459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7478f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 7498f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 750ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 751ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 752ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 7539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 756d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 759d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 7619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 763aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 764aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 765aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 766aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 767aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 768302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 769302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 770302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 771302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 772aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 773aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 7745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 7759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 776aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 777aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 778aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 7795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 7819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 782b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 783ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 784b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 785b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 786b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 7879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 7889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 7899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 793d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 7949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 795d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 7969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 7989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 7999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 8009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 8019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 8029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 8035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 804aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 805aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 806aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 807aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 808aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 809aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 8105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 8135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 8145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 8159fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 8169fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 81740667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 8189fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 8195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 8215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8238a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 8248a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 825211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 8265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 8275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 8285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 8309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 8319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 832f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 8335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 8355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 8365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8377230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 8387230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 8397230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 840ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 8419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 8427230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 8437230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 8447230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 845ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 8469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 8479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 8489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 851d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 8529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 8539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 854d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 8559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 8569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 85715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 8585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 8605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 8615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 863f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 8645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 865f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 8665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 8685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 8695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 8705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 8715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 8795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 8835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8867230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 8875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8893a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 8905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 8955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 8965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8993a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 9003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 9023a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 9033a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9043a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 9053a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 9063a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 9073a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 9083a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9093a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 9103a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 9113a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9123a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 9133a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 9143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 9153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 9163a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 9193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 9203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 9213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 9233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 9243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 9275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 928f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 9305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 931f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 9385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 939f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 941f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9421bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 9431bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 9441bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 9451bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 9461bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 9471bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 9481bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 9491bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 9501bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 9511bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 9521bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 9535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 95854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 95954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 96054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 96154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 96254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 96354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 96454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 96554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 96654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 96754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 96854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 96954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 97054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDisable(GL_SCISSOR_TEST); 97154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 97354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 97454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 97654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 97754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 97954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 98054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 98154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 98254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 98354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 98454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 98654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 98754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 98954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 99054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 99154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 99254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 99354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 99439d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 99554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 99754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glEnable(GL_SCISSOR_TEST); 99954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 100054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 100154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 100254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 100354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 100454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 100654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 100754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1008bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1009f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1010f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1011f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1012f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 10138aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1014f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1015f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1016f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 10178aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1018f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1019f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1020f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 10218aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1022f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1023f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1024807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1025807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1026807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1027807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1028f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1029e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1030e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1031e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1032e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1033e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1034f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1035f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1036f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 10378aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1038f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1039f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1040f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1041e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1042e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1043e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1044e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1045f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1046f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1047f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1048f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1049f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1050f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1051bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1052e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1053e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 10548f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 10558f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 10568f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy clip.getWidth(), clip.getHeight()); 10578f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 1058746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 10599d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 10609d5316e3f56d138504565ff311145ac01621dff4Romain Guy 10619d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1062079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1063bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1064bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1065c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1066af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1067dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1068dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1069dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 10701d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 10718aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1072d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1073d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1074d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1075d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1076d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1077d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 1078c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1079c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1080079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1081079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 10827ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1083746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 10847ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 10858aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1086e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1087e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1088a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1089a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1090a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1091a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1092f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 109370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 109470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 109570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 109654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 109754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 109870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 109970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 110070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 110170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 110270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 110370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 110470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 110570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 110670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 110770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 110870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 110970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 111070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 111170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 111270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 111370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1114aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1115aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1116aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1117aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 111815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 111915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 112015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 112115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 11225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 112399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 11245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1126ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1127ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1128ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1129ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1130ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 113170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 11328d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 11338d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11348d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 11358d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 11368d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1137db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase mColorA *= mSnapshot->alpha; 11386cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 11396cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 114070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1141fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1142fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1143fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 114470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 114570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 114670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 114770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 114886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 114986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 11506cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 11516cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 115286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 115386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 115486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 115586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 115686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 115786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 