OpenGLRenderer.cpp revision 4ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1
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 48f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 49dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 50d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy#define FILTER(paint) (paint && paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 51d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 529d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy 56889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 65026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 66026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 682ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 692ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 83026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 84e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 88f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 104f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 105f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 106f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 110fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 112db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 1145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 115026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 116ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 118ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 119e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 120e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12229d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12329d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 124e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 126f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 12713631f3da855f200a151e7837ed9f6b079622b58Romain Guy// Debug 12813631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 12913631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13013631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 13113631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.startMark(0, name); 13213631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13313631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13413631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::endMark() const { 13513631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.endMark(); 13613631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13713631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13813631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 139f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 140f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 141f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 142530041d3191ce817832a0108514617768e43cda6Romain Guyuint32_t OpenGLRenderer::getStencilSize() { 143530041d3191ce817832a0108514617768e43cda6Romain Guy return STENCIL_BUFFER_SIZE; 144530041d3191ce817832a0108514617768e43cda6Romain Guy} 145530041d3191ce817832a0108514617768e43cda6Romain Guy 14649c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 14749c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 14849c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 14949c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 15085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 151260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 152bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 153bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 154bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 155eb99356a0548684a501766e6a524529ab93304c8Romain Guy 156eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 157eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 158746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1593e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glDisable(GL_DITHER); 1603e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 16115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1623e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glEnableVertexAttribArray(Program::kBindingPosition); 163e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 164e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 16544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepare(bool opaque) { 16644b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1677d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1687d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 16944b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 170fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 171fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1728aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1738aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17484962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1758fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 176f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1777d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 178ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mDirtyClip = opaque; 179ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 180ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 1817d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1826b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 183586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 184ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 1856b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 18644b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 187ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 188ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.resetScissor(); 189ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 19044b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 19144b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 192ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 193ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 194ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 195ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 196ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 197ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 198ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 199ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 200ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2016b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 202bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 203bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 204b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 205b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 206b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 207b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 2085baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error from OpenGLRenderer: 0x%x", status); 209a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 210a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_ENUM: 211a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_ENUM"); 212a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 213a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_VALUE: 214a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_VALUE"); 215a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 216a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_OPERATION: 217a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_OPERATION"); 218a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 219a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 220a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" Out of memory!"); 221a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 222a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 223b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 224b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 225c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 226c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 227e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 228e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 229e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 230e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 231c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 232b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 233b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2346c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 235da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 236da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 237da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 238da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 239da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 240da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 24150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 24215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 243f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 24415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 245da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 246da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2476c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 24808837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 24908837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase 25008837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 2513e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2523e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 253586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 25482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 255746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 256da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 257a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25808837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 25950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 26050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 26150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 26250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 26350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 264da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 265da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 266ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 267932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 268ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2698f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 270ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 271ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 272ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2738f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 274ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 275ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 2763d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 2778f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 278ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 279ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 280ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 281ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 282ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 283ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 284ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 285ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 286ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 287ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 288ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 289ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 290ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 291ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 292ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 293ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 294ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 295ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 296c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 297ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 298ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 299c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 300ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 301c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 302c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 3038f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3048f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3058f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3068f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 307c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy mCaches.activeTexture(0); 308c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 3098f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 3108f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 3118f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3128f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 313daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 314932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 315c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 3168a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mCaches.enableScissor(); 317f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 318f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 319f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 320d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 32180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 32280911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 32380911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 324d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 325d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 326d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 327d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 328d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 329d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 33008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 33108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 33208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 33308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 33408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 33508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 3367b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 3377b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 33808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 33980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 340486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 341cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 3428f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 34308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 344cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 3458f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 34665924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 347ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 3488f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 349cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 350cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 351daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 3526554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 353daf98e941e140e8739458126640183b9f296a2abChet Haase} 354daf98e941e140e8739458126640183b9f296a2abChet Haase 355f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 356f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 357f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 358f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 359bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 3607ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 361bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 362bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 363bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 3648aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 365bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 366bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 367bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 3682542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 3692542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3707ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 371bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 372bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 373bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 3748fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 375bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3768fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 3772542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3787ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 379bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 380bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3818aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 3828aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 3838fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 384bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 385bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 386bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 3877ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 388bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 389eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 390bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 391bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 3927ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 393bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 394eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 395eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 396eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 397eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 398eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 399eb99356a0548684a501766e6a524529ab93304c8Romain Guy 4008b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 4018b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 4028b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 4032542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 404746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 4058fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 4062542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 4075ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 4085ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 4095ec9924d24495822b589f1a17996655d66273b30Romain Guy } 4105ec9924d24495822b589f1a17996655d66273b30Romain Guy 4112542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 412d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 4135cbbce535744b89df5ecea95de21ee3733298260Romain Guy 414f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 415bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 416bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 417bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 418bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 4195c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 420eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 421eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 422d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 423af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 424e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 425e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 426e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 427e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 428e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 429e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 