OpenGLRenderer.cpp revision ddf74373616c89e0880a28a2185fd7ce3db91de6
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 2403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy#include <SkPathMeasure.h> 25694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy 275cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 28e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 36a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 37e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 38e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 399d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 409d5316e3f56d138504565ff311145ac01621dff4Romain Guy 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy 45759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 46759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 47759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 48dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy// TODO: This should be set in properties 49dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy#define ALPHA_THRESHOLD (0x7f / PANEL_BIT_DEPTH) 50dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 51d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy#define FILTER(paint) (paint && paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 52d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 569d5316e3f56d138504565ff311145ac01621dff4Romain Guy 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 65889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 66026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 68026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 692ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 832ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 84026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 85e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 89f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1042ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 105f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 106f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 110f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 111fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 113db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 1155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 116026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 118ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 119ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 120e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 121e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12329d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12429d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 126e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 127f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 12813631f3da855f200a151e7837ed9f6b079622b58Romain Guy// Debug 12913631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 13013631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13113631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 13213631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.startMark(0, name); 13313631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13413631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13513631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::endMark() const { 13613631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.endMark(); 13713631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13813631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13913631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 140f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 141f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 142f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 143530041d3191ce817832a0108514617768e43cda6Romain Guyuint32_t OpenGLRenderer::getStencilSize() { 144530041d3191ce817832a0108514617768e43cda6Romain Guy return STENCIL_BUFFER_SIZE; 145530041d3191ce817832a0108514617768e43cda6Romain Guy} 146530041d3191ce817832a0108514617768e43cda6Romain Guy 14749c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 14849c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 14949c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 15049c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 15185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 152260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 153bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 154bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 155bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 156eb99356a0548684a501766e6a524529ab93304c8Romain Guy 157eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 158eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 159746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1603e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glDisable(GL_DITHER); 16139d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy glEnable(GL_SCISSOR_TEST); 1623e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 16315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1643e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glEnableVertexAttribArray(Program::kBindingPosition); 165e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 166e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1676b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guyvoid OpenGLRenderer::prepare(bool opaque) { 1687d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1697d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1707d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1717d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guyvoid OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 172fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 1738f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy mFunctors.clear(); 174fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1758aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1768aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17784962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1788fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 179f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1807d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 181ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mDirtyClip = opaque; 182ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 183ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 1847d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1856b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 186ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 1876b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 188ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 189ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.resetScissor(); 190ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 191ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 192ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 193ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 194ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 195ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 196ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 197ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 198ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 199ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2006b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 201bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 202bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 203b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 204b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 205b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 206b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 2075baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error from OpenGLRenderer: 0x%x", status); 208a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 209a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_ENUM: 210a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_ENUM"); 211a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 212a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_VALUE: 213a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_VALUE"); 214a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 215a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_OPERATION: 216a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_OPERATION"); 217a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 218a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 219a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" Out of memory!"); 220a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 221a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 222b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 223b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 224c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 225c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 226e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 227e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 228e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 229e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 230c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 231b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 232b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2336c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 234da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 235da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 236da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 237da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 238da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 239da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 24050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 24115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 242f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 24315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 244da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 245da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2466c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 24708837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 24808837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase 24908837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 2503e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2513e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 252da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 25382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 254746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 255da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 256a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25708837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 25850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 25950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 26050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 26150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 26250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 263da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 264da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 265ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 266ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.remove(functor); 267ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2688f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 269ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 270ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 271ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2728f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 273ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 274ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 2753d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 2768f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 277ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 278ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 279ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 280ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 281ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 282ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 283ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 284ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 285ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 286ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 287ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 288ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 289ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 290ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 291ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 292ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 293ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 294ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 295c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 296ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 297ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 298c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 299ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 300c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 301c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 3028f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3038f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3048f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3058f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 306c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy mCaches.activeTexture(0); 307c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 3088f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 3098f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 3108f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3118f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 312daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 313f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 314f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 315f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 316d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 31780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 31880911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 31980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 320d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 321d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 322d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 323d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 324d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 325d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 326d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 327d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 32808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 32908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 33008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 33108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 33208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 33308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 3347b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 3357b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 33608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 33780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 3388f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy status_t result = (*functor)(DrawGlInfo::kModeDraw, &info); 339cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 3408f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 34108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 342cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 3438f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 34465924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 345ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 3468f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 347cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 348cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 349daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 3506554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 351daf98e941e140e8739458126640183b9f296a2abChet Haase} 352daf98e941e140e8739458126640183b9f296a2abChet Haase 353f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 354f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 355f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 356f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 357bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 3587ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 359bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 360bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 361bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 3628aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 363bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 364bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 365bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 3662542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 3672542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3687ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 369bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 370bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 371bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 3728fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 373bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3748fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 3752542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3767ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 377bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 378bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3798aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 3808aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 3818fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 382bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 383bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 384bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 3857ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 386bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 387eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 388bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 389bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 3907ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 391bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 392eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 393eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 394eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 395eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 396eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 397eb99356a0548684a501766e6a524529ab93304c8Romain Guy 3988b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 3998b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 4008b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 4012542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 402746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 4038fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 4042542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 4055ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 