115886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 115986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 116070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 116170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 116270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 116370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 116470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 116570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 116670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 116770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 116870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 116986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 117086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 117186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 117286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 117386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 117486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 117586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 117686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 117786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 117870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 117970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 118070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 118170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 118270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 118370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 118470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 118570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 118670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 118770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 118870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 118970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1190f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1191f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1192f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1193f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 119454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1195f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1196f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1197f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 119870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1199f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1200f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1201f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 120270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 120370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 120670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1207f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1208f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1209f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 121070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 121170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 121270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 121470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 121570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 121670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 121870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 121970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 122070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 122270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 122370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 122470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 122570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 122670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 122770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 122870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 122970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 123070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 123170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 123270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12348a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 12358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 12368d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12378d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 123870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 123970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 124070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 124170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 124270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 124370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 124470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 124570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 124686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 124786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 124886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 124986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 125086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 125186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 125286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 125386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 125486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 125586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 125670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 125770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1258ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1259ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1260ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1261ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1262ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 126370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 126455fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 126570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 126670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 126770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 126870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 126986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 12705536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 127186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 12725536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 12735536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 12745536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 127570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 127670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 127770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 127870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 127970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 128070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 128170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 128270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 128370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12848d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 12858d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 12868d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 12878d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 12888d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12898d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 129070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 129170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 129270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 129370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 129470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 129570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 129670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1297f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1298f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 129915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 130070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 130170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 130270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 130370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 13042d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 130515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 130670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 130770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1308aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1309aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 13102d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 131115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1312aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1313aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 13148f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 13158f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 13168f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 13178f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 13188f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1319aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1320aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1321aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1322aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 132370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1324f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 132570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1326f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 132770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1328f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 132970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1330d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1331f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 133215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 133315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 133415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 133515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 133615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 133715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 133815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 133915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 134015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 134115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 134215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 134315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 13448d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 134570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 134670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1348f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1349f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1350f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 135115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 13525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 13545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 13555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 135699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 135799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 135899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 135999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 136099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 136199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 136299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 136399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 13645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 136599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 13667b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1367f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1368f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1369f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1370f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 137115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1372d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13737b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 137499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 137599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1376d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13777b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 137899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 137999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1380d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 138299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 1383d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 138499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 13855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 13867b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glUniform1f(inverseBoundaryWidthSlot, 1.0f / boundaryWidthProportion); 13877b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 13887b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 13897b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 13907b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 13917b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 13925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 139470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 139570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 139670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 139770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1398f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1399f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1400f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14011271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 140233f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1403b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 14040fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 14050fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 140604c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 14071271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 14080fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 14097b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 14106554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 14110fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 14120fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1413ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1414ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1415ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1416ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1417ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1418ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1419a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1420a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1421a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1422a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1423a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1424a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1425a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1426a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1427e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1428a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1429a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1430a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1431a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1432a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1433e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1434d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1435d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1436a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1437a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1438a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1439a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 14405b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 14415b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 14425b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1443a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1444a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1445a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1446a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1447a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1448e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1449a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1450d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1451d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1452e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1453a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1454a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1455a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1456a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1457a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1458a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1459a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1460a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1461a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1462a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 14635c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 14646926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 14656926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 14666926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 14676926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 14686926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14696926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14706926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1471a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14728164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14739cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 147422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 147522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1476211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1477a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1478a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1479a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1480a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 14818ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 14828ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 14835c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1484f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1485f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1486f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1487f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 14886926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 14896926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14906926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14916926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1492a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14938164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14949cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 149522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 149622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 14975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 14985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 14995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 15005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 15015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 15025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1503f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1504f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1505e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guyvoid OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1506e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1507e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1508e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1509e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1510e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy return; 1511e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1512e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1513e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1514e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1515e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1516e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1517e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1518e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1519e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 15205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 15215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 15225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 15235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 15245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 15255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1527a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 15305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1531e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1532d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1533d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 15345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 15365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 15375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 15385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 15405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1541b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1542b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1543b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1544b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1545b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1546b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1547211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1548b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1549211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 1550b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1551b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1552a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1553a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 15545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 15555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 15565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 15575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 15585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 15605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 15615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 15625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 15635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 15655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 15665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 15675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 15685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 15695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 15705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 15715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 15725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15735a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15745a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 15755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 15765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15775a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 15795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1580b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1581b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1582b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1583b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1584b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1585b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1586b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1587b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1588b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1589b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 15905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15915a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15925a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1593b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1594b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1595b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1596b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1597b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1598b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 15995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 16005a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1601b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 16025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 16035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16048ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 16058ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 16068ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 16075c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 16086926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 16096926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 16106926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16116926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1612a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16138164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 16149cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 161522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 16168ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16178ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 16188ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1619c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 16206816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 16216816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 16226816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 16236816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1624c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 162503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 16268ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 16278ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 162803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 162903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 163003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 163103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1632d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1633d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1634211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 16356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 16366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 16376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1638b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1639631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1640631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1641d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1642b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1643b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1644d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 16456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 16466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 16476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 16496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1650d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 16516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 16526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 16546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1657ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1658ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 16594aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 16604bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 16615c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 16626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 16636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 16646926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16656926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1666a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16678164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 16689cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 166922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1670d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1671d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1672f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1673f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1674f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1675f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1676f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 16772728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 16784bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1679f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1680211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 16816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1682a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 16835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 16848168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1685c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1686c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 16875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 16885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 16898ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1690211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1691c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1692c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1693c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 16946620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1695c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1696c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 16976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 16995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1700a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 17015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1702211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 17036620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 17046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 17056620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 17066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 17076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 17096620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17106620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 17116620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 17126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 17146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1716054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1717f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1718f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 171999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1720858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1721858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1722858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1723858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1724858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1725858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1726181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1727858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1728858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 1729858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1730211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 1731858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1732858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1733858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1734858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1735858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1736858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1737858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1738858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1739858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1740858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1741858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1742858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1743858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1744858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDraw(); 174515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 1746858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine(); 1747858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColor(color); 1748858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilter(); 1749858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShader(); 1750858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawBlending(true, mode); 1751858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawProgram(); 1752858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawModelViewIdentity(true); 1753858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorUniforms(); 1754858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilterUniforms(); 1755858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShaderIdentityUniforms(); 1756858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1757858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex rects[4]; 1758858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex* aaVertices = &rects[0]; 1759858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 1760858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 1761858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1762858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1763858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1764858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1765858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1766858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1767858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1768858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1769858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1770858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1771858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float width = right - left; 1772858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float height = bottom - top; 1773858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 17747b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 17757b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 17767b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1777858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 1778858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 17797b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 17807b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 17817b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1782858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 1783858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 1784858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 17857b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glUniform1f(inverseBoundaryLengthSlot, (1.0f / boundaryHeightProportion)); 1786858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1787858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!quickReject(left, top, right, bottom)) { 1788858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1789858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1790858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1791858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1792858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1793858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 1794858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 17957b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 17967b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 1797858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1798858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1799858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 180099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 180199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 180299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 180399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 180499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 180599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 180699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 180799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 180899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 180999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 181099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 181199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 181299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 181399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 181499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 181599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 181699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 18178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 18188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (mSnapshot->isIgnored()) return; 18198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18208a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 182199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 182299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 182399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 18248a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 18258a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 18268a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 18277b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 182899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 182999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 183099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 18317b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 18338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 18347b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 18365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 18375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1838c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 183999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 184099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 184199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 184299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 184399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 184499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 184599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 1846211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 184799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 184899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 184999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 185099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 185199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 185299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 185399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 18547b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1855211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 1856211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 18577b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 185899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 