430e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 431e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 432e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 433e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 434e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 435e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 436e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 437a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 438a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 439e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 440d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 441d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 442dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 443dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 444d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 445d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 446bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 447bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 448bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 449bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 450f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy if (alpha >= 255) { 4518aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 4528b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 4538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 4548aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 4558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 4568b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 457d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 458bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 4601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 4611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 4621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 4631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 4641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 4651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 4661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 4681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 4691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 4701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 4711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 4721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 4731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 4741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 4766b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 4776b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 4786b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 4796b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 4801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 4821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 4831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 48487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 4851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 4861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 4871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 4891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 4901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 4911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 4921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 4931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 4951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 4961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 4971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 4981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 4991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 5001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 5021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 5031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 50487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 50587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 50687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 50787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 50887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 5091c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 510d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 511eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 512eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 513eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 514fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 515dda570201ac851dd85af3861f7e575721d3345daRomain Guy 516eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 517eb99356a0548684a501766e6a524529ab93304c8Romain Guy 518f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 5198aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 5207b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 521eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 522ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 523eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 524ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 525ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 526ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 527ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 528ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 529ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 530ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 531ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 532ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 533ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 534ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 535ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 536ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 537eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 538bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 539746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 540746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 54132963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 542dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 543e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 544dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 545dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 546dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 547af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 548b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 549b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 550dda570201ac851dd85af3861f7e575721d3345daRomain Guy 551a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 5528550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 553f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 554f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 555bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 556bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 5588aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 5599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 5609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 5619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 562a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 563dda570201ac851dd85af3861f7e575721d3345daRomain Guy 5648fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 5658fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 566dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 5671d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 568eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 5695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 570eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 571eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 5729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 573514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 5749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 5769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.left, snapshot->height - bounds.bottom, 5779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 5789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 579514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 580514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 581514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 582514fb18827186591d66973c2362c859b64b63556Romain Guy } 5837b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 58454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 58554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 586ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 587eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 588f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 589d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 590bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 591bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 5935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 5949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 5955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 6035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 6075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 6095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 6115ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 6125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 6149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy snapshot->fbo = layer->getFbo(); 6155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 6185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 6239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 6249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 6255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 6279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 6289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 6299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 6305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 6339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 6345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 6375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 6383762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Framebuffer incomplete (GL error code 0x%x)", status); 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 6419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 6455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 6475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 651586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 6528f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 6545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 6555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 6575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 6595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 6605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 6615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 6635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 6671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 6681d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 6691d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 6703762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 6711d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 6721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 675eb99356a0548684a501766e6a524529ab93304c8Romain Guy 676eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 677e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 678e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 679e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy 680eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 681eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 682eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 683eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6841d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 6851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 6861d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 688f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 6899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 6905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 6919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 692f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 693f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 69403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 6958b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 696a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 6975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 6995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 700eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 7029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 7039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 704171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 7069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 707171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 708171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 7109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 7119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 712eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 7131d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 714eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7159c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 7169c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 7179c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 7189c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 7199c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 720eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 721eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 7225c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 723eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 724eb99356a0548684a501766e6a524529ab93304c8Romain Guy 725746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 726746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 727eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 7288550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 7291d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 7309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 7311d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 7321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 7331d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 7341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 735aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 7369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 737aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 738302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 739302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 740302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 741302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 742302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 743302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 744aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 7459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7468f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 7478f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7488f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 7498f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 7508f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 751aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 752aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 7539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 754aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 755aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 756aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 7579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7598f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 7618f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 762ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 763ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 764ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 7659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 768d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 771d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 7739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 775aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 776aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 777aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 778aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 779aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 780302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 781302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 782302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 783302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 784aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 785aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 7865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 7879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 788aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 789aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 790aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 7915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 7939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 794b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 795ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 796b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 797b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 798b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 7999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 8009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 8019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 805d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 8069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 807d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 8089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 8109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 8119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 8129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 8139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 8149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 8155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 816aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 817aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 818aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 819aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 820aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 821aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 8225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 8255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 8269fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 8279fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 82840667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 8299fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 8305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 8325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8348a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 8358a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 836211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 8375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 8385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 8395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 8419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 8429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 843f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 8465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 