4065ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 4075ec9924d24495822b589f1a17996655d66273b30Romain Guy } 4085ec9924d24495822b589f1a17996655d66273b30Romain Guy 4092542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 410d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 4115cbbce535744b89df5ecea95de21ee3733298260Romain Guy 412f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 413bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 414bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 415bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 416bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 4175c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 418eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 419eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 420d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 421af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 422e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 423e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 424e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 425e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 426e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 427e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 428e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 429e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 430e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 431e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 432e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 433e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 434e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 435a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 436a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 437e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 438d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 439d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 440dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 441dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 442d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 443d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 444bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 445bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 446bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 447bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 4485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 4498aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 4508b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 4518aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 4528aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 4538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 4548b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 455d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 456bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 4581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 4591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 4601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 4611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 4621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 4631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 4641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 4661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 4671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 4681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 4691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 4701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 4711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 4721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 4746b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 4756b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 4766b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 4776b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 4781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 4801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 4811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 48287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 4831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 4841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 4851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 4871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 4881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 4891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 4901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 4911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 4931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 4941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 4951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 4961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 4971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 4981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 5001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 5011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 50287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 50387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 50487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 50587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 50687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 5071c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 508d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 509eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 510eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 511eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 512fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 513dda570201ac851dd85af3861f7e575721d3345daRomain Guy 514eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 515eb99356a0548684a501766e6a524529ab93304c8Romain Guy 516f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 5178aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 5187b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 519eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 520ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 521eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 522ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 523ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 524ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 525ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 526ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 527ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 528ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 529ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 530ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 531ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 532ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 533ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 534ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 535eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 536bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 537746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 538746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 53932963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 540dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 541e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 542dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 543dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 544dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 545af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 546b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 547b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 548dda570201ac851dd85af3861f7e575721d3345daRomain Guy 549a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 5508550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 551f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 552f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 553bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 554bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 5568aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 5579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 5589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 5599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 560a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 561dda570201ac851dd85af3861f7e575721d3345daRomain Guy 5628fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 5638fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 564dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 5651d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 566eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 5675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 568eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 569eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 5709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 571514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 5729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 5749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.left, snapshot->height - bounds.bottom, 5759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 5769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 577514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 578514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 579514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 580514fb18827186591d66973c2362c859b64b63556Romain Guy } 5817b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 58254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 58354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 584ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 585eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 586f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 587d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 588bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 589bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 5915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 5929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 5935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 5955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 5965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 6035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 6075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 6095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 6115ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 6125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 6149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy snapshot->fbo = layer->getFbo(); 6155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 6185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 6239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 6249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 6255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 6279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 6289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 6299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 6305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 6339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 6345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 6375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 6383762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Framebuffer incomplete (GL error code 0x%x)", status); 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 6419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 6455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 6475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 6518f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 6525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 6545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 6565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 6595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 6605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 6661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 6671d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 6681d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 6693762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 6701d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 6711d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 674eb99356a0548684a501766e6a524529ab93304c8Romain Guy 675eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 676e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 677e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 678e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy 679eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 680eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 681eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 682eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6831d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 6841d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 6851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 687f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 6889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 6895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 6909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 691f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 692f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 69303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 6948b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 695a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 6965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 6985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 699eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 7019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 7029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 703171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 7059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 706171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 707171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 7099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 7109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 711eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 7121d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 713eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7149c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 7159c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 7169c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 7179c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 7189c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 719eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 720eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 7215c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 722eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 723eb99356a0548684a501766e6a524529ab93304c8Romain Guy 724746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 725746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 726eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 7278550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 7281d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 7299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 7301d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 7311d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 7321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 7331d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 734aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 7359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 736aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 737302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 738302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 739302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 740302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 741302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 742302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 743aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 7449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7458f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 7468f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7478f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 7488f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 7498f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 750aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 751aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 7529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 753aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 754aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 755aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 7569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7588f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 7608f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 761ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 762ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 763ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 7649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 767d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 770d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 7729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 774aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 775aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 776aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 777aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 778aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 779302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 780302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 781302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 782302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 783aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 784aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 7855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 7869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 787aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 788aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 789aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 7905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 7929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 793b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 794ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 795b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 796b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 797b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 7989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 7999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 8009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 804d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 8059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 806d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 8079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 8099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 8109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 8119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 8129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 8139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 