OpenGLRenderer.cpp revision 996e57c84368058be793897ebc355b917a59abc2
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#if RENDER_LAYERS_AS_REGIONS 325d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 326d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 327d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 328d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 329d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 330d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 331d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 33208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 33308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 33408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 33508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 33608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 33708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 3387b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 3397b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 34008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 34180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 342486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 343cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 3448f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 34508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 346cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 3478f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 34865924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 349ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 3508f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 351cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 352cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 353daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 3546554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 355daf98e941e140e8739458126640183b9f296a2abChet Haase} 356daf98e941e140e8739458126640183b9f296a2abChet Haase 357f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 358f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 359f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 360f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 361bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 3627ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 363bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 364bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 365bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 3668aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 367bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 368bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 369bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 3702542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 3712542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3727ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 373bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 374bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 375bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 3768fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 377bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3788fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 3792542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3807ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 381bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 382bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3838aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 3848aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 3858fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 386bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 387bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 388bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 3897ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 390bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 391eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 392bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 393bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 3947ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 395bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 396eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 397eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 398eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 399eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 400eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 401eb99356a0548684a501766e6a524529ab93304c8Romain Guy 4028b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 4038b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 4048b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 4052542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 406746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 4078fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 4082542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 4095ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 4105ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 4115ec9924d24495822b589f1a17996655d66273b30Romain Guy } 4125ec9924d24495822b589f1a17996655d66273b30Romain Guy 4132542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 414d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 4155cbbce535744b89df5ecea95de21ee3733298260Romain Guy 416f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 417bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 418bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 419bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 420bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 4215c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 422eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 423eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 424d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 425af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 426e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 427e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 428e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 429e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 430e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 431e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 432e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 433e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 434e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 435e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 436e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 437e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 438e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 439a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 440a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 441e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 442d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 443d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 444dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 445dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 446d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 447d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 448bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 449bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 450bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 451bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 452f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy if (alpha >= 255) { 4538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 4548b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 4558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 4568aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 4578aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 4588b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 459d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 460bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 4621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 4631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 4641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 4651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 4661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 4671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 4681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 4701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 4711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 4721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 4731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 4741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 4751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 4761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 4786b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 4796b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 4806b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 4816b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 4821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 4841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 4851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 48687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 4871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 4881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 4891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 4911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 4921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 4931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 4941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 4951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 4971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 4981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 4991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 5001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 5011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 5021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 5041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 5051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 50687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 50787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 50887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 50987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 51087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 5111c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 512d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 513eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 514eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 515eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 516fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 517dda570201ac851dd85af3861f7e575721d3345daRomain Guy 518eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 519eb99356a0548684a501766e6a524529ab93304c8Romain Guy 520f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 5218aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 5227b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 523eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 524ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 525eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 526ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 527ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 528ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 529ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 530ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 531ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 532ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 533ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 534ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 535ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 536ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 537ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 538ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 539eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 540bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 541746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 542746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 54332963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 544dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 545e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 546dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 547dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 548dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 549af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 550b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 551b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 552dda570201ac851dd85af3861f7e575721d3345daRomain Guy 553a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 5548550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 555f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 556f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 557bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 558bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 5608aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 5619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 5629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 5639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 564a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 565dda570201ac851dd85af3861f7e575721d3345daRomain Guy 5668fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 5678fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 568dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 5691d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 570eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 5715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 572eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 573eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 5749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 575514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 5769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 5789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.left, snapshot->height - bounds.bottom, 5799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 5809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 581514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 582514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 583514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 584514fb18827186591d66973c2362c859b64b63556Romain Guy } 5857b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 58654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 58754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 588ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 589eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 590f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 591d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 592bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 593bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 5955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 5969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 6075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 6115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 6135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 6145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 6155ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 6189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy snapshot->fbo = layer->getFbo(); 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 6225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 6235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 6245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 6255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 6279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 6289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 6295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 6319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 6329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 6339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 6345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 6379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 6385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 6415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 6423762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Framebuffer incomplete (GL error code 0x%x)", status); 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 6459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 6475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 6515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 655586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 6568f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 6575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 6595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 6615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 6635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 6645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 6655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 6675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 6711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 6721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 6731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 6743762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 6751d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 6761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6771d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 679eb99356a0548684a501766e6a524529ab93304c8Romain Guy 680eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 681e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 682e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 683e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy 684eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 685eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 686eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 687eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6881d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 6891d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 