OpenGLRenderer.cpp revision 932b7f6765968bd526c03512f3805fbc3924dc29
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(); 173fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1748aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1758aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17684962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1778fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 178f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1797d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 180ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mDirtyClip = opaque; 181ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 182ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 1837d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1846b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 185ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 1866b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 187ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 188ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.resetScissor(); 189ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 190ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 191ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 192ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 193ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 194ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 195ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 196ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 197ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 198ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 1996b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 200bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 201bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 202b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 203b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 204b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 205b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 2065baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error from OpenGLRenderer: 0x%x", status); 207a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 208a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_ENUM: 209a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_ENUM"); 210a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 211a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_VALUE: 212a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_VALUE"); 213a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 214a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_OPERATION: 215a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_OPERATION"); 216a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 217a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 218a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" Out of memory!"); 219a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 220a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 221b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 222b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 223c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 224c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 225e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 226e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 227e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 228e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 229c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 230b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 231b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2326c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 233da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 234da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 235da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 236da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 237da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 238da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 23950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 24015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 241f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 24215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 243da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 244da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2456c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 24608837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 24708837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase 24808837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 2493e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2503e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 251da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 25282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 253746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 254da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 255a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25608837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 25750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 25850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 25950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 26050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 26150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 262da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 263da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 264ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 265932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 266ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2678f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 268ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 269ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 270ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2718f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 272ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 273ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 2743d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 2758f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 276ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 277ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 278ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 279ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 280ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 281ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 282ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 283ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 284ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 285ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 286ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 287ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 288ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 289ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 290ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 291ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 292ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 293ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 294c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 295ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 296ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 297c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 298ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 299c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 300c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 3018f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3028f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3038f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3048f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 305c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy mCaches.activeTexture(0); 306c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 3078f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 3088f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 3098f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3108f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 311daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 312932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 313c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 314f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 315f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 316f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 317d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 31880911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 31980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 32080911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 321d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 322d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 323d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 324d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 325d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 326d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 327d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 328d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 32908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 33008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 33108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 33208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 33308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 33408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 3357b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 3367b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 33708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 33880911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 339486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 340cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 3418f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 34208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 343cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 3448f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 34565924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 346ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 3478f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 348cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 349cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 350daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 3516554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 352daf98e941e140e8739458126640183b9f296a2abChet Haase} 353daf98e941e140e8739458126640183b9f296a2abChet Haase 354f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 355f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 356f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 357f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 358bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 3597ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 360bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 361bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 362bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 3638aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 364bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 365bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 366bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 3672542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 3682542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3697ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 370bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 371bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 372bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 3738fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 374bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3758fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 3762542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3777ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 378bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 379bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3808aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 3818aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 3828fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 383bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 384bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 385bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 3867ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 387bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 388eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 389bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 390bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 3917ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 392bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 393eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 394eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 395eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 396eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 397eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 398eb99356a0548684a501766e6a524529ab93304c8Romain Guy 3998b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 4008b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 4018b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 4022542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 403746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 4048fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 4052542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 4065ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 4075ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 4085ec9924d24495822b589f1a17996655d66273b30Romain Guy } 4095ec9924d24495822b589f1a17996655d66273b30Romain Guy 4102542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 411d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 4125cbbce535744b89df5ecea95de21ee3733298260Romain Guy 413f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 414bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 415bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 416bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 417bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 4185c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 419eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 420eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 421d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 422af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 423e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 424e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 425e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 426e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 427e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 428e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 429e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 430e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 431e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 432e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 433e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 434e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 435e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 436a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 437a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 438e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 439d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 440d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 441dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 442dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 443d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 444d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 445bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 446bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 447bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 448bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 4495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 4508aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 4518b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 4528aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 4538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 4548aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 4558b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 456d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 457bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 4591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 4601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 4611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 4621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 4631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 4641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 4651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 4671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 4681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 4691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 4701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 4711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 4721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 4731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 4756b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 4766b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 4776b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 4786b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 4791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 4811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 4821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 48387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 4841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 4851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 4861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 4881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 4891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 4901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 4911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 4921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 4941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 4951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 4961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 4971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 4981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 4991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 5011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 5021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 50387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 50487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 