OpenGLRenderer.cpp revision 7c450aaa3caac2a05fcb20a177483d0e92378426
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 2403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy#include <SkPathMeasure.h> 25694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy 275cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 28e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 36a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 37e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 38e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 399d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 409d5316e3f56d138504565ff311145ac01621dff4Romain Guy 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy 45759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 46759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 47759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 48f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 49dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 50d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy#define FILTER(paint) (paint && paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 51d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 529d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy 56889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 65026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 66026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 682ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 692ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 83026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 84e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 88f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 104f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 105f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 106f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 110fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 112db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 1145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 115026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 116ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 118ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 119e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 120e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12229d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12329d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 124e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 126f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 12713631f3da855f200a151e7837ed9f6b079622b58Romain Guy// Debug 12813631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 12913631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13013631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 13113631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.startMark(0, name); 13213631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13313631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13413631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::endMark() const { 13513631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.endMark(); 13613631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13713631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13813631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 139f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 140f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 141f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14249c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 14349c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 14449c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 14549c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 14685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 14735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy initViewport(width, height); 14835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 14935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 15035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 15135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 15235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 15335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 15435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 15535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::initViewport(int width, int height) { 156260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 157bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 158bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 159bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 160eb99356a0548684a501766e6a524529ab93304c8Romain Guy 161eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 162eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 163e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 164e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 16544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepare(bool opaque) { 16644b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1677d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1687d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 16944b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 170fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 171fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1728aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1738aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17484962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1758fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 176f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1777d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 17857b5268708c3b974296c7d4e58a02a957979224aRomain Guy mDirtyClip = opaque; 179ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 18011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayers(); 18111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 18245e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // If we know that we are going to redraw the entire framebuffer, 18345e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // perform a discard to let the driver know we don't need to preserve 18445e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // the back buffer for this frame. 18545e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy if (mCaches.extensions.hasDiscardFramebuffer() && 18645e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy left <= 0.0f && top <= 0.0f && right >= mWidth && bottom >= mHeight) { 18745e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy const GLenum attachments[] = { getTargetFbo() == 0 ? GL_COLOR_EXT : GL_COLOR_ATTACHMENT0 }; 18845e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 18945e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy } 19045e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 191ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 1927d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1932b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mTilingSnapshot = mSnapshot; 19457b5268708c3b974296c7d4e58a02a957979224aRomain Guy startTiling(mTilingSnapshot, true); 1952b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 1967c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, true); 1977c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 1986b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 199586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 200ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 2016b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 20244b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 203ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 204ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.resetScissor(); 205ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 20644b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 20744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 208ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 209ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 210ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 211ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 212ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 213ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 214ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 215ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 216ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2176b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 218bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 219bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 22057b5268708c3b974296c7d4e58a02a957979224aRomain Guyvoid OpenGLRenderer::startTiling(const sp<Snapshot>& s, bool opaque) { 2212b7028eabac80cec170572bc0e945a1d4224e595Romain Guy Rect* clip = mTilingSnapshot->clipRect; 2222b7028eabac80cec170572bc0e945a1d4224e595Romain Guy if (s->flags & Snapshot::kFlagIsFboLayer) { 2232b7028eabac80cec170572bc0e945a1d4224e595Romain Guy clip = s->clipRect; 2242b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 2252b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2262b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mCaches.startTiling(clip->left, s->height - clip->bottom, 2272b7028eabac80cec170572bc0e945a1d4224e595Romain Guy clip->right - clip->left, clip->bottom - clip->top, opaque); 2282b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2292b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2302b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 2312b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mCaches.endTiling(); 2322b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2332b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 234b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 2357c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy renderOverdraw(); 2362b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 2372b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 23811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 239b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 24011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy GLenum status = GL_NO_ERROR; 24111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 24211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGD("GL error from OpenGLRenderer: 0x%x", status); 24311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy switch (status) { 24411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_ENUM: 24511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_ENUM"); 24611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 24711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_VALUE: 24811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_VALUE"); 24911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 25011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_OPERATION: 25111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_OPERATION"); 25211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 25311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_OUT_OF_MEMORY: 25411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" Out of memory!"); 25511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 25611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 257a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 258b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 25911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 260c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 261e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 26211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 26311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 26411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 26511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 266c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 26711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 268b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 269b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2707c450aaa3caac2a05fcb20a177483d0e92378426Romain Guyvoid OpenGLRenderer::debugOverdraw(bool enable, bool clear) { 2717c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 2727c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (clear) { 2737c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy mCaches.disableScissor(); 2747c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy mCaches.stencil.clear(); 2757c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 2767c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (enable) { 2777c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy mCaches.stencil.enableDebugWrite(); 2787c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } else { 2797c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy mCaches.stencil.disable(); 2807c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 2817c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 2827c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy} 2837c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 2847c450aaa3caac2a05fcb20a177483d0e92378426Romain Guyvoid OpenGLRenderer::renderOverdraw() { 2857c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (mCaches.debugOverdraw && getTargetFbo() == 0) { 2867c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy const Rect* clip = mTilingSnapshot->clipRect; 2877c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 2887c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy mCaches.enableScissor(); 2897c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy mCaches.setScissor(clip->left, mTilingSnapshot->height - clip->bottom, 2907c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy clip->right - clip->left, clip->bottom - clip->top); 2917c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 2927c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy mCaches.stencil.enableDebugTest(2); 2937c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy drawColor(0x2f0000ff, SkXfermode::kSrcOver_Mode); 2947c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy mCaches.stencil.enableDebugTest(3); 2957c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy drawColor(0x2f00ff00, SkXfermode::kSrcOver_Mode); 2967c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy mCaches.stencil.enableDebugTest(4); 2977c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy drawColor(0x3fff0000, SkXfermode::kSrcOver_Mode); 2987c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy mCaches.stencil.enableDebugTest(4, true); 2997c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy drawColor(0x7fff0000, SkXfermode::kSrcOver_Mode); 3007c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy mCaches.stencil.disable(); 3017c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 3027c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy} 3037c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy 3046c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 305da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 306da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 307da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 308da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 309da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 310da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 31150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 31215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 313f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 31415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 3157c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 316da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 317da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 3186c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 31908837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 32008837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 32135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3227c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 32335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 3243e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 3253e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 3268025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 327586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 32882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 329746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 330da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 331a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 33250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 33350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 33450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 33550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 33650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 337da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 338da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 33935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 34035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 34135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 34235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 3437c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 34435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 34535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 34635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 34735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 34835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 349ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 350932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 351ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3528f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 353ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 354ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 355ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3568f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 357ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 358ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 3593d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 3608f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 361ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 362ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 363ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 364ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 365ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 366ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 367ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 368ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 369ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 370ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 371ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 372ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 373ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 374ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 375ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 376ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 377ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 378ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 379c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 380ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 381ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 382c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 383ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 384c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 385c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 3868f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3878f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 388beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase // protect against functors binding to other buffers 389beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.unbindMeshBuffer(); 390beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.unbindIndicesBuffer(); 391beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.activeTexture(0); 3928f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3938f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3948f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 3958f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 3968f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3978f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 398daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 399932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 400c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 4018a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mCaches.enableScissor(); 402f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 403f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 404f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 405d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 40680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 40780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 40880911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 409d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 410d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 411d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 412d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 413d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 414d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 41508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 41608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 41708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 41808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 41908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 42008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 4217b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 4227b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 42308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 42480911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 425486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 426cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 4278f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 42808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 429cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 4308f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 43165924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 432ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 4338f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 434cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 435cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 436daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 4376554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 438daf98e941e140e8739458126640183b9f296a2abChet Haase} 439daf98e941e140e8739458126640183b9f296a2abChet Haase 440f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 44111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 44211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 44311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 44411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 44511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 44611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy OpenGLRenderer* renderer = layer->renderer; 44711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 44811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 4497c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy if (inFrame) { 4507c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy endTiling(); 4517c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 4527c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy } 45311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 45411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 45511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 45611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 45711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->finish(); 45811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 45911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 46011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 46111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startTiling(mSnapshot); 46211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 46311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 46411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy dirty.setEmpty(); 46511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->deferredUpdateScheduled = false; 46611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->renderer = NULL; 46711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->displayList = NULL; 46811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 46911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 47011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 47111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 47211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 47311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 47411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 47511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 47611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 47711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 47811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startMark("Layer Updates"); 47911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // Note: it is very important to update the layers in reverse order 48111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (int i = count - 1; i >= 0; i--) { 48211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 48311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 48411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcount(layer); 48511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 48611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 48711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 48811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 48911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 49011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 49111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 49211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 49311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 49411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 49511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 49611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 49711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 49811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 49911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 50011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 50111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 50211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 50311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 50411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 50511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 50611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 50711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 50811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 50911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 51011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 51111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 51211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 513f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 514f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 515f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 516bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 5177ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 518bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 519bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 520bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 5218aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 522bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 523bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 524bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 5252542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 5262542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 5277ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 528bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 529bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 530bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 5318fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 532bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5338fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 5342542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 5357ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 536bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 537bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 5388aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 5398aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 5408fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 541bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 542bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 543bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 5447ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 545bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 546eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 547bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 548bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 5497ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 550bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 551eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 552eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 553eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 554eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 555eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 556eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5578b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 5588b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 5598b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 5602542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 561746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 5628fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 5632542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 5645ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 5655ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 5665ec9924d24495822b589f1a17996655d66273b30Romain Guy } 5675ec9924d24495822b589f1a17996655d66273b30Romain Guy 5682542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 569d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 5705cbbce535744b89df5ecea95de21ee3733298260Romain Guy 571f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 572bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 573bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 574bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 575bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 5765c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 577eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 578eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 579d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 580af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 581e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 582e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 583e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 584e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 585e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 586e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 587e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 588e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 589e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 590e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 591e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 592e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 593e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 594a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 595a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 596e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 597d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 598d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 599d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 600dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 601d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 602d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 603bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 604bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 605bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 606bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 607f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy if (alpha >= 255) { 6088aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 6098b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 6108aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 6118aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 6128aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 6138b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 614d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 615bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 6161c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6171c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 6181c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 6191c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 6201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 6211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 6221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 6231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6241c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 6251c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 6261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 6271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 6281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 6291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 6301c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 6311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6321c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 6336b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 6346b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 6356b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 6366b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 6371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 6391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 6401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 64187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 6421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 6431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 6441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 6461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 6471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 6481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 6491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 6501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 6521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 6531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 6541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 6551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 6561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 6571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 6591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 6601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 66187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 66287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 66387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 66487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 66587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 6661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 667d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 668d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 669eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 670fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 671dda570201ac851dd85af3861f7e575721d3345daRomain Guy 672eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 673eb99356a0548684a501766e6a524529ab93304c8Romain Guy 674f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 675d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 6768aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 677d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect untransformedBounds(bounds); 678d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->transform->mapRect(bounds); 679d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 680d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // Layers only make sense if they are in the framebuffer's bounds 681d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (bounds.intersect(*mSnapshot->clipRect)) { 682d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // We cannot work with sub-pixels in this case 683d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.snapToPixelBoundaries(); 684d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 685d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // When the layer is not an FBO, we may use glCopyTexImage so we 686d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // need to make sure the layer does not extend outside the bounds 687d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // of the framebuffer 688d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (!bounds.intersect(mSnapshot->previous->viewport)) { 689ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 690d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else if (fboLayer) { 691d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.set(bounds); 692d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mat4 inverse; 693d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.loadInverse(*mSnapshot->transform); 694d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.mapRect(clip); 695d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.snapToPixelBoundaries(); 696d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (clip.intersect(untransformedBounds)) { 697d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.translate(-left, -top); 698d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.set(untransformedBounds); 699d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 700d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.setEmpty(); 701d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } 702ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 703d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 704d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.setEmpty(); 705eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 706bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 707746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 708d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.getHeight() > mCaches.maxTextureSize || 709d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase (fboLayer && clip.isEmpty())) { 710d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->empty = fboLayer; 711dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 712d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 713dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 714dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 715dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 716d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (mSnapshot->invisible || mSnapshot->empty) { 717b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 718b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 719dda570201ac851dd85af3861f7e575721d3345daRomain Guy 720a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7218550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 722f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 723f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 724bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 725bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 7269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 7278aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 7289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 7299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 7309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 731a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 732dda570201ac851dd85af3861f7e575721d3345daRomain Guy 7338fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 734d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 735d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 7361d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 737eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 738d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 739eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 740eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 7419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 742514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 7439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 7449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 745d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.left, mSnapshot->height - bounds.bottom, 7469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 7479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 748514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 749514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 750d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 751514fb18827186591d66973c2362c859b64b63556Romain Guy } 7527b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 75354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 75454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 755ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 756eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 757f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 758d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 759bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 760bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 761d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 7629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 7635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 764d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 765d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagFboTarget; 766d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 767d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsFboLayer; 768d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 769d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 770d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 771d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 772d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 773d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagDirtyOrtho; 774d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 7755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7762b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 7777c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(false, false); 7785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 7799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 7809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 7815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 7839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 7849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 7859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 7865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 7899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 7905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7912b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(mSnapshot); 7925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 794586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 7958f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 7965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 7975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 7985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 8005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 8025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 8035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 8045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 8065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8081c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 8091c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 8101c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 8111d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 8121d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 8133762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 8141d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 