OpenGLRenderer.cpp revision c3fedafc5f50100219449125a000e3138f6fb987
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" 36710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik#include "PathRenderer.h" 3787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy#include "Properties.h" 38a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 39e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 40e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 419d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 459d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 469d5316e3f56d138504565ff311145ac01621dff4Romain Guy 47759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 48759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 49759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 50f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 51dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 52713e1bb9df6bdfc21bd5c40d1a6ecf6c822a4be5Romain Guy#define FILTER(paint) (!paint || paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 53d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 569d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 579d5316e3f56d138504565ff311145ac01621dff4Romain Guy 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 65889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 66889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 68026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 69026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 832ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 842ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 85026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 86e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 90f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1042ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1052ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 106f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 107f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 110f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 111f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 112fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 114db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 1165ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 117026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 118ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 119ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 120ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 12187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 12287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = false; 123e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 124e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12629d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12729d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 128e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 129e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 13087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::initProperties() { 13187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy char property[PROPERTY_VALUE_MAX]; 13287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (property_get(PROPERTY_DISABLE_SCISSOR_OPTIMIZATION, property, "false")) { 13387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled = !strcasecmp(property, "true"); 13487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization %s", 13587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mScissorOptimizationDisabled ? "disabled" : "enabled"); 13687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 13787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy INIT_LOGD(" Scissor optimization enabled"); 13887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 13913631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 14013631f3da855f200a151e7837ed9f6b079622b58Romain Guy 14113631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 142f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 143f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 144f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14549c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 14649c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 14749c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 14849c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 14985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 15035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy initViewport(width, height); 15135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 15235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 15335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 15435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 15535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 15635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 15735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 15835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::initViewport(int width, int height) { 159260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 160bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 161bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 162bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 163eb99356a0548684a501766e6a524529ab93304c8Romain Guy 164eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 165eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 166e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 167e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1687c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::prepare(bool opaque) { 16944b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1707d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1717d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 172c3fedafc5f50100219449125a000e3138f6fb987Romain Guystatus_t OpenGLRenderer::prepareDirty(float left, float top, 173c3fedafc5f50100219449125a000e3138f6fb987Romain Guy float right, float bottom, bool opaque) { 174fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 175fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1768aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1778aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17884962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1798fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 180f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1817d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 18241308e2936c768103d0e9c82500e97938d6797f1Romain Guy mDirtyClip = true; 183ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 18411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayers(); 18511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 186dcfc836b457a87881da409e1acf251515f121446Romain Guy discardFramebuffer(left, top, right, bottom); 18745e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 188ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 1897d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 19054c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // Functors break the tiling extension in pretty spectacular ways 19154c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // This ensures we don't use tiling when a functor is going to be 19254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy // invoked during the frame 19354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy mSuppressTiling = mCaches.hasRegisteredFunctors(); 19454c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 1952b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mTilingSnapshot = mSnapshot; 19657b5268708c3b974296c7d4e58a02a957979224aRomain Guy startTiling(mTilingSnapshot, true); 1972b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 1987c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 1997c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 2007c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy return clear(left, top, right, bottom, opaque); 2017c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy} 2027c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy 203dcfc836b457a87881da409e1acf251515f121446Romain Guyvoid OpenGLRenderer::discardFramebuffer(float left, float top, float right, float bottom) { 204dcfc836b457a87881da409e1acf251515f121446Romain Guy // If we know that we are going to redraw the entire framebuffer, 205dcfc836b457a87881da409e1acf251515f121446Romain Guy // perform a discard to let the driver know we don't need to preserve 206dcfc836b457a87881da409e1acf251515f121446Romain Guy // the back buffer for this frame. 207dcfc836b457a87881da409e1acf251515f121446Romain Guy if (mCaches.extensions.hasDiscardFramebuffer() && 208dcfc836b457a87881da409e1acf251515f121446Romain Guy left <= 0.0f && top <= 0.0f && right >= mWidth && bottom >= mHeight) { 209dcfc836b457a87881da409e1acf251515f121446Romain Guy const GLenum attachments[] = { getTargetFbo() == 0 ? (const GLenum) GL_COLOR_EXT : 210c3fedafc5f50100219449125a000e3138f6fb987Romain Guy (const GLenum) GL_COLOR_ATTACHMENT0, GL_STENCIL_EXT }; 211dcfc836b457a87881da409e1acf251515f121446Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 212dcfc836b457a87881da409e1acf251515f121446Romain Guy } 213dcfc836b457a87881da409e1acf251515f121446Romain Guy} 214dcfc836b457a87881da409e1acf251515f121446Romain Guy 2157c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guystatus_t OpenGLRenderer::clear(float left, float top, float right, float bottom, bool opaque) { 2166b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 217586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 218ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 2196b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 22044b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 221ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 22244b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 2237c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy mCaches.resetScissor(); 22444b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 225ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 226ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 227ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 228ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 229ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 230ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 231ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 232ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 233ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2346b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 235bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 236bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 23757b5268708c3b974296c7d4e58a02a957979224aRomain Guyvoid OpenGLRenderer::startTiling(const sp<Snapshot>& s, bool opaque) { 23854c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) { 23954c1a64d5441a964890b44280e4457e11f4f924aRomain Guy Rect* clip = mTilingSnapshot->clipRect; 240c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (s->flags & Snapshot::kFlagFboTarget) { 241c3fedafc5f50100219449125a000e3138f6fb987Romain Guy clip = &s->layer->clipRect; 24254c1a64d5441a964890b44280e4457e11f4f924aRomain Guy } 24354c1a64d5441a964890b44280e4457e11f4f924aRomain Guy 244c3fedafc5f50100219449125a000e3138f6fb987Romain Guy startTiling(*clip, s->height, opaque); 245c3fedafc5f50100219449125a000e3138f6fb987Romain Guy } 246c3fedafc5f50100219449125a000e3138f6fb987Romain Guy} 247c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 248c3fedafc5f50100219449125a000e3138f6fb987Romain Guyvoid OpenGLRenderer::startTiling(const Rect& clip, int windowHeight, bool opaque) { 249c3fedafc5f50100219449125a000e3138f6fb987Romain Guy if (!mSuppressTiling) { 250c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mCaches.startTiling(clip.left, windowHeight - clip.bottom, 251c3fedafc5f50100219449125a000e3138f6fb987Romain Guy clip.right - clip.left, clip.bottom - clip.top, opaque); 2522b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 2532b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2542b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2552b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 25654c1a64d5441a964890b44280e4457e11f4f924aRomain Guy if (!mSuppressTiling) mCaches.endTiling(); 2572b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2582b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 259b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 2607c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 2612b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 2622b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 26311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 264b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 26511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy GLenum status = GL_NO_ERROR; 26611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 26711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGD("GL error from OpenGLRenderer: 0x%x", status); 26811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy switch (status) { 26911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_ENUM: 27011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_ENUM"); 27111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 27211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_VALUE: 27311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_VALUE"); 27411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 27511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_OPERATION: 27611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_OPERATION"); 27711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 27811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_OUT_OF_MEMORY: 27911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" Out of memory!"); 28011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 28111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 282a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 283b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 28411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 285c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 286e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 28711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 28811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 28911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 29011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 291c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 29211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 293b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 294b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2956c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 296da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 297da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 298da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 299da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 300da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 301da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 30250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 30315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 304f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 30515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 3067c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 307da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 308da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 3096c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 31008837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 31108837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 31235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3137c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 31435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3153e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 3163e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 3178025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 318586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 31982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 320746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 321da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 322a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 32350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 32450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 32550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 32650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 32750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 328da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 329da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 33035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 33135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 33235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 33335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3347c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 33535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 33635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 33735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 33835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 33935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 340ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 341932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 342ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3438f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 344ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 345ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 346ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3478f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 348ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 349ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 3503d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 3518f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 352ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 353d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik interrupt(); 354ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 355ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 356ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 357ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 358ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 359ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 360ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 361ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 362ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 363ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 364ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 365ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 366ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 367ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 368ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 369ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 370ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 371c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 372ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 373ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 374c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 375ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 376c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 377c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 3788f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3798f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 380d15321bbf57ff7a4615076fefcee5e196c4fc796Chris Craik resume(); 3818f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3828f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3838f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 3848f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 3858f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3868f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 387daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 388932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 389c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 3908a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mCaches.enableScissor(); 391f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 392f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 393f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 394d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 39580911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 39680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 39780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 398d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 399d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 400d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 401d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 402d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 403d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 40408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 40508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 40608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 40708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 40808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 40908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 4107b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 4117b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 41208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 41380911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 414486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 415cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 4168f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 41708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 418cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 4198f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 42065924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 421ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 4228f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 423cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 424cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 425daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 4266554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 427daf98e941e140e8739458126640183b9f296a2abChet Haase} 428daf98e941e140e8739458126640183b9f296a2abChet Haase 429f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 43087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy// Debug 43187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 43287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 43387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 43487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.startMark(0, name); 43587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 43687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 43787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::endMark() const { 43887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.endMark(); 43987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 44087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 44187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 44287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 44387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (clear) { 44487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.disableScissor(); 44587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.clear(); 44687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 44787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (enable) { 44887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugWrite(); 44987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } else { 45087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 45187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 45287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 45387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 45487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 45587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guyvoid OpenGLRenderer::renderOverdraw() { 45687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 45787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy const Rect* clip = mTilingSnapshot->clipRect; 45887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 45987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.enableScissor(); 46087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissor(clip->left, mTilingSnapshot->height - clip->bottom, 46187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy clip->right - clip->left, clip->bottom - clip->top); 46287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 46387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(2); 46487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f0000ff, SkXfermode::kSrcOver_Mode); 46587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(3); 46687e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x2f00ff00, SkXfermode::kSrcOver_Mode); 46787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4); 46887e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x3fff0000, SkXfermode::kSrcOver_Mode); 46987e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.enableDebugTest(4, true); 47087e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy drawColor(0x7fff0000, SkXfermode::kSrcOver_Mode); 47187e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.stencil.disable(); 