8145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 815aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 816aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 817aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 818aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 819aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 820aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 8215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 8245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 8255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 8269fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 8279fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 82840667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 8299fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 8305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 8325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8348a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 8358a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 836211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 8375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 8385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 8395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 8419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 8429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 843f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 8465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 8475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8487230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 8497230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 8507230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 851ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 8529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 8537230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 8547230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 8557230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 856ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 8579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 8589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 8599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 862d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 8639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 8649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 865d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 8669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 8679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 86815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 8695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 8715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 874f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 876f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 8775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 8795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 8805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 8815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 8835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 8855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 8875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 8895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 8905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 8945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8977230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 8985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 9015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 9045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 9065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 9075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9103a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 9113a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9123a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 9133a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 9143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 9163a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 9173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 9183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 9193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 9213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 9223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 9243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 9253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 9263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 9273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 9303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 9313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 9323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 9343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 9353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 9385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 939f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 9415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 942f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 9495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 950f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 952f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9531bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 9541bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 9551bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 9561bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 9571bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 9581bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 9591bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 9601bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 9611bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 9621bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 9631bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 9645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 96954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 97054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 97154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 97254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 97454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 97554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 97654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 97754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 97954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 98054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 98154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDisable(GL_SCISSOR_TEST); 98254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 98454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 98554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 98754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 98854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 99054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 99154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 99254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 99354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 99454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 99554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 99754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 99854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 100054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 100154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 100254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 100354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 100454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 100539d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 100654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 100854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glEnable(GL_SCISSOR_TEST); 101054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 101154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 101254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 101354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 101454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 101554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 101654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 101754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 101854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1019bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1020f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1021f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1022f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1023f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 10248aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1025f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1026f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1027f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 10288aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1029f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1030f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1031f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 10328aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1033f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1034f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1035807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1036807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1037807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1038807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1039f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1040e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1041e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1042e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1043e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1044e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1045f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1046f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1047f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 10488aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1049f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1050f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1051f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1052e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1053e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1054e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1055e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1056f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1057f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1058f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1059f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1060f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1061f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1062bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1063e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1064e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 10658f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 10668f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 10678f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy clip.getWidth(), clip.getHeight()); 10688f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 1069746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 10709d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 10719d5316e3f56d138504565ff311145ac01621dff4Romain Guy 10729d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1073079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1074bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1075bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1076c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1077af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1078dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1079dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1080dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 10811d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 10828aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1083d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1084d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1085d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1086d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1087d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1088d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 1089c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1090c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1091079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1092079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 10937ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1094746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 10957ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 10968aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1097e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1098e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1099a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1100a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1101a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1102a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1103f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 110470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 110570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 110670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 110754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 110854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 110970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 111070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 111170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 111270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 111370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 111470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 111570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 111670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 111770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 111870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 111970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 112070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 112170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 112270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 112370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 112470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1125aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1126aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1127aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1128aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 112915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 113015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 113115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 113215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 11335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 113499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 11355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1137ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1138ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1139ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1140ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1141ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 114270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 11438d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 11448d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11458d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 11468d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 11478d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1148db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase mColorA *= mSnapshot->alpha; 11496cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 11506cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 115170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1152fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1153fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1154fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 115570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 115670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 115770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 115870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 115986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 116086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 11616cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 11626cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 116386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 116486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 116586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 116686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 116786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 116886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 116986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 117086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 117170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 117270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 117370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 117470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 117570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 117670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 117770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 117870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 117970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 118086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 118186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 118286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 118386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 118486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 118586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 118686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 118786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 118886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 118970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 119070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 119170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 119270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 119370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 119570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 119670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 119770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 119870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 119970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1201f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1202f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1203f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1204f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 120554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1206f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1207f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1208f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 