8151d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8161d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 818eb99356a0548684a501766e6a524529ab93304c8Romain Guy 819eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8202b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 8212b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 822e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 823e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 824eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 825eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 8267c450aaa3caac2a05fcb20a177483d0e92378426Romain Guy debugOverdraw(true, false); 8272b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 8282b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(previous); 829eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 830eb99356a0548684a501766e6a524529ab93304c8Romain Guy 8311d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 8321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 8331d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 8349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 835f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 8369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 8375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 8389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 839f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 840f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 84103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 8428b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 843a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 8465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 847eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 8499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 8509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 851171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 8539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 854171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 855171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 8579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 8589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 859eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 8601d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 861eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8629c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 8639c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 8649c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 8659c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 8669c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 867eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 868eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 8695c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 870eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 871eb99356a0548684a501766e6a524529ab93304c8Romain Guy 872746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 873746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 874eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 8758550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 8761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 877603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 8781d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8791d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 8801d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 881aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 8829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 883aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 884302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 885302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 886302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 887302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 888302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 889302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 890aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 8919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 8928f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 8938f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 8948f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 8958f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 8968f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 897aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 898aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 8999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 900aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 901aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 902aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 9039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 9049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9058f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 9069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 9078f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 908ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 909ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 910ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 9119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 9129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 9139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 914d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 917d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 9199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 921aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 922aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 923aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 924aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 925aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 926302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 927302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 928302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 929302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 930aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 931aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 9339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 934aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 935aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 936aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 9375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 9399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 940b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 941ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 942b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 943b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 944b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 9459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 9469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 9479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 9489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 9499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 951d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 9529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 953d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 9549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 9569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 9579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 9589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 9599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 9609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 9615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 962aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 963aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 964aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 965aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 966aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 967aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 9685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 9715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 9729fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 9739fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 97440667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 9759fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 9765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 9775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 9785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9808a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 9818a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 982211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 9835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 9845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 9855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 9879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 9889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 989f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 9905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 9925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 9935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9947230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 9957230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 9967230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 997ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 9989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 9997230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 10007230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 10017230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 1002ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 10039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 10049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 10059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 10069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 10079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 1008d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 10099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 10109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 1011d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 10129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 10139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 101415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 10155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 10175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 10185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 1020f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 10215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 1022f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 10235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 10255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 10265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 10275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 10285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 10295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 10315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 10335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 10355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 10365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 10405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 10415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10437230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 10445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10463a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 10475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 10485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 10505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10533a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 10543a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10553a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 10563a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 10573a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10583a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 10593a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 10603a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 10613a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 10623a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10633a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 10643a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 10653a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10663a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 10673a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 10683a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 10693a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 10703a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 10713a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10723a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 10733a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 10743a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 10753a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 10763a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 10773a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 10783a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 10805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1081f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 10825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 10835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1084f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 10855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 10895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1090f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 10915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1092f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 10931bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 10941bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 10951bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 10961bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 10971bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 10981bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 10991bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 11001bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 11011bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 11025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 11055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 110654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 110754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 110854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 110954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 111054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 111154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 111254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 111354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 111454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 111554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 111654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 111754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 11188a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 111954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 112054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 112154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 112254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 112354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 112454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 112554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 112654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 112754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 112854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 112954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 113054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 113154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 113254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 113354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 113454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 113554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 113654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 113754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 113854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 113954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 114054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 114154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 114239d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 114354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 114454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 11458a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 11468a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 114754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 114854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 114954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 115054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 115154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 115254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 115354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 115454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 115554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1156bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1157f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1158f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1159f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1160f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 11618aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1162f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1163f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1164f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 11658aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1166f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1167f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1168f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 11698aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1170f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1171f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1172807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1173807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1174807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1175807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1176f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1177e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1178e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1179e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1180e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1181e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1182f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1183f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1184f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 11858aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1186f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1187f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1188f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1189e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1190e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1191e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1192e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1193f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1194f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1195f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1196f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1197f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1198f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1199bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1200e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1201e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 12028f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 12038a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 12048a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 12058a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 12068a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 12079d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 12089d5316e3f56d138504565ff311145ac01621dff4Romain Guy 12099d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1210079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1211bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1212bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 12138a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 12148a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 12158a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 12168a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 12178a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 12188a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 12198a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mSnapshot->transform->mapRect(r); 12208a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 12218a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 12228a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 12238a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 12248a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 12258a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 12268a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 12278a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 122835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, 122935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect& transformed, Rect& clip) { 123035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (mSnapshot->isIgnored()) { 123135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return true; 123235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 123335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 123435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.set(left, top, right, bottom); 123535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mSnapshot->transform->mapRect(transformed); 