8475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8487230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 8497230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 8507230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 851ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 8529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 8537230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 8547230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 8557230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 856ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 8579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 8589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 8599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 862d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 8639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 8649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 865d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 8669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 8679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 86815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 8695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 8715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 874f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 876f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 8775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 8795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 8805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 8815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 8835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 8855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 8875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 8895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 8905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 8945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8977230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 8985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 9015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 9045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9073a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 9083a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9093a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 9103a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 9113a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9123a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 9133a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 9143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 9153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 9163a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 9183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 9193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 9213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 9223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 9233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 9243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 9273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 9283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 9293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 9313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 9323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 935f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 9375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 938f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 944f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 946f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9471bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 9481bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 9491bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 9501bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 9511bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 9521bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 9531bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 9541bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 9551bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 9565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 96054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 96154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 96254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 96354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 96454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 96554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 96654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 96754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 96854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 96954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 97054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 97154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 9728a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 97354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 97554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 97654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 97854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 97954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 98154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 98254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 98354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 98454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 98554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 98654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 98854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 98954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 99154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 99254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 99354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 99454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 99554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 99639d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 99754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 9998a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10008a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 100154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 100254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 100354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 100454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 100554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 100654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 100854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 100954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1010bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1011f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1012f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1013f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1014f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 10158aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1016f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1017f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1018f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 10198aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1020f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1021f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1022f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 10238aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1024f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1025f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1026807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1027807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1028807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1029807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1030f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1031e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1032e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1033e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1034e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1035e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1036f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1037f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1038f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 10398aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1040f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1041f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1042f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1043e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1044e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1045e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1046e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1047f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1048f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1049f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1050f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1051f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1052f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1053bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1054e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1055e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 10568f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 10578a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 10588a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 10598a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 10608a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 10619d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 10629d5316e3f56d138504565ff311145ac01621dff4Romain Guy 10639d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1064079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1065bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1066bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 10678a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 10688a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 10698a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 10708a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 10718a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10728a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 10738a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mSnapshot->transform->mapRect(r); 10748a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 10758a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10768a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 10778a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 10788a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10798a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 10808a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 10818a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 1082c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1083af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1084dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1085dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1086dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 10871d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 10888aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1089d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1090d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1091d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1092d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1093d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1094586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1095586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 1096586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.setScissorEnabled(!clipRect.contains(r)); 1097586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1098586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1099586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1100c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1101c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1102079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1103079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 11047ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1105746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 11067ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 11078aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1108e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1109e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1110a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1111a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1112a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1113a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1114f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 111570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 111670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 111770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 111854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 11198a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 11208a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 112154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 112270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 112370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 112470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 112570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 112670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 112770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 112870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 112970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 113070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 113170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 113270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 113370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 113470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 113570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 113670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 113770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1138aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1139aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1140aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1141aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 114215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 114315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 114415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 114515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 11465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 114799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 11485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1150ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1151ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1152ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1153ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1154ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 115570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 11568d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 11578d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11588d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 11598d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 11608d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 11616cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 11626cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 116370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1164fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1165fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1166fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 116770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 116870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 116970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 117070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 117186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 117286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 11736cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 11746cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 117586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 117686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 117786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 117886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 117986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 118086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 118186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 118286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 11834121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 11844121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 11854121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 11864121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 118770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 118870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 118970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 119070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 119170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 119270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 119370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 119470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 119670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 119770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 119870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 119970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 120070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 120270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 120370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 120570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 120670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1208f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1209f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1210f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1211f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 121254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1213f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1214f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1215f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 121670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1217f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1218f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1219f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 122070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 122170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 122270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 122470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1225f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1226f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1227f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 122870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 122970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 123070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 123370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 123470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 123770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 123870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 124070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 