OpenGLRenderer.cpp revision 65cd612face362d054a85d0f7e5881c59cd523be
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" 3665cd612face362d054a85d0f7e5881c59cd523beChris Craik#include "PathTessellator.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); 11042af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik count += 4; 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 1472ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1473ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1474ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1475ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1476ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 14778d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 14788d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1479886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1480886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1481886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 148270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 148370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 148470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 148570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 148686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 148786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 1488886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorR = mColorA * ((color >> 16) & 0xFF) / 255.0f; 1489886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorG = mColorA * ((color >> 8) & 0xFF) / 255.0f; 1490886b275e529e44a59c54b933453d9bc902973178Romain Guy mColorB = mColorA * ((color ) & 0xFF) / 255.0f; 149186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 149286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 149386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 149486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 14954121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 14964121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 14974121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 14984121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 149970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 150070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 150170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 150270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 150370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 150470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 150570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 150670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 150770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 150870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 150970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 151070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 151170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 151270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 151370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 151470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 151570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 151670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 151770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 151870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 151970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1520f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1521f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1522f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1523f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 152454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1525f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1526f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1527f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 152870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1529f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1530f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1531f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 153270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 153370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 153470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 153570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 153670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1537f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1538f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1539f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 1540e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()) || 1541e83221c547cf2038752e5378e72e49a62cfd9954Romain Guy (mColorFilter && mColorFilter->blend()), mode, mDescription, swapSrcDst); 154270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 154370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 154470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 154570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 154670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 154770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 154870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 154970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 155070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 155170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 155270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 155370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 155470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 155570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 155670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 155770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 155870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 155970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 156070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 156170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 156270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 156370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 15648a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 15658a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 15668d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 15678d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 156870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 156970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 157070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 157170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 157270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 157370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 157470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 157570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 157686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 157786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 157886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 157986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 158086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 158186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 158286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 158386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 158486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 158586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 158670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 158770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1588ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1589ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1590ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1591ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1592ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 159370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 159455fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 159570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 159670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 159770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 159870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 159986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 16005536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 160186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 16025536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 16035536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 16045536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 160570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 160670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 160770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 160870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 160970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 161070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 161170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 161270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 161370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16148d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 16158d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 16168d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 16178d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 16188d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 16198d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 162070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 162170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 162270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 162370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 162470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 162570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16264121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 16274121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 16284121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 16294121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 163070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1631f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1632cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, 0); 163315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 163470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 163570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 163670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 163770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 16382d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 163915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 164070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 164170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1642aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1643aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 16442d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 164515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1646aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1647aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 16488f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 16498f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 16508f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 16518f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 16528f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1653aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1654aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1655aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1656aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 165770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1658f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 165970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1660f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 166170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1662f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 166370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1664d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1665cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 166615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1667cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 166815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 166915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 167015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 167115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 167215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 167315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 167415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 1675cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices); 167615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 1677cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindTexCoordsVertexPointer(force, texCoords); 16788d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 167970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1682f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1683cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(force, vertices, gVertexStride); 168415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 16855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 16865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 168770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 168870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 168970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 