OpenGLRenderer.cpp revision d15ebf25c595b855f6978d0600218e3ea5f31e92
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 2403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy#include <SkPathMeasure.h> 25694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy 275cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 28e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 36a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 37e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 38e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 399d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 409d5316e3f56d138504565ff311145ac01621dff4Romain Guy 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy 45759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 46759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 47759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 48f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 49dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 50d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy#define FILTER(paint) (paint && paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 51d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 529d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy 56889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 65026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 66026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 682ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 692ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 83026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 84e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 88f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 104f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 105f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 106f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 110fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 112db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 1145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 115026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 116ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 118ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 119e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 120e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12229d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12329d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 124e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 126f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 12713631f3da855f200a151e7837ed9f6b079622b58Romain Guy// Debug 12813631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 12913631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13013631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 13113631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.startMark(0, name); 13213631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13313631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13413631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::endMark() const { 13513631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.endMark(); 13613631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13713631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13813631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 139f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 140f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 141f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14249c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 14349c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 14449c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 14549c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 14685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 147260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 148bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 149bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 150bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 151eb99356a0548684a501766e6a524529ab93304c8Romain Guy 152eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 153eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 154746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1553e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glDisable(GL_DITHER); 1563e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 15715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1583e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glEnableVertexAttribArray(Program::kBindingPosition); 159e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 160e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 16144b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepare(bool opaque) { 16244b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1637d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1647d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 16544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 166fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 167fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1688aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1698aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17084962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1718fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 172f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1737d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 174ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mDirtyClip = opaque; 175ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 176ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 1777d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1786b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 179586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 180ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 1816b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 18244b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 183ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 184ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.resetScissor(); 185ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 18644b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 18744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 188ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 189ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 190ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 191ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 192ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 193ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 194ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 195ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 196ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 1976b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 198bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 199bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 200b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 201b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 202b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 203b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 2045baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error from OpenGLRenderer: 0x%x", status); 205a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 206a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_ENUM: 207a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_ENUM"); 208a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 209a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_VALUE: 210a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_VALUE"); 211a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 212a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_OPERATION: 213a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_OPERATION"); 214a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 215a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 216a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" Out of memory!"); 217a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 218a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 219b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 220b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 221c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 222c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 223e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 224e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 225e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 226e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 227c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 228b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 229b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2306c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 231da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 232da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 233da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 234da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 235da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 236da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 23750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 23815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 239f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 24015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 241da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 242da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2436c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 24408837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 24508837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase 24608837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 2473e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2483e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 2498025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 250586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 25182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 252746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 253da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 254a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25508837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 25650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 25750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 25850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 25950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 26050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 261da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 262da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 263ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 264932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 265ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2668f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 267ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 268ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 269ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2708f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 271ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 272ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 2733d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 2748f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 275ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 276ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 277ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 278ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 279ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 280ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 281ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 282ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 283ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 284ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 285ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 286ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 287ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 288ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 289ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 290ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 291ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 292ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 293c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 294ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 295ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 296c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 297ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 298c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 299c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 3008f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3018f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3028f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3038f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 304c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy mCaches.activeTexture(0); 305c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 3068f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 3078f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 3088f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3098f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 310daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 311932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 312c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 3138a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mCaches.enableScissor(); 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 // Since we don't know what the functor will draw, let's dirty 322d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 323d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 324d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 325d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 326d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 32708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 32808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 32908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 33008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 33108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 33208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 3337b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 3347b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 33508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 33680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 337486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 338cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 3398f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 34008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 341cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 3428f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 34365924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 344ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 3458f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 346cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 347cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 348daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 3496554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 350daf98e941e140e8739458126640183b9f296a2abChet Haase} 351daf98e941e140e8739458126640183b9f296a2abChet Haase 352f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 353f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 354f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 355f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 356bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 3577ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 358bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 359bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 360bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 3618aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 362bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 363bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 364bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 3652542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 3662542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3677ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 368bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 369bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 370bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 3718fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 372bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3738fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 3742542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3757ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 376bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 377bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3788aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 3798aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 3808fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 381bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 382bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 383bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 3847ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 385bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 386eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 387bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 388bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 3897ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 390bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 391eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 392eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 393eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 394eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 395eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 396eb99356a0548684a501766e6a524529ab93304c8Romain Guy 3978b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 3988b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 3998b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 4002542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 401746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 4028fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 4032542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 4045ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 4055ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 4065ec9924d24495822b589f1a17996655d66273b30Romain Guy } 4075ec9924d24495822b589f1a17996655d66273b30Romain Guy 4082542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 409d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 4105cbbce535744b89df5ecea95de21ee3733298260Romain Guy 411f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 412bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 413bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 414bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 415bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 4165c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 417eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 418eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 419d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 420af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 421e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 422e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 423e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 424e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 425e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 426e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 427e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 428e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 