124170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 124270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 124370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 124470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 124570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 124670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 124770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 124870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 124970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 125070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 125170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12528a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 12538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 12548d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12558d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 125670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 125770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 125870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 125970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 126070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 126170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 126270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 126370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 126486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 126586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 126686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 126786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 126886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 126986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 127086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 127186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 127286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 127386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 127470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 127570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1276ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1277ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1278ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1279ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1280ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 128170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 128255fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 128370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 128470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 128570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 128670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 128786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 12885536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 128986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 12905536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 12915536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 12925536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 129370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 129470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 129570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 129670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 129770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 129870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 129970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 130070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 130170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13028d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 13038d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 13048d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 13058d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 13068d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 13078d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 130870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 130970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 131070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 131170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 131270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13144121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 13154121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 13164121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 13174121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 131870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1319f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1320f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 132115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 132270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 132370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 132470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 132570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 13262d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 132715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 132870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 132970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1330aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1331aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 13322d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 133315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1334aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1335aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 13368f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 13378f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 13388f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 13398f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 13408f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1341aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1342aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1343aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1344aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 134570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1346f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 134770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1348f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 134970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1350f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 135170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1352d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1353f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 135415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 135515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 135615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 135715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 135815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 135915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 136015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 136115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 136215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 136315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 136415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 136515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 13668d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 136770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 136870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1370f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1371f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1372f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 137315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 13745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 13765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 13775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 137899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 137999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 138099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 138199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 138299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 138399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 138499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 138599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 13865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 138799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 13887b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1389f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1390f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1391f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1392f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 139315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1394d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13957b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 139699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 139799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1398d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13997b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 140099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 140199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1402d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 14035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 140499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 1405d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 140699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 14075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 14087b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glUniform1f(inverseBoundaryWidthSlot, 1.0f / boundaryWidthProportion); 14097b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 14107b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 14117b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 14127b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 14137b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 14145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 14155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 141670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 141770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 141870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 141970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1420f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1421f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1422f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14231271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 142433f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1425b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 14260fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 14270fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 142804c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 14291271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 14300fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 14317b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 14326554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 14330fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 14340fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1435ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1436ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1437ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1438ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1439ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1440ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1441a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1442a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1443a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1444a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1445a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1446a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1447a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1448a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1449e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1450a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1451a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1452a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1453a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1454a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1455e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1456d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1457d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1458a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1459a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1460a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1461a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 14625b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 14635b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 14645b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1465a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1466a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1467a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1468a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1469a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1470e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1471a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1472d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1473d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1474e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1475a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1476a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1477a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1478a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1479a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1480a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1481a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1482a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1483a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1484a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1485486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 14866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 14876926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 14886926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 14896926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1490486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 14916926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14926926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1493a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14948164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1495486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 149622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 149722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1498211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1499a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1500a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1501a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1502a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1503486590963e2207d68eebd6944fec70d50d41116aChet Haase 1504486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 15058ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 15068ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1507486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1508f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1509f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1510f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1511f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 15126926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1513486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1516a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15178164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1518486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 151922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 152022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 15215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 15225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 15235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 15245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 15255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 15265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1527486590963e2207d68eebd6944fec70d50d41116aChet Haase 1528486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1529f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1530f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1531486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1532e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1533e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1534e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1535e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1536486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1537e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1538e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1539e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1540e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1541e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1542e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1543e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1544486590963e2207d68eebd6944fec70d50d41116aChet Haase 1545486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1546e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1547e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1548486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 15495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 15505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 15515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1552486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1555a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1557486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 15585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1559e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1560d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1561d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 15625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 15645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 15655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 15665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 15685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1569b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1570b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1571b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1572b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1573b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1574211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1575b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1576a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1577a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 15785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 15795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 15805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 15815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 15825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 15845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 15855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 15865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 15875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15885a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 