169070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1691f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1692f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1693f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 16941271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 169533f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1696b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 16970fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 16980fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 169904c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 17001271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 17010fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 17027b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 17036554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 17040fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 17050fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1706ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1707ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 17082af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik displayList->output(level); 1709ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1710ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1711ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1712a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1713a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1714a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1715a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1716a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1717886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint != NULL ? paint->getColor() : 0; 1718886b275e529e44a59c54b933453d9bc902973178Romain Guy 1719a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1720a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1721a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1722886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1723886b275e529e44a59c54b933453d9bc902973178Romain Guy 1724a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1725a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1726a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1727a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1728a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1729a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1730886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(GL_NEAREST, true); 1731886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1732886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(FILTER(paint), true); 17335b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1734e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1735886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 1736886b275e529e44a59c54b933453d9bc902973178Romain Guy paint != NULL, color, alpha, mode, (GLvoid*) NULL, 1737886b275e529e44a59c54b933453d9bc902973178Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 1738a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1739a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1740486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 17416926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 17426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 17436926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 17446926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1745486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 17466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 17476926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1748a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 17498164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1750486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 175122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 175222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1753211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1754a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1755a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1756a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1757a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1758486590963e2207d68eebd6944fec70d50d41116aChet Haase 1759486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 17608ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 17618ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1762486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1763f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1764f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1765f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1766f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 17676926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1768486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 17696926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 17706926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1771a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 17728164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1773486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 177422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 177522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 17765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 17775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 17785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 17795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 1780886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1781886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, 0.0f, 0.0f, paint); 1782886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1783886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 1784886b275e529e44a59c54b933453d9bc902973178Romain Guy } 17855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1786486590963e2207d68eebd6944fec70d50d41116aChet Haase 1787486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1788f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1789f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1790486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1791e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1792e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1793e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1794e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1795486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1796e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1797e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1798e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1799e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1800e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1801e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1802886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1803886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlphaBitmap(texture, left, top, paint); 1804886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1805886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1806886b275e529e44a59c54b933453d9bc902973178Romain Guy } 1807486590963e2207d68eebd6944fec70d50d41116aChet Haase 1808486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1809e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1810e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1811486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 18125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 18135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1814486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 18165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1817b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1818b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1819b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1820b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1821b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1822a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const uint32_t count = meshWidth * meshHeight * 6; 1823b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1824a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1825a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 18265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 1827a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 18285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 18295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 18305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 18315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 18325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 18335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 18345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 18355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 18365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 18375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 18385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 18395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 18405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 18415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 18425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 18435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 18445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 18455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 18465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 18475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 18485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 18495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 18505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 18515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 18525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1853b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1854a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1855a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1856a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1857a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 18585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 18595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 18605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1861a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (quickReject(left, top, right, bottom)) { 1862a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy return DrawGlInfo::kStatusDone; 1863a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy } 1864a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1865a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy mCaches.activeTexture(0); 1866a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1867a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (!texture) return DrawGlInfo::kStatusDone; 1868a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy const AutoTexture autoCleanup(texture); 1869a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1870a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1871a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy texture->setFilter(FILTER(paint), true); 1872a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1873a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy int alpha; 1874a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy SkXfermode::Mode mode; 1875a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1876a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy 1877a92bb4dc9605c86b8773c929412af2dc242b1fa8Romain Guy if (hasLayer()) { 1878b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1879b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1880b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 18815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 18825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1883b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 1884486590963e2207d68eebd6944fec70d50d41116aChet Haase 1885486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 18865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 18875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1888486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 18898ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 18908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 18915c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 18926926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 1893486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18946926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18956926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1896a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 18978164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1898486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 189922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 19008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 19018ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 19028ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1903c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 19046816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 19056816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 19066816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 19076816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1908c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 190903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 19108ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 19118ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 191203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 