6901d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 692f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 6939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 6945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 6959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 696f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 697f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 69803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 6998b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 700a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 7035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 704eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 7069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 7079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 708171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 7109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 711171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 712171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 7149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 7159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 716eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 7171d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 718eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7199c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 7209c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 7219c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 7229c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 7239c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 724eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 725eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 7265c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 727eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 728eb99356a0548684a501766e6a524529ab93304c8Romain Guy 729746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 730746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 731eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 7328550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 7331d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 7349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 7351d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 7361d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 7371d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 7381d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 739aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 7409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 741aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 742302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 743302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 744302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 745302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 746302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 747302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 748aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 7499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7508f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 7518f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7528f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 7538f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 7548f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 755aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 756aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 7579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 758aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 759aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 760aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 7619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7638f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 7658f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 766ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 767ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 768ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 7699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 772d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 775d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 7779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 779aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 780aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 781aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 782aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 783aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 784302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 785302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 786302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 787302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 788aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 789aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 7905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 7919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 792aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 793aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 794aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 7955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 7979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 798b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 799ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 800b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 801b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 802b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 8039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 8049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 8059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 809d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 8109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 811d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 8129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 8149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 8159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 8169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 8179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 8189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 8195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 820aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 821aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 822aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 823aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 824aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 825aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 8265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 8295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 8305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 8319fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 8329fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 83340667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 8349fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 8355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 8375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8398a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 8408a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 841211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 8425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 8435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 8469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 8479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 848f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 8495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8537230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 8547230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 8557230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 856ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 8579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 8587230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 8597230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 8607230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 861ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 8629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 8639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 8649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 867d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 8689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 8699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 870d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 8719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 8729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 87315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 8775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 879f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 8805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 881f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 8845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 8855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 8865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 8875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 8885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 8905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 8925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 8945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 8955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 8995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 9005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9027230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 9035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9053a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 9065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 9095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 9115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 9125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 9163a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 9183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 9193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 9213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 9223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 9233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 9243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 9263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 9273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 9293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 9303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 9313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 9323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 9353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 9363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 9373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 9393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 9403a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 9435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 944f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 9465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 947f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 9545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 955f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 957f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9581bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 9591bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 9601bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 9611bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 9621bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 9631bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 9641bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 9651bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 9661bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 9671bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 9681bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 9695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 97454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 97554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 97654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 97754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 97954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 98054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 98154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 98254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 98454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 98554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 9868a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 98754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 98954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 99054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 99254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 99354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 99554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 99654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 99754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 99854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 99954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 100054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 100254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 100354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 100554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 100654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 100754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 100854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 100954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 101039d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 101154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 101254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 10138a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10148a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 101554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 101654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 101754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 101854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 101954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 102054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 102154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 102254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 102354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1024bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1025f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1026f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1027f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1028f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 10298aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1030f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1031f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1032f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 10338aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1034f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1035f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1036f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 10378aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1038f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1039f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1040807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1041807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1042807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1043807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1044f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1045e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1046e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1047e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1048e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1049e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1050f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1051f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1052f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 10538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1054f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1055f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1056f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1057e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1058e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1059e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1060e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1061f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1062f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1063f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1064f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1065f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1066f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1067bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1068e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1069e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 10708f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 10718a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 10728a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 10738a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 10748a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 10759d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 10769d5316e3f56d138504565ff311145ac01621dff4Romain Guy 10779d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1078079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1079bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1080bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 10818a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 10828a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 10838a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 10848a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 10858a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10868a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 