50587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 50687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 50787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 5081c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 509d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 510eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 511eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 512eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 513fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 514dda570201ac851dd85af3861f7e575721d3345daRomain Guy 515eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 516eb99356a0548684a501766e6a524529ab93304c8Romain Guy 517f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 5188aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 5197b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 520eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 521ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 522eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 523ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 524ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 525ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 526ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 527ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 528ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 529ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 530ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 531ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 532ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 533ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 534ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 535ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 536eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 537bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 538746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 539746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 54032963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 541dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 542e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 543dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 544dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 545dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 546af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 547b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 548b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 549dda570201ac851dd85af3861f7e575721d3345daRomain Guy 550a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 5518550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 552f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 553f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 554bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 555bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 5578aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 5589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 5599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 5609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 561a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 562dda570201ac851dd85af3861f7e575721d3345daRomain Guy 5638fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 5648fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 565dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 5661d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 567eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 5685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 569eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 570eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 5719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 572514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 5739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 5759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.left, snapshot->height - bounds.bottom, 5769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 5779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 578514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 579514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 580514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 581514fb18827186591d66973c2362c859b64b63556Romain Guy } 5827b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 58354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 58454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 585ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 586eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 587f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 588d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 589bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 590bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 5925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 5939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 5945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 5965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 6035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 6075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 6115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 6125ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 6135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 6159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy snapshot->fbo = layer->getFbo(); 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 6185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 6225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 6249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 6259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 6265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 6289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 6299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 6309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 6315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 6349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 6355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 6385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 6393762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Framebuffer incomplete (GL error code 0x%x)", status); 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 6429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 6465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 6528f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 6545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 6555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 6575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 6595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 6605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 6615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 6635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 6671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 6681d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 6691d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 6703762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 6711d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 6721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 675eb99356a0548684a501766e6a524529ab93304c8Romain Guy 676eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 677e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 678e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 679e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy 680eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 681eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 682eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 683eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6841d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 6851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 6861d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 688f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 6899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 6905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 6919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 692f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 693f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 69403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 6958b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 696a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 6975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 6995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 700eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 7029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 7039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 704171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 7069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 707171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 708171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 7109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 7119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 712eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 7131d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 714eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7159c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 7169c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 7179c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 7189c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 7199c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 720eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 721eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 7225c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 723eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 724eb99356a0548684a501766e6a524529ab93304c8Romain Guy 725746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 726746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 727eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 7288550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 7291d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 7309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 7311d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 7321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 7331d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 7341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 735aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 7369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 737aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 738302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 739302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 740302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 741302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 742302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 743302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 744aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 7459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7468f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 7478f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7488f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 7498f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 7508f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 751aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 752aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 7539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 754aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 755aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 756aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 7579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7598f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 7618f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 762ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 763ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 764ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 7659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 768d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 771d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 7739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 775aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 776aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 777aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 778aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 779aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 780302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 781302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 782302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 783302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 784aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 785aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 7865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 7879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 788aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 789aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 790aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 7915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 7939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 794b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 795ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 796b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 797b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 798b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 7999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 8009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 8019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 805d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 8069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 807d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 8089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 8109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 8119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 8129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 8139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 8149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 8155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 816aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 817aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 818aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 819aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 820aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 821aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 8225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 8255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 8265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 8279fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 8289fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 82940667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 8309fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 8315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 8335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8358a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 8368a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 837211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 8385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 8395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 8405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 8429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 8439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 844f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 8455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 8475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 8485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8497230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 8507230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 8517230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 852ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 8539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 8547230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 8557230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 8567230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 857ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 8589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 8599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 8609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 863d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 8649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 8659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 866d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 8679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 8689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 86915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 8705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 8735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 875f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 877f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 8805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 8815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 8835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 8845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 8865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 8885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 8905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 8915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 8955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8987230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 8995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 9025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 9055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 9075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 9085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9113a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 9123a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9133a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 9143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 9153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9163a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 9173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 9183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 9193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 9203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 9223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 9233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 9253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 9263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 9273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 