123635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.snapToPixelBoundaries(); 123735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 123835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.set(*mSnapshot->clipRect); 123935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.snapToPixelBoundaries(); 124035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 124135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return !clip.intersects(transformed); 124235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 124335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 1244c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1245af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1246dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1247dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1248dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 12491d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 12508aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1251d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1252d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1253d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1254d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1255d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1256586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1257586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 1258586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.setScissorEnabled(!clipRect.contains(r)); 1259586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1260586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1261586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1262c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1263c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1264079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1265079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 12667ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1267746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 12687ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 12698aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1270e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1271e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1272a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1273a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1274a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1275a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1276f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 127770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 127870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 127970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 128054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 12818a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 12828a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 128354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 128470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 128570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 128670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 128770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 128870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 128970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 129070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 129170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 129270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 129370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 129470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 129570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 129670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 129770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 129870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 129970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1300aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1301aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1302aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1303aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 130415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 130515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 130615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 130715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 13085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 130999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 13105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 13126ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craikvoid OpenGLRenderer::setupDrawAARect() { 13136ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mDescription.isAARect = true; 13146ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik} 13156ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1316ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1317ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1318ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1319ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1320ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 132170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 13228d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 13238d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 13248d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 13258d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 13268d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 13276cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 13286cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 132970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1330fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1331fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1332fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 133370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 133470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 133570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 133670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 133786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 133886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 13396cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 13406cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 134186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 134286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 134386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 134486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 134586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 134686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 134786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 134886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 13494121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 13504121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 13514121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 13524121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 135370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 135470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 135570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 135670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 135770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 135870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 135970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 136070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 136170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 136270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 136370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 136470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 136570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 136670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 136770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 136870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 136970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 137070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 137170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 137270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 137370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1374f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1375f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1376f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1377f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 137854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1379f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1380f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1381f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 138270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1383f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1384f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1385f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 138670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 138770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 138870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 138970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 139070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1391f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1392f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1393f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 139470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 139570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 139670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 139770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 139870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 139970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 140070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 140170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 140270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 140370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 140470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 140570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 140670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 140770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 140870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 140970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 141070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 141170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 141270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 141370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 141470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 141570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 141670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 141770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 14188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 14198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 14208d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 14218d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 142270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 142370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 142470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 142570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 142670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 142770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 142870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 142970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 143086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 143186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 143286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 143386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 143486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 143586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 143686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 143786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 143886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 143986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 144070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 144170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1442ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1443ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1444ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1445ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1446ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 144770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 144855fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 144970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 145070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 145170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 145270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 145386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 14545536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 145586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 14565536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 14575536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 14585536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 145970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 146070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 146170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 146270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 146370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 146470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 146570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 146670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 146770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 14688d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 14698d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 14708d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 14718d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 14728d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 14738d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 147470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 147570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 147670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 147770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 147870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 147970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 14804121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 14814121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 14824121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 14834121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 148470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1485f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1486f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 148715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 148870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 148970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 149070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 149170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 14922d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 149315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 149470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 149570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1496aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1497aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 14982d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 149915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1500aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1501aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 15028f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 15038f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 15048f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 15058f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 15068f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1507aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1508aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1509aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1510aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 151170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1512f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 151370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1514f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 151570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1516f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 151770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1518d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1519f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 152015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 152115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 152215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 152315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 152415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 152515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 152615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 152715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 152815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 152915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 153015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 153115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 15328d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 153370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 153470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 15355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1536f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1537f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1538f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 153915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 15405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 15415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 15425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 15435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 154499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 154599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 154699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 154799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 154899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 154999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 155099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 155199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 15525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 155399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 15547b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1555f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1556f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1557f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1558f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 155915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1560d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 15617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 156299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 156399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1564d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 15657b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 156699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 156799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1568d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 15695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 157099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 15717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 15727b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 15737b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 15747b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 15757b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 15765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 15775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 157870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 157970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 158070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 158170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1582f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1583f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1584f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 15851271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 158633f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1587b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 15880fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 15890fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 159004c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 15911271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 15920fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 15937b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 15946554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 15950fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 15960fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1597ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1598ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1599ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1600ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1601ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1602ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1603a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1604a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1605a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1606a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1607a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1608a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1609a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1610a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1611e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1612a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1613a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1614a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1615a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1616a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1617e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1618d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1619d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1620a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1621a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1622a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1623a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 