191303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 191403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 191503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1916d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1917d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1918886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleX = (dstRight - dstLeft) / (srcRight - srcLeft); 1919886b275e529e44a59c54b933453d9bc902973178Romain Guy float scaleY = (dstBottom - dstTop) / (srcBottom - srcTop); 19206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1921886b275e529e44a59c54b933453d9bc902973178Romain Guy bool scaled = scaleX != 1.0f || scaleY != 1.0f; 1922886b275e529e44a59c54b933453d9bc902973178Romain Guy // Apply a scale transform on the canvas only when a shader is in use 1923886b275e529e44a59c54b933453d9bc902973178Romain Guy // Skia handles the ratio between the dst and src rects as a scale factor 1924886b275e529e44a59c54b933453d9bc902973178Romain Guy // when a shader is set 1925886b275e529e44a59c54b933453d9bc902973178Romain Guy bool useScaleTransform = mShader && scaled; 1926886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform = false; 1927b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1928886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate() && !useScaleTransform)) { 1929886b275e529e44a59c54b933453d9bc902973178Romain Guy float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 1930886b275e529e44a59c54b933453d9bc902973178Romain Guy float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 1931886b275e529e44a59c54b933453d9bc902973178Romain Guy 1932886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = x + (dstRight - dstLeft); 1933886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = y + (dstBottom - dstTop); 1934886b275e529e44a59c54b933453d9bc902973178Romain Guy 1935886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = x; 1936886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = y; 1937886b275e529e44a59c54b933453d9bc902973178Romain Guy 1938886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->setFilter(scaled ? FILTER(paint) : GL_NEAREST, true); 1939886b275e529e44a59c54b933453d9bc902973178Romain Guy ignoreTransform = true; 19406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1941d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 1942886b275e529e44a59c54b933453d9bc902973178Romain Guy } 1943886b275e529e44a59c54b933453d9bc902973178Romain Guy 1944886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 1945886b275e529e44a59c54b933453d9bc902973178Romain Guy save(SkCanvas::kMatrix_SaveFlag); 1946886b275e529e44a59c54b933453d9bc902973178Romain Guy translate(dstLeft, dstTop); 1947886b275e529e44a59c54b933453d9bc902973178Romain Guy scale(scaleX, scaleY); 1948886b275e529e44a59c54b933453d9bc902973178Romain Guy 1949886b275e529e44a59c54b933453d9bc902973178Romain Guy dstLeft = 0.0f; 1950886b275e529e44a59c54b933453d9bc902973178Romain Guy dstTop = 0.0f; 1951886b275e529e44a59c54b933453d9bc902973178Romain Guy 1952886b275e529e44a59c54b933453d9bc902973178Romain Guy dstRight = srcRight - srcLeft; 1953886b275e529e44a59c54b933453d9bc902973178Romain Guy dstBottom = srcBottom - srcTop; 1954886b275e529e44a59c54b933453d9bc902973178Romain Guy } 1955886b275e529e44a59c54b933453d9bc902973178Romain Guy 1956886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1957886b275e529e44a59c54b933453d9bc902973178Romain Guy int color = paint ? paint->getColor() : 0; 1958886b275e529e44a59c54b933453d9bc902973178Romain Guy drawAlpha8TextureMesh(dstLeft, dstTop, dstRight, dstBottom, 1959886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, paint != NULL, color, alpha, mode, 1960886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 1961886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, ignoreTransform); 1962886b275e529e44a59c54b933453d9bc902973178Romain Guy } else { 1963886b275e529e44a59c54b933453d9bc902973178Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, 1964886b275e529e44a59c54b933453d9bc902973178Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 1965886b275e529e44a59c54b933453d9bc902973178Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 1966886b275e529e44a59c54b933453d9bc902973178Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, ignoreTransform); 1967886b275e529e44a59c54b933453d9bc902973178Romain Guy } 1968886b275e529e44a59c54b933453d9bc902973178Romain Guy 1969886b275e529e44a59c54b933453d9bc902973178Romain Guy if (CC_UNLIKELY(useScaleTransform)) { 1970886b275e529e44a59c54b933453d9bc902973178Romain Guy restore(); 19716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 19728ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 19738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1974486590963e2207d68eebd6944fec70d50d41116aChet Haase 1975486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1976ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1977ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1978486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 19794bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 19805c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 1981be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 1982be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 1983be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 1984be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1985be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 1986be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 1987be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 1988be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1989be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1990be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1991be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 19926926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1993486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 19946926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 19956926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1996be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 1997be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1998a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 19998164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 2000486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 200122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 2002d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 2003d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 2004f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 20052728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 20064bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 2007f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2008211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 20096620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 20105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 20118168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 2012c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 2013c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 20145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 20155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 20168ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 2017211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 2018c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 2019c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 2020c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 20216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2022c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 2023c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 20246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 20255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 20265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 20275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2028211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 20296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 20306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 20316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 20326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 20336620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 20346620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 20356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 20366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 20376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 20386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 20396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 20406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 20416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2042054dc1840941665e32036f9523df51720ad069c8Romain Guy } 2043486590963e2207d68eebd6944fec70d50d41116aChet Haase 2044486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2045f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2046f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 204765cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint, 204865cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset) { 2049bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik if (!vertexBuffer.getSize()) { 2050bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik // no vertices to draw 205165cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDone; 2052bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik } 2053bf09ffb4e0dc820aeae56a3e576aed33cab218daChris Craik 205465cd612face362d054a85d0f7e5881c59cd523beChris Craik int color = paint->getColor(); 205565cd612face362d054a85d0f7e5881c59cd523beChris Craik SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 205665cd612face362d054a85d0f7e5881c59cd523beChris Craik bool isAA = paint->isAntiAlias(); 205765cd612face362d054a85d0f7e5881c59cd523beChris Craik 2058710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDraw(); 2059710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawNoTexture(); 2060710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) setupDrawAA(); 2061710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 2062710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilter(); 2063710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShader(); 2064710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawBlending(isAA, mode); 2065710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawProgram(); 206665cd612face362d054a85d0f7e5881c59cd523beChris Craik setupDrawModelViewIdentity(useOffset); 2067710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorUniforms(); 2068710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawColorFilterUniforms(); 2069710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik setupDrawShaderIdentityUniforms(); 2070858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2071710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* vertices = vertexBuffer.getBuffer(); 2072710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik bool force = mCaches.unbindMeshBuffer(); 2073cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik mCaches.bindPositionVertexPointer(true, vertices, isAA ? gAlphaVertexStride : gVertexStride); 2074710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.resetTexCoordsVertexPointer(); 2075710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.unbindIndicesBuffer(); 20766ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2077710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik int alphaSlot = -1; 2078710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 2079710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik void* alphaCoords = ((GLbyte*) vertices) + gVertexAlphaOffset; 2080710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 20816ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2082710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik // TODO: avoid enable/disable in back to back uses of the alpha attribute 20836ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 20846ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 2085710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 20866ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 2087710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, vertexBuffer.getSize()); 20887b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2089710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (isAA) { 20906ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 209104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 209265cd612face362d054a85d0f7e5881c59cd523beChris Craik 209365cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2094858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2095858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2096858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 209765cd612face362d054a85d0f7e5881c59cd523beChris Craik * Renders a convex path via tessellation. For AA paths, this function uses a similar approach to 209865cd612face362d054a85d0f7e5881c59cd523beChris Craik * that of AA lines in the drawLines() function. We expand the convex path by a half pixel in 209965cd612face362d054a85d0f7e5881c59cd523beChris Craik * screen space in all directions. However, instead of using a fragment shader to compute the 210065cd612face362d054a85d0f7e5881c59cd523beChris Craik * translucency of the color from its position, we simply use a varying parameter to define how far 210165cd612face362d054a85d0f7e5881c59cd523beChris Craik * a given pixel is from the edge. For non-AA paths, the expansion and alpha varying are not used. 210265cd612face362d054a85d0f7e5881c59cd523beChris Craik * 210365cd612face362d054a85d0f7e5881c59cd523beChris Craik * Doesn't yet support joins, caps, or path effects. 