185999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 18607b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 186199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 186299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 186399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 186499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 18655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18668a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 18688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 186915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 18708a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 18718a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 18728a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 18738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 18748a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 18758a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 1876211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 18778a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 18788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 18798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 18808a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 18818a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 18828a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18838a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 18848a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 188599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 188699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 18875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 188899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 18895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18907b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18917b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 18927b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 18937b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 18955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 18967b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 189799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 189899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 18997b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1900211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 19015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 19025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 190399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 190499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 190599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 19065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 19075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 190899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 190999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 191099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 19117b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 19127b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 19135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 191599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 191699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1917740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 191899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 191999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 192099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 192199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 19227b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 19245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 19255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 19265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 19277b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 192899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 192999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 193099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 19315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 193399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 19348a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 19378a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 19388a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 19398a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 19408a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 19418a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19428a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 19435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19447b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 194599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 194699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 194799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 194899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 194999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 195099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 195199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 195299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 195399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 195499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 19557b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 195699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 195799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 195899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 195999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 19605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 19635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 19645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 19655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 196699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 196799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 196899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 196999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 197099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 19717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 197299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 197399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 197499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 197599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 197699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 197799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 197899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 197999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 19807b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 198199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 198299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 198399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 198499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 198599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 19865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 19875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 19885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 19895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 19905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 19915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 199299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 19935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 19945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 19955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 19965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 19975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 19995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 20005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 20015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 20055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 20065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20097b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 20125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 20135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 20147b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 20165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 201899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 201999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 202099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 202199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 202299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 202399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 202499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 202599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 202699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20277b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 202899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 202999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 203099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20317b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 203299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 203399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 203499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 203599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 203699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 20377b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 203899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 203999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 204099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 20425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 204699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 204799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 204899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 20495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20517b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 205299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 205399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 205499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 205599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 20567b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 20585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20607b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 206199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 206299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 206399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 20645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20667b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 20685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 20695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20707b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 20727b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 20737b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 20745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 20755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2076ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2077ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 2078ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2079ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2080ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2081ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 20825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2083ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 20848a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2085ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 20868a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 20878a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 20888a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 20898a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 20908a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2091ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2092ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2093ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2094ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2095ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2096ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2097ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2098ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2099ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2100ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2101ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 210215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 21038a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2104ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2105ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2106ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2107ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2108ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 21098a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2110ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2111ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2112ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2113ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2114ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2115ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2116ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2117ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2118ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 21197b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21208a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 21218a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 21228a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 21238a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 21247b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21258a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2126ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2127ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2128ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2129ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2130ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 213185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2132e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2133af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2134e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2135ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2136ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 213770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 21383d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2139c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 21409d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2141c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 214201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 214301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 214401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 214501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 214601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 214701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 214801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 214901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 215001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2151c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2152c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 215301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 215401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2155a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2156c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2157c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2158c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2159c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 216001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2161c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2162c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2163c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2164a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 216501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2166c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 2167c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 216801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2169c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 2170c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 217101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2172a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2173c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2174c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2175c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2176c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 21778b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 21788b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 21798b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 21808b2f5267f16c295f12faab810527cd6311997e34Romain Guy 21818b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 21828b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 21838b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 21848b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 21858b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2186a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 21878b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 21888b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 21898b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 21908b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 21918b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2192c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2193c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2194c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2195c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2196a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2197c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2198c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 219901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 220001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 22015c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2202c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2203c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 2204c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 2205c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2206c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 22076926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 22086926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 22096926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22106926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2211026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2212746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2213a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2214a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2215a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2216a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2217a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2218a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2219a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2220026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2221026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2222026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2223181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2224858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2225858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2226858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2227858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2228c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 22299d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2230eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guyvoid OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2231eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2232671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2233671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2234eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy return; 2235eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2236eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2237671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2238671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2239671d6cf460531825a321edb200523d0faa7792c9Romain Guy return; 2240671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2241671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2242671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2243671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2244671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2245671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2246671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2247671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2248671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2249671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2250671d6cf460531825a321edb200523d0faa7792c9Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2251671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2252671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2253671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2254671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2255671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2256671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2257671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2258671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2259671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2260671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2261671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2262671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2263671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2264671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2265671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 2266671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2267671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2268671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2269671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2270671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2271671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2272671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2273671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2274671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2275671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2276671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2277671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 2278671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2279671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2280671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2281671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2282671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2283211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2284671d6cf460531825a321edb200523d0faa7792c9Romain Guy#else 2285211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 2286671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2287671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2288671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2289671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2290671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2291671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2292671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2293671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2294671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2295671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2296671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2297671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2298671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2299eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2300eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2301e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2302cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy float x, float y, SkPaint* paint, float length) { 2303671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2304671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2305e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 2306e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2307e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2308a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2309e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2310e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2311e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2312e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2313e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2314e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2315e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2316e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2317e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2318e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2319e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2320cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2321cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 232233f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2323cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy return; 2324cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2325cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 23263a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 23273a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 23286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2329211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 23306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 23316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 23326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23336620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2334ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 23355baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("OpenGLRenderer drawText() with FontID=%d", SkTypeface::UniqueID(paint->getTypeface())); 2336ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2337eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2338eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2339b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2340fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2341e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 234286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 234386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 234486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 23459d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2346211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 23472d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mCaches.activeTexture(0); 23482d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy 2349b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 235067ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get( 235167ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint, text, bytesCount, count, mShadowRadius); 23521e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 23530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2354740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 2355740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 235686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 235786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 2358740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 2359740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 2360740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 2361740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 236286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 236386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 236486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 2365740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2366740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 2367740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 236886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 236986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2370740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 237186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 237286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 2373740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 2374740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 237586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 23760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 23781e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 23791e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 23816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 23826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 23836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 23846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2386a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 238786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 238886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 238986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 239086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 239186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 239286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 239386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 239486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 239586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 239686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 239786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 239886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 239986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 240006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 24016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 24025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 24035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 24045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2405211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 24065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 2407211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 24085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 2409894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 24106620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 2411f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 24125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2413f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 24146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 24156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 24166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2417f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 24185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 24195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 24205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2421694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 24223a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2423694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2424694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2425325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guyvoid OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2426325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 242703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 242803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 242903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy return; 243003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 243103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 243203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 243303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 243403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 243503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 243603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 243703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 243803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 243903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 244003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 244103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 244203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 244303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 244403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 244503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 244603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 244703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 244803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 24499777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 245003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 245103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 245203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 24539777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 24549777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 24559777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 24569777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 245703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 24589777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 24599777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 24609777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#else 24619777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = false; 24629777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 24639777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 24649777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 24659777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 24669777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 24679777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 24689777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 24699777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 24709777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 24719777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 24729777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2473325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2474325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 24757fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2476af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2477dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2478a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 24797fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 248033f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2481fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 24829cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 248322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 24847fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 24858b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 24868b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 24878b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 248801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 24897fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 24907fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2491ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2492ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 24936c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 24946c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 24956c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 24962bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 24972bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy OpenGLRenderer* renderer = layer->renderer; 24982bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy Rect& dirty = layer->dirtyRect; 24992bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 25002bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy interrupt(); 25012bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 25022bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 25031271e2cc80b01d577e9db339459ef0222bb9320dChet Haase renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 25042bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->finish(); 25052bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy resume(); 25062bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 25072bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy dirty.setEmpty(); 25082bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->deferredUpdateScheduled = false; 25092bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->renderer = NULL; 25102bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->displayList = NULL; 25112bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 25122bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 2513a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25146c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25156c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 25166c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 25176c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 25186c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 25206c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2521f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2522211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2523c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 252440667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2525c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 25268168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2527c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2528c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2529c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2530c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 25318168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2532c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 25339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2534c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2535c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2536c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 25379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2538211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 25399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 25409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 25419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2542d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 25439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 25449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), true); 25459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2546d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 25479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 25489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 25499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2550c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2551c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2552c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2553c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2554c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2555c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 25563a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 25573a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 25583a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 25593a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2560c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2561f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2562f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2563ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2564ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2565f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 