9283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 9313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 9323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 9333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 9353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 9363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 9395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 940f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 9425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 943f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 9505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 951f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 953f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9541bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 9551bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 9561bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 9571bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 9581bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 9591bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 9601bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 9611bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 9621bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 9631bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 9641bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 9655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 97054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 97154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 97254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 97354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 97554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 97654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 97754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 97854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 98054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 98154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 98254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDisable(GL_SCISSOR_TEST); 98354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 98554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 98654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 98854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 98954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 99154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 99254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 99354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 99454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 99554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 99654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 99854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 99954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 100154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 100254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 100354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 100454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 100554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 100639d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 100754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 100954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 101054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glEnable(GL_SCISSOR_TEST); 101154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 101254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 101354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 101454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 101554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 101654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 101754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 101854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 101954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1020bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1021f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1022f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1023f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1024f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 10258aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1026f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1027f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1028f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 10298aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1030f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1031f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1032f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 10338aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1034f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1035f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1036807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1037807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1038807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1039807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1040f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1041e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1042e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1043e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1044e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1045e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1046f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1047f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1048f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 10498aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1050f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1051f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1052f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1053e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1054e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1055e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1056e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1057f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1058f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1059f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1060f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1061f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1062f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1063bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1064e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1065e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 10668f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 10678f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 10688f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy clip.getWidth(), clip.getHeight()); 10698f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 1070746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 10719d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 10729d5316e3f56d138504565ff311145ac01621dff4Romain Guy 10739d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1074079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1075bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1076bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1077c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1078af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1079dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1080dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1081dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 10821d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 10838aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1084d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1085d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1086d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1087d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1088d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1089d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 1090c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1091c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1092079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1093079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 10947ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1095746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 10967ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 10978aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1098e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1099e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1100a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1101a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1102a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1103a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1104f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 110570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 110670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 110770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 110854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 110954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 111070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 111170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 111270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 111370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 111470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 111570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 111670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 111770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 111870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 111970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 112070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 112170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 112270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 112370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 112470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 112570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1126aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1127aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1128aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1129aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 113015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 113115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 113215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 113315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 11345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 113599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 11365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1138ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1139ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1140ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1141ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1142ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 114370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 11448d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 11458d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11468d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 11478d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 11488d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1149db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase mColorA *= mSnapshot->alpha; 11506cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 11516cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 115270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1153fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1154fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1155fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 115670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 115770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 115870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 115970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 116086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 116186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 11626cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 11636cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 116486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 116586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 116686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 116786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 116886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 116986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 117086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 117186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 117270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 117370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 117470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 117570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 117670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 117770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 117870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 117970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 118070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 118186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 118286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 118386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 118486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 118586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 118686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 118786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 118886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 118986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 119070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 119170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 119270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 119370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 119470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 119670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 119770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 119870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 119970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 120070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1202f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1203f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1204f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1205f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 120654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1207f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1208f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1209f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 121070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1211f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1212f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1213f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 121470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 121570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 121670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 121870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1219f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1220f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1221f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 122270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 122370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 122470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 122670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 122770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 122870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 123170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 123270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 123570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 123670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 123770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 123870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 123970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 124070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 124170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 124270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 124370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 124470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 12478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 12488d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12498d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 125070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 125170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 125270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 125370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 125470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 125570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 125670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 125770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 125886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 125986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 126086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 126186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 126286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 126386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 126486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 126586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 126686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 126786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 126870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 126970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1270ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1271ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1272ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1273ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1274ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 127570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 127655fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 127770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 127870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 127970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 128070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 128186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 12825536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 128386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 12845536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 12855536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 12865536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 