OpenGLRenderer.cpp revision 45e4c3df6c00ac98ff6144de9af574877d4fff19
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 2403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy#include <SkPathMeasure.h> 25694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy 275cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 28e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 36a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 37e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 38e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 399d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 409d5316e3f56d138504565ff311145ac01621dff4Romain Guy 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy 45759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 46759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 47759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 48f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 49dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 50d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy#define FILTER(paint) (paint && paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 51d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 529d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy 56889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 65026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 66026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 682ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 692ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 83026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 84e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 88f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 104f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 105f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 106f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 110fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 112db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 1145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 115026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 116ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 118ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 119e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 120e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12229d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12329d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 124e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 126f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 12713631f3da855f200a151e7837ed9f6b079622b58Romain Guy// Debug 12813631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 12913631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13013631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 13113631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.startMark(0, name); 13213631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13313631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13413631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::endMark() const { 13513631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.endMark(); 13613631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13713631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13813631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 139f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 140f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 141f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14249c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 14349c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 14449c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 14549c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 14685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 147260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 148bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 149bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 150bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 151eb99356a0548684a501766e6a524529ab93304c8Romain Guy 152eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 153eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 154746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1553e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glDisable(GL_DITHER); 1563e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 15715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1583e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glEnableVertexAttribArray(Program::kBindingPosition); 159e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 160e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 16144b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepare(bool opaque) { 16244b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1637d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1647d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 16544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 166fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 167fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1688aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1698aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17084962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1718fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 172f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1737d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 174ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mDirtyClip = opaque; 175ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 17645e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // If we know that we are going to redraw the entire framebuffer, 17745e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // perform a discard to let the driver know we don't need to preserve 17845e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // the back buffer for this frame. 17945e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy if (mCaches.extensions.hasDiscardFramebuffer() && 18045e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy left <= 0.0f && top <= 0.0f && right >= mWidth && bottom >= mHeight) { 18145e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy const GLenum attachments[] = { getTargetFbo() == 0 ? GL_COLOR_EXT : GL_COLOR_ATTACHMENT0 }; 18245e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 18345e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy } 18445e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 185ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 1867d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1876b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 188586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 189ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 1906b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 19144b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 192ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 193ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.resetScissor(); 194ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 19544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 19644b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 197ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 198ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 199ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 200ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 201ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 202ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 203ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 204ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 205ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2066b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 207bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 208bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 209b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 210b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 211b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 212b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 2135baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error from OpenGLRenderer: 0x%x", status); 214a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 215a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_ENUM: 216a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_ENUM"); 217a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 218a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_VALUE: 219a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_VALUE"); 220a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 221a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_OPERATION: 222a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_OPERATION"); 223a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 224a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 225a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" Out of memory!"); 226a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 227a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 228b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 229b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 230c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 231c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 232e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 233e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 234e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 235e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 236c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 237b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 238b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2396c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 240da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 241da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 242da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 243da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 244da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 245da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 24650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 24715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 248f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 24915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 250da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 251da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2526c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 25308837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 25408837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase 25508837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 2563e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2573e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 2588025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 259586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 26082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 261746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 262da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 263a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 26408837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 26550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 26650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 26750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 26850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 26950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 270da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 271da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 272ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 273932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 274ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2758f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 276ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 277ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 278ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2798f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 280ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 281ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 2823d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 2838f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 284ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 285ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 286ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 287ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 288ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 289ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 290ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 291ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 292ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 293ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 294ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 295ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 296ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 297ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 298ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 299ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 300ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 301ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 302c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 303ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 304ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 305c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 306ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 307c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 308c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 3098f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3108f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 311beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase // protect against functors binding to other buffers 312beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.unbindMeshBuffer(); 313beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.unbindIndicesBuffer(); 314beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.activeTexture(0); 3158f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3168f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3178f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 3188f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 3198f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3208f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 321daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 322932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 323c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 3248a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mCaches.enableScissor(); 325f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 326f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 327f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 328d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 32980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 33080911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 33180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 332d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 333d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 334d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 335d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 336d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 337d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 33808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 33908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 34008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 34108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 34208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 34308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 3447b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 3457b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 34608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 34780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 348486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 349cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 3508f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 35108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 352cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 3538f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 35465924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 355ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 3568f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 357cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 358cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 359daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 3606554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 361daf98e941e140e8739458126640183b9f296a2abChet Haase} 362daf98e941e140e8739458126640183b9f296a2abChet Haase 363f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 364f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 365f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 366f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 367bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 3687ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 369bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 370bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 371bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 3728aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 373bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 374bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 375bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 