25666c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 25676c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25686926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2569d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2570d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2571d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2572d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 257306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 257406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 257506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 257606f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 257706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 257806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2579fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 258006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 25817fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 25827fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2583d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2584db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2585db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2586db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2587db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2588db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2589db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2590db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2591db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2592db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2593db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2594db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2595db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 25961e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 25971e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 25981e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 25991e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 26001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 26011e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 26021e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 26041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 26051e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 26061e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 26071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 26081e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 26091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 26101e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 26125ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 26135ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 26145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 26165ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 26175ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26185ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26195ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 26205ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 26215ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 26225ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 26235ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26245ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26255ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2626dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 26275ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26285ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 26295ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26305ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 26315ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 26325ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26335ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 26345ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26355ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26365ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 26376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 26386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 26396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 264001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 264101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 264201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 264301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 264401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 264501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 264601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 264701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 264801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 264901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 265001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 265101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 265201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 265301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 265401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 265501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 265601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 265701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 265801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 265901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 266001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 266101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 266201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 266301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 266401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 266501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 266601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 266701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 266801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2669f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 26700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 26710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 26720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 26730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 26740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 26750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 26760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 26770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 26780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2679726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 26800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 26810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 26820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2683726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 26840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 26850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 26860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 2687726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy switch (paintCopy.getTextAlign()) { 26880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 26890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 26900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 26910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 26920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 26930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 26940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 26950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 26960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 26970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2698211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2699726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2700f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 27010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2702e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 27030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2704e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2705f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2706f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2707f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2708f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2709f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2710e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2711e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 27120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 27140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2715e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2716e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2717e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2718e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 27190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 27220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2723e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2724e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2725e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2726e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 27270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2728e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2729726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2730e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2731726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 27320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 27350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2736026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 27371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2738d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 273906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2740d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2741d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2742d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 274370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 274415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 274570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 274670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 274770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 274870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 274970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 275070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 275170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 275270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 275370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 275470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2755c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2756c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2757c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2758c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 275982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 27608164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 276182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 276282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 276382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 276482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2765d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 27668164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2767211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 27686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 27696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 27706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2771d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 27726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 27736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 27746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 27756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2776d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 27776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 27786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 27796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 27806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 278185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 278285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2783bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2784a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2785a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 278603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2787f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2788f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2789f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2790a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 27916820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 27925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 27938694230ff25fa0a60e480d424843e56b718f0516Romain Guy 279470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 279570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 279670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 279770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 279870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 279970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 280070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 280170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2802db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 28035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 280470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 280503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 280670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2807db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 280886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 280970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 281070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 281170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2812db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 28136820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 281470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 281570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 281682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 281782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2818a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2819f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 282082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 2821c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 282282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 282382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 282482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 282582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 282682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 282782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 2828211370fd943cf26905001b38b8b1791851b26adcRomain Guy if CC_UNLIKELY((mode > SkXfermode::kScreen_Mode)) { 2829211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 2830a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2831f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2832a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 283382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 283482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 283582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 283682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 283782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 283882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 283982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 284082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 2841a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 284282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 284382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 284482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 284582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 284682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 284782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 284882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 284982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 285082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 285182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 285282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 285382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 285482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 285582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2856fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 285782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 285882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2859fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2860bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2861bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2862889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2863d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2864fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2865d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2866fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 28676926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2868260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 28696926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2870260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2871260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2872026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2873ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 287482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 287582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 287682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 287782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 28788ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 28798ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 28805c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 28818ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 28822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy *mode = getXfermode(paint->getXfermode()); 28838ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 28848ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 28858ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 28868ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 28878ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 28888ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 28898ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 28908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 28918ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 28928ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 28938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 28948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2895db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 2896026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2897026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2898a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2899d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger SkXfermode::Mode resultMode; 2900d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger if (!SkXfermode::AsMode(mode, &resultMode)) { 2901d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger resultMode = SkXfermode::kSrcOver_Mode; 2902a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2903d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger return resultMode; 2904a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2905a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 29069d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2907e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2908