120970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1210f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1211f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1212f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 121370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 121470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 121570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 121770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1218f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1219f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1220f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 122170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 122270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 122370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 122570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 122670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 122770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 122970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 123070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 123170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 123470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 123570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 123670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 123770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 123870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 123970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 124070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 124170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 124270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 124370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12458a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 12468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 12478d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12488d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 124970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 125070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 125170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 125270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 125370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 125470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 125570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 125670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 125786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 125886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 125986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 126086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 126186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 126286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 126386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 126486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 126586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 126686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 126770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 126870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1269ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1270ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1271ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1272ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1273ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 127470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 127555fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 127670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 127770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 127870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 127970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 128086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 12815536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 128286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 12835536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 12845536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 12855536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 128670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 128770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 128870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 128970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 129070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 129170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 129270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 129370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 129470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12958d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 12968d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 12978d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 12988d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 12998d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 13008d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 130170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 130270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 130370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 130470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 130570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 130670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 130770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1308f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1309f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 131015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 131170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 131370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 131470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 13152d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 131615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 131770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1319aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1320aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 13212d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 132215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1323aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1324aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 13258f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 13268f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 13278f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 13288f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 13298f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1330aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1331aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1332aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1333aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 133470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1335f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 133670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1337f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 133870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1339f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 134070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1341d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1342f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 134315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 134415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 134515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 134615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 134715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 134815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 134915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 135015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 135115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 135215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 135315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 135415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 13558d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 135670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 135770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1359f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1360f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1361f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 136215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 13635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 13655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 13665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 136799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 136899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 136999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 137099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 137199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 137299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 137399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 137499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 13755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 137699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 13777b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1378f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1379f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1380f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1381f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 138215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1383d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13847b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 138599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 138699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1387d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13887b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 138999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 139099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1391d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 139399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 1394d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 139599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 13965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 13977b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glUniform1f(inverseBoundaryWidthSlot, 1.0f / boundaryWidthProportion); 13987b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 13997b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 14007b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 14017b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 14027b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 14035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 14045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 140570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 140670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 140770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 140870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1409f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1410f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1411f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14121271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 141333f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1414b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 14150fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 14160fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 141704c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 14181271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 14190fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 14207b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 14216554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 14220fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 14230fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1424ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1425ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1426ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1427ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1428ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1429ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1430a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1431a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1432a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1433a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1434a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1435a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1436a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1437a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1438e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1439a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1440a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1441a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1442a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1443a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1444e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1445d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1446d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1447a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1448a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1449a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1450a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 14515b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 14525b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 14535b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1454a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1455a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1456a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1457a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1458a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1459e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1460a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1461d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1462d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1463e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1464a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1465a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1466a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1467a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1468a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1469a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1470a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1471a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1472a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1473a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 14745c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 14756926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 14766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 14776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 14786926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 14796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14806926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1482a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14838164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14849cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 148522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 148622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1487211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1488a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1489a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1490a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1491a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 14928ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 14938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 14945c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1495f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1496f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1497f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1498f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 14996926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 15006926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 15016926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1503a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15048164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15059cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 150622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 150722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 15085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 15095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 15105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 15115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 15125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 15135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1514f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1515f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1516e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guyvoid OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1517e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1518e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1519e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1520e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1521e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy return; 1522e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1523e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1524e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1525e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1526e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1527e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1528e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1529e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1530e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 15315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 15325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 15335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 15345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 15355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 15365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1538a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 15415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1542e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1543d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1544d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 15455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 15475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 15485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 15495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 15515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1552b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1553b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1554b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1555b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1556b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1557b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1558211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1559b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1560211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 