210499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 210565cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawConvexPath(const SkPath& path, SkPaint* paint) { 210665cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer vertexBuffer; 210765cd612face362d054a85d0f7e5881c59cd523beChris Craik // TODO: try clipping large paths to viewport 210865cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellatePath(path, paint, mSnapshot->transform, vertexBuffer); 21097b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 211065cd612face362d054a85d0f7e5881c59cd523beChris Craik SkRect bounds = path.getBounds(); 211165cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::expandBoundsForStroke(bounds, paint, false); 211265cd612face362d054a85d0f7e5881c59cd523beChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, *mSnapshot->transform); 21137b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 211465cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(vertexBuffer, paint); 211565cd612face362d054a85d0f7e5881c59cd523beChris Craik} 21167b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 211765cd612face362d054a85d0f7e5881c59cd523beChris Craik/** 211865cd612face362d054a85d0f7e5881c59cd523beChris Craik * We create tristrips for the lines much like shape stroke tessellation, using a per-vertex alpha 211965cd612face362d054a85d0f7e5881c59cd523beChris Craik * and additional geometry for defining an alpha slope perimeter. 212065cd612face362d054a85d0f7e5881c59cd523beChris Craik * 212165cd612face362d054a85d0f7e5881c59cd523beChris Craik * Using GL_LINES can be difficult because the rasterization rules for those lines produces some 212265cd612face362d054a85d0f7e5881c59cd523beChris Craik * unexpected results, and may vary between hardware devices. Previously we used a varying-base 212365cd612face362d054a85d0f7e5881c59cd523beChris Craik * in-shader alpha region, but found it to be taxing on some GPUs. 212465cd612face362d054a85d0f7e5881c59cd523beChris Craik * 212565cd612face362d054a85d0f7e5881c59cd523beChris Craik * TODO: try using a fixed input buffer for non-capped lines as in text rendering. this may reduce 212665cd612face362d054a85d0f7e5881c59cd523beChris Craik * memory transfer by removing need for degenerate vertices. 212765cd612face362d054a85d0f7e5881c59cd523beChris Craik */ 212865cd612face362d054a85d0f7e5881c59cd523beChris Craikstatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 212965cd612face362d054a85d0f7e5881c59cd523beChris Craik if (mSnapshot->isIgnored() || count < 4) return DrawGlInfo::kStatusDone; 21307b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 213165cd612face362d054a85d0f7e5881c59cd523beChris Craik count &= ~0x3; // round down to nearest four 21327b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 213365cd612face362d054a85d0f7e5881c59cd523beChris Craik VertexBuffer buffer; 213465cd612face362d054a85d0f7e5881c59cd523beChris Craik SkRect bounds; 213565cd612face362d054a85d0f7e5881c59cd523beChris Craik PathTessellator::tessellateLines(points, count, paint, mSnapshot->transform, bounds, buffer); 213665cd612face362d054a85d0f7e5881c59cd523beChris Craik dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, *mSnapshot->transform); 2137486590963e2207d68eebd6944fec70d50d41116aChet Haase 213865cd612face362d054a85d0f7e5881c59cd523beChris Craik bool useOffset = !paint->isAntiAlias(); 213965cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawVertexBuffer(buffer, paint, useOffset); 21405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 21415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2142486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2143486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2144ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2145ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2146ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2147ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 21485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2149ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 21508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2151ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 21528a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 21538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 21548a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 21558a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 21568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2157ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2158ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2159ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2160ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2161ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2162ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2163ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2164ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2165ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2166ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 216704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 216804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 216904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 217004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2171ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 217215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 21738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2174ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2175ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2176ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2177ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2178ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 21798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2180ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2181ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2182ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2183ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2184ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2185ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2186ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2187ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2188ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 21897b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21908a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 21918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 21928a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 21938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 21947b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2196ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2197ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2198ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2199486590963e2207d68eebd6944fec70d50d41116aChet Haase 2200486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2201ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2202ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2203486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2204e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2205486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2206e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2207ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2208ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 220970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 22103d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2211486590963e2207d68eebd6944fec70d50d41116aChet Haase 2212486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2213c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 22149d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2215486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2216486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2217486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 221801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 221901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 222001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 222101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 222201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 222301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2224486590963e2207d68eebd6944fec70d50d41116aChet Haase 2225486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 222601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 222701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2228486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2229710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik float rx, float ry, SkPaint* p) { 2230cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2231710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2232710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 223301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2234cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2235710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2236710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2237710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik right - left, bottom - top, rx, ry, p); 2238710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2239710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2240710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2241710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2242710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2243cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2244cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik float outset = p->getStrokeWidth() / 2; 2245cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(outset, outset); 2246cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rx += outset; 2247cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik ry += outset; 2248cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2249710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRoundRect(rect, rx, ry); 225065cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2251c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 225201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2253710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craikstatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p) { 2254cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(x - radius, y - radius, 2255cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik x + radius, y + radius, p)) { 2256710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2257710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2258cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2259710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2260710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, p); 2261710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(x - radius, y - radius, texture, p); 2262710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2263710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2264710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2265cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2266cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius + p->getStrokeWidth() / 2); 2267cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } else { 2268cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik path.addCircle(x, y, radius); 2269cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 227065cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2271c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 227201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2273486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2274710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPaint* p) { 2275cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2276710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return DrawGlInfo::kStatusDone; 2277710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 227801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2279cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getPathEffect() != 0) { 2280710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik mCaches.activeTexture(0); 2281710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, p); 2282710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik return drawShape(left, top, texture, p); 2283710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik } 2284710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik 2285710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2286710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2287cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2288cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2289cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik } 2290710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addOval(rect); 229165cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2292c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2293c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2294486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 2295780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik float startAngle, float sweepAngle, bool useCenter, SkPaint* p) { 2296780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2297780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return DrawGlInfo::kStatusDone; 2298780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 