10878a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mSnapshot->transform->mapRect(r); 10888a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 10898a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10908a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 10918a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 10928a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10938a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 10948a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 10958a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 1096c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1097af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1098dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1099dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1100dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 11011d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 11028aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1103d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1104d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1105d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1106d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1107d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1108586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1109586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 1110586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.setScissorEnabled(!clipRect.contains(r)); 1111586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1112586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1113586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1114c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1115c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1116079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1117079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 11187ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1119746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 11207ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 11218aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1122e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1123e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1124a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1125a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1126a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1127a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1128f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 112970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 113070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 113170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 113254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 11338a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 11348a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 113554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 113670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 113770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 113870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 113970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 114070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 114170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 114270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 114370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 114470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 114570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 114670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 114770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 114870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 114970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 115070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 115170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1152aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1153aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1154aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1155aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 115615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 115715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 115815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 115915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 11605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 116199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 11625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1164ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1165ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1166ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1167ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1168ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 116970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 11708d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 11718d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11728d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 11738d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 11748d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 11756cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 11766cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 117770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1178fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1179fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1180fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 118170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 118270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 118370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 118470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 118586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 118686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 11876cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 11886cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 118986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 119086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 119186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 119286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 119386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 119486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 119586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 119686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 11974121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 11984121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 11994121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 12004121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 120170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 120270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 120370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 120570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 120670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 120770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 120870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 121070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 121170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 121270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 121370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 121470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 121670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 121770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 121870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 121970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 122070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1222f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1223f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1224f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1225f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 122654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1227f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1228f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1229f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 123070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1231f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1232f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1233f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 123470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 123570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 123670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1239f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1240f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1241f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 124270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 124370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 124470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 124670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 124770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 124870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 125070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 125170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 125270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 125370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 125470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 125570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 125670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 125770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 125870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 125970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 126070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 126170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 126270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 126370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 126470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 126570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12668a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 12678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 12688d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12698d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 127070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 127170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 127270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 127370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 127470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 127570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 127670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 127770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 127886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 127986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 128086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 128186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 128286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 128386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 128486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 128586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 128686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 128786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 128870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 128970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1290ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1291ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1292ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1293ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1294ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 129570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 129655fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 129770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 129870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 129970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 130070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 130186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 13025536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 130386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 13045536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 13055536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 13065536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 130770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 130870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 130970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 131070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 131170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 131270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 131370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 131470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13168d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 13178d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 13188d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 13198d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 13208d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 13218d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 132270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 132370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 132470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 132570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 132670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 132770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13284121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 13294121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 13304121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 13314121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 133270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1333f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1334f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 133515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 133670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 133770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 133870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 133970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 13402d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 134115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 134270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 134370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1344aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1345aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 13462d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 134715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1348aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1349aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 13508f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 13518f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 13528f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 13538f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 13548f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1355aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1356aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1357aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1358aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 135970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1360f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 136170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1362f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 136370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1364f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 136570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1366d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1367f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 136815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 136915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 137015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 137115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 137215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 137315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 137415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 137515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 137615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 137715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 137815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 137915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 13808d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 138170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 138270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1384f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1385f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1386f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 138715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 13885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 13905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 13915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 139299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 139399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 139499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 139599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 139699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 139799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 139899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 139999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 14005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 140199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 14027b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1403f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1404f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1405f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1406f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 140715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1408d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 14097b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 