3762542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 3772542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3787ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 379bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 380bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 381bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 3828fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 383bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3848fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 3852542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3867ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 387bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 388bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3898aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 3908aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 3918fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 392bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 393bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 394bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 3957ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 396bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 397eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 398bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 399bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 4007ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 401bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 402eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 403eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 404eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 405eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 406eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 407eb99356a0548684a501766e6a524529ab93304c8Romain Guy 4088b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 4098b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 4108b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 4112542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 412746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 4138fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 4142542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 4155ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 4165ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 4175ec9924d24495822b589f1a17996655d66273b30Romain Guy } 4185ec9924d24495822b589f1a17996655d66273b30Romain Guy 4192542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 420d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 4215cbbce535744b89df5ecea95de21ee3733298260Romain Guy 422f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 423bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 424bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 425bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 426bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 4275c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 428eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 429eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 430d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 431af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 432e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 433e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 434e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 435e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 436e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 437e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 438e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 439e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 440e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 441e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 442e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 443e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 444e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 445a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 446a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 447e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 448d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 449d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 450d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 451dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 452d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 453d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 454bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 455bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 456bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 457bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 458f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy if (alpha >= 255) { 4598aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 4608b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 4618aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 4628aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 4638aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 4648b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 465d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 466bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 4681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 4691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 4701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 4711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 4721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 4731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 4741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 4761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 4771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 4781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 4791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 4801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 4811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 4821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 4846b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 4856b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 4866b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 4876b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 4881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 4901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 4911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 49287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 4931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 4941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 4951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 4971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 4981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 4991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 5001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 5011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 5031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 5041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 5051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 5061c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 5071c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 5081c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5091c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 5101c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 5111c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 51287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 51387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 51487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 51587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 51687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 5171c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 518d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 519d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 520eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 521fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 522dda570201ac851dd85af3861f7e575721d3345daRomain Guy 523eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 524eb99356a0548684a501766e6a524529ab93304c8Romain Guy 525f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 526d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 5278aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 528d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect untransformedBounds(bounds); 529d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->transform->mapRect(bounds); 530d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 531d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // Layers only make sense if they are in the framebuffer's bounds 532d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (bounds.intersect(*mSnapshot->clipRect)) { 533d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // We cannot work with sub-pixels in this case 534d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.snapToPixelBoundaries(); 535d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 536d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // When the layer is not an FBO, we may use glCopyTexImage so we 537d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // need to make sure the layer does not extend outside the bounds 538d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // of the framebuffer 539d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (!bounds.intersect(mSnapshot->previous->viewport)) { 540ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 541d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else if (fboLayer) { 542d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.set(bounds); 543d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mat4 inverse; 544d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.loadInverse(*mSnapshot->transform); 545d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.mapRect(clip); 546d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.snapToPixelBoundaries(); 547d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (clip.intersect(untransformedBounds)) { 548d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.translate(-left, -top); 549d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.set(untransformedBounds); 550d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 551d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.setEmpty(); 552d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } 553ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 554d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 555d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.setEmpty(); 556eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 557bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 558746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 559d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.getHeight() > mCaches.maxTextureSize || 560d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase (fboLayer && clip.isEmpty())) { 561d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->empty = fboLayer; 562dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 563d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 564dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 565dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 566dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 567d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (mSnapshot->invisible || mSnapshot->empty) { 568b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 569b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 570dda570201ac851dd85af3861f7e575721d3345daRomain Guy 571a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 5728550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 573f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 574f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 575bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 576bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 5788aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 5799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 5809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 5819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 582a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 583dda570201ac851dd85af3861f7e575721d3345daRomain Guy 5848fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 585d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 586d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 5871d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 588eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 589d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 590eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 591eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 5929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 593514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 5949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 596d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.left, mSnapshot->height - bounds.bottom, 5979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 5989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 599514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 600514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 601d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 602514fb18827186591d66973c2362c859b64b63556Romain Guy } 6037b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 60454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 60554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 606ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 607eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 608f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 609d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 610bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 611bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 612d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 6139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 6145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 615d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 616d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagFboTarget; 617d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 618d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsFboLayer; 619d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 620d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 621d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 622d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 623d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 624d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagDirtyOrtho; 625d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 6265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 6289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 6299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 6305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 6329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 6339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 6349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 6355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 6389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 6425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 6433762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Framebuffer incomplete (GL error code 0x%x)", status); 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 6469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 6505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 6525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 656586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 6578f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 6595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 6605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 6645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 6655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 6665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 6685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 6721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 6731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 6741d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 6753762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 6761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 6771d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6781d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 680eb99356a0548684a501766e6a524529ab93304c8Romain Guy 681eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 682e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 683e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 684e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy 685eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 686eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 687eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 688eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6891d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 6901d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 6911d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 693f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 6949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 6955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 6969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 697f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 698f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 69903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 7008b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 701a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 7045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 705eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 7079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 7089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 709171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 7119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 712171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 713171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 7159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 7169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 717eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 7181d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 719eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7209c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 7219c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 7229c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 7239c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 7249c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 725eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 726eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 7275c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 728eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 729eb99356a0548684a501766e6a524529ab93304c8Romain Guy 730746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 731746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 732eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 7338550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 7341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 7359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 7361d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 7371d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 7381d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 7391d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 740aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 7419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 742aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 743302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 744302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 745302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 746302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 747302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 748302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 749aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 7509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7518f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 7528f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7538f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 7548f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 7558f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 756aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 757aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 7589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 759aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 760aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 761aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 7629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7648f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 7668f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 767ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 768ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 769ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 7709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 773d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 776d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 7789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 780aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 781aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 782aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 783aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 784aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 785302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 786302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 787302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 788302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 789aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 790aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 7915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 7929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 793aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 794aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 795aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 7965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 7989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 799b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 800ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 801b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 802b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 803b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 8049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 8059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 8069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 810d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 8119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 812d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 8139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 8159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 8169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 8179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 8189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 8199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 8205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 821aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 822aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 823aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 824aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 825aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 826aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 8275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 8305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 8319fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 8329fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 83340667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 8349fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 8355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 8375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8398a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 8408a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 841211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 8425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 8435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 8469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 8479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 848f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 8495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8537230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 8547230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 8557230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 856ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 8579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 8587230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 8597230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 8607230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 861ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 8629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 8639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 8649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 867d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 8689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 8699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 870d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 8719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 8729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 87315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 8775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 879f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 8805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 881f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 8845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 8855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 8865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 8875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 8885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 8905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 8925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 8945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 8955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 8995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 9005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9027230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 9035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9053a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 9065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 9095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9123a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 9133a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 9153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 9163a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 9183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 9193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 9203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 9213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 9233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 9243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 9263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 9273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 9283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 9293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 9323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 9333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 9343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 9363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 9373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 940f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 9425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 943f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 949f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 951f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9521bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 9531bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 9541bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 9551bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 9561bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 9571bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 9581bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 9591bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 9601bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 9615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 96554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 96654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 96754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 96854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 96954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 97054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 97154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 97254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 97354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 97554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 97654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 9778a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 97854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 98054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 98154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 98354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 98454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 98654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 98754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 98854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 98954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 99054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 99154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 99354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 99454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 99654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 99754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 99854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 99954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 100054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 100139d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 100254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 10048a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10058a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 100654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 100754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 100854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 100954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 101054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 101154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 101254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 101354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 101454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1015bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1016f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1017f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1018f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1019f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 10208aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1021f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1022f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1023f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 10248aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1025f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1026f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1027f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 10288aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1029f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1030f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1031807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1032807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1033807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1034807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1035f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1036e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1037e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1038e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1039e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1040e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1041f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1042f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1043f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 10448aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1045f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1046f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1047f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1048e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1049e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1050e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1051e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1052f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1053f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1054f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1055f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1056f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1057f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1058bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1059e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1060e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 10618f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 10628a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 10638a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 10648a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 10658a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 10669d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 10679d5316e3f56d138504565ff311145ac01621dff4Romain Guy 10689d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1069079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1070bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1071bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 10728a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 10738a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 10748a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 10758a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 10768a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10778a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 10788a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mSnapshot->transform->mapRect(r); 10798a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 10808a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10818a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 