22998b2f5267f16c295f12faab810527cd6311997e34Romain Guy 23008b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2301780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawOval(left, top, right, bottom, p); 23028b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 23038b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2304780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik // TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180) 230565cd612face362d054a85d0f7e5881c59cd523beChris Craik if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) { 2306780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik mCaches.activeTexture(0); 2307780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 2308780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik startAngle, sweepAngle, useCenter, p); 2309780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik return drawShape(left, top, texture, p); 2310780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2311780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2312780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2313780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2314780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2315780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2316780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik 2317780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik SkPath path; 2318780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2319780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.moveTo(rect.centerX(), rect.centerY()); 2320780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 2321780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.arcTo(rect, startAngle, sweepAngle, !useCenter); 2322780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik if (useCenter) { 2323780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik path.close(); 2324780c12875ce0c0d3fd072484d4b8b3c327cc4f31Chris Craik } 232565cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 23268b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 23278b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2328cf8675ee176a375f873792684d38a47f78348dffRomain Guy// See SkPaintDefaults.h 2329cf8675ee176a375f873792684d38a47f78348dffRomain Guy#define SkPaintDefaults_MiterLimit SkIntToScalar(4) 2330cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2331486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2332cb4d6009576cf08195dc23f341a3f4939c0878bbChris Craik if (mSnapshot->isIgnored() || quickRejectPreStroke(left, top, right, bottom, p)) { 2333486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 23346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 23356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2336710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik if (p->getStyle() != SkPaint::kFill_Style) { 2337cf8675ee176a375f873792684d38a47f78348dffRomain Guy // only fill style is supported by drawConvexPath, since others have to handle joins 2338cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getPathEffect() != 0 || p->getStrokeJoin() != SkPaint::kMiter_Join || 2339cf8675ee176a375f873792684d38a47f78348dffRomain Guy p->getStrokeMiter() != SkPaintDefaults_MiterLimit) { 2340cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.activeTexture(0); 2341cf8675ee176a375f873792684d38a47f78348dffRomain Guy const PathTexture* texture = 2342cf8675ee176a375f873792684d38a47f78348dffRomain Guy mCaches.rectShapeCache.getRect(right - left, bottom - top, p); 2343cf8675ee176a375f873792684d38a47f78348dffRomain Guy return drawShape(left, top, texture, p); 2344cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2345cf8675ee176a375f873792684d38a47f78348dffRomain Guy 2346cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkPath path; 2347cf8675ee176a375f873792684d38a47f78348dffRomain Guy SkRect rect = SkRect::MakeLTRB(left, top, right, bottom); 2348cf8675ee176a375f873792684d38a47f78348dffRomain Guy if (p->getStyle() == SkPaint::kStrokeAndFill_Style) { 2349cf8675ee176a375f873792684d38a47f78348dffRomain Guy rect.outset(p->getStrokeWidth() / 2, p->getStrokeWidth() / 2); 2350cf8675ee176a375f873792684d38a47f78348dffRomain Guy } 2351cf8675ee176a375f873792684d38a47f78348dffRomain Guy path.addRect(rect); 235265cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2353026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2354026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2355181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2356710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik SkPath path; 2357710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik path.addRect(left, top, right, bottom); 235865cd612face362d054a85d0f7e5881c59cd523beChris Craik return drawConvexPath(path, p); 2359858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2360710f46d9d6a5bf9ea1c1833384caf61e1934124fChris Craik drawColorRect(left, top, right, bottom, p->getColor(), getXfermode(p->getXfermode())); 236165cd612face362d054a85d0f7e5881c59cd523beChris Craik return DrawGlInfo::kStatusDrew; 2362858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2363c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 23649d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2365416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2366416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2367416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2368416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2369416a847633680d94efb926837efdc18726d54918Raph Levien 2370416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2371416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2372416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2373416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2374416a847633680d94efb926837efdc18726d54918Raph Levien paint, text, bytesCount, count, mShadowRadius, positions); 2375416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2376416a847633680d94efb926837efdc18726d54918Raph Levien 2377416a847633680d94efb926837efdc18726d54918Raph Levien const float sx = x - shadow->left + mShadowDx; 2378416a847633680d94efb926837efdc18726d54918Raph Levien const float sy = y - shadow->top + mShadowDy; 2379416a847633680d94efb926837efdc18726d54918Raph Levien 2380416a847633680d94efb926837efdc18726d54918Raph Levien const int shadowAlpha = ((mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2381416a847633680d94efb926837efdc18726d54918Raph Levien int shadowColor = mShadowColor; 2382416a847633680d94efb926837efdc18726d54918Raph Levien if (mShader) { 2383416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2384416a847633680d94efb926837efdc18726d54918Raph Levien } 2385416a847633680d94efb926837efdc18726d54918Raph Levien 2386416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2387416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2388416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2389416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2390416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2391416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2392416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2393416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2394416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2395416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2396416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2397416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2398416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2399416a847633680d94efb926837efdc18726d54918Raph Levien 2400416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2401416a847633680d94efb926837efdc18726d54918Raph Levien} 2402416a847633680d94efb926837efdc18726d54918Raph Levien 2403486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2404eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2405671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 24069c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2407486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2408eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2409eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2410671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2411671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2412486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2413671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2414671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2415671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2416671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2417671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2418671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2419671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2420671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2421671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2422671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2423b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2424e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy fontRenderer.setFont(paint, *mSnapshot->transform); 2425671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2426671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2427671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2428671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2429671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2430416a847633680d94efb926837efdc18726d54918Raph Levien if (CC_UNLIKELY(mHasShadow)) { 2431e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, 2432e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy alpha, mode, 0.0f, 0.0f); 2433416a847633680d94efb926837efdc18726d54918Raph Levien } 2434416a847633680d94efb926837efdc18726d54918Raph Levien 2435671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2436671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2437671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2438671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2439671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2440671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2441671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2442671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 24434121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2444671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2445671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2446671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2447671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2448671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2449671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2450671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2451671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2452671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2453671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2454671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2455671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 24564121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2457671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2458671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2459671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2460671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2461211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2462671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2463671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2464671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2465671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2466671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2467671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2468671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2469671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2470671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2471671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2472486590963e2207d68eebd6944fec70d50d41116aChet Haase 2473486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2474eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2475eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2476c25259519f1b74bb62a2b051b74537f073436b5cRomain Guystatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2477996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2478671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 24799c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2480486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2481e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2482e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2483a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2484e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2485e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2486e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2487e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2488e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2489e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2490e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2491e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2492e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2493e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2494e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2495cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2496cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 249733f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2498486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2499cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2500cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 