47287e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy } 47387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy} 47487e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy 47587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy/////////////////////////////////////////////////////////////////////////////// 47611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 47711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 47811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 47911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 48011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 48111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy OpenGLRenderer* renderer = layer->renderer; 48211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 48311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4847c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 4857c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 4867c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 4877c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 48811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 49011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 49111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 49211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->finish(); 49311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 49511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 49611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startTiling(mSnapshot); 49711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 49811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy dirty.setEmpty(); 50011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->deferredUpdateScheduled = false; 50111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->renderer = NULL; 50211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->displayList = NULL; 5035bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = mCaches.debugLayersUpdates; 50411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 50611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 50711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 50911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 51011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 51111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 51211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 51311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 51411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startMark("Layer Updates"); 51511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 51611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // Note: it is very important to update the layers in reverse order 51711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (int i = count - 1; i >= 0; i--) { 51811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 51911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 52011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcount(layer); 52111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 52211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 52311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 52411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 52511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 52611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 52711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 52811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 52911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 53011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 53111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 53211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 53311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 53411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 53511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 53611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 53711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 53811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 53911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 54011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 54111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 54211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 54311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 54411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 54511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 54611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 54711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 54811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 549f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 550f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 551f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 552bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 5537ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 554bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 555bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 556bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 5578aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 558bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 559bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 560bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 5612542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 5622542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 5637ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 564bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 565bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 566bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 5678fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 568bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5698fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 5702542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 5717ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 572bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 573bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5748aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 5758aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 5768fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 577bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 578bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 579bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 5807ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 581bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 582eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 583bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 584bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 5857ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 586bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 587eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 588eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 589eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 590eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 591eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 592eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5938b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 5948b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 5958b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 5962542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 597746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 5988fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 5992542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 6005ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 6015ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 6025ec9924d24495822b589f1a17996655d66273b30Romain Guy } 6035ec9924d24495822b589f1a17996655d66273b30Romain Guy 6042542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 605d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 6065cbbce535744b89df5ecea95de21ee3733298260Romain Guy 607f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 608bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 609bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 610bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 611bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 6125c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 613eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 614eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 615d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 616af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 617e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 618e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 619e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 620e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 621e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 622710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mode = getXfermode(p->getXfermode()); 623a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 624e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 625d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 626d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 627d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 628dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 629d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 630d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 631bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 632bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 633bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 634bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 635f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy if (alpha >= 255) { 6368aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 6378b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 6388aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 6398aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 6408aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 6418b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 642d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 643bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 6441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 6461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 6471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 6481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 6491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 6501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 6511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 6531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 6541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 6551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 6561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 6571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 6581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 6591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 6616b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 6626b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 6636b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 6646b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 6651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 6671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 6681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 66987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 6701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 6711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 6721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 6741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 6751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 6761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 6771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 6781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 6801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 6811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 6821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 6831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 6841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 6851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 6871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 6881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 68987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 69087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 69187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 69287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 69387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 6941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 695d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 696d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 697eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 698fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 699dda570201ac851dd85af3861f7e575721d3345daRomain Guy 700eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 701eb99356a0548684a501766e6a524529ab93304c8Romain Guy 702f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 703d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 7048aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 705d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect untransformedBounds(bounds); 706d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->transform->mapRect(bounds); 707d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 708d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // Layers only make sense if they are in the framebuffer's bounds 709d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (bounds.intersect(*mSnapshot->clipRect)) { 710d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // We cannot work with sub-pixels in this case 711d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.snapToPixelBoundaries(); 712d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 713d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // When the layer is not an FBO, we may use glCopyTexImage so we 714d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // need to make sure the layer does not extend outside the bounds 715d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // of the framebuffer 716d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (!bounds.intersect(mSnapshot->previous->viewport)) { 717ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 718d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else if (fboLayer) { 719d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.set(bounds); 720d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mat4 inverse; 721d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.loadInverse(*mSnapshot->transform); 722d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.mapRect(clip); 723d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.snapToPixelBoundaries(); 724d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (clip.intersect(untransformedBounds)) { 725d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.translate(-left, -top); 726d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.set(untransformedBounds); 727d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 728d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.setEmpty(); 729d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } 730ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 731d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 732d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.setEmpty(); 733eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 734bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 735746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 736d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.getHeight() > mCaches.maxTextureSize || 737d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase (fboLayer && clip.isEmpty())) { 738d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->empty = fboLayer; 739dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 740d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 741dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 742dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 743dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 744d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (mSnapshot->invisible || mSnapshot->empty) { 745b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 746b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 747dda570201ac851dd85af3861f7e575721d3345daRomain Guy 748a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7498550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 750f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 751f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 752bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 753bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 7549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 7558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 7569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 7579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 7589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 759a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 7607c25aab491707f7324f9941b8cfa9bd2b4b97e76Romain Guy layer->setDirty(false); 761dda570201ac851dd85af3861f7e575721d3345daRomain Guy 7628fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 763d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 764d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 7651d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 766eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 767d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 768eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 769eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 7709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 771514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 7729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 7739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 774d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.left, mSnapshot->height - bounds.bottom, 7759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 7769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 777514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 778514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 779d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 780514fb18827186591d66973c2362c859b64b63556Romain Guy } 7817b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 78254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 78354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 784ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 785eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 786f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 787d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 788bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 789bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 790d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 791c3fedafc5f50100219449125a000e3138f6fb987Romain Guy layer->clipRect.set(clip); 7929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 7935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 794d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 795c3fedafc5f50100219449125a000e3138f6fb987Romain Guy mSnapshot->flags |= Snapshot::kFlagFboTarget | Snapshot::kFlagIsFboLayer | 796c3fedafc5f50100219449125a000e3138f6fb987Romain Guy Snapshot::kFlagDirtyOrtho; 797d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 798d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 799d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 800d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 801d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 802d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 8035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8042b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8057c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 8065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 8079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 8089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 8095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 8119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 8129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 8139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 8145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 8179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 8185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 819c3fedafc5f50100219449125a000e3138f6fb987Romain Guy startTiling(mSnapshot, !layer->isBlend()); 8205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 822586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 8238f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 8245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 8255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 8265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 8315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 8325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 8391d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 8401d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 8413762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8421d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8431d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8441d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Layer* layer = current->layer; 8468ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const Rect& rect = layer->layer; 8475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 848eb99356a0548684a501766e6a524529ab93304c8Romain Guy 849eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8502b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8512b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 852e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 853e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 8548ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 8558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->removeFbo(false); 8568ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 857eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 858eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 8597c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 8602b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 8612b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(previous); 862eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 863eb99356a0548684a501766e6a524529ab93304c8Romain Guy 8649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 865f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 8669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 8675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 8689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 869f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 870f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 87103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 8728b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 873a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 877eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 8799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 8809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 881171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 8839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 884171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 885171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 8879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 8889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 889eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 8901d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 891746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 892746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 893eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 8948550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 8951d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 896603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 8971d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8981d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 8991d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 900aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 9019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 902aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 903aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 9049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9058f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 9068f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9078f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 9088f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 9098f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 910aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 911aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 9129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 913aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 914aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 915aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 9169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9188f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9208f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 921ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 922ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 923ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 9249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 9259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 9269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 927d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 930d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 9329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 934aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 935aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 936aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 937aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 938aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 939aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 940aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 9429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 943aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 944aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 945aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 9465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 9489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 949b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 950ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 951b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 952b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 953b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 9549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 9559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 9569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 9579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 9589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 960d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 9619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 962d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 9639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 9659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 9669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 9679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 9689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 9699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 9705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 971aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 972aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 973aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 974aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 975aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 976aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 9775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 9805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 9819fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 9829fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 98340667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 9849fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 9855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 9865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 9875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9898a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 9908a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 991211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 9925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 9935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 9945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 9969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 9979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 998f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 9995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setupDraw(); 10018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 10028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // We must get (and therefore bind) the region mesh buffer 10038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // after we setup drawing in case we need to mess with the 10048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // stencil buffer in setupDraw() 10055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 10065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 10075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10087230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 10097230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1010ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 10119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 10127230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 10137230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 10147230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 1015ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 10169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 10179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 10189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 10199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 10209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1021d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 10229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 10239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1024d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 10259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 10269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 102715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 10285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 10305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 10315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 1033f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 10345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 1035f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 10365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 10385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 10395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 10405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 10415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 10425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 10445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 10465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 10485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 10495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 10535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10567230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 10575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10593a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 10605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 10615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 10635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10663a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 10673a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10683a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 10693a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 10703a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10713a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 10723a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 10733a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 10743a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 10753a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10763a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 10773a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 10783a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10793a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 10803a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 10813a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 10823a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 10833a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 10843a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10853a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 10863a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 10873a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 10883a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 10893a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 10903a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 10913a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::drawRegionRects(const SkRegion& region, int color, 10938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkXfermode::Mode mode, bool dirty) { 10948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy int count = 0; 10958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Vector<float> rects; 10968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 10978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion::Iterator it(region); 10988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy while (!it.done()) { 10998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy const SkIRect& r = it.rect(); 11008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fLeft); 11018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fTop); 11028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fRight); 11038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy rects.push(r.fBottom); 11048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy count++; 11058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy it.next(); 11068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 11078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawColorRects(rects.array(), count, color, mode, true, dirty); 11098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 11108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 11115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 11125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1113f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 11145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 11155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1116f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 11175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 11215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1122f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 11235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1124f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 11251bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 11261bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 11271bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 11281bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 11291bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 11301bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 11311bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 11321bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 11331bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 11345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 113854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 113954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 114054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 114154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 114254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 114354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 114454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 114554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 114654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 114754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 114854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 114954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 11508a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 115154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 115254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 115354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 115454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 115554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 115654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 115754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 115854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 115954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 116054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 116154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 116254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 116354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 116454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 116554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 116654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 116754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 116854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 116954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 117054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 117154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 117254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 117354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 117439d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 117554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 117654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 11778a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 11788a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 117954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 118054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 118154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 118254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 118354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 118454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 118554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 118654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 118754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1188bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1189f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1190f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1191f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1192f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 11938aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1194f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1195f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1196f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 11978aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1198f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1199f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1200f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 12018aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1202f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1203f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1204807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1205807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1206807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1207807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1208f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1209e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1210e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1211e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1212e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1213e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1214f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1215f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1216f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 12178aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1218f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1219f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1220f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1221e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1222e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1223e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1224e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1225f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1226f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1227f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1228f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1229f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1230f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1231bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1232e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1233e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 12348f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 12358a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 12368a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 12378a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 12388a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 12399d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 12409d5316e3f56d138504565ff311145ac01621dff4Romain Guy 12418ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::ensureStencilBuffer() { 12428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Thanks to the mismatch between EGL and OpenGL ES FBO we 12438ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // cannot attach a stencil buffer to fbo0 dynamically. Let's 12448ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // just hope we have one when hasLayer() returns false. 12458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (hasLayer()) { 12468ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy attachStencilBufferToLayer(mSnapshot->layer); 12478ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 12488ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 12498ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12508ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::attachStencilBufferToLayer(Layer* layer) { 12518ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The layer's FBO is already bound when we reach this stage 12528ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!layer->getStencilRenderBuffer()) { 1253c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // GL_QCOM_tiled_rendering doesn't like it if a renderbuffer 1254c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // is attached after we initiated tiling. We must turn it off, 1255c3fedafc5f50100219449125a000e3138f6fb987Romain Guy // attach the new render buffer then turn tiling back on 1256c3fedafc5f50100219449125a000e3138f6fb987Romain Guy endTiling(); 1257c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 12588ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // TODO: See Layer::removeFbo(). The stencil renderbuffer should be cached 12598ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy GLuint buffer; 12608ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy glGenRenderbuffers(1, &buffer); 12612055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy 12628ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy layer->setStencilRenderBuffer(buffer); 12632055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy layer->bindStencilRenderBuffer(); 12642055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy layer->allocateStencilRenderBuffer(); 12652055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy 12662055abaa0a590c35e27e1ae2e7d7cfccdfb98b59Romain Guy glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, buffer); 1267c3fedafc5f50100219449125a000e3138f6fb987Romain Guy 1268c3fedafc5f50100219449125a000e3138f6fb987Romain Guy startTiling(layer->clipRect, layer->layer.getHeight(), !layer->isBlend()); 12698ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 12708ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 12718ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12728ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::setStencilFromClip() { 12738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mCaches.debugOverdraw) { 12748ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 12758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: The order here is important, we must set dirtyClip to false 12768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // before any draw call to avoid calling back into this method 12778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mDirtyClip = false; 12788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy ensureStencilBuffer(); 12808ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableWrite(); 12828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Clear the stencil but first make sure we restrict drawing 12848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // to the region's bounds 12858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool resetScissor = mCaches.enableScissor(); 12868ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) { 12878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The scissor was not set so we now need to update it 12888ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setScissorFromClip(); 12898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 12908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.clear(); 12918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (resetScissor) mCaches.disableScissor(); 12928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // NOTE: We could use the region contour path to generate a smaller mesh 12948ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Since we are using the stencil we could use the red book path 12958ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // drawing technique. It might increase bandwidth usage though. 12968ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 12978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // The last parameter is important: we are not drawing in the color buffer 12988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // so we don't want to dirty the current layer, if any 12998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0xff000000, SkXfermode::kSrc_Mode, false); 13008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.enableTest(); 13028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 13038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mCaches.stencil.disable(); 13048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 13078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13089d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1309079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1310bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1311bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 13128a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 13138a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 13148a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 13158a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 13168a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13178a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 13188a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mSnapshot->transform->mapRect(r); 13198a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 13208a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13218a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 13228a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 13238a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 13248a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 13258a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 13268a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 132735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, 132835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect& transformed, Rect& clip) { 132935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (mSnapshot->isIgnored()) { 133035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return true; 133135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 133235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 133335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.set(left, top, right, bottom); 133435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mSnapshot->transform->mapRect(transformed); 133535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.snapToPixelBoundaries(); 133635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 133735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.set(*mSnapshot->clipRect); 133835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.snapToPixelBoundaries(); 133935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 134035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return !clip.intersects(transformed); 134135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 134235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 1343672433d90fab7383cd28beac9d4485b566a90940Romain Guybool OpenGLRenderer::quickRejectPreStroke(float left, float top, float right, float bottom, 1344672433d90fab7383cd28beac9d4485b566a90940Romain Guy SkPaint* paint) { 1345cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (paint->getStyle() != SkPaint::kFill_Style) { 1346cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = paint->getStrokeWidth() * 0.5f; 1347cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left - outset, top - outset, right + outset, bottom + outset); 1348cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 1349cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik return quickReject(left, top, right, bottom); 1350cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 1351cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik} 1352cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 