141099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 141199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1412d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 14137b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 141499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 141599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1416d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 14175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 141899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 1419d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 142099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 14215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 14227b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glUniform1f(inverseBoundaryWidthSlot, 1.0f / boundaryWidthProportion); 14237b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 14247b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 14257b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 14267b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 14277b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 14285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 14295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 143070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 143170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 143270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 143370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1434f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1435f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1436f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14371271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 143833f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1439b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 14400fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 14410fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 144204c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 14431271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 14440fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 14457b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 14466554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 14470fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 14480fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1449ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1450ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1451ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1452ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1453ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1454ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1455a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1456a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1457a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1458a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1459a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1460a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1461a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1462a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1463e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1464a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1465a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1466a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1467a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1468a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1469e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1470d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1471d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1472a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1473a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1474a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1475a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 14765b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 14775b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 14785b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1479a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1480a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1481a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1482a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1483a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1484e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1485a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1486d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1487d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1488e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1489a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1490a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1491a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1492a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1493a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1494a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1495a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1496a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1497a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1498a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1499486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 15006926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 15016926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 15026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 15036926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1504486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15056926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15066926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1507a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15088164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1509486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 151022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 151122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1512211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1513a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1514a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1515a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1516a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1517486590963e2207d68eebd6944fec70d50d41116aChet Haase 1518486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 15198ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 15208ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1521486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1522f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1523f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1524f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1525f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 15266926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1527486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15286926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1530a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15318164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1532486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 153322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 153422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 15355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 15365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 15375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 15385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 15395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 15405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1541486590963e2207d68eebd6944fec70d50d41116aChet Haase 1542486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1543f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1544f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1545486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1546e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1547e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1548e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1549e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1550486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1551e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1552e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1553e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1554e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1555e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1556e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1557e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1558486590963e2207d68eebd6944fec70d50d41116aChet Haase 1559486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1560e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1561e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1562486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 15635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 15645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 15655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1566486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1569a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1571486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 15725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1573e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1574d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1575d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 15765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15775a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 15785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 15795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 15805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 15825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1583b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1584b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1585b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1586b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1587b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1588b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1589211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1590b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1591211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 1592b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1593b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1594a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1595a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 15965a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 15975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 15985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 15995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 16005a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 16025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 16035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 16045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 16055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 16075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 16085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 16095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 16105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 16115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 16125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 16135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 16145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 16165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 16175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 16185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 16205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 16215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1622b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1623b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1624b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1625b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1626b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1627b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1628b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1629b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1630b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1631b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 16325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1635b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1636b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1637b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1638b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1639b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1640b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 16415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 16425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1643b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 1644486590963e2207d68eebd6944fec70d50d41116aChet Haase 1645486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 16465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 16475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1648486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 16498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 16508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 16515c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 16526926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 1653486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1656a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16578164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1658486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 165922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 16608ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16618ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 16628ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1663c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 16646816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 16656816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 16666816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 16676816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1668c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 166903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 16708ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 16718ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 167203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 167303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 167403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 167503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1676d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1677d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1678211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 16796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 16806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 16816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1682b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1683631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1684631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1685d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1686b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1687b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1688d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 16896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 16906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 16916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 16936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1694d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 16956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 16966620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 16986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16998ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 17008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1701486590963e2207d68eebd6944fec70d50d41116aChet Haase 1702486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1703ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1704ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1705486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 17064bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 17075c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 1708be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 1709be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 1710be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 1711be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1712be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 1713be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 1714be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 1715be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1716be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1717be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1718be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 17196926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1720486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 17216926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 17226926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1723be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 1724be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1725a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 17268164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1727486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 172822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1729d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1730d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1731f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 17322728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 17334bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1734f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1735211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 17366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1737a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 17385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 