429e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 430e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 431e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 432e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 433e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 434a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 435a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 436e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 437d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 438d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 439d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 440dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 441d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 442d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 443bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 444bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 445bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 446bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 447f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy if (alpha >= 255) { 4488aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 4498b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 4508aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 4518aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 4528aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 4538b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 454d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 455bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 4571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 4581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 4591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 4601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 4611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 4621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 4631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 4651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 4661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 4671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 4681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 4691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 4701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 4711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 4736b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 4746b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 4756b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 4766b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 4771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 4791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 4801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 48187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 4821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 4831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 4841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 4861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 4871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 4881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 4891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 4901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 4921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 4931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 4941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 4951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 4961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 4971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 4991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 5001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 50187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 50287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 50387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 50487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 50587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 5061c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 507d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 508d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 509eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 510fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 511dda570201ac851dd85af3861f7e575721d3345daRomain Guy 512eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 513eb99356a0548684a501766e6a524529ab93304c8Romain Guy 514f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 515d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 5168aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 517d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect untransformedBounds(bounds); 518d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->transform->mapRect(bounds); 519d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 520d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // Layers only make sense if they are in the framebuffer's bounds 521d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (bounds.intersect(*mSnapshot->clipRect)) { 522d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // We cannot work with sub-pixels in this case 523d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.snapToPixelBoundaries(); 524d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 525d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // When the layer is not an FBO, we may use glCopyTexImage so we 526d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // need to make sure the layer does not extend outside the bounds 527d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // of the framebuffer 528d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (!bounds.intersect(mSnapshot->previous->viewport)) { 529ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 530d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else if (fboLayer) { 531d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.set(bounds); 532d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mat4 inverse; 533d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.loadInverse(*mSnapshot->transform); 534d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.mapRect(clip); 535d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.snapToPixelBoundaries(); 536d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (clip.intersect(untransformedBounds)) { 537d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.translate(-left, -top); 538d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.set(untransformedBounds); 539d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 540d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.setEmpty(); 541d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } 542ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 543d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 544d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.setEmpty(); 545eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 546bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 547746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 548d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.getHeight() > mCaches.maxTextureSize || 549d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase (fboLayer && clip.isEmpty())) { 550d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->empty = fboLayer; 551dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 552d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 553dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 554dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 555dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 556d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (mSnapshot->invisible || mSnapshot->empty) { 557b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 558b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 559dda570201ac851dd85af3861f7e575721d3345daRomain Guy 560a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 5618550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 562f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 563f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 564bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 565bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 5678aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 5689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 5699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 5709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 571a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 572dda570201ac851dd85af3861f7e575721d3345daRomain Guy 5738fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 574d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 575d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 5761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 577eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 578d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 579eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 580eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 5819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 582514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 5839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 585d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.left, mSnapshot->height - bounds.bottom, 5869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 5879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 588514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 589514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 590d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 591514fb18827186591d66973c2362c859b64b63556Romain Guy } 5927b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 59354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 59454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 595ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 596eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 597f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 598d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 599bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 600bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 601d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 6029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 6035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 604d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 605d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagFboTarget; 606d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 607d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsFboLayer; 608d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 609d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 610d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 611d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 612d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 613d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagDirtyOrtho; 614d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 6155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 6179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 6189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 6219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 6229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 6239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 6245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 6279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 6285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 6315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 6323762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Framebuffer incomplete (GL error code 0x%x)", status); 6335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 6359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 6375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 6415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 645586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 6468f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 6475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 6515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 6545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 6555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 6575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 6611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 6621d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 6631d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 6643762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 6651d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 6661d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6671d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 669eb99356a0548684a501766e6a524529ab93304c8Romain Guy 670eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 671e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 672e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 673e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy 674eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 675eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 676eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 677eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6781d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 6791d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 6801d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 682f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 6839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 6845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 6859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 686f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 687f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 68803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 6898b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 690a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 6915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 6935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 694eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 6969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 6979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 698171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 7009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 701171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 702171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 7049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 7059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 706eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 7071d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 708eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7099c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 7109c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 7119c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 7129c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 7139c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 714eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 715eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 7165c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 717eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 718eb99356a0548684a501766e6a524529ab93304c8Romain Guy 719746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 720746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 721eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 7228550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 7231d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 7249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 7251d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 7261d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 7271d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 7281d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 729aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 7309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 731aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 732302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 733302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 734302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 735302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 736302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 737302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 738aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 7399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7408f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 7418f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7428f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 7438f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 7448f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 745aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 746aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 7479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 748aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 749aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 750aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 7519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7538f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 7558f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 756ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 757ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 758ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 7599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 762d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 765d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 7679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 769aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 770aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 771aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 772aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 773aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 774302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 775302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 776302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 777302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 778aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 779aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 7805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 7819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 782aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 783aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 784aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 7855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 7879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 788b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 789ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 790b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 791b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 792b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 7939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 7949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 7959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 799d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 8009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 801d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 8029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 8049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 8059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 8069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 8079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 8089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 8095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 810aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 811aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 812aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 813aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 814aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 815aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 8165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 8195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 8209fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 8219fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 82240667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 8239fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 8245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 8265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8288a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 8298a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 830211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 8315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 8325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 8335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 8359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 8369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 837f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 8385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 8405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 8415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8427230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 8437230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 8447230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 845ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 8469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 8477230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 8487230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 8497230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 850ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 8519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 8529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 8539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 856d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 8579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 8589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 859d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 8609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 8619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 86215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 8635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 8655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 8665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 868f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 8695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 870f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 8715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 8735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 8775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 8795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 8815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 8835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 8845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 8885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8917230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 8925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 8955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 9023a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9033a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 9043a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 9053a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9063a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 9073a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 9083a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 9093a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 9103a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9113a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 9123a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 9133a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 9153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 9163a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 9173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 9183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 9213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 9223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 9233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 9253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 9263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 929f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 9315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 932f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 938f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 940f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9411bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 9421bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 9431bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 9441bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 9451bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 9461bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 9471bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 9481bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 9491bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 9505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 95454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 95554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 95654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 95754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 95854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 95954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 96054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 96154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 96254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 96354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 96454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 96554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 9668a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 96754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 96854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 96954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 97054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 97254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 97354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 97554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 97654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 97754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 97854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 97954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 98054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 98254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 98354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 98554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 98654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 98754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 98854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 98954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 99039d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 99154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 9938a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 9948a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 99554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 99654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 99754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 99854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 99954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 100054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 100254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 100354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1004bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1005f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1006f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1007f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1008f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 10098aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1010f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1011f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1012f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 10138aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1014f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1015f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1016f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 10178aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1018f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1019f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1020807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1021807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1022807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1023807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1024f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1025e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1026e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1027e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1028e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1029e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1030f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1031f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1032f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 10338aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1034f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1035f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1036f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1037e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1038e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1039e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1040e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1041f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1042f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1043f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1044f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1045f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1046f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1047bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1048e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1049e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 10508f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 10518a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 10528a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 10538a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 10548a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 10559d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 10569d5316e3f56d138504565ff311145ac01621dff4Romain Guy 10579d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1058079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1059bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1060bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 10618a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 10628a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 10638a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 10648a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 10658a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10668a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 10678a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mSnapshot->transform->mapRect(r); 10688a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 10698a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10708a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 10718a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 10728a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10738a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 10748a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 10758a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 1076c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1077af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1078dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1079dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1080dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 10811d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 10828aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1083d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1084d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1085d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1086d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1087d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1088586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1089586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 1090586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.setScissorEnabled(!clipRect.contains(r)); 1091586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1092586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1093586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1094c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1095c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1096079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1097079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 10987ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1099746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 11007ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 11018aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1102e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1103e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1104a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1105a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1106a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1107a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 110970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 111070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 111170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 111254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 11138a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 11148a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 111554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 111670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 111770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 111870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 111970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 112070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 112170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 112270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 112370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 112470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 112570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 112670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 112770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 112870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 112970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 113070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 113170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1132aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1133aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1134aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1135aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 113615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 113715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 113815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 113915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 11405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 114199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 11425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 11446ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craikvoid OpenGLRenderer::setupDrawAARect() { 11456ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mDescription.isAARect = true; 11466ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik} 11476ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1148ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1149ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1150ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1151ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1152ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 115370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 11548d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 11558d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11568d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 11578d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 11588d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 11596cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 11606cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 116170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1162fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1163fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1164fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 116570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 116670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 116770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 116870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 116986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 117086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 11716cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 11726cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 117386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 117486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 117586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 117686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 117786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 117886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 117986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 118086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 11814121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 11824121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 11834121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 11844121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 118570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 118670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 118770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 118870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 118970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 119070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 119170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 119270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 119470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 119570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 119670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 119770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 119870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 120070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 120170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 120270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 120370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1206f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1207f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1208f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1209f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 