2501e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy#if DEBUG_GLYPHS 2502e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy ALOGD("OpenGLRenderer drawText() with FontID=%d", 2503e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy SkTypeface::UniqueID(paint->getTypeface())); 2504e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy#endif 2505e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 2506e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2507e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy fontRenderer.setFont(paint, *mSnapshot->transform); 2508e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy 25093a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 25103a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 25116620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2512211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 25136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 25146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 25156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 25166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 251786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 251886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 251986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 25209d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2521211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 2522996e57c84368058be793897ebc355b917a59abc2Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2523996e57c84368058be793897ebc355b917a59abc2Raph Levien oldX, oldY); 25241e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 25251e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 25266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 25276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 25286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 25296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 25306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 25315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 253216c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2533a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 253486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 25354121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 253686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 253786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 253886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 253986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 254086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 254186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 254286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 254386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 254416c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 254516c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 254686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 254786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 254886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 254986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 25504121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 255106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 2552a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : 2553a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy (mSnapshot->hasPerspectiveTransform() ? NULL : &mSnapshot->getLocalClip()); 25545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 25555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2556211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2557894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2558996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 2559a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy if (CC_UNLIKELY(paint->getTextAlign() != SkPaint::kLeft_Align)) { 25608b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 25618b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 25628b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2563a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy positions, hasActiveLayer ? &bounds : NULL); 2564996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 25658b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2566a3dc55f83ab583e0a66b893c71b849afa046770aRomain Guy positions, hasActiveLayer ? &bounds : NULL); 2567996e57c84368058be793897ebc355b917a59abc2Raph Levien } 25684ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 25694ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (status && hasActiveLayer) { 25704ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (!pureTranslate) { 25714ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy mSnapshot->transform->mapRect(bounds); 25725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 25734ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 25745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2575694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 25763a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2577486590963e2207d68eebd6944fec70d50d41116aChet Haase 2578486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2579694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2580694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2581486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2582325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 258303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 258403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2585486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 258603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 258703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2588b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2589e3a9b24b5e3f9b2058486814a6d27729e51ad466Romain Guy fontRenderer.setFont(paint, *mSnapshot->transform); 259003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 259103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 259203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 259303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 259403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 259503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 259603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 25974121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 259803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 259903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 260003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 260103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 260203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 260303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 260403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 26059777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 260603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 260703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 260803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 26099777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 26104121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 26119777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 26129777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 26139777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 261403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 26159777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 26169777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 26179777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 26189777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 26199777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 26209777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 26219777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 26229777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 26239777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2624486590963e2207d68eebd6944fec70d50d41116aChet Haase 2625486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2626325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2627325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2628486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2629486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2630dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2631a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 26327fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2633fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2634486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 263522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 26367fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 26378b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 26388b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 26398b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 264001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2641486590963e2207d68eebd6944fec70d50d41116aChet Haase 2642486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 26437fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 26447fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2645486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 264635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2647486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 26486c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 26496c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2650b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mat4* transform = NULL; 2651b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (layer->isTextureLayer()) { 2652b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy transform = &layer->getTransform(); 2653b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (!transform->isIdentity()) { 2654b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy save(0); 2655b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy mSnapshot->transform->multiply(*transform); 2656b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2657b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2658b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 265935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect transformed; 266035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect clip; 266135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 266235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), transformed, clip); 26634ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 266435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 2665b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2666b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2667b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 266835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 266935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 267035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 26715bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy updateLayer(layer, true); 26722bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 267387e2f757be9b24d369bab354e37c276e851b1fc7Romain Guy mCaches.setScissorEnabled(mScissorOptimizationDisabled || !clip.contains(transformed)); 2674a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 26756c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2676211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2677e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy SkiaColorFilter* oldFilter = mColorFilter; 2678e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy mColorFilter = layer->getColorFilter(); 2679e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 2680c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 268140667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2682c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 2683d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase const float a = layer->getAlpha() / 255.0f; 2684c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2685c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 26868168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2687c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 26889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2689c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2690c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2691c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 26929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2693211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 26944ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int tx = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 26954ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int ty = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 26969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2697d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 26984ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 26994ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 27009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2701d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 27029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 27039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 27049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2705c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2706c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2707c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2708c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2709c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2710c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 