16245b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 16255b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 16265b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1627a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1628a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1629a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1630a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1631a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1632e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1633a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1634d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1635d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1636e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1637a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1638a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1639a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1640a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1641a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1642a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1643a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1644a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1645a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1646a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1647486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 16486926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 16496926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 16506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 16516926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1652486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16536926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1655a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16568164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1657486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 165822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 165922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1660211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1661a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1662a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1663a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1664a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1665486590963e2207d68eebd6944fec70d50d41116aChet Haase 1666486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 16678ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 16688ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1669486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1670f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1671f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1672f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1673f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 16746926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1675486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1678a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16798164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1680486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 168122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 168222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 16835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 16845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 16855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 16865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 16875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 16885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1689486590963e2207d68eebd6944fec70d50d41116aChet Haase 1690486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1691f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1692f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1693486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1694e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1695e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1696e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1697e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1698486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1699e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1700e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1701e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1702e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1703e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1704e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1705e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1706486590963e2207d68eebd6944fec70d50d41116aChet Haase 1707486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1708e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1709e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1710486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 17115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 17125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 17135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1714486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 17155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 17165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1717a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 17185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1719486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 17205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1721e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1722d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1723d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 17245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 17265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 17275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 17285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 17305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1731b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1732b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1733b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1734b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1735b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1736211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1737b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1738a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1739a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 17405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 17415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 17425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 17435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 17445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 17465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 17475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 17485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 17495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 17515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 17525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 17535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 17545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 17555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 17565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 17575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 17585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 17605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 17615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 17625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 17645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 17655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1766b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1767b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1768b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1769b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1770b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1771b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1772b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1773b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 17745a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 17755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 17765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1777b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1778b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1779b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1780b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 17815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 17825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1783b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 1784486590963e2207d68eebd6944fec70d50d41116aChet Haase 1785486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 17865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 17875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1788486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 17898ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 17908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 17915c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 17926926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 1793486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 17946926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 17956926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1796a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 17978164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1798486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 179922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 18008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 18018ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 18028ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1803c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 18046816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 18056816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 18066816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 18076816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1808c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 180903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 18108ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 18118ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 181203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 181303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 181403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 181503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1816d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1817d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1818211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 18196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 18206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 18216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1822b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1823631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1824631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1825d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1826b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1827b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1828d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 18296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 18306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 18316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 18326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 18336620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1834d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 18356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 18366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 18376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 18386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 18398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 18408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1841486590963e2207d68eebd6944fec70d50d41116aChet Haase 1842486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1843ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1844ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1845486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 18464bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 18475c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 1848be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 1849be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 1850be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 1851be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1852be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 1853be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 1854be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 1855be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1856be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1857be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1858be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 18596926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1860486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1863be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 1864be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1865a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 18668164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1867486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 186822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1869d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1870d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1871f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 18722728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 18734bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1874f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1875211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 18766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 18775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 18788168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1879c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1880c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 18815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 18825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 18838ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1884211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1885c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1886c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1887c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 18886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1889c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1890c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 18916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 18925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 18935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 18945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1895211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 18966620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 18976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 18986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 18996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 19006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 19016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 19026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 19036620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 19046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 19056620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 19066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 19076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 19086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1909054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1910486590963e2207d68eebd6944fec70d50d41116aChet Haase 1911486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1912f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1913f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 191499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1915858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 19166ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * We expand the rectangle by a half pixel in screen space on all sides. However, instead of using 19176ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * a fragment shader to compute the translucency of the color from its position, we simply use a 19186ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * varying parameter to define how far a given pixel is into the region. 1919858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1920858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1921181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1922858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1923858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 192404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 1925858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1926211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 1927858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1928858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1929858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1930858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 19319147cd4ac56d53dec6da1ef13dd04ba1eec1a7dfChris Craik float m11 = mat->data[Matrix4::kScaleY]; 1932858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1933858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1934858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1935858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1936858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1937858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1938858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1939858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1940858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 19416ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerLeft = left + boundarySizeX; 19426ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerRight = right - boundarySizeX; 19436ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerTop = top + boundarySizeY; 19446ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerBottom = bottom - boundarySizeY; 19456ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1946858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1947858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1948858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1949858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1950858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1951858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 195204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickReject(left, top, right, bottom)) { 195304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDraw(); 195404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawNoTexture(); 19556ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik setupDrawAARect(); 195604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 195704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorFilter(); 195804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawShader(); 195904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawBlending(true, mode); 196004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawProgram(); 196104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawModelViewIdentity(true); 196204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorUniforms(); 196304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorFilterUniforms(); 196404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawShaderIdentityUniforms(); 1965858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 19666ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex rects[14]; 19676ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex* aVertices = &rects[0]; 19686ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik void* alphaCoords = ((GLbyte*) aVertices) + gVertexAlphaOffset; 19696ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 19706ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik bool force = mCaches.unbindMeshBuffer(); 19716ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 19726ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik aVertices, gAlphaVertexStride); 19736ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mCaches.resetTexCoordsVertexPointer(); 19746ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mCaches.unbindIndicesBuffer(); 19756ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 19766ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik int alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 19776ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 19786ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 19796ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 19806ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw left 19816ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, left, bottom, 0); 19826ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerBottom, 1); 19836ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, left, top, 0); 19846ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerTop, 1); 19856ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 19866ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw top 19876ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, right, top, 0); 19886ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerTop, 1); 19896ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 19906ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw right 19916ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, right, bottom, 0); 19926ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerBottom, 1); 19936ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 19946ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw bottom 19956ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, left, bottom, 0); 19966ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerBottom, 1); 19976ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 19986ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw inner rect (repeating last vertex to create degenerate bridge triangles) 19996ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // TODO: also consider drawing the inner rect without the blending-forced shader, if 20006ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // blending is expensive. Note: can't use drawColorRect() since it doesn't use vertex 20016ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // buffers like below, resulting in slightly different transformed coordinates. 