128770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 128870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 128970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 129070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 129170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 129270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 129370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 129470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 129570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12968d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 12978d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 12988d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 12998d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 13008d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 13018d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 130270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 130370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 130470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 130570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 130670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 130770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 130870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1309f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1310f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 131115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 131270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 131470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 131570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 13162d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 131715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 131870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1320aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1321aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 13222d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 132315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1324aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1325aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 13268f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 13278f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 13288f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 13298f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 13308f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1331aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1332aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1333aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1334aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 133570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1336f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 133770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1338f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 133970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1340f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 134170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1342d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1343f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 134415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 134515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 134615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 134715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 134815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 134915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 135015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 135115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 135215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 135315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 135415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 135515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 13568d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 135770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 135870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1360f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1361f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1362f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 136315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 13645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 13665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 13675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 136899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 136999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 137099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 137199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 137299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 137399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 137499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 137599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 13765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 137799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 13787b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1379f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1380f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1381f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1382f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 138315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1384d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13857b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 138699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 138799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1388d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13897b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 139099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 139199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1392d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 139499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 1395d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 139699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 13975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 13987b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glUniform1f(inverseBoundaryWidthSlot, 1.0f / boundaryWidthProportion); 13997b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 14007b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 14017b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 14027b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 14037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 14045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 14055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 140670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 140770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 140870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 140970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1410f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1411f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1412f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14131271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 141433f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1415b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 14160fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 14170fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 141804c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 14191271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 14200fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 14217b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 14226554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 14230fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 14240fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1425ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1426ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1427ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1428ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1429ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1430ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1431a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1432a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1433a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1434a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1435a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1436a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1437a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1438a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1439e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1440a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1441a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1442a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1443a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1444a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1445e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1446d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1447d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1448a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1449a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1450a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1451a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 14525b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 14535b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 14545b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1455a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1456a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1457a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1458a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1459a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1460e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1461a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1462d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1463d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1464e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1465a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1466a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1467a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1468a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1469a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1470a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1471a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1472a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1473a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1474a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1475486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 14766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 14776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 14786926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 14796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1480486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 14816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1483a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14848164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1485486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 148622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 148722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1488211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1489a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1490a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1491a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1492a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1493486590963e2207d68eebd6944fec70d50d41116aChet Haase 1494486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 14958ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 14968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1497486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1498f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1499f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1500f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1501f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 15026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1503486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15046926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15056926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1506a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15078164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1508486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 150922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 151022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 15115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 15125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 15135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 15145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 15155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 15165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1517486590963e2207d68eebd6944fec70d50d41116aChet Haase 1518486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1519f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1520f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1521486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1522e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1523e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1524e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1525e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1526486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1527e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1528e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1529e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1530e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1531e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1532e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1533e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1534486590963e2207d68eebd6944fec70d50d41116aChet Haase 1535486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1536e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1537e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1538486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 15395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 15405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 15415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1542486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1545a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1547486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 15485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1549e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1550d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1551d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 15525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 15545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 15555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 15565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 15585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1559b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1560b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1561b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1562b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1563b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1564b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1565211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1566b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1567211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 1568b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1569b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1570a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1571a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 15725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 15735a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 15745a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 15755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 15765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15775a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 15785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 15795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 15805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 15815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 15835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 15845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 15855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 15865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 15875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 15885a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 15895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 15905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15915a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15925a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 15935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 15945a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15955a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15965a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 15975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1598b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1599b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1600b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1601b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1602b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1603b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1604b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1605b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1606b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1607b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 16085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1611b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1612b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1613b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1614b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1615b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1616b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 16175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 16185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1619b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 1620486590963e2207d68eebd6944fec70d50d41116aChet Haase 1621486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 16225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 16235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1624486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 