15895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 15905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 15915a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 15925a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 15935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 15945a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 15955a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 15965a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 15995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 16005a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 16025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 16035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1604b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1605b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1606b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1607b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1608b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1609b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1610b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1611b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 16125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1615b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1616b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1617b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1618b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 16195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 16205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1621b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 1622486590963e2207d68eebd6944fec70d50d41116aChet Haase 1623486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 16245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 16255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1626486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 16278ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 16288ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 16295c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 16306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 1631486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16336926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1634a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16358164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1636486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 163722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 16388ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 16408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1641c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 16426816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 16436816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 16446816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 16456816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1646c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 164703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 16488ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 16498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 165003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 165103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 165203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 165303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1654d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1655d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1656211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 16576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 16586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 16596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1660b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1661631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1662631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1663d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1664b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1665b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1666d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 16676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 16686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 16696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 16716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1672d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 16736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 16746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 16766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16778ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16788ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1679486590963e2207d68eebd6944fec70d50d41116aChet Haase 1680486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1681ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1682ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1683486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 16844bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 16855c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 1686be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 1687be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 1688be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 1689be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1690be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 1691be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 1692be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 1693be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1694be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1695be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1696be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 16976926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1698486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16996926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 17006926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1701be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 1702be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1703a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 17048164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1705486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 170622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1707d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1708d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1709f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 17102728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 17114bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1712f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1713211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 17146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 17155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 17168168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1717c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1718c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 17195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 17205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 17218ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1722211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1723c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1724c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1725c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 17266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1727c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1728c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 17296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 17305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 17315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 17325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1733211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 17346620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 17356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 17366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 17376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 17386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 17406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 17426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 17436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 17456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1747054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1748486590963e2207d68eebd6944fec70d50d41116aChet Haase 1749486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1750f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1751f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 175299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1753858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1754858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1755858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1756858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1757858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1758858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1759181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1760858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1761858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 176204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 1763858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1764211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 1765858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1766858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1767858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1768858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1769858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1770858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1771858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1772858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1773858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1774858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1775858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1776858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1777858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1778858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1779858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1780858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1781858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1782858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1783858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1784858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1785858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1786858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 178704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickReject(left, top, right, bottom)) { 178804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDraw(); 178904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawNoTexture(); 179004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawAALine(); 179104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 179204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorFilter(); 179304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawShader(); 179404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawBlending(true, mode); 179504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawProgram(); 179604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawModelViewIdentity(true); 179704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorUniforms(); 179804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorFilterUniforms(); 179904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawShaderIdentityUniforms(); 1800858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 180104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy AAVertex rects[4]; 180204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy AAVertex* aaVertices = &rects[0]; 180304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 180404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 18057b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 180604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy int widthSlot; 180704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy int lengthSlot; 18087b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 180904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy float width = right - left; 181004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy float height = bottom - top; 181104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 181204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 181304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 181404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 181504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy boundaryWidthProportion, widthSlot, lengthSlot); 181604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 181704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 181804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 181904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 182004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy glUniform1f(inverseBoundaryLengthSlot, (1.0f / boundaryHeightProportion)); 1821858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1822858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1823858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1824858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1825858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1826858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 182704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 1828858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 18297b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 183004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy finishDrawAALine(widthSlot, lengthSlot); 183104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 1832858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1833858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1834858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 183599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 183699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 183799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 183899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 183999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 184099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 184199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 184299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 184399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 184499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 184599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 184699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 184799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 184899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 184999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 185099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 185199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 1852486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 1853486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 18548a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18558a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 185699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 185799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 185899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 18598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 18608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 18618a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 18627b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 186399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 186499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 186599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 18667b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 18688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 18697b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18708a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 18715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 18725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1873c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 187499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 187599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 187699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 187799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 187899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 187999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 188099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 1881211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 188299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 188399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 188499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 188599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 188699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 188799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 188899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 18897b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1890211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 1891211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 18927b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 189399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 189499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 18957b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 189699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 189799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 189899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 189999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 19005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19018a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 19028a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 190304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 190404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 190504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 19068a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 190715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 19088a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19098a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 19108a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 19128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 19138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 1914211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 19158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 19168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 19178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 19188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 19198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 19208a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 19218a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19228a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 192399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 192499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 19255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 192699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 19275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19287b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19297b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 