27113a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 27123a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 27133a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 27143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2715c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 27164ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 2717e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy mColorFilter = oldFilter; 2718e529ece37f664f8947a1d4a1e27d679f6f286388Romain Guy 27195bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy if (layer->debugDrawUpdate) { 27205bb3c730f5ebd2a0db1b02a8981c6fdbea6c1a2eRomain Guy layer->debugDrawUpdate = false; 27214ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 27224ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 27234ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 2724f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2725486590963e2207d68eebd6944fec70d50d41116aChet Haase 2726b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy if (transform && !transform->isIdentity()) { 2727b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy restore(); 2728b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy } 2729b2e2f2470693e78baed20617f989d9a166864ed4Romain Guy 2730486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 27316c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 27326c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 27336926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2734d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2735d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2736d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2737d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 273806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 273906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 274006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 274106f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 274206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 274306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2744fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 274506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 27467fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 27477fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2748d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2749db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2750db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2751db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2752db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2753db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2754db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2755db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2756db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2757db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2758db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2759db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2760db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 27611e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 27621e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 27631e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 27641e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 27651e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 27661e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 27671e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 27681e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 27691e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 27701e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 27711e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 27721e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 27731e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 27741e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 27751e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 27761e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 27775ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 27785ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 27795ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27805ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 27815ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 27825ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27835ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27845ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 27855ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 27865ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 27875ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 27885ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27895ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27905ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2791dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 27925ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27935ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 27945ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27955ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 27965ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 27975ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27985ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 27995ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 28005ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28015ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 28026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 28036926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 28046926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 280501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 280601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 280701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 280801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 280901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 281001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 281101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 281201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 281301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 281401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 281501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 281601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 281701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 281801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 281901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 282001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 282101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 282201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 282301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 282401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 282501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 282601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 282701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 282801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 282901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 283001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 283101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 283201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 283301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2834f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 28350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 28360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 28370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 28380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 28400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 28410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 28420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 28430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2844726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 28450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 28460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 28470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2848726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 28490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2851211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2852726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2853f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 28540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28558b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 28560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2857e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2858f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2859f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2860f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2861f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2862f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2863e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2864e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 28650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 28670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2868e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2869e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2870e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2871e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 28720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 28750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2876e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2877e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2878e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2879e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 28800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2881e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2882726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2883e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2884726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 28850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 28880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2889672433d90fab7383cd28beac9d4485b566a90940Romain Guystatus_t OpenGLRenderer::drawRects(const float* rects, int count, SkPaint* paint) { 2890672433d90fab7383cd28beac9d4485b566a90940Romain Guy if (mSnapshot->isIgnored()) { 2891672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDone; 2892672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 2893672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2894735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy int color = paint->getColor(); 2895735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy // If a shader is set, preserve only the alpha 2896735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy if (mShader) { 2897735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy color |= 0x00ffffff; 2898735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy } 2899735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy SkXfermode::Mode mode = getXfermode(paint->getXfermode()); 2900735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 2901735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy return drawColorRects(rects, count, color, mode); 2902735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy} 2903735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 2904735738c4ddf3229caa5f6e634bf591953ac29944Romain Guystatus_t OpenGLRenderer::drawColorRects(const float* rects, int count, int color, 29058ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy SkXfermode::Mode mode, bool ignoreTransform, bool dirty) { 2906735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy 2907672433d90fab7383cd28beac9d4485b566a90940Romain Guy float left = FLT_MAX; 2908672433d90fab7383cd28beac9d4485b566a90940Romain Guy float top = FLT_MAX; 2909672433d90fab7383cd28beac9d4485b566a90940Romain Guy float right = FLT_MIN; 2910672433d90fab7383cd28beac9d4485b566a90940Romain Guy float bottom = FLT_MIN; 2911672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2912672433d90fab7383cd28beac9d4485b566a90940Romain Guy int vertexCount = 0; 2913672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex mesh[count * 6]; 2914672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex* vertex = mesh; 2915672433d90fab7383cd28beac9d4485b566a90940Romain Guy 29162af4635e4a9e448a65ff541252f8f94bc6ac48e0Chris Craik for (int index = 0; index < count; index += 4) { 2917672433d90fab7383cd28beac9d4485b566a90940Romain Guy float l = rects[index + 0]; 2918672433d90fab7383cd28beac9d4485b566a90940Romain Guy float t = rects[index + 1]; 2919672433d90fab7383cd28beac9d4485b566a90940Romain Guy float r = rects[index + 2]; 2920672433d90fab7383cd28beac9d4485b566a90940Romain Guy float b = rects[index + 3]; 2921672433d90fab7383cd28beac9d4485b566a90940Romain Guy 29228ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (ignoreTransform || !quickRejectNoScissor(left, top, right, bottom)) { 2923672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, l, b); 2924672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, l, t); 2925672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, r, t); 2926672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, l, b); 2927672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, r, t); 2928672433d90fab7383cd28beac9d4485b566a90940Romain Guy