10828a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 10838a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 10848a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 10858a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 10868a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 1087c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1088af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1089dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1090dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1091dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 10921d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 10938aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1094d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1095d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1096d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1097d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1098d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1099586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1100586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 1101586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.setScissorEnabled(!clipRect.contains(r)); 1102586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1103586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1104586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1105c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1106c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1107079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1108079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 11097ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1110746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 11117ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 11128aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1113e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1114e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1115a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1116a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1117a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1118a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1119f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 112070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 112170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 112270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 112354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 11248a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 11258a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 112654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 112770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 112870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 112970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 113070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 113170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 113270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 113370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 113470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 113570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 113670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 113770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 113870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 113970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 114070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 114170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 114270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1143aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1144aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1145aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1146aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 114715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 114815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 114915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 115015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 11515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 115299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 11535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 11556ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craikvoid OpenGLRenderer::setupDrawAARect() { 11566ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mDescription.isAARect = true; 11576ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik} 11586ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1159ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1160ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1161ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1162ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1163ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 116470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 11658d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 11668d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11678d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 11688d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 11698d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 11706cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 11716cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 117270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1173fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1174fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1175fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 117670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 117770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 117870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 117970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 118086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 118186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 11826cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 11836cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 118486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 118586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 118686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 118786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 118886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 118986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 119086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 119186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 11924121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 11934121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 11944121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 11954121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 119670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 119770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 119870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 119970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 120070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 120170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 120270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 120370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 120570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 120670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 120770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 120870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 120970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 121170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 121270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 121370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 121470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 121570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1217f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1218f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1219f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1220f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 122154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1222f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1223f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1224f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 122570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1226f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1227f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1228f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 122970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 123070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 123170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1234f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1235f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1236f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 123770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 123870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 123970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 124170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 124270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 124370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 124570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 124670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 124770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 124970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 125070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 125170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 125270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 125370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 125470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 125570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 125670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 125770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 125870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 125970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 126070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12618a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 12628a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 12638d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12648d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 126570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 126670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 126770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 126870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 126970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 127070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 127170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 127270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 127386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 127486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 127586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 127686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 127786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 127886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 127986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 128086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 128186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 128286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 128370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 128470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1285ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1286ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1287ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1288ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1289ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 129070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 129155fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 129270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 129370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 129470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 129570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 129686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 12975536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 129886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 12995536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 13005536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 13015536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 130270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 130370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 130470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 130570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 130670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 130770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 130870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 130970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13118d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 13128d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 13138d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 13148d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 13158d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 13168d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 131770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 131870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 131970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 132070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 132170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 132270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13234121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 13244121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 13254121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 13264121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 132770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1328f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1329f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 133015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 133170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 133270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 133370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 133470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 13352d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 133615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 133770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 133870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1339aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1340aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 13412d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 134215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1343aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1344aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 13458f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 13468f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 13478f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 13488f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 13498f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1350aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1351aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1352aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1353aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 135470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1355f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 135670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1357f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 135870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1359f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 136070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1361d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1362f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 136315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 136415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 136515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 136615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 136715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 136815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 136915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 137015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 137115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 137215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 137315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 137415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 13758d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 137670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 137770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1379f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1380f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1381f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 138215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 13835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 13855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 13865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 138799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 138899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 138999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 139099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 139199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 139299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 139399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 139499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 