1353c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1354bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik if (mSnapshot->isIgnored() || bottom <= top || right <= left) { 1355dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1356dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1357dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 13581d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 13598aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1360d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1361d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1362d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1363d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1364d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1365586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1366586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 136787e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clipRect.contains(r)); 1368586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1369586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1370586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1371c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1372c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 13738ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guyvoid OpenGLRenderer::debugClip() { 1374735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy#if DEBUG_CLIP_REGIONS 13758ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!isDeferred() && !mSnapshot->clipRegion->isEmpty()) { 13768ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy drawRegionRects(*mSnapshot->clipRegion, 0x7f00ff00, SkXfermode::kSrcOver_Mode); 13778ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 13788ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy#endif 13798ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy} 1380735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 13818ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 13828ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (CC_LIKELY(mSnapshot->transform->rectToRect())) { 13838ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 13848ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 13858ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 1386735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 13878ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 13887ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 13898ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13908ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath path; 13918ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path.addRect(left, top, right, bottom); 13928ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 13938ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return clipPath(&path, op); 1394e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1395e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1396735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipPath(SkPath* path, SkRegion::Op op) { 13978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkMatrix transform; 13988ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy mSnapshot->transform->copyTo(transform); 13998ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14008ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkPath transformed; 14018ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy path->transform(transform, &transformed); 14028ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14038ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion clip; 14048ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (!mSnapshot->clipRegion->isEmpty()) { 14058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy clip.setRegion(*mSnapshot->clipRegion); 14068ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } else { 14078ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy Rect* bounds = mSnapshot->clipRect; 14088ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy clip.setRect(bounds->left, bounds->top, bounds->right, bounds->bottom); 14098ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14108ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14118ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkRegion region; 14128ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy region.setPath(transformed, clip); 14138ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy 14148ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(region, op); 14158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 14168ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 14178ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14188ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1419735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1420735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1421735738c4ddf3229caa5f6e634bf591953ac29944Romain Guybool OpenGLRenderer::clipRegion(SkRegion* region, SkRegion::Op op) { 14228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy bool clipped = mSnapshot->clipRegionTransformed(*region, op); 14238ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (clipped) { 14248ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy dirtyClip(); 14258ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy } 14268ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy return !mSnapshot->clipRect->isEmpty(); 1427735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 1428735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 1429a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1430a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1431a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1432a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1433f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 143470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 143570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 143670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 143754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 14388a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 14398a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 144054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 14418ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // Make sure setScissor & setStencil happen at the beginning of 14428ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy // this method 144370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 144470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 14458ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy setStencilFromClip(); 144670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 144770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 144870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 144970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 145070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 145170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 145270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 145370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 145470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 145570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 145670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 145770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 145870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 145970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1460aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1461aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1462aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1463aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 146415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 146515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 146615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 146715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1468710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawAA() { 146999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 14705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 14715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1472710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikvoid OpenGLRenderer::setupDrawVertexShape() { 1473710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mDescription.isVertexShape = true; 14746ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik} 14756ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1476ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1477ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1478ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1479ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1480ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 14818d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 14828d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1483886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1484886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1485886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 148670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 148770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 148870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 148970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 149086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 149186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1492886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1493886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1494886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 149586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 149686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 149786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 149886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 14994121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 15004121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 15014121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 15024121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 150370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 150470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 150570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 150670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 150770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 150870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 150970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 151070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 151170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 151270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 151370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 151470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 151570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 151670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 151770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 151870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 151970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 152070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 152170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 152270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 152370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1524f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1525f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1526f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1527f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 152854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1529f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1530f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1531f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 153270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1533f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1534f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1535f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 153670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 153770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 153870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 153970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 154070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1541f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1542f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1543f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1544e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()) || 1545e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy (mColorFilter && mColorFilter->blend()), mode, mDescription, swapSrcDst); 154670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 154770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 154870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 154970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 155070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 155170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 155270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 155370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 155470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 155570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 155670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 155770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 155870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 155970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 156070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 156170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 156270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 156370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 156470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 156570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 156670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 156770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 15688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 15698a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 15708d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 15718d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 157270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 157370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 157470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 157570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 157670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 157770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 157870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 157970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 158086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 158186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 158286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 158386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 158486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 158586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 158686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 158786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 158886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 158986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 159070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 159170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1592ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1593ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1594ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1595ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1596ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 159770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 159855fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 159970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 160070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 160170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 160270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 160386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 16045536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 160586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 16065536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 16075536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 16085536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 160970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 161070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 161170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 161270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 161370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 161470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 161570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 161670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 161770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16188d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 16198d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 16208d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 16218d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 16228d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 16238d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 162470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 162570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 162670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 162770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 162870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 162970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16304121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 16314121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 16324121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 16334121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 163470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1635f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1636cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 163715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 163870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 163970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 164070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 164170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 16422d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 164315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 164470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 164570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1646aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1647aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 16482d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 164915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1650aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1651aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 16528f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 16538f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 16548f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 16558f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 16568f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1657aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1658aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1659aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1660aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 166170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1662f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 166370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1664f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 166570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1666f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 166770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1668d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1669cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 167015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1671cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 167215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 167315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 167415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 167515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 167615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 167715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 167815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 1679cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 168015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1681cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 16828d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 168370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1686f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1687cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 168815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 16895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 16905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 16915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 16925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 169399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 169499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 169599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 169699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 169799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 169899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 169999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 170099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 17015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 170299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 17037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1704f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1705cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gAAVertexStride); 1706f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 170715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1708d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 17097b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 171099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 171199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1712d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 17137b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 171499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 171599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1716d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 17175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 171899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 17197b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 17207b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 17217b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 17227b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 17237b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 17245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 17255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 172670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 172770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 172870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 172970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1730f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1731f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1732f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 17331271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 173433f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1735b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 17360fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 17370fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 173804c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 17391271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 17400fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 17417b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 17426554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 17430fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 17440fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1745ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1746ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1747ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1748ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1749ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1750ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1751a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1752a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1753a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1754a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1755a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1756886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 1757886b275e529e44a59c54b933453d9bc902973178Romain Guy 1758a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1759a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1760a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1761886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1762886b275e529e44a59c54b933453d9bc902973178Romain Guy 