121054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1211f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1212f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1213f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 121470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1215f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1216f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1217f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 121870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 121970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 122070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 122270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1223f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1224f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1225f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 122670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 122770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 122870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 123170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 123270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 123570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 123670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 123970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 124070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 124170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 124270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 124370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 124470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 124570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 124670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 124770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 124870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 12518a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 12528d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12538d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 125470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 125570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 125670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 125770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 125870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 125970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 126070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 126170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 126286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 126386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 126486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 126586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 126686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 126786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 126886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 126986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 127086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 127186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 127270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 127370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1274ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1275ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1276ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1277ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1278ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 127970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 128055fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 128170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 128270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 128370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 128470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 128586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 12865536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 128786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 12885536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 12895536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 12905536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 129170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 129270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 129370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 129470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 129570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 129670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 129770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 129870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 129970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13008d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 13018d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 13028d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 13038d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 13048d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 13058d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 130670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 130770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 130870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 130970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 131070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13124121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 13134121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 13144121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 13154121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 131670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1317f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1318f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 131915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 132070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 132170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 132270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 132370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 13242d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 132515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 132670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 132770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1328aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1329aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 13302d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 133115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1332aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1333aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 13348f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 13358f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 13368f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 13378f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 13388f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1339aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1340aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1341aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1342aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 134370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1344f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 134570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1346f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 134770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1348f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 134970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1350d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1351f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 135215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 135315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 135415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 135515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 135615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 135715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 135815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 135915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 136015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 136115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 136215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 136315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 13648d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 136570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 136670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1368f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1369f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1370f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 137115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 13725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 13745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 13755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 137699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 137799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 137899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 137999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 138099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 138199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 138299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 138399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 13845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 138599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 13867b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1387f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1388f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1389f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1390f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 139115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1392d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13937b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 139499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 139599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1396d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13977b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 139899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 139999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1400d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 14015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 140299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 14037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 14047b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 14057b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 14067b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 14077b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 14085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 14095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 141070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 141170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 141270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 141370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1414f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1415f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1416f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14171271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 141833f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1419b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 14200fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 14210fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 142204c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 14231271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 14240fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 14257b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 14266554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 14270fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 14280fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1429ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1430ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1431ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1432ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1433ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1434ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1435a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1436a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1437a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1438a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1439a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1440a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1441a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1442a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1443e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1444a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1445a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1446a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1447a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1448a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1449e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1450d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1451d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1452a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1453a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1454a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1455a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 14565b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 14575b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 14585b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1459a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1460a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1461a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1462a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1463a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1464e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1465a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1466d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1467d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1468e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1469a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1470a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1471a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1472a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1473a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1474a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1475a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1476a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1477a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1478a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1479486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 14806926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 14816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 14826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 14836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1484486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 14856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1487a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14888164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1489486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 149022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 149122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1492211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1493a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1494a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1495a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1496a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1497486590963e2207d68eebd6944fec70d50d41116aChet Haase 1498486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 14998ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 15008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1501486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1502f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1503f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1504f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1505f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 15066926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1507486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15086926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15096926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1510a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15118164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1512486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 151322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 151422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 15155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 15165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 15175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 15185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 15195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 15205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1521486590963e2207d68eebd6944fec70d50d41116aChet Haase 1522486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1523f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1524f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1525486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1526e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1527e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1528e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1529e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1530486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1531e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1532e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1533e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1534e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1535e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1536e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1537e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1538486590963e2207d68eebd6944fec70d50d41116aChet Haase 1539486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1540e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1541e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1542486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 15435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 15445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 15455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1546486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1549a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1551486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 15525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1553e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1554d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1555d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 15565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 15585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 15595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 15605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 15625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1563b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1564b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1565b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1566b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1567b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1568211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 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 (hasActiveLayer) { 1600b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1601b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1602b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1603b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1604b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1605b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 16065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1609b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1610b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1611b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1612b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 16135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 16145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1615b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 1616486590963e2207d68eebd6944fec70d50d41116aChet Haase 1617486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 16185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 16195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1620486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 16218ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 16228ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 16235c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 16246926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 1625486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16266926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16276926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1628a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16298164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1630486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 163122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 16328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16338ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 16348ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1635c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 16366816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 16376816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 16386816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 16396816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1640c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 164103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 16428ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 16438ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 164403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 164503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 164603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 164703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1648d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1649d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1650211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 16516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 16526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 16536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1654b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1655631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1656631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1657d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1658b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1659b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1660d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 16616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 16626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 16636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 16656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1666d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 16676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 16686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 16706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16718ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16728ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1673486590963e2207d68eebd6944fec70d50d41116aChet Haase 1674486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1675ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1676ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1677486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 16784bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 16795c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 1680be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 1681be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 1682be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 1683be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1684be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 1685be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 1686be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 1687be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1688be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1689be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1690be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 16916926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1692486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16936926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16946926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1695be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 1696be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1697a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16988164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1699486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 170022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1701d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1702d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1703f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 17042728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 17054bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1706f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1707211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 17086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 17095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 17108168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1711c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1712c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 17135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 17145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 17158ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1716211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1717c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1718c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1719c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 17206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1721c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1722c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 17236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 17245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 17255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 17265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1727211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 17286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 17296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 17306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 17316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 17326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17336620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 17346620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 17366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 17376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 17396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1741054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1742486590963e2207d68eebd6944fec70d50d41116aChet Haase 1743486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1744f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1745f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 174699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1747858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 17486ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * We expand the rectangle by a half pixel in screen space on all sides. However, instead of using 17496ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * a fragment shader to compute the translucency of the color from its position, we simply use a 17506ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * varying parameter to define how far a given pixel is into the region. 1751858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1752858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1753181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1754858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1755858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 175604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 1757858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1758211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 1759858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1760858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1761858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1762858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 17639147cd4ac56d53dec6da1ef13dd04ba1eec1a7dfChris Craik float m11 = mat->data[Matrix4::kScaleY]; 1764858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1765858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1766858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1767858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1768858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1769858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1770858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1771858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1772858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 17736ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerLeft = left + boundarySizeX; 17746ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerRight = right - boundarySizeX; 17756ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerTop = top + boundarySizeY; 17766ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerBottom = bottom - boundarySizeY; 17776ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1778858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1779858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1780858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1781858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1782858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1783858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 178404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickReject(left, top, right, bottom)) { 178504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDraw(); 178604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawNoTexture(); 17876ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik setupDrawAARect(); 178804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 178904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorFilter(); 179004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawShader(); 179104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawBlending(true, mode); 179204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawProgram(); 179304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawModelViewIdentity(true); 179404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorUniforms(); 179504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorFilterUniforms(); 179604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawShaderIdentityUniforms(); 1797858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 17986ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex rects[14]; 17996ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex* aVertices = &rects[0]; 18006ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik void* alphaCoords = ((GLbyte*) aVertices) + gVertexAlphaOffset; 18016ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 18026ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik bool force = mCaches.unbindMeshBuffer(); 18036ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 18046ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik aVertices, gAlphaVertexStride); 18056ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mCaches.resetTexCoordsVertexPointer(); 18066ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mCaches.unbindIndicesBuffer(); 18076ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 18086ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik int alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 18096ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 18106ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 18116ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 18126ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw left 18136ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, left, bottom, 0); 18146ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerBottom, 1); 18156ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, left, top, 0); 18166ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerTop, 1); 18176ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 18186ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw top 18196ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, right, top, 0); 18206ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerTop, 1); 18216ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 18226ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw right 18236ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, right, bottom, 0); 18246ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerBottom, 1); 18256ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 18266ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw bottom 18276ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, left, bottom, 0); 18286ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerBottom, 1); 18296ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 18306ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw inner rect (repeating last vertex to create degenerate bridge triangles) 18316ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // TODO: also consider drawing the inner rect without the blending-forced shader, if 18326ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // blending is expensive. Note: can't use drawColorRect() since it doesn't use vertex 18336ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // buffers like below, resulting in slightly different transformed coordinates. 18346ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerBottom, 1); 18356ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerTop, 1); 18366ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerBottom, 1); 18376ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerTop, 1); 1838858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1839858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 184004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 18416ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, 14); 18427b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18436ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 184404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 1845858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1846858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1847858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 184899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 184999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 185099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 185199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 185299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 185399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 185499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 185599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 185699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 185799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 185899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 185999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 186099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 186199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 186299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 186399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 186499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 1865486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 1866486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 18678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 186999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 187099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 187199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 18728a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 18738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 18748a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 18757b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 187699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 187799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 187899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 18797b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18808a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 18818a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 18827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18838a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 18845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 18855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1886c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 188799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 188899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 188999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 189099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 189199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 189299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 189399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 1894211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 189599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 189699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 189799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 189899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 18999147cd4ac56d53dec6da1ef13dd04ba1eec1a7dfChris Craik float m11 = mat->data[Matrix4::kScaleY]; 19007b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1901211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 1902211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 19037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 190499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 190599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 19067b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 190799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 190899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 190999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 191099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 19115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 19138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 191404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 191504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 191604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 19178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 191815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 19198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19208a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 19218a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19228a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 