1561b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1562b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1563a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1564a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 15655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 15665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 15675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 15685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 15695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 15715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 15725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 15735a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 15745a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 15765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 15775a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 15785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 15795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 15805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 15815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 15825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 15835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 15865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 15875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15885a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 15905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1591b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1592b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1593b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1594b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1595b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1596b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1597b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1598b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1599b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1600b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 16015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1604b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1605b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1606b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1607b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1608b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1609b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 16105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 16115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1612b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 16135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 16145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16158ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 16168ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 16178ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 16185c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 16196926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 16206926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 16216926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16226926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1623a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16248164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 16259cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 162622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 16278ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16288ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 16298ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1630c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 16316816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 16326816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 16336816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 16346816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1635c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 163603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 16378ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 16388ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 163903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 164003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 164103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 164203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1643d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1644d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1645211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 16466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 16476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 16486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1649b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1650631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1651631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1652d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1653b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1654b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1655d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 16566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 16576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 16586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 16606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1661d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 16626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 16636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 16656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16668ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16678ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1668ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1669ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 16704aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 16714bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 16725c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 16736926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 16746926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 16756926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1677a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16788164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 16799cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 168022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1681d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1682d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1683f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1684f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1685f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1686f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1687f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 16882728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 16894bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1690f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1691211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 16926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1693a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 16945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 16958168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1696c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1697c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 16985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 16995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 17008ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1701211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1702c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1703c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1704c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 17056620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1706c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1707c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 17086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 17095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 17105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1711a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 17125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1713211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 17146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 17156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 17166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 17176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 17186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 17206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 17226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 17236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 17256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1727054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1728f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1729f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 173099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1731858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1732858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1733858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1734858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1735858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1736858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1737181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1738858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1739858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 1740858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1741211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 1742858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1743858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1744858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1745858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1746858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1747858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1748858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1749858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1750858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1751858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1752858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1753858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1754858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1755858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDraw(); 175615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 1757858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine(); 1758858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColor(color); 1759858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilter(); 1760858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShader(); 1761858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawBlending(true, mode); 1762858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawProgram(); 1763858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawModelViewIdentity(true); 1764858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorUniforms(); 1765858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilterUniforms(); 1766858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShaderIdentityUniforms(); 1767858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1768858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex rects[4]; 1769858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex* aaVertices = &rects[0]; 1770858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 1771858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 1772858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1773858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1774858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1775858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1776858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1777858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1778858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1779858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1780858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1781858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1782858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float width = right - left; 1783858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float height = bottom - top; 1784858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 17857b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 17867b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 17877b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1788858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 1789858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 17907b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 17917b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 17927b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1793858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 1794858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 1795858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 17967b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glUniform1f(inverseBoundaryLengthSlot, (1.0f / boundaryHeightProportion)); 1797858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1798858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!quickReject(left, top, right, bottom)) { 1799858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1800858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1801858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1802858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1803858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1804858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 1805858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 18067b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18077b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 1808858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1809858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1810858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 181199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 181299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 181399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 181499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 181599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 181699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 181799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 181899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 181999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 182099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 182199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 182299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 182399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 182499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 182599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 182699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 182799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 18288a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 18298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (mSnapshot->isIgnored()) return; 18308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18318a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 183299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 183399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 183499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 18358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 18368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 18378a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 18387b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 183999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 184099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 184199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 18427b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18438a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 18448a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 18457b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 18475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 18485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1849c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 185099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 185199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 185299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 185399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 185499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 185599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 185699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 1857211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 185899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 185999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 186099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 186199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 186299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 186399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 186499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 18657b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1866211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 1867211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 18687b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 186999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 187099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 18717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 187299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 187399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 187499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 187599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 18765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18778a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 18798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 188015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 18818a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 18828a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 18838a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 18848a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 18858a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 18868a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 1887211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 18888a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 18898a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 18908a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 18918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 18928a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 18938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18948a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 18958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 189699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 