1763a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1764a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1765a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1766a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1767a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1768a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1769886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 1770886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1771886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(FILTER(paint), true); 17725b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1773e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1774886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 1775886b275e529e44a59c54b933453d9bc902973178Romain Guy paint != NULL, color, alpha, mode, (GLvoid*) NULL, 1776886b275e529e44a59c54b933453d9bc902973178Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 1777a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1778a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1779486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 17806926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 17816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 17826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 17836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1784486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 17856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 17866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1787a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 17888164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1789486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 179022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 179122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1792211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1793a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1794a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1795a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1796a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1797486590963e2207d68eebd6944fec70d50d41116aChet Haase 1798486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 17998ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 18008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1801486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1802f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1803f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1804f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1805f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 18066926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1807486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18086926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18096926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1810a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 18118164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1812486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 181322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 181422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 18155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 18165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 18175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 18185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 1819886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1820886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, 0.0f, 0.0f, paint); 1821886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1822886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 1823886b275e529e44a59c54b933453d9bc902973178Romain Guy } 18245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1825486590963e2207d68eebd6944fec70d50d41116aChet Haase 1826486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1827f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1828f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1829486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1830e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1831e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1832e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1833e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1834486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1835e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1836e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1837e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1838e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1839e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1840e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1841886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1842886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, left, top, paint); 1843886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1844886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1845886b275e529e44a59c54b933453d9bc902973178Romain Guy } 1846486590963e2207d68eebd6944fec70d50d41116aChet Haase 1847486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1848e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1849e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1850486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 18515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 18525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1853486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 18555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1856b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1857b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1858b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1859b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1860b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1861a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 1862b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1863a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1864a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 18655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 1866a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 18675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 18685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 18695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 18705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 18715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 18725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 18735a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 18745a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 18755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 18765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 18775a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 18785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 18795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 18805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 18815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 18825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 18835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 18845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 18855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 18865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 18875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 18885a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 18895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 18905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 18915a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1892b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1893a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1894a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1895a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1896a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 18975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 18985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 18995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1900a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (quickReject(left, top, right, bottom)) { 1901a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 1902a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 1903a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1904a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy mCaches.activeTexture(0); 1905a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1906a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 1907a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 1908a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1909a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1910a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setFilter(FILTER(paint), true); 1911a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1912a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 1913a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 1914a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1915a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1916a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 1917b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1918b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1919b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 19205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 19215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1922b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 1923486590963e2207d68eebd6944fec70d50d41116aChet Haase 1924486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 19255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 19265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1927486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 19288ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 19298ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 19305c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 19316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 1932486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 19336926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 19346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1935a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 19368164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1937486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 193822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 19398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 19408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 19418ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1942c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 19436816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 19446816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 19456816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 19466816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1947c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 194803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 19498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 19508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 195103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 195203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 195303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 195403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1955d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1956d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1957886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 1958886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 19596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1960886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 1961886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 1962886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 1963886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 1964886b275e529e44a59c54b933453d9bc902973178Romain Guy bool useScaleTransform = mShader && scaled; 1965886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 1966b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1967886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate() && !useScaleTransform)) { 1968886b275e529e44a59c54b933453d9bc902973178Romain Guy float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 1969886b275e529e44a59c54b933453d9bc902973178Romain Guy float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 1970886b275e529e44a59c54b933453d9bc902973178Romain Guy 1971886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 1972886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 1973886b275e529e44a59c54b933453d9bc902973178Romain Guy 1974886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 1975886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 1976886b275e529e44a59c54b933453d9bc902973178Romain Guy 1977886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(scaled ? FILTER(paint) : GL_NEAREST, true); 1978886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 19796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1980d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 1981886b275e529e44a59c54b933453d9bc902973178Romain Guy } 1982886b275e529e44a59c54b933453d9bc902973178Romain Guy 1983886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 1984886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 1985886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 1986886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 1987886b275e529e44a59c54b933453d9bc902973178Romain Guy 1988886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 1989886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 1990886b275e529e44a59c54b933453d9bc902973178Romain Guy 1991886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 1992886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 1993886b275e529e44a59c54b933453d9bc902973178Romain Guy } 1994886b275e529e44a59c54b933453d9bc902973178Romain Guy 1995886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1996886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint ? paint->getColor() : 0; 1997886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 1998886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, paint != NULL, color, alpha, mode, 1999886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2000886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 2001886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 2002886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 2003886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 2004886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 2005886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 2006886b275e529e44a59c54b933453d9bc902973178Romain Guy } 2007886b275e529e44a59c54b933453d9bc902973178Romain Guy 2008886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 2009886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 20106620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 20118ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 20128ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 2013486590963e2207d68eebd6944fec70d50d41116aChet Haase 2014486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2015ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 2016ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 2017486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 20184bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 20195c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 2020be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 2021be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 2022be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 2023be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2024be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 2025be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 2026be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 2027be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2028be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 2029be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 2030be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 20316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2032486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 20336926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2035be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 2036be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 2037a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20388164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 2039486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 204022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 2041d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2042d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 2043f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 20442728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 20454bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 2046f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2047211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 20486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 20495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 20508168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 2051c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 2052c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 20535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 20545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 20558ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2056211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2057c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2058c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2059c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 20606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2061c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 2062c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 20636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 20645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 20655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 20665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2067211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 20686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 20696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 20706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 20716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 20726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 20736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 20746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 20756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 20766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 20776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 20786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 20796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 20806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2081054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2082486590963e2207d68eebd6944fec70d50d41116aChet Haase 2083486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2084f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2085f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 208699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 2087cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 2088cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 2089cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 2090cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 2091cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 2092cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * 2093cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik * Doesn't yet support joins, caps, or path effects. 2094858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 2095cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craikvoid OpenGLRenderer::drawConvexPath(const SkPath& path, SkPaint* paint) { 2096cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik int color = paint->getColor(); 2097cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik SkPaint::Style style = paint->getStyle(); 2098cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 2099cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik bool isAA = paint->isAntiAlias(); 2100cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik 2101710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik VertexBuffer vertexBuffer; 2102710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: try clipping large paths to viewport 2103cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik PathRenderer::convexPathVertices(path, paint, mSnapshot->transform, vertexBuffer); 210404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2105bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik if (!vertexBuffer.getSize()) { 2106bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 2107bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik return; 2108bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2109bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 2110710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2111710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2112710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 2113710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawVertexShape(); 2114710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 2115710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilter(); 2116710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShader(); 2117710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawBlending(isAA, mode); 2118710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 2119cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik setupDrawModelViewIdentity(); 2120710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorUniforms(); 2121710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilterUniforms(); 2122710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShaderIdentityUniforms(); 2123858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2124710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* vertices = vertexBuffer.getBuffer(); 2125710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2126cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2127710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 2128710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.unbindIndicesBuffer(); 21296ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2130710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2131710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2132710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2133710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 21346ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2135710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 21366ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 21376ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2138710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 21396ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2140cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik SkRect bounds = PathRenderer::computePathBounds(path, paint); 2141710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, *mSnapshot->transform); 214204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2143710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getSize()); 21447b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2145710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 21466ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 214704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 2148858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2149858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2150858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 215199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 215299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 215399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 215499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 215599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 215699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 215799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 215899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 215999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 216099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 216199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 216299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 216399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 216499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 216599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 216699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 216799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 2168486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 2169486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 21708a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 21718a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 217299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 217399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 217499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 21758a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 21768a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 21778a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 21787b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 217999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 218099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 218199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 