17398168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1740c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1741c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 17425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 17435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 17448ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1745211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1746c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1747c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1748c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 17496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1750c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1751c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 17526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 17535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 17545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1755a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 17565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1757211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 17586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 17596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 17606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 17616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 17626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 17646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 17666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 17676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 17696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1771054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1772486590963e2207d68eebd6944fec70d50d41116aChet Haase 1773486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1774f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1775f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 177699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1777858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1778858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1779858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1780858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1781858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1782858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1783181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1784858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1785858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 178604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 1787858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1788211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 1789858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1790858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1791858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1792858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1793858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1794858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1795858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1796858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1797858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1798858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1799858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1800858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1801858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1802858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1803858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1804858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1805858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1806858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1807858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1808858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1809858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1810858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 181104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickReject(left, top, right, bottom)) { 181204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDraw(); 181304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawNoTexture(); 181404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawAALine(); 181504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 181604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorFilter(); 181704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawShader(); 181804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawBlending(true, mode); 181904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawProgram(); 182004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawModelViewIdentity(true); 182104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorUniforms(); 182204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorFilterUniforms(); 182304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawShaderIdentityUniforms(); 1824858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 182504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy AAVertex rects[4]; 182604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy AAVertex* aaVertices = &rects[0]; 182704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 182804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 18297b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 183004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy int widthSlot; 183104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy int lengthSlot; 18327b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 183304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy float width = right - left; 183404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy float height = bottom - top; 183504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 183604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 183704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 183804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 183904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy boundaryWidthProportion, widthSlot, lengthSlot); 184004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 184104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 184204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 184304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 184404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy glUniform1f(inverseBoundaryLengthSlot, (1.0f / boundaryHeightProportion)); 1845858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1846858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1847858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1848858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1849858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1850858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 185104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 1852858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 18537b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 185404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy finishDrawAALine(widthSlot, lengthSlot); 185504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 1856858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1857858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1858858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 185999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 186099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 186199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 186299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 186399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 186499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 186599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 186699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 186799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 186899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 186999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 187099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 187199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 187299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 187399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 187499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 187599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 1876486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 1877486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 18788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 188099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 188199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 188299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 18838a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 18848a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 18858a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 18867b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 188799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 188899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 188999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 18907b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 18928a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 18937b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18948a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 18955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 18965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1897c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 189899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 189999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 190099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 190199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 190299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 190399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 190499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 1905211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 190699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 190799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 190899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 190999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 191099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 191199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 191299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 19137b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1914211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 1915211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 19167b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 191799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 191899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 19197b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 192099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 192199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 192299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 192399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 19245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19258a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 19268a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 192704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 192804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 192904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 19308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 193115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 19328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 19348a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 19368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 19378a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 1938211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 19398a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 19408a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 19418a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 19428a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 19438a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 19448a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 19458a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 194799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 194899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 19495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 195099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 19515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19527b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19537b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 19547b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 19557b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 19575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 19587b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 195999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 196099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 19617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1962211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 19635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 19645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 196599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 196699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 196799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 19685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 19695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 197099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 197199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 197299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 19737b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 19747b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 19755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 197799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 197899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1979740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 198099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 198199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 198299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 198399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 19847b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 19865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 19875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 19885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 19897b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 199099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 199199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 199299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 19935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 199599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 19968a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19978a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19988a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 19998a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 20008a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 20018a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 20028a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 20038a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 20048a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 20055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20067b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 200799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 200899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 200999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 201099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 201199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 201299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 201399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 201499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 201599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 201699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 20177b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 201899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 201999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 202099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 202199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 20225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20237b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 20255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 20265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 20275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 202899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 202999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 203099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 203199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 203299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 20337b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 203499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 203599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 203699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 203799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 203899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 203999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 204099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 204199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20427b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 204399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 204499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 204599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 204699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 204799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 20495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 20505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 20515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 20525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 20535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 205499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 20565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 20575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 20585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 