19238a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 19248a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 1925211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 19268a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 19278a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 19288a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 19298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 19308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 19318a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 19328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 193499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 193599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 19365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 193799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 19385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19397b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19407b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 19417b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 19427b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 19445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 19457b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 194699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 194799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 19487b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1949211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 19505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 19515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 195299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 195399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 195499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 19555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 19565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 195799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 195899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 19598f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik float boundaryWidthProportion = .5 - 1 / (2 * halfStrokeWidth); 19607b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 19617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 19625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 196499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 196599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1966740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 196799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 196899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 19697b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 19715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 19725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 19735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 19747b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 197599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 197699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 197799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 19785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 198099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 19818a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19828a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19838a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 19848a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 19858a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 19868a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 19878a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 19888a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19898a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 19905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19917b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 199299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 199399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 199499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 199599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 199699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 199799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 199899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 199999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 200099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 200199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 20027b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 200399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 200499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 200599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 200699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 20075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20087b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 20105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 20115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 20125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 201399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 201499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 201599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 201699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 201799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 20187b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 201999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 202099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 202199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 202299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 20238f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - abLength / (length + abLength); 202499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 20258f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - .5 / (length + 1); 202699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20277b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 202899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 202999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 203099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 203199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 203299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 20345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 20355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 20365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 20375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 20385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 203999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 20415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 20425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 20435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 20445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 204504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickRejectNoScissor(left, top, right, bottom)) { 20465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 20475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 20485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 20525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 20535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20567b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 20595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 20605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 20617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 20635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 206599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 206699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 206799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 206899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 206999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 207099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 207199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20727b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 207399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 207499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20757b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 207699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 207799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 207899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 20797b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 208099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 208199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 20835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 208799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 208899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 208999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 20905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20927b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 209399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 209499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 209599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 209699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 20977b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 20995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 21005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21017b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 210299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 210399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 210499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 21055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21077b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 21095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 21105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21117b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21127b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 21137b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 21147b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 2115486590963e2207d68eebd6944fec70d50d41116aChet Haase 2116486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 21175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 21185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2119486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2120486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2121ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2122ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2123ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2124ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 21255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2126ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 21278a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2128ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 21298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 21308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 21318a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 21328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 21338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2134ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2135ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2136ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2137ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2138ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2139ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2140ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2141ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2142ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2143ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 214404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 214504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 214604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 214704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2148ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 214915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 21508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2151ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2152ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2153ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2154ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2155ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 21568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2157ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2158ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2159ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2160ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2161ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2162ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2163ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2164ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2165ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 21667b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 21688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 21698a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 21708a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 21717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21728a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2173ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2174ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2175ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2176486590963e2207d68eebd6944fec70d50d41116aChet Haase 2177486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2178ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2179ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2180486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2181e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2182486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2183e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2184ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2185ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 218670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 21873d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2188486590963e2207d68eebd6944fec70d50d41116aChet Haase 2189486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2190c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 21919d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2192486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2193486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2194486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 219501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 219601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 219701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 219801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 219901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 220001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2201486590963e2207d68eebd6944fec70d50d41116aChet Haase 2202486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 220301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 220401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2205486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2206c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 2207486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 220801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2209a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2210c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2211c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2212486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2213c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 221401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2215486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2216486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2217c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2218a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 221901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2220486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(x - radius, y - radius, texture, paint); 2221c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 222201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2223486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2224486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2225486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 222601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2227a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2228c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2229486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2230c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2231c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2232486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 22338b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 2234486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 22358b2f5267f16c295f12faab810527cd6311997e34Romain Guy 22368b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2237486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawOval(left, top, right, bottom, paint); 22388b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 22398b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2240a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22418b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 22428b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 2243486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 22448b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 22458b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2246486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2247c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2248486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2249c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2250a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2251c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2252486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 225301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 225401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2255486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2256c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2257486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawRectAsShape(left, top, right, bottom, p); 2258c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2259c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 22606926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2261486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2264026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2265746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2266a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2267a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2268a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2269a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2270a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2271a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2272a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2273026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2274026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2275026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2276181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2277858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2278858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2279858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2280858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2281486590963e2207d68eebd6944fec70d50d41116aChet Haase 2282486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2283c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 22849d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2285416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2286416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2287416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2288416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2289416a847633680d94efb926837efdc18726d54918Raph