13955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 139699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 13977b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1398f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1399f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1400f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1401f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 140215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1403d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 14047b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 140599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 140699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1407d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 14087b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 140999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 141099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1411d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 14125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 141399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 14147b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 14157b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 14167b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 14177b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 14187b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 14195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 14205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 142170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 142270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 142370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 142470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1425f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1426f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1427f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14281271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 142933f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1430b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 14310fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 14320fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 143304c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 14341271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 14350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 14367b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 14376554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 14380fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 14390fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1440ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1441ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1442ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1443ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1444ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1445ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1446a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1447a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1448a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1449a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1450a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1451a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1452a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1453a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1454e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1455a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1456a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1457a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1458a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1459a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1460e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1461d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1462d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1463a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1464a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1465a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1466a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 14675b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 14685b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 14695b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1470a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1471a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1472a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1473a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1474a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1475e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1476a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1477d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1478d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1479e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1480a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1481a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1482a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1483a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1484a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1485a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1486a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1487a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1488a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1489a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1490486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 14916926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 14926926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 14936926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 14946926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1495486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 14966926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14976926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1498a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14998164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1500486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 150122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 150222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1503211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1504a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1505a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1506a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1507a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1508486590963e2207d68eebd6944fec70d50d41116aChet Haase 1509486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 15108ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 15118ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1512486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1513f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1514f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1515f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1516f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 15176926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1518486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15196926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15206926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1521a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15228164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1523486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 152422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 152522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 15265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 15275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 15285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 15295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 15305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 15315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1532486590963e2207d68eebd6944fec70d50d41116aChet Haase 1533486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1534f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1535f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1536486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1537e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1538e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1539e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1540e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1541486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1542e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1543e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1544e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1545e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1546e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1547e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1548e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1549486590963e2207d68eebd6944fec70d50d41116aChet Haase 1550486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1551e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1552e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1553486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 15545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 15555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 15565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1557486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1560a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1562486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 15635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1564e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1565d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1566d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 15675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 15695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 15705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 15715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 15735a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1574b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1575b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1576b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1577b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1578b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1579211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1580b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1581a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1582a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 15835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 15845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 15855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 15865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 15875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15885a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 15895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 15905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 15915a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 15925a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 15945a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 15955a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 15965a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 15975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 15985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 15995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 16005a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 16015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 16035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 16045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 16055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 16075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 16085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1609b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1610b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1611b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1612b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1613b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1614b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1615b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1616b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 16175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1620b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1621b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1622b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1623b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 16245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 16255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1626b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 1627486590963e2207d68eebd6944fec70d50d41116aChet Haase 1628486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 16295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 16305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1631486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 16328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 16338ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 16345c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 16356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 1636486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1639a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16408164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1641486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 164222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 16438ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16448ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 16458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1646c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 16476816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 16486816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 16496816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 16506816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1651c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 165203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 16538ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 16548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 165503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 165603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 165703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 165803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1659d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1660d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1661211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 16626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 16636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 16646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1665b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1666631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1667631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1668d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1669b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1670b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1671d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 16726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 16736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 16746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 16766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1677d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 16786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 16796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 16816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16828ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16838ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1684486590963e2207d68eebd6944fec70d50d41116aChet Haase 1685486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1686ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1687ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1688486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 16894bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 16905c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 1691be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 1692be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 1693be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 1694be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1695be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 1696be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 1697be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 1698be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1699be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1700be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1701be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 17026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1703486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 17046926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 17056926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1706be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 1707be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1708a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 17098164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1710486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 171122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1712d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1713d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1714f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 