189799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 18985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 189999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 19005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19017b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19027b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 19037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 19047b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 19065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 19077b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 190899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 190999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 19107b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1911211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 19125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 19135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 191499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 191599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 191699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 19175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 19185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 191999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 192099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 192199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 19227b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 19237b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 19245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 192699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 192799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1928740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 192999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 193099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 193199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 193299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 19337b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 19355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 19365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 19375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 19387b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 193999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 194099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 194199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 19425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 194499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 19458a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 19488a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 19498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 19508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 19518a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 19528a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 19545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19557b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 195699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 195799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 195899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 195999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 196099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 196199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 196299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 196399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 196499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 196599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 19667b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 196799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 196899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 196999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 197099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 19715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19727b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 19745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 19755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 19765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 197799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 197899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 197999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 198099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 198199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 19827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 198399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 198499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 198599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 198699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 198799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 198899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 198999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 199099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 19917b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 199299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 199399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 199499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 199599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 199699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 19975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 19985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 19995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 20005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 20015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 20025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 200399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 20055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 20065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 20075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 20085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 20095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 20105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 20115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 20125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 20165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 20175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20207b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 20235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 20245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 20257b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 20275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 202999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 203099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 203199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 203299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 203399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 203499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 203599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 203699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 203799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20387b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 203999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 204099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 204199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20427b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 204399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 204499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 204599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 204699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 204799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 20487b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 204999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 205099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 205199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 20535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 205799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 205899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 205999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 20605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20627b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 206399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 206499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 206599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 206699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 20677b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 20695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 207299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 207399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 207499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 20755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20777b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 20795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 20805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20817b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 20837b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 20847b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 20855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 20865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2087ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2088ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 2089ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2090ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2091ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2092ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 20935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2094ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 20958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2096ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 20978a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 20988a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 20998a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 21008a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 21018a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2102ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2103ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2104ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2105ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2106ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2107ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2108ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2109ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2110ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2111ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2112ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 211315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 21148a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2115ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2116ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2117ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2118ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2119ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 21208a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2121ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2122ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2123ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2124ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2125ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2126ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2127ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2128ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2129ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 21307b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21318a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 21328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 21338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 21348a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 21357b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2137ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2138ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2139ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2140ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2141ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 214285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2143e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2144af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2145e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2146ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2147ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 214870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 21493d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2150c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 21519d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2152c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 215301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 215401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 215501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 215601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 215701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 215801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 215901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 216001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 216101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2162c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2163c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 216401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 216501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2166a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2167c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2168c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2169c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2170c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 217101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2172c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2173c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2174c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2175a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 217601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2177c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 2178c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 217901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2180c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 2181c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 218201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2183a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2184c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2185c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2186c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2187c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 21888b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 21898b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 21908b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 21918b2f5267f16c295f12faab810527cd6311997e34Romain Guy 21928b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 21938b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 21948b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 21958b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 21968b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2197a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 21988b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 21998b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 22008b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 22018b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 22028b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2203c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2204c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2205c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2206c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2207a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2208c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2209c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 221001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 221101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 22125c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2213c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2214c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 2215c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 2216c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2217c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 22186926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 22196926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 22206926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22216926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2222026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2223746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2224a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2225a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2226a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2227a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2228a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2229a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2230a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2231026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2232026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2233026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2234181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2235858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2236858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2237858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2238858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2239c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 22409d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2241eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guyvoid OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2242eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2243671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2244671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2245eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy return; 2246eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2247eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2248671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2249671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2250671d6cf460531825a321edb200523d0faa7792c9Romain Guy return; 