19307b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 19317b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 19335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 19347b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 193599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 193699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 19377b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1938211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 19395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 19405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 194199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 194299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 194399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 19445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 19455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 194699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 194799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 194899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 19497b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 19507b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 19515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 195399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 195499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1955740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 195699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 195799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 195899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 195999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 19607b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 19625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 19635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 19645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 19657b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 196699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 196799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 196899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 19695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 197199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 19728a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19748a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 19758a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 19768a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 19778a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 19788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 19798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19808a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 19815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 198399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 198499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 198599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 198699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 198799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 198899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 198999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 199099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 199199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 199299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 19937b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 199499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 199599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 199699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 199799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 19985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19997b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 20015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 20025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 20035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 200499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 200599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 200699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 200799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 200899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 20097b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 201099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 201199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 201299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 201399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 201499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 201599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 201699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 201799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20187b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 201999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 202099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 202199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 202299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 202399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 20255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 20265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 20275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 20285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 20295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 203099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 20325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 20335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 20345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 20355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 203604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickRejectNoScissor(left, top, right, bottom)) { 20375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 20385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 20395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 20435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 20445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20477b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 20505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 20515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 20527b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 20545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 205699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 205799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 205899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 205999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 206099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 206199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 206299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 206399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 206499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20657b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 206699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 206799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 206899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20697b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 207099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 207199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 207299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 207399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 207499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 20757b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 207699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 207799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 207899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 20805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 208499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 208599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 208699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 20875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20897b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 209099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 209199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 209299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 209399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 20947b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 20965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20987b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 209999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 210099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 210199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 21025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21047b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 21065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 21075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21087b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21097b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 21107b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 21117b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 2112486590963e2207d68eebd6944fec70d50d41116aChet Haase 2113486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 21145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 21155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2116486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2117486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2118ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2119ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2120ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2121ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 21225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2123ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 21248a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2125ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 21268a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 21278a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 21288a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 21298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 21308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2131ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2132ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2133ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2134ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2135ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2136ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2137ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2138ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2139ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2140ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 214104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 214204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 214304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 214404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2145ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 214615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 21478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2148ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2149ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2150ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2151ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2152ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 21538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2154ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2155ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2156ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2157ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2158ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2159ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2160ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2161ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2162ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 21637b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21648a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 21658a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 21668a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 21678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 21687b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21698a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2170ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2171ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2172ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2173486590963e2207d68eebd6944fec70d50d41116aChet Haase 2174486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2175ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2176ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2177486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2178e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2179486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2180e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2181ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2182ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 218370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 21843d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2185486590963e2207d68eebd6944fec70d50d41116aChet Haase 2186486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2187c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 21889d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2189486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2190486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2191486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 219201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 219301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 219401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 219501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 219601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 219701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2198486590963e2207d68eebd6944fec70d50d41116aChet Haase 2199486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 220001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 220101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2202486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2203c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 2204486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 220501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2206a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2207c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2208c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2209486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2210c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 221101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2212486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2213486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2214c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2215a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 221601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2217486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(x - radius, y - radius, texture, paint); 2218c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 221901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2220486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2221486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2222486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 222301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2224a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2225c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2226486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2227c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2228c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2229486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 22308b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 2231486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 22328b2f5267f16c295f12faab810527cd6311997e34Romain Guy 22338b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2234486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawOval(left, top, right, bottom, paint); 22358b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 22368b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2237a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22388b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 22398b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 2240486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 22418b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 22428b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2243486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2244c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2245486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2246c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2247a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2248c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2249486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 225001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 225101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2252486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2253c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2254486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawRectAsShape(left, top, right, bottom, p); 2255c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2256c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 22576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2258486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22596926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22606926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2261026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2262746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2263a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2264a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2265a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2266a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2267a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2268a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2269a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2270026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2271026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2272026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2273181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2274858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2275858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2276858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2277858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2278486590963e2207d68eebd6944fec70d50d41116aChet Haase 2279486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2280c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 22819d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2282416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2283416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2284416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2285416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2286416a847633680d94efb926837efdc18726d54918Raph Levien 2287416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2288416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2289416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2290416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2291416a847633680d94efb926837efdc18726d54918Raph