Vertex::set(vertex++, r, b); 2929672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2930672433d90fab7383cd28beac9d4485b566a90940Romain Guy vertexCount += 6; 2931672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2932672433d90fab7383cd28beac9d4485b566a90940Romain Guy left = fminf(left, l); 2933672433d90fab7383cd28beac9d4485b566a90940Romain Guy top = fminf(top, t); 2934672433d90fab7383cd28beac9d4485b566a90940Romain Guy right = fmaxf(right, r); 2935672433d90fab7383cd28beac9d4485b566a90940Romain Guy bottom = fmaxf(bottom, b); 2936672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 2937672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 2938672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2939672433d90fab7383cd28beac9d4485b566a90940Romain Guy if (count == 0) return DrawGlInfo::kStatusDone; 2940672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2941672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDraw(); 2942672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawNoTexture(); 2943672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 2944672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShader(); 2945672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilter(); 2946672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawBlending(mode); 2947672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawProgram(); 2948672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawDirtyRegionsDisabled(); 2949735738c4ddf3229caa5f6e634bf591953ac29944Romain Guy setupDrawModelView(0.0f, 0.0f, 1.0f, 1.0f, ignoreTransform, true); 2950672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorUniforms(); 2951672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawShaderUniforms(); 2952672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawColorFilterUniforms(); 2953672433d90fab7383cd28beac9d4485b566a90940Romain Guy setupDrawVertices((GLvoid*) &mesh[0].position[0]); 2954672433d90fab7383cd28beac9d4485b566a90940Romain Guy 29558ce00301a023eecaeb8891ce906f67b513ebb42aRomain Guy if (dirty && hasLayer()) { 2956672433d90fab7383cd28beac9d4485b566a90940Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2957672433d90fab7383cd28beac9d4485b566a90940Romain Guy } 2958672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2959672433d90fab7383cd28beac9d4485b566a90940Romain Guy glDrawArrays(GL_TRIANGLES, 0, vertexCount); 2960672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2961672433d90fab7383cd28beac9d4485b566a90940Romain Guy return DrawGlInfo::kStatusDrew; 2962672433d90fab7383cd28beac9d4485b566a90940Romain Guy} 2963672433d90fab7383cd28beac9d4485b566a90940Romain Guy 2964026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 29651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2966d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 296706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2968d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2969d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2970d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 297170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 297215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 29739c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 297470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 297570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 297670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 297770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 297870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 297970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 298070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 298170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 298270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2983c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2984c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2985c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2986c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 298782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 29888164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 298982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 299082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 299182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 299282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2993d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 29948164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2995211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 29966620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 29976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 29986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2999d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 30006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 30016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 30026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 30036620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 3004d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 30056620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 30066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 30076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 30086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 300985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 301085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3011bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3012a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 3013a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 301403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 3015f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 3016f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 3017f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 3018a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 30196820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 30205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 30218694230ff25fa0a60e480d424843e56b718f0516Romain Guy 302270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 302370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 302470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 302570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 302670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 302770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 3028886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 30295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 303070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 303103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 303270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3033db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 3034886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 303586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 303670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 303770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3038db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 30396820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 304070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 304170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 304282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 304382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3044886b275e529e44a59c54b933453d9bc902973178Romain Guyvoid OpenGLRenderer::drawAlpha8TextureMesh(float left, float top, float right, float bottom, 3045886b275e529e44a59c54b933453d9bc902973178Romain Guy GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, 3046886b275e529e44a59c54b933453d9bc902973178Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 3047886b275e529e44a59c54b933453d9bc902973178Romain Guy bool ignoreTransform, bool dirty) { 3048886b275e529e44a59c54b933453d9bc902973178Romain Guy 3049886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDraw(); 3050886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawWithTexture(true); 3051886b275e529e44a59c54b933453d9bc902973178Romain Guy if (hasColor) { 3052886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawAlpha8Color(color, alpha); 3053886b275e529e44a59c54b933453d9bc902973178Romain Guy } 3054886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilter(); 3055886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShader(); 3056886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawBlending(true, mode); 3057886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawProgram(); 3058886b275e529e44a59c54b933453d9bc902973178Romain Guy if (!dirty) setupDrawDirtyRegionsDisabled(); 3059886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 3060886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawTexture(texture); 3061886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawPureColorUniforms(); 3062886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawColorFilterUniforms(); 3063886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawShaderUniforms(); 3064886b275e529e44a59c54b933453d9bc902973178Romain Guy setupDrawMesh(vertices, texCoords); 3065886b275e529e44a59c54b933453d9bc902973178Romain Guy 3066886b275e529e44a59c54b933453d9bc902973178Romain Guy glDrawArrays(drawMode, 0, elementsCount); 3067886b275e529e44a59c54b933453d9bc902973178Romain Guy 3068886b275e529e44a59c54b933453d9bc902973178Romain Guy finishDrawTexture(); 3069886b275e529e44a59c54b933453d9bc902973178Romain Guy} 3070886b275e529e44a59c54b933453d9bc902973178Romain Guy 3071a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3072f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 307382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3074c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 307582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 307682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 307782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 307882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 307982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 308082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 308133fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 3082211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 3083a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3084f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3085a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 308682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 308782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 308882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 308982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 309082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 309182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 309282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 309382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3094a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 309582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 309682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 309782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 309882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 309982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 310082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 310182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 310282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 310382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 310482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 310582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 310682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 310782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 310882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3109fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 311082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 311182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3112fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3113bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3114bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3115889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3116d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3117fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3118d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3119fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 31206926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3121260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 31226926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3123260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3124260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3125026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3126ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 312782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 312882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 312982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 313082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 31318ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 31328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 31335c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 3134be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 3135db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3136026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3137026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 31389d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3139e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3140