2251671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2252671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2253671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2254671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2255671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2256671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2257671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2258671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2259671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2260671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2261671d6cf460531825a321edb200523d0faa7792c9Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2262671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2263671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2264671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2265671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2266671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2267671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2268671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2269671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2270671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2271671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2272671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2273671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2274671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2275671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2276671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 2277671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2278671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2279671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2280671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2281671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2282671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2283671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2284671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2285671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2286671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2287671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2288671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 2289671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2290671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2291671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2292671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2293671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2294211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2295671d6cf460531825a321edb200523d0faa7792c9Romain Guy#else 2296211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 2297671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2298671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2299671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2300671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2301671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2302671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2303671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2304671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2305671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2306671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2307671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2308671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2309671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2310eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2311eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2312e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2313cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy float x, float y, SkPaint* paint, float length) { 2314671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2315671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2316e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 2317e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2318e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2319a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2320e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2321e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2322e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2323e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2324e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2325e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2326e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2327e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2328e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2329e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2330e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2331cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2332cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 233333f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2334cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy return; 2335cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2336cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 23373a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 23383a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 23396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2340211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 23416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 23426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 23436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2345ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 23465baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("OpenGLRenderer drawText() with FontID=%d", SkTypeface::UniqueID(paint->getTypeface())); 2347ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2348eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2349eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2350b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2351fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2352e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 235386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 235486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 235586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 23569d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2357211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 23582d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mCaches.activeTexture(0); 23592d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy 2360b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 236167ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get( 236267ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint, text, bytesCount, count, mShadowRadius); 23631e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 23640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2365740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 2366740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 236786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 236886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 2369740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 2370740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 2371740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 2372740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 237386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 237486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 237586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 2376740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2377740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 2378740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 237986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 238086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2381740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 238286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 238386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 2384740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 2385740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 238686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 23870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 23891e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 23901e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 23926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 23936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 23946620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 23956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2397a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 239886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 239986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 240086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 240186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 240286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 240386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 240486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 240586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 240686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 240786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 240886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 240986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 241086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 241106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 24126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 24135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 24145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 24155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2416211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 24175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 2418211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 24195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 2420894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 24216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 2422f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 24235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2424f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 24256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 24266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 24276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2428f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 24295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 24305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 24315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2432694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 24333a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2434694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2435694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2436325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guyvoid OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2437325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 243803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 243903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 244003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy return; 244103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 244203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 244303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 244403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 244503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 244603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 244703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 244803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 244903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 245003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 245103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 245203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 245303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 245403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 245503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 245603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 245703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 245803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 245903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 24609777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 246103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 246203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 246303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 24649777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 24659777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 24669777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 24679777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 246803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 24699777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 24709777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 24719777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#else 24729777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = false; 24739777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 24749777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 24759777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 24769777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 24779777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 24789777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 24799777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 24809777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 24819777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 24829777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 24839777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2484325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2485325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 24867fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2487af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2488dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2489a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 24907fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 249133f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2492fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 24939cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 249422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 24957fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 24968b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 24978b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 24988b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 249901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 25007fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 25017fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2502ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2503ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 25046c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 25056c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 25066c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25072bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 25082bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy OpenGLRenderer* renderer = layer->renderer; 25092bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy Rect& dirty = layer->dirtyRect; 25102bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 25112bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy interrupt(); 25122bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 25132bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 25141271e2cc80b01d577e9db339459ef0222bb9320dChet Haase renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 25152bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->finish(); 25162bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy resume(); 25172bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 25182bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy dirty.setEmpty(); 25192bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->deferredUpdateScheduled = false; 25202bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->renderer = NULL; 25212bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->displayList = NULL; 25222bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 25232bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 2524a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25256c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25266c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 25276c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 25286c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 25296c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 25316c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2532f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2533211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2534c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 253540667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2536c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 25378168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2538c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2539c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2540c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2541c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 25428168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2543c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 25449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2545c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2546c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2547c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 25489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2549211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 25509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 25519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 25529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2553d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 25549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 25559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), true); 25569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2557d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 25589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 25599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 25609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2561c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2562c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2563c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2564c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2565c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2566c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 25673a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 25683a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 25693a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 25703a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2571c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2572f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2573f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2574ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2575ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2576f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 25776c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 25786c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2580d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2581d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2582d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2583d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 