Levien paint, text, bytesCount, count, mShadowRadius, positions); 2292416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2293416a847633680d94efb926837efdc18726d54918Raph Levien 2294416a847633680d94efb926837efdc18726d54918Raph Levien const float sx = x - shadow->left + mShadowDx; 2295416a847633680d94efb926837efdc18726d54918Raph Levien const float sy = y - shadow->top + mShadowDy; 2296416a847633680d94efb926837efdc18726d54918Raph Levien 2297416a847633680d94efb926837efdc18726d54918Raph Levien const int shadowAlpha = ((mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2298416a847633680d94efb926837efdc18726d54918Raph Levien int shadowColor = mShadowColor; 2299416a847633680d94efb926837efdc18726d54918Raph Levien if (mShader) { 2300416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2301416a847633680d94efb926837efdc18726d54918Raph Levien } 2302416a847633680d94efb926837efdc18726d54918Raph Levien 2303416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2304416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2305416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2306416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2307416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2308416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2309416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2310416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2311416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2312416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2313416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2314416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2315416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2316416a847633680d94efb926837efdc18726d54918Raph Levien 2317416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2318416a847633680d94efb926837efdc18726d54918Raph Levien} 2319416a847633680d94efb926837efdc18726d54918Raph Levien 2320486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2321eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2322671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 23239c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2324486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2325eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2326eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2327671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2328671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2329486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2330671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2331671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2332671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2333671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2334671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2335671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2336671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2337671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2338671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2339671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2340b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2341671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2342671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2343671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2344671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2345671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2346671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2347671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2348416a847633680d94efb926837efdc18726d54918Raph Levien if (CC_UNLIKELY(mHasShadow)) { 2349416a847633680d94efb926837efdc18726d54918Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2350416a847633680d94efb926837efdc18726d54918Raph Levien 0.0f, 0.0f); 2351416a847633680d94efb926837efdc18726d54918Raph Levien } 2352416a847633680d94efb926837efdc18726d54918Raph Levien 2353671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2354671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2355671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2356671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2357671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2358671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2359671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2360671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 23614121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2362671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2363671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2364671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2365671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2366671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2367671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2368671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2369671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2370671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2371671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2372671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2373671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 23744121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2375671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2376671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2377671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2378671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2379211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2380671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2381671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2382671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2383671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2384671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2385671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2386671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2387671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2388671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2389671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2390486590963e2207d68eebd6944fec70d50d41116aChet Haase 2391486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2392eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2393eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2394c25259519f1b74bb62a2b051b74537f073436b5cRomain Guystatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2395996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2396671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 23979c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2398486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2399e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2400e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2401a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2402e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2403e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2404e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2405e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2406e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2407e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2408e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2409e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2410e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2411e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2412e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2413cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2414cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 241533f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2416486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2417cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2418cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 24193a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 24203a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 24216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2422211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 24236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 24246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 24256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2427ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 2428c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy ALOGD("OpenGLRenderer drawText() with FontID=%d", 2429996e57c84368058be793897ebc355b917a59abc2Raph Levien SkTypeface::UniqueID(paint->getTypeface())); 2430ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2431eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2432b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2433b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2434fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2435e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 243686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 243786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 243886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 24399d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2440211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 2441996e57c84368058be793897ebc355b917a59abc2Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2442996e57c84368058be793897ebc355b917a59abc2Raph Levien oldX, oldY); 24431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 24441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 24456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 24466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 24476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 24486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 24496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 245116c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2452a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 245386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 24544121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 245586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 245686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 245786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 245886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 245986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 246086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 246186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 246286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 246316c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 246416c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 246586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 246686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 246786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 246886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 24694121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 247006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 24716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 24725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 24735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2474211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2475894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2476996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 24778b4072d3fb9bb49d774d97689a065204beca1752Raph Levien if (paint->getTextAlign() != SkPaint::kLeft_Align) { 24788b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 24798b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 24808b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2481996e57c84368058be793897ebc355b917a59abc2Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2482996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 24838b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 24848b4072d3fb9bb49d774d97689a065204beca1752Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2485996e57c84368058be793897ebc355b917a59abc2Raph Levien } 24864ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 24874ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (status && hasActiveLayer) { 24884ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (!pureTranslate) { 24894ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy mSnapshot->transform->mapRect(bounds); 24905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 24914ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 24925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2493694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 24943a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2495486590963e2207d68eebd6944fec70d50d41116aChet Haase 2496486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2497694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2498694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2499486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2500325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 250103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 250203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2503486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 250403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 250503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2506b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 250703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 250803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 250903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 251003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 251103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 251203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 251303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 251403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 251503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 25164121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 251703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 251803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 251903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 252003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 252103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 252203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 252303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 25249777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 252503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 252603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 252703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 25289777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 25294121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 25309777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 25319777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 25329777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 253303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 25349777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 25359777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 25369777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 25379777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 25389777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 25399777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 25409777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 25419777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 25429777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2543486590963e2207d68eebd6944fec70d50d41116aChet Haase 2544486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2545325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2546325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2547486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2548486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2549dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2550a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25517fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 255233f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2553fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2554486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 255522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 25567fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 25578b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 25588b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 25598b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 256001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2561486590963e2207d68eebd6944fec70d50d41116aChet Haase 2562486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 25637fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 25647fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2565486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2566ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 2567486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 25686c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 25696c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25704ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy bool debugLayerUpdate = false; 25714ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 25722bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 25732bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy OpenGLRenderer* renderer = layer->renderer; 25742bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy Rect& dirty = layer->dirtyRect; 25752bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 25762bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy interrupt(); 25772bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 25782bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 25791271e2cc80b01d577e9db339459ef0222bb9320dChet Haase renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 25802bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->finish(); 25812bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy resume(); 25822bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 25832bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy dirty.setEmpty(); 25842bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->deferredUpdateScheduled = false; 25852bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->renderer = NULL; 25862bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->displayList = NULL; 25874ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 25884ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy debugLayerUpdate = mCaches.debugLayersUpdates; 25892bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 25902bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 2591a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25926c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25936c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 25946c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 25956c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 25966c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 25986c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2599211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2600c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 260140667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2602c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 26038168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2604c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2605c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2606c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 26078168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2608c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 26099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2610c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2611c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2612c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 