20595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 206004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickRejectNoScissor(left, top, right, bottom)) { 20615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 20625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 20635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 20675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 20685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 20745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 20755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 20767b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 20785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 208099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 208199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 208299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 208399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 208499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 208599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 208699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 208799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 208899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20897b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 209099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 209199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 209299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20937b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 209499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 209599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 209699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 209799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 209899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 20997b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 210099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 210199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 210299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 21035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 21045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 21055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 21065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 21075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 210899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 210999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 211099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 21115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 21125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21137b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 211499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 211599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 211699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 211799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 21187b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 21205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 21215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21227b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 212399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 212499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 212599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 21265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21287b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 21305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 21315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21327b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21337b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 21347b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 21357b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 2136486590963e2207d68eebd6944fec70d50d41116aChet Haase 2137486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 21385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 21395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2140486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2141486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2142ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2143ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2144ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2145ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 21465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2147ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 21488a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2149ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 21508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 21518a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 21528a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 21538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 21548a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2155ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2156ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2157ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2158ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2159ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2160ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2161ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2162ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2163ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2164ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 216504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 216604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 216704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 216804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2169ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 217015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 21718a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2172ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2173ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2174ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2175ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2176ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 21778a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2178ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2179ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2180ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2181ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2182ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2183ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2184ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2185ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2186ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 21877b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21888a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 21898a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 21908a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 21918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 21927b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2194ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2195ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2196ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2197486590963e2207d68eebd6944fec70d50d41116aChet Haase 2198486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2199ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2200ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2201486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2202e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2203486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2204e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2205ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2206ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 220770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 22083d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2209486590963e2207d68eebd6944fec70d50d41116aChet Haase 2210486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2211c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 22129d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2213486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2214486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2215486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 221601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 221701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 221801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 221901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 222001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 222101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2222486590963e2207d68eebd6944fec70d50d41116aChet Haase 2223486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 222401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 222501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2226486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2227c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 2228486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 222901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2230a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2231c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2232c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2233486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2234c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 223501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2236486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2237486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2238c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2239a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 224001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2241486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(x - radius, y - radius, texture, paint); 2242c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 224301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2244486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2245486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2246486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 224701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2248a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2249c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2250486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2251c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2252c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2253486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 22548b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 2255486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 22568b2f5267f16c295f12faab810527cd6311997e34Romain Guy 22578b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2258486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawOval(left, top, right, bottom, paint); 22598b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 22608b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2261a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22628b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 22638b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 2264486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 22658b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 22668b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2267486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2268c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2269486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2270c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2271a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2272c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2273486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 227401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 227501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2276486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2277c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2278486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawRectAsShape(left, top, right, bottom, p); 2279c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2280c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 22816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2282486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2285026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2286746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2287a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2288a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2289a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2290a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2291a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2292a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2293a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2294026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2295026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2296026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2297181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2298858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2299858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2300858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2301858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2302486590963e2207d68eebd6944fec70d50d41116aChet Haase 2303486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2304c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 23059d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2306416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2307416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2308416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2309416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2310416a847633680d94efb926837efdc18726d54918Raph Levien 2311416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2312416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2313416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2314416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2315416a847633680d94efb926837efdc18726d54918Raph Levien paint, text, bytesCount, count, mShadowRadius, positions); 2316416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2317416a847633680d94efb926837efdc18726d54918Raph Levien 2318416a847633680d94efb926837efdc18726d54918Raph Levien const float sx = x - shadow->left + mShadowDx; 2319416a847633680d94efb926837efdc18726d54918Raph Levien const float sy = y - shadow->top + mShadowDy; 2320416a847633680d94efb926837efdc18726d54918Raph Levien 2321416a847633680d94efb926837efdc18726d54918Raph Levien const int shadowAlpha = ((mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2322416a847633680d94efb926837efdc18726d54918Raph Levien int shadowColor = mShadowColor; 2323416a847633680d94efb926837efdc18726d54918Raph Levien if (mShader) { 2324416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2325416a847633680d94efb926837efdc18726d54918Raph Levien } 2326416a847633680d94efb926837efdc18726d54918Raph Levien 2327416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2328416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2329416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2330416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2331416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2332416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2333416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2334416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2335416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2336416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2337416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2338416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2339416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2340416a847633680d94efb926837efdc18726d54918Raph Levien 2341416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2342416a847633680d94efb926837efdc18726d54918Raph Levien} 2343416a847633680d94efb926837efdc18726d54918Raph Levien 2344486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2345eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2346671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 23479c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2348486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2349eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2350eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2351671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2352671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2353486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2354671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2355671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2356671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2357671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2358671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2359671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2360671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2361671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2362671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2363671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2364b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2365671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2366671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2367671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2368671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2369671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2370671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2371671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2372416a847633680d94efb926837efdc18726d54918Raph Levien if (CC_UNLIKELY(mHasShadow)) { 2373416a847633680d94efb926837efdc18726d54918Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2374416a847633680d94efb926837efdc18726d54918Raph Levien 0.0f, 0.0f); 2375416a847633680d94efb926837efdc18726d54918Raph Levien } 2376416a847633680d94efb926837efdc18726d54918Raph Levien 2377671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2378671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2379671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2380671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2381671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2382671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2383671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2384671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 