16258ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 16268ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 16275c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 16286926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 1629486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1632a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16338164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1634486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 163522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 16368ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16378ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 16388ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1639c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 16406816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 16416816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 16426816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 16436816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1644c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 164503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 16468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 16478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 164803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 164903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 165003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 165103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1652d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1653d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1654211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 16556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 16566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 16576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1658b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1659631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1660631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1661d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1662b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1663b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1664d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 16656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 16666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 16676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 16696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1670d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 16716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 16726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 16746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16768ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1677486590963e2207d68eebd6944fec70d50d41116aChet Haase 1678486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1679ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1680ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1681486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 16824bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 16835c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 16846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1685486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16876926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1688a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16898164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1690486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 169122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1692d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1693d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1694f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1695f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1696f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1697f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1698f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 16992728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 17004bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1701f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1702211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 17036620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1704a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 17055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 17068168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1707c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1708c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 17095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 17105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 17118ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1712211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1713c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1714c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1715c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 17166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1717c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1718c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 17196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 17205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 17215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1722a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 17235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1724211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 17256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 17266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 17276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 17286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 17296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 17316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 17336620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 17346620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 17366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1738054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1739486590963e2207d68eebd6944fec70d50d41116aChet Haase 1740486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1741f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1742f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 174399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1744858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1745858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1746858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1747858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1748858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1749858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1750181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1751858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1752858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 1753858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1754211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 1755858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1756858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1757858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1758858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1759858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1760858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1761858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1762858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1763858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1764858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1765858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1766858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1767858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1768858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDraw(); 176915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 1770858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine(); 1771858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColor(color); 1772858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilter(); 1773858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShader(); 1774858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawBlending(true, mode); 1775858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawProgram(); 1776858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawModelViewIdentity(true); 1777858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorUniforms(); 1778858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilterUniforms(); 1779858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShaderIdentityUniforms(); 1780858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1781858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex rects[4]; 1782858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex* aaVertices = &rects[0]; 1783858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 1784858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 1785858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1786858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1787858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1788858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1789858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1790858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1791858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1792858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1793858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1794858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1795858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float width = right - left; 1796858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float height = bottom - top; 1797858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 17987b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 17997b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 18007b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1801858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 1802858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 18037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 18047b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 18057b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1806858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 1807858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 1808858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 18097b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glUniform1f(inverseBoundaryLengthSlot, (1.0f / boundaryHeightProportion)); 1810858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1811858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!quickReject(left, top, right, bottom)) { 1812858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1813858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1814858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1815858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1816858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1817858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 1818858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 18197b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18207b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 1821858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1822858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1823858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 182499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 182599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 182699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 182799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 182899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 182999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 183099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 183199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 183299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 183399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 183499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 183599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 183699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 183799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 183899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 183999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 184099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 1841486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 1842486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 18438a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18448a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 184599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 184699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 184799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 18488a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 18498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 18508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 18517b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 185299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 185399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 185499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 18557b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 18578a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 18587b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 18605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 18615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1862c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 186399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 186499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 186599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 186699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 186799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 186899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 186999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 1870211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 187199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 187299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 187399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 187499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 187599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 187699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 187799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 18787b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1879211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 1880211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 18817b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 188299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 188399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 18847b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 188599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 188699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 188799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 188899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 18895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18908a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 18928a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 189315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 18948a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 18958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 18968a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 18978a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 18988a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 18998a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 1900211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 19018a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 19028a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 19038a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 19048a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 19058a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 19068a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 19078a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19088a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 190999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 191099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 19115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 191299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 19135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19147b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19157b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 19167b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 19177b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 19195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 19207b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 192199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 192299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 19237b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1924211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 19255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 19265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 192799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 192899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 192999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 19305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 19315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 193299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 193399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 193499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 19357b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 19367b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 19375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 193999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 194099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1941740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 194299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 194399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 194499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 194599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 19467b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 19485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 19495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 19505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 19517b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 195299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 195399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 195499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 19555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 195799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 