26139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2614211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 26154ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int tx = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 26164ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int ty = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 26179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2618d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 26194ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 26204ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 26219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2622d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 26239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 26249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 26259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2626c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2627c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2628c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2629c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2630c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2631c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 26323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 26333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 26343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 26353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2636c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 26374ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 26384ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (debugLayerUpdate) { 26394ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 26404ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 26414ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 2642f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2643486590963e2207d68eebd6944fec70d50d41116aChet Haase 2644486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 26456c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 26466c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 26476926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2648d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2649d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2650d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2651d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 265206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 265306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 265406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 265506f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 265606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 265706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2658fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 265906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 26607fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 26617fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2662d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2663db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2664db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2665db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2666db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2667db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2668db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2669db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2670db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2671db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2672db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2673db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2674db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 26751e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 26761e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 26771e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26781e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 26791e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 26801e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 26811e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26821e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 26831e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 26841e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 26851e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 26861e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 26871e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 26881e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 26891e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26901e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 26915ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 26925ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 26935ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26945ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 26955ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 26965ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26975ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26985ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 26995ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 27005ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 27015ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 27025ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27035ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27045ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2705dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 27065ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27075ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 27085ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27095ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 27105ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 27115ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27125ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 27135ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 27166926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 27176926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 27186926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 271901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 272001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 272101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 272201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 272301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 272401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 272501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 272601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 272701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 272801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 272901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 273001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 273101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 273201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 273301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 273401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 273501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 273601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 273701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 273801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 273901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 274001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 274101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 274201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 274301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 274401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 274501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 274601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 274701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2748f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 27490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 27500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 27510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 27520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 27540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 27550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 27560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 27570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2758726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 27590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 27600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 27610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2762726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 27630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2765211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2766726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2767f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 27680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27698b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 27700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2771e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2772f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2773f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2774f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2775f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2776f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2777e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2778e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 27790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 27810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2782e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2783e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2784e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2785e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 27860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 27890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2790e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2791e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2792e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2793e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 27940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2795e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2796726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2797e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2798726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 27990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 28020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2803026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 28041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2805d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 280606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2807d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2808d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2809d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 281070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 281115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 28129c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 281370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 281470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 281570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 281670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 281770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 281870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 281970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 282070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 282170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2822c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2823c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2824c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2825c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 282682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 28278164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 282882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 282982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 283082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 283182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2832d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 28338164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2834211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 28356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 28366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 28376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2838d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 28396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 28406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 28416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 28426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2843d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 28446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 28456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 28466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 28476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 284885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 284985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2850bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2851a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2852a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 285303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2854f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2855f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2856f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2857a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 28586820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 28595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 28608694230ff25fa0a60e480d424843e56b718f0516Romain Guy 286170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 286270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 286370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 286470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 286570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 286670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 286770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 286870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2869db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 28705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 287170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 287203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 287370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2874db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 287586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 287670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 287770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 287870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2879db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 28806820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 288170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 288270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 288382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 288482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2885a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2886f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 288782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 2888c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 288982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 289082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 289182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 289282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 289382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 289482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 2895211370fd943cf26905001b38b8b1791851b26adcRomain Guy if CC_UNLIKELY((mode > SkXfermode::kScreen_Mode)) { 2896211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 2897a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2898f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2899a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 290082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 290182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 290282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 290382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 290482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 290582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 290682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 290782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 2908a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 290982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 291082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 291182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 291282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 291382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 291482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 291582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 291682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 291782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 291882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 291982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 292082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 292182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 292282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2923fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 292482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 292582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2926fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2927bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2928bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2929889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2930d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2931fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2932d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2933fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 29346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2935260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 29366926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2937260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2938260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2939026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2940ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 294182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 294282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 294382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 294482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 29458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 29468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 29475c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 2948be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 2949db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 2950026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2951026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 29529d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2953e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2954