23854121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2386671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2387671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2388671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2389671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2390671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2391671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2392671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2393671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2394671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2395671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2396671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2397671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 23984121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2399671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2400671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2401671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2402671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2403671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2404211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2405671d6cf460531825a321edb200523d0faa7792c9Romain Guy#else 2406211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 2407671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2408671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2409671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2410671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2411671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2412671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2413671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2414671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2415671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2416671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2417671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2418671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2419671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2420486590963e2207d68eebd6944fec70d50d41116aChet Haase 2421486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2422eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2423eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2424996e57c84368058be793897ebc355b917a59abc2Raph Levienstatus_t OpenGLRenderer::drawGeneralText(const char* text, int bytesCount, int count, 2425996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2426671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 24279c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2428486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2429e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2430e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2431a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2432e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2433e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2434e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2435e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2436e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2437e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2438e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2439e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2440e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2441e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2442e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2443cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2444cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 244533f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2446486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2447cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2448cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 24493a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 24503a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 24516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2452211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 24536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 24546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 24556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2457ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 2458996e57c84368058be793897ebc355b917a59abc2Raph Levien ALOGD("OpenGLRenderer drawGeneralText() with FontID=%d", 2459996e57c84368058be793897ebc355b917a59abc2Raph Levien SkTypeface::UniqueID(paint->getTypeface())); 2460ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2461eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2462b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2463b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2464fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2465e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 246686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 246786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 246886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 24699d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2470211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 2471996e57c84368058be793897ebc355b917a59abc2Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2472996e57c84368058be793897ebc355b917a59abc2Raph Levien oldX, oldY); 24731e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 24741e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 24756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 24766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 24776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 24786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 24796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 248116c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2482a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 248386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 24844121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 248586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 248686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 248786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 248886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 248986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 249086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 249186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 249286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 249316c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 249416c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 249586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 249686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 249786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 249886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 24994121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 250006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 25016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 25025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 25035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 25045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2505211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 25065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 2507211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 25085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 2509894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2510996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 2511996e57c84368058be793897ebc355b917a59abc2Raph Levien if (positions != NULL) { 2512996e57c84368058be793897ebc355b917a59abc2Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2513996e57c84368058be793897ebc355b917a59abc2Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2514996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 2515996e57c84368058be793897ebc355b917a59abc2Raph Levien // TODO: would it be okay to call renderPosText with null positions? 2516996e57c84368058be793897ebc355b917a59abc2Raph Levien status = fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 2517996e57c84368058be793897ebc355b917a59abc2Raph Levien hasActiveLayer ? &bounds : NULL); 2518996e57c84368058be793897ebc355b917a59abc2Raph Levien } 2519996e57c84368058be793897ebc355b917a59abc2Raph Levien if (status) { 25205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2521f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 25226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 25236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 25246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2525f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 25265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 25275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 25285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2529694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 25303a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2531486590963e2207d68eebd6944fec70d50d41116aChet Haase 2532486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2533694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2534694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2535486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2536325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 253703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 253803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2539486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 254003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 254103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2542b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 254303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 254403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 254503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 254603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 254703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 254803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 254903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 255003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 255103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 25524121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 255303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 255403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 255503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 255603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 255703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 255803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 255903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 25609777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 256103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 256203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 256303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 25649777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 25654121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 25669777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 25679777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 25689777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 256903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 25709777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 25719777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 25729777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#else 25739777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = false; 25749777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 25759777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 25769777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 25779777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 25789777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 25799777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 25809777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 25819777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 25829777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 25839777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 25849777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2585486590963e2207d68eebd6944fec70d50d41116aChet Haase 2586486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2587325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2588325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2589486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2590486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2591dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2592a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25937fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 259433f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2595fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2596486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 259722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 25987fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 25998b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 26008b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 26018b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 260201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2603486590963e2207d68eebd6944fec70d50d41116aChet Haase 2604486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 26057fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 26067fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2607486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2608ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 2609486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 26106c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 26116c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 26122bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 26132bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy OpenGLRenderer* renderer = layer->renderer; 26142bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy Rect& dirty = layer->dirtyRect; 26152bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 26162bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy interrupt(); 26172bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 26182bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 26191271e2cc80b01d577e9db339459ef0222bb9320dChet Haase renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 26202bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->finish(); 26212bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy resume(); 26222bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 26232bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy dirty.setEmpty(); 26242bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->deferredUpdateScheduled = false; 26252bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->renderer = NULL; 26262bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->displayList = NULL; 26272bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 26282bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 2629a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 26306c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 26316c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 26326c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 26336c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 26346c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 26359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 26366c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2637f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2638211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2639c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 264040667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2641c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 26428168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2643c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2644c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2645c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2646c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 26478168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2648c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 26499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2650c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2651c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2652c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 26539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2654211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 26559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 26569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 26579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2658d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 26599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 26609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), true); 26619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2662d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 26639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 26649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 26659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2666c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2667c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2668c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2669c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2670c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2671c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 26723a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 26733a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 26743a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 26753a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2676c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2677f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2678f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2679ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2680ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2681f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 2682486590963e2207d68eebd6944fec70d50d41116aChet Haase 