19588a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 19618a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 19628a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 19638a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 19648a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 19658a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19668a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 19675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19687b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 196999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 197099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 197199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 197299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 197399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 197499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 197599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 197699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 197799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 197899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 19797b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 198099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 198199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 198299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 198399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 19845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19857b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 19875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 19885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 19895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 199099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 199199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 199299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 199399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 199499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 19957b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 199699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 199799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 199899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 199999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 200099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 200199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 200299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 200399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20047b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 200599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 200699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 200799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 200899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 200999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 20115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 20125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 20135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 20145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 20155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 201699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 20185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 20195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 20205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 20215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 20225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 20235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 20245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 20255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 20295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 20305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20337b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 20365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 20375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 20387b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 20405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 204299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 204399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 204499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 204599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 204699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 204799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 204899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 204999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 205099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20517b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 205299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 205399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 205499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20557b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 205699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 205799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 205899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 205999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 206099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 20617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 206299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 206399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 206499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 20665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 207099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 207199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 207299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 20735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20757b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 207699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 207799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 207899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 207999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 20807b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 20825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20847b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 208599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 208699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 208799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 20885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20907b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 20925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 20935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20947b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20957b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 20967b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 20977b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 2098486590963e2207d68eebd6944fec70d50d41116aChet Haase 2099486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 21005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 21015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2102486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2103486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2104ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2105ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2106ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2107ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 21085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2109ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 21108a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2111ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 21128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 21138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 21148a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 21158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 21168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2117ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2118ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2119ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2120ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2121ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2122ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2123ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2124ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2125ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2126ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2127ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 212815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 21298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2130ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2131ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2132ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2133ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2134ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 21358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2136ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2137ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2138ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2139ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2140ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2141ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2142ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2143ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2144ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 21457b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 21478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 21488a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 21498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 21507b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21518a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2152ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2153ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2154ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2155486590963e2207d68eebd6944fec70d50d41116aChet Haase 2156486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2157ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2158ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2159486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2160e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2161486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2162e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2163ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2164ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 216570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 21663d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2167486590963e2207d68eebd6944fec70d50d41116aChet Haase 2168486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2169c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 21709d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2171486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2172486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2173486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 217401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 217501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 217601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 217701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 217801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 217901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2180486590963e2207d68eebd6944fec70d50d41116aChet Haase 2181486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 218201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 218301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2184486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2185c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 2186486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 218701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2188a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2189c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2190c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2191486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2192c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 219301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2194486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2195486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2196c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2197a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 219801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2199486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(x - radius, y - radius, texture, paint); 2200c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 220101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2202486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2203486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2204486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 220501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2206a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2207c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2208486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2209c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2210c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2211486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 22128b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 2213486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 22148b2f5267f16c295f12faab810527cd6311997e34Romain Guy 22158b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2216486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawOval(left, top, right, bottom, paint); 22178b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 22188b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2219a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22208b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 22218b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 2222486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 22238b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 22248b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2225486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2226c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2227486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2228c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2229a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2230c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2231486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 223201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 223301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2234486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2235c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2236486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawRectAsShape(left, top, right, bottom, p); 2237c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2238c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 22396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2240486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22416926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2243026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2244746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2245a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2246a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2247a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2248a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2249a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2250a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2251a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2252026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2253026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2254026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2255181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2256858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2257858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2258858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2259858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2260486590963e2207d68eebd6944fec70d50d41116aChet Haase 2261486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2262c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 22639d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2264486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2265eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2266671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2267671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2268486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2269eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2270eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2271671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2272671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2273486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2274671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2275671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2276671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2277671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2278671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2279671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2280671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2281671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2282671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2283671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2284671d6cf460531825a321edb200523d0faa7792c9Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2285671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2286671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2287671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2288671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2289671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2290671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2291671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2292671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2293671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2294671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2295671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2296671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2297671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2298671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2299671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 