21827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21838a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 21848a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 21857b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21868a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 21875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 21885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 2189c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 219099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 219199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 219299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 219399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 219499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 219599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 219699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 2197211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 219899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 219999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 220099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 220199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 22029147cd4ac56d53dec6da1ef13dd04ba1eec1a7dfChris Craik float m11 = mat->data[Matrix4::kScaleY]; 22037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2204211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 2205211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 22067b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 220799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 220899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 22097b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 221099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 221199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 221299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 221399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 22145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 22168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 221704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 221804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 221904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 22208a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 222115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 22228a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 2223710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawAA(); 22248a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 22258a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 22268a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 22278a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 2228211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 22298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 2230b30cb10a0c75c2295e89b1b30d91a73f38ee09fbChris Craik setupDrawModelViewIdentity(true); 22318a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 22328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 22338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 22348a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 22358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 22368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 223799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 223899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 22395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 224099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 22415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22427b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22437b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 22447b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 22457b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 22475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 22487b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 224999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 225099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 22517b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2252211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 22535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 22545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 225599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 225699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 225799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 22585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 22595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 226099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 226199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 22628f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik float boundaryWidthProportion = .5 - 1 / (2 * halfStrokeWidth); 22637b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 22647b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 22655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 226799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 226899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 2269740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 227099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 227199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 22727b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 22745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 22755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 22765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 22777b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 227899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 227999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 228099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 22815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 22825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 228399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 228475040f8a7727f18bb33da23696a32a0760926ff2Chris Craik float x = n.x; 228575040f8a7727f18bb33da23696a32a0760926ff2Chris Craik n.x = -n.y; 228675040f8a7727f18bb33da23696a32a0760926ff2Chris Craik n.y = x; 228775040f8a7727f18bb33da23696a32a0760926ff2Chris Craik 22888a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 22898a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 22908a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 22918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 22928a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 22938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 22948a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 22958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 22968a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 22975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22987b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 229999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 230099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 230199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 230299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 230399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 230499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 230599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 230699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 230799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 230899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 23097b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 231099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 231199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 231275040f8a7727f18bb33da23696a32a0760926ff2Chris Craik boundaryWidthProportion = .5 - extendedNLength / (halfStrokeWidth + extendedNLength); 231399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 23145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 23157b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 231699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 231799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 231899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 231999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 232099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 23217b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 232299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 232399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 232499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 232599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 23268f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - abLength / (length + abLength); 232799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 23288f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - .5 / (length + 1); 232999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 23307b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 233199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 233299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 233399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 233499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 233599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 23365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 23375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 23385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 23395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 23405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 23415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 234299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 23435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 23445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 23455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 23465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 23475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 234804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickRejectNoScissor(left, top, right, bottom)) { 23495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 23505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 23515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 23525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 23535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 23545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 23555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 23565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 23575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 23585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 23597b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 23605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 23615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 23625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 23635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 23647b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 23655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 23665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 23675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 236899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 236999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 237099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 237199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 237299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 237399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 237499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 23757b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 237699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 237799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 23787b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 237999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 238099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 238199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 23827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 238399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 238499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 23855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 23865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 23875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 23885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 23895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 239099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 239199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 239299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 23935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 23945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 23957b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 239699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 239799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 239899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 239999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 24007b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 24015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 24025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 24035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 24047b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 240599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 240699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 240799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 24085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 24095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 24107b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 24115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 24125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 24135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 24147b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 24157b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 24167b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 24177b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 2418486590963e2207d68eebd6944fec70d50d41116aChet Haase 2419486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 24205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 24215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2422486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2423486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2424ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2425ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2426ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2427ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 24285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2429ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 24308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2431ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 24328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 24338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 24348a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 24358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 24368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2437ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2438ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2439ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2440ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2441ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2442ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2443ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2444ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2445ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2446ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 244704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 244804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 244904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 245004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2451ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 245215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 24538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2454ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2455ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2456ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2457ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2458ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 24598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2460ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2461ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2462ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2463ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2464ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2465ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2466ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2467ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2468ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 24697b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 24708a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 24718a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 24728a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 24738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 24747b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 24758a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2476ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2477ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2478ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2479486590963e2207d68eebd6944fec70d50d41116aChet Haase 2480486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2481ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2482ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2483486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2484e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2485486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2486e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2487ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2488ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 248970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 24903d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2491486590963e2207d68eebd6944fec70d50d41116aChet Haase 2492486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2493c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 24949d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2495486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2496486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2497486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 249801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 249901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 250001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 250101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 250201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 250301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2504486590963e2207d68eebd6944fec70d50d41116aChet Haase 2505486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 250601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 250701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2508486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2509710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik float rx, float ry, SkPaint* p) { 2510cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2511710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2512710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 251301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2514cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2515710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2516710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2517710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2518710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2519710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2520710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2521710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2522710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2523cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2524cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = p->getStrokeWidth() / 2; 2525cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(outset, outset); 2526cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rx += outset; 2527cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik ry += outset; 2528cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2529710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRoundRect(rect, rx, ry); 2530cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik drawConvexPath(path, p); 2531710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2532710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDrew; 2533c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 253401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2535710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p) { 2536cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(x - radius, y - radius, 2537cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik x + radius, y + radius, p)) { 2538710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2539710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2540cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2541710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2542710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, p); 2543710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2544710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2545710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2546710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2547cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2548cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2549cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2550cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2551cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2552cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik drawConvexPath(path, p); 2553710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2554710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDrew; 2555c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 255601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2557486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2558710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPaint* p) { 2559cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2560710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2561710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 256201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2563cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2564710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2565710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, p); 2566710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2567710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2568710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2569710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2570710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2571cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2572cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2573cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2574710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 2575cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik drawConvexPath(path, p); 2576710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2577710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDrew; 2578c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2579c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2580486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2581780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik float startAngle, float sweepAngle, bool useCenter, SkPaint* p) { 2582780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2583780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2584780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 25858b2f5267f16c295f12faab810527cd6311997e34Romain Guy 25868b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2587780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawOval(left, top, right, bottom, p); 25888b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 25898b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2590780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 2591e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || 2592e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy p->getStrokeCap() != SkPaint::kButt_Cap || useCenter) { 2593780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2594780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 2595780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2596780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2597780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2598780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2599780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2600780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2601780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2602780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2603780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2604780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2605780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2606780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2607780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2608780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2609780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2610780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2611780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2612780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik drawConvexPath(path, p); 2613780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2614780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDrew; 26158b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 26168b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2617cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2618cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2619cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2620486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2621cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2622486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 26236926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 26246926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2625710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2626cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2627cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2628cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2629cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2630cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2631cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.rectShapeCache.getRect(right - left, bottom - top, p); 2632cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2633cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2634cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2635cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2636cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2637cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2638cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2639cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2640cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 2641cf8675ee176a375f873792684d38a47f78348dffRomain Guy drawConvexPath(path, p); 2642cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2643cf8675ee176a375f873792684d38a47f78348dffRomain Guy return DrawGlInfo::kStatusDrew; 2644026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2645026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2646181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2647710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2648710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 2649cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik drawConvexPath(path, p); 2650858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2651710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawColorRect(left, top, right, bottom, p->getColor(), getXfermode(p->getXfermode())); 2652858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2653486590963e2207d68eebd6944fec70d50d41116aChet Haase 2654486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2655c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 26569d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2657416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2658416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2659416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2660416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2661416a847633680d94efb926837efdc18726d54918Raph Levien 2662416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2663416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2664416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2665416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2666416a847633680d94efb926837efdc18726d54918Raph Levien paint, text, bytesCount, count, mShadowRadius, positions); 2667416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2668416a847633680d94efb926837efdc18726d54918Raph Levien 2669416a847633680d94efb926837efdc18726d54918Raph Levien const float sx = x - shadow->left + mShadowDx; 2670416a847633680d94efb926837efdc18726d54918Raph Levien const float sy = y - shadow->top + mShadowDy; 2671416a847633680d94efb926837efdc18726d54918Raph Levien 2672416a847633680d94efb926837efdc18726d54918Raph Levien const int shadowAlpha = ((mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2673416a847633680d94efb926837efdc18726d54918Raph Levien int shadowColor = mShadowColor; 2674416a847633680d94efb926837efdc18726d54918Raph Levien if (mShader) { 2675416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2676416a847633680d94efb926837efdc18726d54918Raph Levien } 2677416a847633680d94efb926837efdc18726d54918Raph Levien 2678416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2679416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2680416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2681416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2682416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2683416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2684416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2685416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2686416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2687416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2688416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2689416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2690416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2691416a847633680d94efb926837efdc18726d54918Raph Levien 2692416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2693416a847633680d94efb926837efdc18726d54918Raph Levien} 2694416a847633680d94efb926837efdc18726d54918Raph Levien 2695486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2696eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2697671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 26989c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2699486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2700eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2701eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2702671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2703671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2704486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2705671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2706671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2707671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2708671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2709671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2710671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2711671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2712671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2713671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2714671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2715b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2716e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy fontRenderer.setFont(paint, *mSnapshot->transform); 2717671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2718671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2719671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2720671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2721671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2722416a847633680d94efb926837efdc18726d54918Raph Levien if (CC_UNLIKELY(mHasShadow)) { 2723e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2724e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy alpha, mode, 0.0f, 0.0f); 2725416a847633680d94efb926837efdc18726d54918Raph Levien } 2726416a847633680d94efb926837efdc18726d54918Raph Levien 2727671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2728671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2729671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2730671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2731671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2732671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2733671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2734671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 27354121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2736671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2737671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2738671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2739671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2740671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2741671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2742671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2743671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2744671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2745671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2746671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2747671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 27484121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2749671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2750671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2751671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2752671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2753211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2754671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2755671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2756671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2757671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2758671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2759671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2760671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2761671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2762671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2763671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2764486590963e2207d68eebd6944fec70d50d41116aChet Haase 2765486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2766eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2767eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2768c25259519f1b74bb62a2b051b74537f073436b5cRomain Guystatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2769996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2770671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 27719c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2772486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2773e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2774e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2775a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2776e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2777e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2778e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2779e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2780e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2781e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2782e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2783e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2784e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2785e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2786e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2787cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2788cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 278933f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2790486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2791cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2792cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 2793e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy#if DEBUG_GLYPHS 2794e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy ALOGD("OpenGLRenderer drawText() with FontID=%d", 2795e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy SkTypeface::UniqueID(paint->getTypeface())); 2796e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy#endif 2797e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 2798e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2799e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy fontRenderer.setFont(paint, *mSnapshot->transform); 2800e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 28013a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 28023a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 28036620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2804211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 28056620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 28066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 28076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 28086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 280986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 281086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 281186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 28129d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2813211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 2814996e57c84368058be793897ebc355b917a59abc2Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2815996e57c84368058be793897ebc355b917a59abc2Raph Levien oldX, oldY); 28161e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 28171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 28186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 28196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 28206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 28216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 28226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 28235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 282416c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2825a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 282686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 28274121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 282886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 282986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 283086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 283186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 283286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 283386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 283486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 283586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 283616c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 283716c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 283886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 283986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 284086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 284186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 28424121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 284306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2844a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : 2845a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy (mSnapshot->hasPerspectiveTransform() ? NULL : &mSnapshot->getLocalClip()); 28465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 28475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2848211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2849894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2850996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 2851a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 28528b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 28538b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 28548b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2855a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy positions, hasActiveLayer ? &bounds : NULL); 2856996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 28578b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2858a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy positions, hasActiveLayer ? &bounds : NULL); 2859996e57c84368058be793897ebc355b917a59abc2Raph Levien } 28604ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 28614ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (status && hasActiveLayer) { 28624ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (!pureTranslate) { 28634ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy mSnapshot->transform->mapRect(bounds); 28645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 28654ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 28665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2867694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 28683a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2869486590963e2207d68eebd6944fec70d50d41116aChet Haase 2870486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2871694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2872694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2873486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2874325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 287503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 287603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2877486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 287803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 287903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2880b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2881e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy fontRenderer.setFont(paint, *mSnapshot->transform); 288203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 288303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 288403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 288503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 288603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 288703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 288803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 28894121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 289003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 289103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 289203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 289303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 289403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 289503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 289603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 28979777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 289803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 289903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 290003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 29019777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 29024121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 29039777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29049777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 29059777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 290603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 29079777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 29089777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 29099777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 29109777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 29119777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 29129777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 29139777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 29149777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 29159777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2916486590963e2207d68eebd6944fec70d50d41116aChet Haase 2917486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2918325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2919325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2920486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2921486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2922dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2923a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29247fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2925fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2926486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 292722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 29287fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 29298b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 29308b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 29318b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 293201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2933486590963e2207d68eebd6944fec70d50d41116aChet Haase 2934486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 29357fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 29367fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2937486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 293835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2939486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 29406c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 29416c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2942b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 2943b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 2944b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 2945b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 2946b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy save(0); 2947b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mSnapshot->transform->multiply(*transform); 2948b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2949b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2950b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 295135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect transformed; 295235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect clip; 295335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 295435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), transformed, clip); 29554ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 295635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 2957b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2958b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2959b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 296035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 296135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 296235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 29635bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 29642bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 296587e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clip.contains(transformed)); 2966a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29676c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2968211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2969e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy SkiaColorFilter* oldFilter = mColorFilter; 2970e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy mColorFilter = layer->getColorFilter(); 2971e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 2972c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 297340667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2974c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 2975d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase const float a = layer->getAlpha() / 255.0f; 2976c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2977c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 29788168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2979c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 29809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2981c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2982c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2983c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 29849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2985211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 29864ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int tx = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 29874ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int ty = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 29889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2989d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 29904ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 29914ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 29929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2993d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 29949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 29959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 29969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2997c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2998c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2999c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 3000c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 3001c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 3002c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 30033a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 30043a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 30053a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 30063a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 3007c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 30084ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 3009e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy mColorFilter = oldFilter; 3010e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 30115bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 30125bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 