17152728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 17164bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1717f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1718211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 17196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 17205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 17218168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1722c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1723c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 17245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 17255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 17268ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1727211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1728c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1729c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1730c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 17316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1732c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1733c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 17346620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 17355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 17365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 17375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1738211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 17396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 17406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 17416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 17426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 17436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 17456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 17476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 17486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 17506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1752054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1753486590963e2207d68eebd6944fec70d50d41116aChet Haase 1754486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1755f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1756f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 175799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1758858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 17596ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * We expand the rectangle by a half pixel in screen space on all sides. However, instead of using 17606ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * a fragment shader to compute the translucency of the color from its position, we simply use a 17616ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * varying parameter to define how far a given pixel is into the region. 1762858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1763858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1764181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1765858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1766858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 176704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 1768858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1769211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 1770858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1771858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1772858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1773858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 17749147cd4ac56d53dec6da1ef13dd04ba1eec1a7dfChris Craik float m11 = mat->data[Matrix4::kScaleY]; 1775858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1776858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1777858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1778858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1779858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1780858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1781858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1782858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1783858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 17846ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerLeft = left + boundarySizeX; 17856ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerRight = right - boundarySizeX; 17866ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerTop = top + boundarySizeY; 17876ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerBottom = bottom - boundarySizeY; 17886ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1789858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1790858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1791858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1792858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1793858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1794858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 179504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickReject(left, top, right, bottom)) { 179604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDraw(); 179704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawNoTexture(); 17986ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik setupDrawAARect(); 179904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 180004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorFilter(); 180104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawShader(); 180204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawBlending(true, mode); 180304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawProgram(); 180404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawModelViewIdentity(true); 180504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorUniforms(); 180604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorFilterUniforms(); 180704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawShaderIdentityUniforms(); 1808858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 18096ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex rects[14]; 18106ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex* aVertices = &rects[0]; 18116ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik void* alphaCoords = ((GLbyte*) aVertices) + gVertexAlphaOffset; 18126ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 18136ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik bool force = mCaches.unbindMeshBuffer(); 18146ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 18156ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik aVertices, gAlphaVertexStride); 18166ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mCaches.resetTexCoordsVertexPointer(); 18176ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mCaches.unbindIndicesBuffer(); 18186ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 18196ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik int alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 18206ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 18216ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 18226ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 18236ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw left 18246ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, left, bottom, 0); 18256ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerBottom, 1); 18266ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, left, top, 0); 18276ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerTop, 1); 18286ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 18296ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw top 18306ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, right, top, 0); 18316ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerTop, 1); 18326ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 18336ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw right 18346ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, right, bottom, 0); 18356ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerBottom, 1); 18366ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 18376ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw bottom 18386ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, left, bottom, 0); 18396ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerBottom, 1); 18406ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 18416ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw inner rect (repeating last vertex to create degenerate bridge triangles) 18426ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // TODO: also consider drawing the inner rect without the blending-forced shader, if 18436ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // blending is expensive. Note: can't use drawColorRect() since it doesn't use vertex 18446ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // buffers like below, resulting in slightly different transformed coordinates. 18456ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerBottom, 1); 18466ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerTop, 1); 18476ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerBottom, 1); 18486ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerTop, 1); 1849858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1850858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 185104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 18526ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, 14); 18537b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18546ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 185504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 1856858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1857858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1858858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 185999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 186099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 186199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 186299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 186399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 186499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 186599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 186699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 186799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 186899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 186999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 187099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 187199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 187299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 187399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 187499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 187599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 1876486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 1877486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 18788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 188099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 188199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 188299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 18838a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 18848a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 18858a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 18867b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 188799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 188899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 188999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 18907b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 18928a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 18937b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18948a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 18955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 18965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1897c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 189899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 189999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 190099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 190199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 190299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 190399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 190499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 1905211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 190699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 190799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 190899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 190999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 19109147cd4ac56d53dec6da1ef13dd04ba1eec1a7dfChris Craik float m11 = mat->data[Matrix4::kScaleY]; 19117b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1912211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 1913211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 19147b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 191599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 191699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 19177b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 191899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 191999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 192099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 192199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 19225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19238a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 19248a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 192504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 192604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 192704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 19288a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 192915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 19308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19318a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 19328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 19348a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 19358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 1936211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 19378a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 19388a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 19398a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 19408a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 19418a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 19428a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 19438a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19448a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 194599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 194699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 19475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 194899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 19495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19507b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19517b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 19527b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 19537b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 19555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 19567b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 195799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 195899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 19597b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1960211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 19615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 19625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 196399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 196499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 196599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 19665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 19675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 196899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 196999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 19708f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik float boundaryWidthProportion = .5 - 1 / (2 * halfStrokeWidth); 19717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 19727b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 19735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 197599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 197699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1977740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 197899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 197999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 19807b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 19825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 19835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 19845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 19857b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 198699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 198799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 198899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 19895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 199199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 199275040f8a7727f18bb33da23696a32a0760926ff2Chris Craik float x = n.x; 199375040f8a7727f18bb33da23696a32a0760926ff2Chris Craik n.x = -n.y; 199475040f8a7727f18bb33da23696a32a0760926ff2Chris Craik n.y = x; 199575040f8a7727f18bb33da23696a32a0760926ff2Chris Craik 19968a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19978a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19988a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 19998a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 