2300671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2301671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2302671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2303671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2304671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2305671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2306671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2307671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2308671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2309671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2310671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2311671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 2312671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2313671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2314671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2315671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2316671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2317211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2318671d6cf460531825a321edb200523d0faa7792c9Romain Guy#else 2319211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 2320671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2321671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2322671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2323671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2324671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2325671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2326671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2327671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2328671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2329671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2330671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2331671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2332671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2333486590963e2207d68eebd6944fec70d50d41116aChet Haase 2334486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2335eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2336eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2337486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2338cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy float x, float y, SkPaint* paint, float length) { 2339671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2340671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2341486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2342e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2343e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2344a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2345e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2346e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2347e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2348e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2349e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2350e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2351e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2352e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2353e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2354e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2355e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2356cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2357cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 235833f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2359486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2360cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2361cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 23623a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 23633a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 23646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2365211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 23666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 23676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 23686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2370ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 23715baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("OpenGLRenderer drawText() with FontID=%d", SkTypeface::UniqueID(paint->getTypeface())); 2372ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2373eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2374eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2375b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2376fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2377e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 237886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 237986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 238086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 23819d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2382211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 23832d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mCaches.activeTexture(0); 23842d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy 2385b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 238667ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get( 238767ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint, text, bytesCount, count, mShadowRadius); 23881e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 23890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2390740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 2391740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 239286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 239386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 2394740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 2395740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 2396740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 2397740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 239886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 239986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 240086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 2401740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2402740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 2403740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 240486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 240586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2406740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 240786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 240886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 2409740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 2410740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 241186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 24120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 24130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 24141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 24151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 24166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 24176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 24186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 24196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 24206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2422a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 242386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 242486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 242586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 242686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 242786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 242886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 242986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 243086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 243186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 243286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 243386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 243486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 243586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 243606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 24376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 24385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 24395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 24405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2441211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 24425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 2443211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 24445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 2445894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 24466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 2447f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 24485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2449f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 24506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 24516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 24526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2453f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 24545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 24555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 24565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2457694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 24583a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2459486590963e2207d68eebd6944fec70d50d41116aChet Haase 2460486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2461694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2462694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2463486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2464325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 246503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 246603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2467486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 246803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 246903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 247003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 247103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 247203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 247303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 247403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 247503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 247603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 247703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 247803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 247903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 248003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 248103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 248203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 248303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 248403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 248503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 248603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 24879777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 248803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 248903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 249003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 24919777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 24929777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 24939777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 24949777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 249503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 24969777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 24979777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 24989777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#else 24999777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = false; 25009777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 25019777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 25029777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 25039777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 25049777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 25059777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 25069777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 25079777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 25089777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 25099777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 25109777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2511486590963e2207d68eebd6944fec70d50d41116aChet Haase 2512486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2513325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2514325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2515486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2516486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2517dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2518a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25197fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 252033f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2521fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2522486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 252322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 25247fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 25258b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 25268b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 25278b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 252801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2529486590963e2207d68eebd6944fec70d50d41116aChet Haase 2530486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 25317fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 25327fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2533486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2534ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 2535486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 25366c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 25376c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25382bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 25392bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy OpenGLRenderer* renderer = layer->renderer; 25402bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy Rect& dirty = layer->dirtyRect; 25412bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 25422bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy interrupt(); 25432bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 25442bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 25451271e2cc80b01d577e9db339459ef0222bb9320dChet Haase renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 25462bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->finish(); 25472bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy resume(); 25482bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 25492bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy dirty.setEmpty(); 25502bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->deferredUpdateScheduled = false; 25512bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->renderer = NULL; 25522bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->displayList = NULL; 25532bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 25542bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 2555a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25566c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25576c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 25586c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 25596c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 25606c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 25626c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2563f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2564211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2565c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 256640667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2567c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 25688168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2569c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2570c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2571c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2572c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 25738168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2574c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 25759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2576c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2577c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2578c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 25799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2580211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 25819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 25829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 25839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2584d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 25859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 25869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), true); 25879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2588d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 25899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 25909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 25919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2592c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2593c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2594c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2595c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2596c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2597c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 25983a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 25993a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 26003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 26013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2602c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2603f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2604f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2605ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2606ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2607f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 2608486590963e2207d68eebd6944fec70d50d41116aChet Haase 2609486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 26106c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 26116c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 26126926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2613d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2614d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2615d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2616d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 261706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 261806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 261906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 262006f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 262106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 