258406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 258506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 258606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 258706f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 258806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 258906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2590fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 259106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 25927fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 25937fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2594d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2595db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2596db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2597db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2598db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2599db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2600db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2601db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2602db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2603db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2604db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2605db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2606db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 26071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 26081e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 26091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26101e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 26111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 26121e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 26131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 26151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 26161e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 26171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 26181e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 26191e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 26201e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 26211e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26221e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 26235ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 26245ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 26255ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26265ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 26275ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 26285ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26295ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26305ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 26315ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 26325ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 26335ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 26345ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26355ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26365ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2637dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 26385ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26395ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 26405ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26415ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 26425ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 26435ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26445ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 26455ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26465ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26475ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 26486926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 26496926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 26506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 265101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 265201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 265301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 265401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 265501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 265601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 265701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 265801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 265901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 266001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 266101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 266201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 266301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 266401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 266501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 266601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 266701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 266801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 266901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 267001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 267101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 267201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 267301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 267401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 267501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 267601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 267701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 267801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 267901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2680f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 26810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 26820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 26830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 26840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 26850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 26860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 26870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 26880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 26890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2690726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 26910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 26920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 26930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2694726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 26950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 26960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 26970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 2698726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy switch (paintCopy.getTextAlign()) { 26990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 27000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 27010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 27020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 27030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 27040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 27050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 27060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 27070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2709211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2710726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2711f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 27120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2713e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 27140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2715e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2716f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2717f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2718f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2719f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2720f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2721e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2722e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 27230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 27250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2726e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2727e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2728e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2729e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 27300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 27330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2734e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2735e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2736e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2737e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 27380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2739e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2740726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2741e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2742726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 27430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 27460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2747026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 27481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2749d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 275006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2751d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2752d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2753d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 275470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 275515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 275670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 275770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 275870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 275970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 276070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 276170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 276270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 276370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 276470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 276570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2766c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2767c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2768c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2769c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 277082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 27718164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 277282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 277382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 277482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 277582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2776d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 27778164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2778211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 27796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 27806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 27816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2782d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 27836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 27846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 27856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 27866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2787d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 27886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 27896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 27906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 27916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 279285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 279385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2794bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2795a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2796a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 279703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2798f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2799f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2800f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2801a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 28026820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 28035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 28048694230ff25fa0a60e480d424843e56b718f0516Romain Guy 280570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 280670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 280770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 280870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 280970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 281070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 281170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 281270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2813db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 28145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 281570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 281603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 281770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2818db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 281986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 282070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 282170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 282270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2823db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 28246820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 282570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 282670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 282782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 282882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2829a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2830f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 283182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 2832c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 283382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 283482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 283582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 283682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 283782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 283882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 2839211370fd943cf26905001b38b8b1791851b26adcRomain Guy if CC_UNLIKELY((mode > SkXfermode::kScreen_Mode)) { 2840211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 2841a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2842f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2843a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 284482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 284582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 284682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 284782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 284882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 284982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 285082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 285182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 2852a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 285382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 285482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 285582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 285682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 285782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 285882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 285982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 286082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 286182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 286282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 286382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 286482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 286582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 286682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2867fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 286882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 286982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2870fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2871bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2872bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2873889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2874d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2875fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2876d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2877fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 28786926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2879260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 28806926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2881260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2882260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2883026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2884ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 288582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 288682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 288782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 288882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 28898ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 28908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 28915c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 28928ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 28932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy *mode = getXfermode(paint->getXfermode()); 28948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 28958ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 28968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 28978ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 28988ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 28998ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 29008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 29018ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 29028ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 29038ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 29048ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 29058ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2906db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 2907026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2908026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2909a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2910d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger SkXfermode::Mode resultMode; 2911d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger if (!SkXfermode::AsMode(mode, &resultMode)) { 2912d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger resultMode = SkXfermode::kSrcOver_Mode; 2913a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2914d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger return resultMode; 2915a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2916a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 29179d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2918e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2919