20008a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 20018a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 20028a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 20038a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 20048a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 20055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20067b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 200799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 200899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 200999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 201099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 201199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 201299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 201399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 201499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 201599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 201699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 20177b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 201899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 201999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 202075040f8a7727f18bb33da23696a32a0760926ff2Chris Craik boundaryWidthProportion = .5 - extendedNLength / (halfStrokeWidth + extendedNLength); 202199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 20225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20237b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 202499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 202599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 202699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 202799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 202899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 20297b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 203099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 203199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 203299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 203399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 20348f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - abLength / (length + abLength); 203599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 20368f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - .5 / (length + 1); 203799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20387b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 203999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 204099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 204199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 204299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 204399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 20455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 20465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 20475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 20485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 20495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 205099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 20525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 20535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 20545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 20555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 205604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickRejectNoScissor(left, top, right, bottom)) { 20575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 20585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 20595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 20635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 20645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20677b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 20705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 20715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 20727b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 20745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 207699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 207799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 207899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 207999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 208099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 208199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 208299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20837b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 208499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 208599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20867b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 208799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 208899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 208999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 20907b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 209199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 209299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 20945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 209899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 209999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 210099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 21015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 21025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 210499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 210599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 210699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 210799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 21087b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 21105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 21115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21127b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 211399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 211499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 211599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 21165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21187b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 21205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 21215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21227b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21237b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 21247b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 21257b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 2126486590963e2207d68eebd6944fec70d50d41116aChet Haase 2127486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 21285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 21295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2130486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2131486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2132ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2133ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2134ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2135ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 21365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2137ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 21388a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2139ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 21408a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 21418a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 21428a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 21438a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 21448a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2145ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2146ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2147ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2148ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2149ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2150ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2151ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2152ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2153ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2154ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 215504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 215604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 215704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 215804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2159ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 216015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 21618a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2162ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2163ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2164ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2165ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2166ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 21678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2168ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2169ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2170ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2171ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2172ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2173ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2174ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2175ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2176ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 21777b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 21798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 21808a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 21818a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 21827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21838a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2184ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2185ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2186ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2187486590963e2207d68eebd6944fec70d50d41116aChet Haase 2188486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2189ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2190ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2191486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2192e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2193486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2194e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2195ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2196ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 219770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 21983d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2199486590963e2207d68eebd6944fec70d50d41116aChet Haase 2200486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2201c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 22029d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2203486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2204486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2205486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 220601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 220701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 220801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 220901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 221001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 221101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2212486590963e2207d68eebd6944fec70d50d41116aChet Haase 2213486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 221401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 221501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2216486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2217c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 2218486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 221901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2220a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2221c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2222c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2223486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2224c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 222501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2226486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2227486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2228c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2229a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 223001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2231486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(x - radius, y - radius, texture, paint); 2232c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 223301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2234486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2235486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2236486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 223701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2238a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2239c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2240486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2241c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2242c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2243486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 22448b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 2245486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 22468b2f5267f16c295f12faab810527cd6311997e34Romain Guy 22478b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2248486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawOval(left, top, right, bottom, paint); 22498b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 22508b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2251a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22528b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 22538b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 2254486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 22558b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 22568b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2257486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2258c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2259486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2260c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2261a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2262c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2263486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 226401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 226501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2266486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2267c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2268486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawRectAsShape(left, top, right, bottom, p); 2269c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2270c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 22716926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2272486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22736926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22746926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2275026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2276746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2277a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2278a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2279a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2280a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2281a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2282a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2283a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2284026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2285026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2286026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2287181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2288858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2289858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2290858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2291858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2292486590963e2207d68eebd6944fec70d50d41116aChet Haase 2293486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2294c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 22959d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2296416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2297416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2298416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2299416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2300416a847633680d94efb926837efdc18726d54918Raph Levien 2301416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2302416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2303416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2304416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2305416a847633680d94efb926837efdc18726d54918Raph Levien paint, text, bytesCount, count, mShadowRadius, positions); 2306416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2307416a847633680d94efb926837efdc18726d54918Raph Levien 2308416a847633680d94efb926837efdc18726d54918Raph Levien const float sx = x - shadow->left + mShadowDx; 2309416a847633680d94efb926837efdc18726d54918Raph Levien const float sy = y - shadow->top + mShadowDy; 2310416a847633680d94efb926837efdc18726d54918Raph Levien 2311416a847633680d94efb926837efdc18726d54918Raph Levien const int shadowAlpha = ((mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2312416a847633680d94efb926837efdc18726d54918Raph Levien int shadowColor = mShadowColor; 2313416a847633680d94efb926837efdc18726d54918Raph Levien if (mShader) { 2314416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2315416a847633680d94efb926837efdc18726d54918Raph