Levien 2290416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2291416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2292416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2293416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2294416a847633680d94efb926837efdc18726d54918Raph Levien paint, text, bytesCount, count, mShadowRadius, positions); 2295416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2296416a847633680d94efb926837efdc18726d54918Raph Levien 2297416a847633680d94efb926837efdc18726d54918Raph Levien const float sx = x - shadow->left + mShadowDx; 2298416a847633680d94efb926837efdc18726d54918Raph Levien const float sy = y - shadow->top + mShadowDy; 2299416a847633680d94efb926837efdc18726d54918Raph Levien 2300416a847633680d94efb926837efdc18726d54918Raph Levien const int shadowAlpha = ((mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2301416a847633680d94efb926837efdc18726d54918Raph Levien int shadowColor = mShadowColor; 2302416a847633680d94efb926837efdc18726d54918Raph Levien if (mShader) { 2303416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2304416a847633680d94efb926837efdc18726d54918Raph Levien } 2305416a847633680d94efb926837efdc18726d54918Raph Levien 2306416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2307416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2308416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2309416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2310416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2311416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2312416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2313416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2314416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2315416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2316416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2317416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2318416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2319416a847633680d94efb926837efdc18726d54918Raph Levien 2320416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2321416a847633680d94efb926837efdc18726d54918Raph Levien} 2322416a847633680d94efb926837efdc18726d54918Raph Levien 2323486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2324eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2325671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 23269c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2327486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2328eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2329eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2330671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2331671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2332486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2333671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2334671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2335671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2336671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2337671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2338671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2339671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2340671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2341671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2342671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2343b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2344671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2345671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2346671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2347671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2348671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2349671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2350671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2351416a847633680d94efb926837efdc18726d54918Raph Levien if (CC_UNLIKELY(mHasShadow)) { 2352416a847633680d94efb926837efdc18726d54918Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2353416a847633680d94efb926837efdc18726d54918Raph Levien 0.0f, 0.0f); 2354416a847633680d94efb926837efdc18726d54918Raph Levien } 2355416a847633680d94efb926837efdc18726d54918Raph Levien 2356671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2357671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2358671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2359671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2360671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2361671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2362671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2363671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 23644121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2365671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2366671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2367671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2368671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2369671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2370671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2371671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2372671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2373671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2374671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2375671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2376671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 23774121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2378671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2379671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2380671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2381671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2382211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2383671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2384671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2385671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2386671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2387671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2388671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2389671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2390671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2391671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2392671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2393486590963e2207d68eebd6944fec70d50d41116aChet Haase 2394486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2395eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2396eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2397c25259519f1b74bb62a2b051b74537f073436b5cRomain Guystatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2398996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2399671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 24009c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2401486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2402e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2403e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2404a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2405e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2406e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2407e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2408e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2409e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2410e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2411e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2412e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2413e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2414e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2415e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2416cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2417cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 241833f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2419486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2420cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2421cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 24223a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 24233a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 24246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2425211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 24266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 24276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 24286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2430ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 2431c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy ALOGD("OpenGLRenderer drawText() with FontID=%d", 2432996e57c84368058be793897ebc355b917a59abc2Raph Levien SkTypeface::UniqueID(paint->getTypeface())); 2433ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2434eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2435b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2436b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2437fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2438e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 243986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 244086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 244186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 24429d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2443211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 2444996e57c84368058be793897ebc355b917a59abc2Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2445996e57c84368058be793897ebc355b917a59abc2Raph Levien oldX, oldY); 24461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 24471e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 24486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 24496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 24506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 24516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 24526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 245416c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2455a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 245686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 24574121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 245886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 245986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 246086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 246186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 246286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 246386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 246486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 246586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 246616c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 246716c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 246886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 246986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 247086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 247186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 24724121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 247306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 24746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 24755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 24765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2477211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2478894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2479996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 24808b4072d3fb9bb49d774d97689a065204beca1752Raph Levien if (paint->getTextAlign() != SkPaint::kLeft_Align) { 24818b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 24828b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 24838b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2484996e57c84368058be793897ebc355b917a59abc2Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2485996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 24868b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 24878b4072d3fb9bb49d774d97689a065204beca1752Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2488996e57c84368058be793897ebc355b917a59abc2Raph Levien } 24894ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 24904ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (status && hasActiveLayer) { 24914ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (!pureTranslate) { 24924ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy mSnapshot->transform->mapRect(bounds); 24935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 24944ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 24955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2496694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 24973a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2498486590963e2207d68eebd6944fec70d50d41116aChet Haase 2499486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2500694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2501694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2502486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2503325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 250403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 250503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2506486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 250703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 250803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2509b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 251003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 251103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 251203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 251303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 251403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 251503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 251603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 251703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 251803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 25194121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 252003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 252103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 252203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 252303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 252403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 252503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 252603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 25279777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 252803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 252903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 253003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 25319777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 25324121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 25339777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 25349777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 25359777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 253603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 25379777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 25389777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 25399777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 25409777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 25419777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 25429777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 25439777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 25449777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 25459777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2546486590963e2207d68eebd6944fec70d50d41116aChet Haase 2547486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2548325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2549325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2550486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2551486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2552dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2553a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25547fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 255533f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2556fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2557486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 255822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 25597fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 25608b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 25618b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 25628b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 256301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2564486590963e2207d68eebd6944fec70d50d41116aChet Haase 2565486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 25667fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 25677fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2568486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2569ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 2570486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 25716c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 25726c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25734ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy bool debugLayerUpdate = false; 25744ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 25752bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 25762bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy OpenGLRenderer* renderer = layer->renderer; 25772bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy Rect& dirty = layer->dirtyRect; 25782bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 25792bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy interrupt(); 25802bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 25812bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 25821271e2cc80b01d577e9db339459ef0222bb9320dChet Haase renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 25832bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->finish(); 25842bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy resume(); 25852bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 25862bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy dirty.setEmpty(); 25872bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->deferredUpdateScheduled = false; 25882bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->renderer = NULL; 25892bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->displayList = NULL; 25904ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 25914ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy debugLayerUpdate = mCaches.debugLayersUpdates; 25922bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 25932bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 2594a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25956c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2596211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2597c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 259840667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2599c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 2600d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase const float a = layer->getAlpha() / 255.0f; 2601d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase SkiaColorFilter *oldFilter = mColorFilter; 2602d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase mColorFilter = layer->getColorFilter(); 2603c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2604c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2605c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 26068168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2607c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 