20026ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerBottom, 1); 20036ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerTop, 1); 20046ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerBottom, 1); 20056ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerTop, 1); 2006858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2007858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 200804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 20096ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, 14); 20107b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20116ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 201204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 2013858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 2014858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 2015858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 201699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 201799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 201899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 201999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 202099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 202199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 202299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 202399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 202499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 202599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 202699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 202799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 202899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 202999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 203099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 203199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 203299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 2033486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 2034486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 20358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 20368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 203799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 203899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 203999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 20408a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 20418a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 20428a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 20437b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 204499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 204599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 204699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 20477b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20488a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 20498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 20507b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20518a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 20525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 20535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 2054c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 205599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 205699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 205799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 205899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 205999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 206099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 206199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 2062211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 206399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 206499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 206599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 206699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 20679147cd4ac56d53dec6da1ef13dd04ba1eec1a7dfChris Craik float m11 = mat->data[Matrix4::kScaleY]; 20687b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2069211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 2070211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 20717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 207299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 207399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 20747b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 207599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 207699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 207799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 207899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20808a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 20818a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 208204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 208304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 208404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 20858a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 208615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 20878a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 20888a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 20898a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 20908a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 20918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 20928a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 2093211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 20948a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 20958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 20968a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 20978a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 20988a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 20998a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 21008a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 21018a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 210299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 210399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 21045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 210599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 21065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21077b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21087b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 21097b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 21107b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 21125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 21137b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 211499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 211599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 21167b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2117211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 21185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 21195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 212099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 212199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 212299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 21235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 21245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 212599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 212699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 21278f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik float boundaryWidthProportion = .5 - 1 / (2 * halfStrokeWidth); 21287b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 21297b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 21305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 213299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 213399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 2134740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 213599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 213699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 21377b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 21395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 21405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 21415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 21427b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 214399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 214499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 214599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 21465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 21475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 214899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 214975040f8a7727f18bb33da23696a32a0760926ff2Chris Craik float x = n.x; 215075040f8a7727f18bb33da23696a32a0760926ff2Chris Craik n.x = -n.y; 215175040f8a7727f18bb33da23696a32a0760926ff2Chris Craik n.y = x; 215275040f8a7727f18bb33da23696a32a0760926ff2Chris Craik 21538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 21548a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 21558a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 21568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 21578a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 21588a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 21598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 21608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 21618a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 21625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21637b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 216499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 216599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 216699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 216799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 216899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 216999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 217099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 217199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 217299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 217399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 21747b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 217599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 217699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 217775040f8a7727f18bb33da23696a32a0760926ff2Chris Craik boundaryWidthProportion = .5 - extendedNLength / (halfStrokeWidth + extendedNLength); 217899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 21795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21807b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 218199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 218299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 218399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 218499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 218599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 21867b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 218799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 218899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 218999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 219099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 21918f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - abLength / (length + abLength); 219299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 21938f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - .5 / (length + 1); 219499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 21957b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 219699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 219799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 219899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 219999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 220099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 22015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 22025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 22035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 22045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 22055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 22065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 220799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 22085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 22095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 22105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 22115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 22125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 221304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickRejectNoScissor(left, top, right, bottom)) { 22145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 22155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 22165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 22175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 22185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 22195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 22205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 22215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 22225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 22235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22247b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 22265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 22275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 22285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 22297b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 22315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 22325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 223399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 223499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 223599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 223699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 223799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 223899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 223999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 22407b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 224199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 224299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 22437b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 224499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 224599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 224699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 22477b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 224899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 224999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 22505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 22515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 22525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 22535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 22545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 225599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 225699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 225799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 22585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 22595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22607b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 226199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 226299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 226399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 226499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 22657b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 22675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 22685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22697b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 227099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 227199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 227299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 22735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22757b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 22775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 22785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22797b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22807b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 22817b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 22827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 2283486590963e2207d68eebd6944fec70d50d41116aChet Haase 2284486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 22855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 22865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2287486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2288486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2289ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2290ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2291ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2292ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 22935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2294ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 22958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2296ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 22978a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 22988a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 22998a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 23008a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 23018a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2302ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2303ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2304ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2305ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2306ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2307ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2308ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2309ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2310ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2311ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 231204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 231304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 231404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 231504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2316ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 231715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 23188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2319ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2320ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2321ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2322ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2323ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 23248a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2325ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2326ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2327ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2328ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2329ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2330ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2331ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2332ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2333ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 23347b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 23358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 23368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 23378a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 23388a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 23397b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 23408a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2341ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2342ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2343ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2344486590963e2207d68eebd6944fec70d50d41116aChet Haase 2345486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2346ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2347ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2348486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2349e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2350486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2351e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2352ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2353ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 235470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 23553d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2356486590963e2207d68eebd6944fec70d50d41116aChet Haase 2357486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2358c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 23599d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2360486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2361486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2362486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 236301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 236401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 236501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 236601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 236701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 236801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2369486590963e2207d68eebd6944fec70d50d41116aChet Haase 2370486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 237101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 