262206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2623fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 262406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 26257fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 26267fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2627d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2628db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2629db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2630db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2631db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2632db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2633db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2634db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2635db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2636db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2637db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2638db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2639db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 26401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 26411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 26421e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 26441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 26451e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 26461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26471e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 26481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 26491e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 26501e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 26511e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 26521e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 26531e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 26541e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26551e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 26565ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 26575ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 26585ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26595ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 26605ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 26615ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26625ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26635ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 26645ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 26655ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 26665ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 26675ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26685ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26695ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2670dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 26715ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26725ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 26735ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26745ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 26755ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 26765ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26775ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 26785ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26795ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26805ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 26816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 26826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 26836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 268401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 268501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 268601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 268701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 268801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 268901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 269001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 269101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 269201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 269301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 269401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 269501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 269601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 269701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 269801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 269901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 270001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 270101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 270201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 270301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 270401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 270501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 270601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 270701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 270801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 270901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 271001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 271101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 271201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2713f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 27140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 27150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 27160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 27170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 27190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 27200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 27210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 27220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2723726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 27240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 27250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 27260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2727726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 27280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 2731726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy switch (paintCopy.getTextAlign()) { 27320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 27330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 27340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 27350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 27360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 27370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 27380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 27390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 27400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2742211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2743726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2744f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 27450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2746e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 27470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2748e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2749f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2750f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2751f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2752f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2753f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2754e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2755e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 27560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 27580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2759e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2760e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2761e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2762e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 27630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 27660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2767e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2768e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2769e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2770e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 27710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2772e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2773726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2774e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2775726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 27760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 27790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2780026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 27811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2782d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 278306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2784d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2785d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2786d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 278770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 278815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 278970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 279070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 279170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 279270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 279370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 279470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 279570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 279670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 279770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 279870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2799c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2800c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2801c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2802c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 280382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 28048164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 280582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 280682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 280782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 280882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2809d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 28108164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2811211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 28126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 28136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 28146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2815d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 28166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 28176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 28186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 28196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2820d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 28216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 28226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 28236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 28246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 282585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 282685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2827bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2828a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2829a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 283003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2831f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2832f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2833f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2834a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 28356820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 28365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 28378694230ff25fa0a60e480d424843e56b718f0516Romain Guy 283870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 283970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 284070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 284170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 284270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 284370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 284470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 284570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2846db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 28475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 284870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 284903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 285070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2851db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 285286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 285370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 285470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 285570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2856db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 28576820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 285870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 285970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 286082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 286182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2862a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2863f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 286482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 2865c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 286682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 286782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 286882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 286982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 287082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 287182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 2872211370fd943cf26905001b38b8b1791851b26adcRomain Guy if CC_UNLIKELY((mode > SkXfermode::kScreen_Mode)) { 2873211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 2874a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2875f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2876a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 287782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 287882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 287982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 288082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 288182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 288282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 288382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 288482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 2885a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 288682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 288782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 288882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 288982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 289082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 289182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 289282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 289382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 289482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 289582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 289682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 289782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 289882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 289982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2900fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 290182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 290282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2903fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2904bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2905bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2906889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2907d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2908fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2909d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2910fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 29116926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2912260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 29136926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2914260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2915260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2916026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2917ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 291882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 291982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 292082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 292182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 29228ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 29238ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 29245c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 29258ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 29262ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy *mode = getXfermode(paint->getXfermode()); 29278ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 29288ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 29298ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 29308ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 29318ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 29328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 29338ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 29348ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 29358ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 29368ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 29378ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 29388ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2939db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 2940026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2941026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2942a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2943d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger SkXfermode::Mode resultMode; 2944d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger if (!SkXfermode::AsMode(mode, &resultMode)) { 2945d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger resultMode = SkXfermode::kSrcOver_Mode; 2946a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2947d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger return resultMode; 2948a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2949a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 29509d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2951e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2952