26089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2609c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2610c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2611c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 26129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2613211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 26144ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int tx = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 26154ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int ty = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 26169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2617d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 26184ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 26194ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 26209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2621d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 26229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 26239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 26249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2625c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2626c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2627c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2628c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2629c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2630c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 26313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 2632d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase mColorFilter = oldFilter; 2633d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 26343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 26353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 26363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2637c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 26384ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 26394ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (debugLayerUpdate) { 26404ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 26414ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 26424ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 2643f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2644486590963e2207d68eebd6944fec70d50d41116aChet Haase 2645486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 26466c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 26476c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 26486926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2649d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2650d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2651d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2652d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 265306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 265406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 265506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 265606f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 265706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 265806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2659fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 266006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 26617fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 26627fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2663d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2664db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2665db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2666db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2667db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2668db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2669db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2670db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2671db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2672db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2673db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2674db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2675db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 26761e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 26771e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 26781e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26791e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 26801e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 26811e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 26821e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26831e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 26841e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 26851e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 26861e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 26871e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 26881e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 26891e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 26901e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26911e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 26925ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 26935ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 26945ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26955ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 26965ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 26975ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26985ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26995ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 27005ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 27015ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 27025ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 27035ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27045ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27055ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2706dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 27075ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27085ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 27095ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27105ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 27115ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 27125ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27135ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 27145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27165ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 27176926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 27186926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 27196926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 272001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 272101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 272201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 272301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 272401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 272501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 272601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 272701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 272801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 272901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 273001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 273101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 273201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 273301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 273401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 273501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 273601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 273701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 273801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 273901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 274001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 274101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 274201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 274301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 274401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 274501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 274601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 274701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 274801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2749f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 27500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 27510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 27520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 27530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 27550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 27560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 27570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 27580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2759726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 27600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 27610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 27620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2763726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 27640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2766211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2767726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2768f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 27690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27708b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 27710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2772e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2773f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2774f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2775f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2776f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2777f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2778e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2779e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 27800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 27820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2783e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2784e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2785e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2786e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 27870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 27900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2791e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2792e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2793e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2794e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 27950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2796e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2797726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2798e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2799726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 28000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 28030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2804026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 28051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2806d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 280706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2808d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2809d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2810d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 281170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 281215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 28139c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 281470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 281570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 281670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 281770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 281870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 281970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 282070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 282170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 282270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2823c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2824c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2825c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2826c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 282782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 28288164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 282982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 283082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 283182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 283282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2833d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 28348164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2835211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 28366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 28376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 28386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2839d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 28406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 28416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 28426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 28436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2844d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 28456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 28466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 28476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 28486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 284985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 285085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2851bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2852a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2853a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 285403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2855f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2856f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2857f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2858a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 28596820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 28605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 28618694230ff25fa0a60e480d424843e56b718f0516Romain Guy 286270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 286370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 286470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 286570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 286670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 286770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 286870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 286970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2870db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 28715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 287270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 287303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 287470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2875db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 287686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 287770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 287870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 287970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2880db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 28816820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 288270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 288370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 288482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 288582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2886a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2887f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 288882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 2889c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 289082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 289182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 289282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 289382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 289482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 289582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 289633fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 2897211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 2898a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2899f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2900a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 290182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 290282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 290382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 290482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 290582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 290682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 290782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 290882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 2909a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 291082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 291182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 291282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 291382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 291482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 291582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 291682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 291782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 291882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 291982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 292082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 292182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 292282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 292382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2924fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 292582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 292682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2927fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2928bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2929bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2930889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2931d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2932fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2933d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2934fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 29356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2936260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 29376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2938260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2939260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2940026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2941ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 294282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 294382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 294482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 294582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 29468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 29478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 29485c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 2949be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 2950db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 2951026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2952026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 29539d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2954e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2955