237201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2373486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2374c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 2375486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 237601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2377a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2378c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2379c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2380486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2381c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 238201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2383486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2384486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2385c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2386a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 238701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2388486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(x - radius, y - radius, texture, paint); 2389c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 239001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2391486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2392486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2393486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 239401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2395a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2396c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2397486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2398c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2399c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2400486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 24018b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 2402486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 24038b2f5267f16c295f12faab810527cd6311997e34Romain Guy 24048b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2405486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawOval(left, top, right, bottom, paint); 24068b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 24078b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2408a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 24098b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 24108b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 2411486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 24128b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 24138b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2414486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2415c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2416486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2417c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2418a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2419c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2420486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 242101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 242201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2423486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2424c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2425486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawRectAsShape(left, top, right, bottom, p); 2426c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2427c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 24286926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2429486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 24306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 24316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2432026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2433746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2434a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2435a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2436a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2437a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2438a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2439a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2440a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2441026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2442026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2443026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2444181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2445858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2446858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2447858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2448858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2449486590963e2207d68eebd6944fec70d50d41116aChet Haase 2450486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2451c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 24529d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2453416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2454416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2455416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2456416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2457416a847633680d94efb926837efdc18726d54918Raph Levien 2458416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2459416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2460416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2461416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2462416a847633680d94efb926837efdc18726d54918Raph Levien paint, text, bytesCount, count, mShadowRadius, positions); 2463416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2464416a847633680d94efb926837efdc18726d54918Raph Levien 2465416a847633680d94efb926837efdc18726d54918Raph Levien const float sx = x - shadow->left + mShadowDx; 2466416a847633680d94efb926837efdc18726d54918Raph Levien const float sy = y - shadow->top + mShadowDy; 2467416a847633680d94efb926837efdc18726d54918Raph Levien 2468416a847633680d94efb926837efdc18726d54918Raph Levien const int shadowAlpha = ((mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2469416a847633680d94efb926837efdc18726d54918Raph Levien int shadowColor = mShadowColor; 2470416a847633680d94efb926837efdc18726d54918Raph Levien if (mShader) { 2471416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2472416a847633680d94efb926837efdc18726d54918Raph Levien } 2473416a847633680d94efb926837efdc18726d54918Raph Levien 2474416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2475416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2476416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2477416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2478416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2479416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2480416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2481416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2482416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2483416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2484416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2485416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2486416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2487416a847633680d94efb926837efdc18726d54918Raph Levien 2488416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2489416a847633680d94efb926837efdc18726d54918Raph Levien} 2490416a847633680d94efb926837efdc18726d54918Raph Levien 2491486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2492eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2493671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 24949c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2495486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2496eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2497eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2498671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2499671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2500486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2501671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2502671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2503671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2504671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2505671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2506671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2507671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2508671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2509671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2510671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2511b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2512671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2513671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2514671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2515671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2516671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2517671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2518671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2519416a847633680d94efb926837efdc18726d54918Raph Levien if (CC_UNLIKELY(mHasShadow)) { 2520416a847633680d94efb926837efdc18726d54918Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2521416a847633680d94efb926837efdc18726d54918Raph Levien 0.0f, 0.0f); 2522416a847633680d94efb926837efdc18726d54918Raph Levien } 2523416a847633680d94efb926837efdc18726d54918Raph Levien 2524671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2525671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2526671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2527671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2528671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2529671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2530671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2531671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 25324121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2533671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2534671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2535671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2536671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2537671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2538671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2539671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2540671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2541671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2542671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2543671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2544671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 25454121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2546671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2547671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2548671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2549671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2550211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2551671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2552671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2553671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2554671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2555671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2556671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2557671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2558671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2559671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2560671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2561486590963e2207d68eebd6944fec70d50d41116aChet Haase 2562486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2563eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2564eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2565c25259519f1b74bb62a2b051b74537f073436b5cRomain Guystatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2566996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2567671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 25689c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2569486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2570e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2571e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2572a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2573e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2574e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2575e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2576e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2577e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2578e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2579e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2580e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2581e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2582e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2583e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2584cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2585cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 258633f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2587486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2588cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2589cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 25903a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 25913a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 25926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2593211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 25946620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 25956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 25966620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 25976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2598ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 2599c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy ALOGD("OpenGLRenderer drawText() with FontID=%d", 2600996e57c84368058be793897ebc355b917a59abc2Raph Levien SkTypeface::UniqueID(paint->getTypeface())); 2601ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2602eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2603b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2604b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2605fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2606e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 260786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 260886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 260986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 26109d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2611211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 2612996e57c84368058be793897ebc355b917a59abc2Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2613996e57c84368058be793897ebc355b917a59abc2Raph Levien oldX, oldY); 26141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 26151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 26176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 26186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 26196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 26206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 26215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 262216c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2623a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 262486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 26254121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 262686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 262786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 262886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 262986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 263086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 263186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 263286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 263386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 263416c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 263516c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 263686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 263786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 263886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 263986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 26404121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 264106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 26426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 26435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 26445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2645211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2646894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2647996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 26488b4072d3fb9bb49d774d97689a065204beca1752Raph Levien if (paint->getTextAlign() != SkPaint::kLeft_Align) { 26498b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 26508b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 26518b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2652996e57c84368058be793897ebc355b917a59abc2Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2653996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 26548b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 26558b4072d3fb9bb49d774d97689a065204beca1752Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2656996e57c84368058be793897ebc355b917a59abc2Raph Levien } 26574ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 26584ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (status && hasActiveLayer) { 26594ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (!pureTranslate) { 26604ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy mSnapshot->transform->mapRect(bounds); 26615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 26624ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 26635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2664694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 26653a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2666486590963e2207d68eebd6944fec70d50d41116aChet Haase 2667486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2668694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2669694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2670486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2671325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 267203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 267303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2674486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 267503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 267603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2677b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 267803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 267903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 268003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 268103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 268203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 268303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 268403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 268503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 268603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 26874121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 268803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 268903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 269003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 269103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 269203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 269303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 269403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 26959777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 269603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 269703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 269803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 26999777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 27004121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 27019777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 27029777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 27039777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 270403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 27059777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 27069777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 27079777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 27089777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 27099777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 27109777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 27119777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 27129777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 27139777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2714486590963e2207d68eebd6944fec70d50d41116aChet Haase 2715486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2716325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2717325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2718486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2719486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2720dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2721a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 27227fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 272333f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2724fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2725486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 272622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 27277fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 27288b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 27298b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 27308b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 273101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2732486590963e2207d68eebd6944fec70d50d41116aChet Haase 2733486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 27347fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 27357fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2736486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 273735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2738486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 27396c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 27406c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 274135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect transformed; 