30134ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 30144ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 30154ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 3016f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 3017486590963e2207d68eebd6944fec70d50d41116aChet Haase 3018b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 3019b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 3020b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 3021b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 3022486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 30236c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 30246c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 30256926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 3026d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 3027d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 3028d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 3029d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 303006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 303106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 303206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 303306f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 303406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 303506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 3036fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 303706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 30387fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 30397fac2e18339f765320d759e8d4c090f92431959eRomain Guy 3040d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 3041db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 3042db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 3043db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3044db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 3045db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 3046db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 3047db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3048db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 3049db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 3050db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 3051db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 3052db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 30531e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 30541e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 30551e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 30561e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 30571e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 30581e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 30591e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 30601e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 30611e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 30621e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 30631e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 30641e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 30651e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 30661e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 30671e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 30681e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 30695ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 30705ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 30715ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30725ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 30735ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 30745ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30755ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30765ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 30775ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 30785ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 30795ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 30805ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30815ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30825ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 3083dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 30845ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30855ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 30865ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30875ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 30885ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 30895ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30905ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 30915ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 30925ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 30935ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 30946926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 30956926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 30966926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 309701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 309801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 309901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 310001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 310101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 310201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 310301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 310401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 310501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 310601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 310701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 310801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 310901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 311001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 311101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 311201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 311301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 311401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 311501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 311601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 311701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 311801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 311901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 312001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 312101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 312201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 312301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 312401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 312501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 3126f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 31270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 31280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 31290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 31300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 31320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 31330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 31340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 31350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 3136726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 31370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 31380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 31390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 3140726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 31410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3143211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 3144726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 3145f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 31460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31478b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 31480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 3149e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3150f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 3151f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 3152f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 3153f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 3154f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 3155e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 3156e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 31570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 31590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 3160e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3161e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3162e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3163e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 31660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 31670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 3168e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 3169e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 3170e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 3171e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 31720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 3173e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3174726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 3175e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 3176726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 31770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 31790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 31800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 3181672433d90fab7383cd28beac9d4485b566a90940Romain Guystatus_t OpenGLRenderer::drawRects(const float* rects, int count, SkPaint* paint) { 3182672433d90fab7383cd28beac9d4485b566a90940Romain Guy if (mSnapshot->isIgnored()) { 3183672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 3184672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3185672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3186735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy int color = paint->getColor(); 3187735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy // If a shader is set, preserve only the alpha 3188735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy if (mShader) { 3189735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy color |= 0x00ffffff; 3190735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 3191735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 3192735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3193735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy return drawColorRects(rects, count, color, mode); 3194735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 3195735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3196735738c4ddf3229caa5f6e634bf591953ac29944Romain Guystatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, int color, 31978ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkXfermode::Mode mode, bool ignoreTransform, bool dirty) { 3198735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 3199672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 3200672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 3201672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 3202672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 3203672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3204672433d90fab7383cd28beac9d4485b566a90940Romain Guy int vertexCount = 0; 3205672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex mesh[count * 6]; 3206672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 3207672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3208672433d90fab7383cd28beac9d4485b566a90940Romain Guy for (int i = 0; i < count; i++) { 3209672433d90fab7383cd28beac9d4485b566a90940Romain Guy int index = i * 4; 3210672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 3211672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 3212672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 3213672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 3214672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32158ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (ignoreTransform || !quickRejectNoScissor(left, top, right, bottom)) { 3216672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, l, b); 3217672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, l, t); 3218672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, r, t); 3219672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, l, b); 3220672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, r, t); 3221672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, r, b); 3222672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3223672433d90fab7383cd28beac9d4485b566a90940Romain Guy vertexCount += 6; 3224672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3225672433d90fab7383cd28beac9d4485b566a90940Romain Guy left = fminf(left, l); 3226672433d90fab7383cd28beac9d4485b566a90940Romain Guy top = fminf(top, t); 3227672433d90fab7383cd28beac9d4485b566a90940Romain Guy right = fmaxf(right, r); 3228672433d90fab7383cd28beac9d4485b566a90940Romain Guy bottom = fmaxf(bottom, b); 3229672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3230672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3231672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3232672433d90fab7383cd28beac9d4485b566a90940Romain Guy if (count == 0) return DrawGlInfo::kStatusDone; 3233672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3234672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 3235672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 3236672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 3237672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShader(); 3238672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilter(); 3239672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawBlending(mode); 3240672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 3241672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 3242735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, ignoreTransform, true); 3243672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorUniforms(); 3244672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShaderUniforms(); 3245672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilterUniforms(); 3246672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawVertices((GLvoid*) &mesh[0].position[0]); 3247672433d90fab7383cd28beac9d4485b566a90940Romain Guy 32488ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 3249672433d90fab7383cd28beac9d4485b566a90940Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 3250672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 3251672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3252672433d90fab7383cd28beac9d4485b566a90940Romain Guy glDrawArrays(GL_TRIANGLES, 0, vertexCount); 3253672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3254672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 3255672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 3256672433d90fab7383cd28beac9d4485b566a90940Romain Guy 3257026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 32581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 3259d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 326006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 3261d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 3262d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 3263d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 326470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 326515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 32669c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 326770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 326870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 326970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 327070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 327170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 327270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 327370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 327470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 327570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 3276c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 3277c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 3278c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 3279c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 328082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 32818164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 328282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 328382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 328482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 328582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3286d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 32878164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 3288211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 32896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 32906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 32916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3292d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 32936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 32946620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 32956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 32966620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 3297d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 32986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 32996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 33006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 33016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 330285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 330385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3304bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3305a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 3306a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 330703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 3308f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 3309f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 3310f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 3311a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 33126820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 33135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 33148694230ff25fa0a60e480d424843e56b718f0516Romain Guy 331570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 331670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 331770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 331870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 331970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 332070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3321886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 33225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 332370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 332403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 332570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3326db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 3327886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 332886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 332970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 333070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3331db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 33326820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 333370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 333470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 333582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 333682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3337886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 3338886b275e529e44a59c54b933453d9bc902973178Romain Guy GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, 3339886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 3340886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform, bool dirty) { 3341886b275e529e44a59c54b933453d9bc902973178Romain Guy 3342886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3343886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 3344886b275e529e44a59c54b933453d9bc902973178Romain Guy if (hasColor) { 3345886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3346886b275e529e44a59c54b933453d9bc902973178Romain Guy } 3347886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilter(); 3348886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShader(); 3349886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawBlending(true, mode); 3350886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3351886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 3352886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 3353886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3354886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 3355886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilterUniforms(); 3356886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShaderUniforms(); 3357886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3358886b275e529e44a59c54b933453d9bc902973178Romain Guy 3359886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3360886b275e529e44a59c54b933453d9bc902973178Romain Guy 3361886b275e529e44a59c54b933453d9bc902973178Romain Guy finishDrawTexture(); 3362886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3363886b275e529e44a59c54b933453d9bc902973178Romain Guy 3364a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3365f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 336682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3367c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 336882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 336982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 337082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 337182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 337282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 337382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 337433fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 3375211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 3376a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3377f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3378a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 337982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 338082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 338182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 338282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 338382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 338482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 338582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 338682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3387a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 338882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 338982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 339082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 339182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 339282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 339382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 339482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 339582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 339682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 339782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 339882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 339982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 340082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 340182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3402fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 340382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 340482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3405fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3406bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3407bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3408889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3409d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3410fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3411d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3412fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 34136926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3414260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 34156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3416260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3417260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3418026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3419ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 342082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 342182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 342282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 342382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 34248ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 34258ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 34265c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 3427be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 3428db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3429026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3430026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 34319d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3432e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3433