2683486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 26846c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 26856c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 26866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2687d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2688d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2689d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2690d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 269106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 269206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 269306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 269406f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 269506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 269606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2697fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 269806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 26997fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 27007fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2701d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2702db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2703db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2704db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2705db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2706db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2707db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2708db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2709db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2710db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2711db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2712db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2713db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 27141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 27151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 27161e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 27171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 27181e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 27191e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 27201e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 27211e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 27221e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 27231e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 27241e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 27251e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 27261e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 27271e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 27281e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 27291e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 27305ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 27315ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 27325ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27335ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 27345ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 27355ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27365ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27375ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 27385ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 27395ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 27405ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 27415ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27425ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27435ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2744dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 27455ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27465ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 27475ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27485ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 27495ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 27505ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27515ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 27525ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27535ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27545ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 27556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 27566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 27576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 275801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 275901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 276001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 276101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 276201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 276301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 276401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 276501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 276601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 276701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 276801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 276901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 277001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 277101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 277201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 277301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 277401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 277501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 277601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 277701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 277801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 277901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 278001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 278101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 278201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 278301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 278401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 278501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 278601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2787f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 27880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 27890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 27900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 27910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 27930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 27940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 27950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 27960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2797726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 27980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 27990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 28000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2801726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 28020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 2805726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy switch (paintCopy.getTextAlign()) { 28060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 28070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 28080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 28090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 28100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 28110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 28120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 28130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 28140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2816211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2817726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2818f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 28190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2820e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 28210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2822e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2823f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2824f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2825f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2826f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2827f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2828e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2829e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 28300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 28320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2833e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2834e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2835e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2836e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 28370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 28400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2841e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2842e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2843e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2844e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 28450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2846e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2847726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2848e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2849726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 28500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 28530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2854026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 28551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2856d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 285706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2858d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2859d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2860d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 286170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 286215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 28639c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 286470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 286570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 286670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 286770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 286870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 286970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 287070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 287170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 287270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2873c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2874c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2875c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2876c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 287782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 28788164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 287982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 288082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 288182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 288282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2883d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 28848164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2885211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 28866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 28876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 28886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2889d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 28906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 28916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 28926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 28936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2894d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 28956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 28966620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 28976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 28986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 289985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 290085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2901bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2902a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2903a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 290403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2905f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2906f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2907f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2908a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 29096820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 29105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 29118694230ff25fa0a60e480d424843e56b718f0516Romain Guy 291270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 291370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 291470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 291570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 291670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 291770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 291870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 291970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2920db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 29215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 292270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 292303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 292470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2925db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 292686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 292770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 292870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 292970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2930db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 29316820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 293270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 293370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 293482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 293582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2936a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2937f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 293882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 2939c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 294082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 294182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 294282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 294382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 294482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 294582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 2946211370fd943cf26905001b38b8b1791851b26adcRomain Guy if CC_UNLIKELY((mode > SkXfermode::kScreen_Mode)) { 2947211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 2948a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2949f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2950a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 295182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 295282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 295382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 295482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 295582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 295682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 295782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 295882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 2959a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 296082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 296182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 296282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 296382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 296482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 296582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 296682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 296782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 296882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 296982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 297082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 297182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 297282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 297382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2974fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 297582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 297682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2977fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2978bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2979bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2980889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2981d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2982fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2983d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2984fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 29856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2986260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 29876926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2988260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2989260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2990026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2991ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 299282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 299382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 299482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 299582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 29968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 29978ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 29985c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 2999be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 3000db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3001026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3002026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 30039d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3004e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3005