274235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect clip; 274335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 274435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), transformed, clip); 27454ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 274635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 274735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 274835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 274935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 275035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy bool debugLayerUpdate = false; 275111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (updateLayer(layer, true)) { 27524ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy debugLayerUpdate = mCaches.debugLayersUpdates; 27532bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 27542bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 275535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.setScissorEnabled(!clip.contains(transformed)); 2756a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 27576c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2758211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2759c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 276040667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2761c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 2762d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase const float a = layer->getAlpha() / 255.0f; 2763d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase SkiaColorFilter *oldFilter = mColorFilter; 2764d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase mColorFilter = layer->getColorFilter(); 2765c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2766c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2767c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 27688168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2769c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 27709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2771c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2772c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2773c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 27749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2775211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 27764ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int tx = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 27774ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int ty = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 27789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2779d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 27804ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 27814ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 27829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2783d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 27849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 27859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 27869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2787c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2788c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2789c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2790c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2791c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2792c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 27933a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 2794d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase mColorFilter = oldFilter; 2795d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 27963a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 27973a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 27983a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2799c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 28004ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 28014ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (debugLayerUpdate) { 28024ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 28034ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 28044ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 2805f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2806486590963e2207d68eebd6944fec70d50d41116aChet Haase 2807486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 28086c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 28096c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 28106926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2811d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2812d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2813d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2814d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 281506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 281606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 281706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 281806f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 281906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 282006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2821fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 282206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 28237fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 28247fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2825d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2826db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2827db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2828db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2829db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2830db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2831db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2832db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2833db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2834db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2835db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2836db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2837db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 28381e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 28391e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 28401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 28411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 28421e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 28431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 28441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 28451e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 28461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 28471e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 28481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 28491e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 28501e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 28511e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 28521e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 28531e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 28545ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 28555ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 28565ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28575ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 28585ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 28595ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 28605ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28615ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 28625ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 28635ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 28645ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 28655ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 28665ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28675ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2868dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 28695ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28705ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 28715ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28725ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 28735ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 28745ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28755ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 28765ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 28775ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28785ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 28796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 28806926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 28816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 288201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 288301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 288401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 288501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 288601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 288701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 288801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 288901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 289001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 289101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 289201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 289301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 289401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 289501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 289601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 289701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 289801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 289901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 290001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 290101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 290201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 290301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 290401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 290501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 290601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 290701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 290801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 290901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 291001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2911f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 29120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 29130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 29140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 29150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 29160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 29170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 29180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 29190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 29200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2921726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 29220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 29230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 29240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2925726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 29260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 29270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2928211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2929726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2930f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 29310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 29328b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 29330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2934e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2935f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2936f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2937f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2938f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2939f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2940e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2941e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 29420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 29430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 29440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2945e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2946e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2947e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2948e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 29490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 29500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 29510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 29520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2953e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2954e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2955e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2956e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 29570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2958e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2959726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2960e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2961726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 29620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 29630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 29640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 29650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2966026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 29671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2968d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 296906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2970d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2971d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2972d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 297370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 297415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 29759c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 297670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 297770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 297870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 297970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 298070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 298170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 298270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 298370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 298470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2985c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2986c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2987c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2988c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 298982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 29908164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 299182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 299282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 299382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 299482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2995d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 29968164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2997211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 29986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 29996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 30006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 3001d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 30026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 30036620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 30046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 30056620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 3006d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 30076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 30086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 30096620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 30106620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 301185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 301285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3013bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 3014a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 3015a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 301603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 3017f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 3018f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 3019f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 3020a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 30216820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 30225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 30238694230ff25fa0a60e480d424843e56b718f0516Romain Guy 302470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 302570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 302670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 302770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 302870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 302970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 303070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 303170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 3032db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 30335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 303470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 303503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 303670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 3037db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 303886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 303970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 304070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 304170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 3042db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 30436820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 304470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 304570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 304682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 304782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3048a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3049f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 305082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3051c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 305282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 305382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 305482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 305582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 305682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 305782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 305833fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 3059211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 3060a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3061f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3062a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 306382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 306482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 306582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 306682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 306782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 306882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 306982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 307082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3071a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 307282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 307382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 307482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 307582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 307682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 307782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 307882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 307982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 308082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 308182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 308282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 308382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 308482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 308582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3086fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 308782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 308882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3089fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3090bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3091bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3092889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3093d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3094fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3095d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3096fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 30976926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3098260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 30996926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3100260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3101260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3102026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3103ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 310482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 310582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 310682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 310782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 31088ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 31098ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 31105c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 3111be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 3112db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3113026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3114026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 31159d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3116e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3117