Levien } 2316416a847633680d94efb926837efdc18726d54918Raph Levien 2317416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2318416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2319416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2320416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2321416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2322416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2323416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2324416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2325416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2326416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2327416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2328416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2329416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2330416a847633680d94efb926837efdc18726d54918Raph Levien 2331416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2332416a847633680d94efb926837efdc18726d54918Raph Levien} 2333416a847633680d94efb926837efdc18726d54918Raph Levien 2334486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2335eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2336671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 23379c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2338486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2339eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2340eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2341671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2342671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2343486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2344671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2345671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2346671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2347671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2348671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2349671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2350671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2351671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2352671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2353671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2354b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2355671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2356671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2357671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2358671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2359671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2360671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2361671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2362416a847633680d94efb926837efdc18726d54918Raph Levien if (CC_UNLIKELY(mHasShadow)) { 2363416a847633680d94efb926837efdc18726d54918Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2364416a847633680d94efb926837efdc18726d54918Raph Levien 0.0f, 0.0f); 2365416a847633680d94efb926837efdc18726d54918Raph Levien } 2366416a847633680d94efb926837efdc18726d54918Raph Levien 2367671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2368671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2369671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2370671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2371671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2372671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2373671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2374671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 23754121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2376671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2377671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2378671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2379671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2380671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2381671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2382671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2383671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2384671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2385671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2386671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2387671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 23884121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2389671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2390671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2391671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2392671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2393211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2394671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2395671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2396671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2397671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2398671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2399671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2400671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2401671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2402671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2403671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2404486590963e2207d68eebd6944fec70d50d41116aChet Haase 2405486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2406eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2407eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2408c25259519f1b74bb62a2b051b74537f073436b5cRomain Guystatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2409996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2410671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 24119c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2412486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2413e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2414e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2415a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2416e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2417e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2418e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2419e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2420e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2421e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2422e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2423e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2424e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2425e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2426e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2427cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2428cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 242933f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2430486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2431cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2432cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 24333a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 24343a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 24356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2436211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 24376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 24386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 24396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2441ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 2442c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy ALOGD("OpenGLRenderer drawText() with FontID=%d", 2443996e57c84368058be793897ebc355b917a59abc2Raph Levien SkTypeface::UniqueID(paint->getTypeface())); 2444ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2445eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2446b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2447b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2448fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2449e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 245086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 245186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 245286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 24539d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2454211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 2455996e57c84368058be793897ebc355b917a59abc2Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2456996e57c84368058be793897ebc355b917a59abc2Raph Levien oldX, oldY); 24571e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 24581e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 24596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 24606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 24616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 24626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 24636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 246516c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2466a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 246786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 24684121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 246986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 247086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 247186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 247286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 247386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 247486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 247586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 247686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 247716c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 247816c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 247986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 248086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 248186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 248286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 24834121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 248406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 24856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 24865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 24875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2488211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2489894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2490996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 24918b4072d3fb9bb49d774d97689a065204beca1752Raph Levien if (paint->getTextAlign() != SkPaint::kLeft_Align) { 24928b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 24938b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 24948b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2495996e57c84368058be793897ebc355b917a59abc2Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2496996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 24978b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 24988b4072d3fb9bb49d774d97689a065204beca1752Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2499996e57c84368058be793897ebc355b917a59abc2Raph Levien } 25004ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 25014ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (status && hasActiveLayer) { 25024ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (!pureTranslate) { 25034ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy mSnapshot->transform->mapRect(bounds); 25045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 25054ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 25065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2507694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 25083a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2509486590963e2207d68eebd6944fec70d50d41116aChet Haase 2510486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2511694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2512694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2513486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2514325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 251503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 251603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2517486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 251803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 251903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2520b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 252103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 252203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 252303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 252403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 252503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 252603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 252703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 252803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 252903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 25304121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 253103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 253203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 253303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 253403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 253503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 253603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 253703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 25389777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 253903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 254003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 254103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 25429777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 25434121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 25449777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 25459777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 25469777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 254703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 25489777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 25499777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 25509777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 25519777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 25529777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 25539777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 25549777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 25559777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 25569777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2557486590963e2207d68eebd6944fec70d50d41116aChet Haase 2558486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2559325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2560325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2561486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2562486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2563dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2564a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25657fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 256633f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2567fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2568486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 256922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 25707fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 25718b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 25728b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 25738b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 257401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2575486590963e2207d68eebd6944fec70d50d41116aChet Haase 2576486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 25777fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 25787fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2579486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2580ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 2581486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 25826c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 25836c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25844ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy bool debugLayerUpdate = false; 25854ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 25862bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 25872bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy OpenGLRenderer* renderer = layer->renderer; 25882bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy Rect& dirty = layer->dirtyRect; 25892bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 25902bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy interrupt(); 25912bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 25922bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 25931271e2cc80b01d577e9db339459ef0222bb9320dChet Haase renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 25942bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->finish(); 25952bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy resume(); 25962bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 25972bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy dirty.setEmpty(); 25982bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->deferredUpdateScheduled = false; 25992bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->renderer = NULL; 26002bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->displayList = NULL; 26014ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 26024ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy debugLayerUpdate = mCaches.debugLayersUpdates; 26032bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 26042bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 2605a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 26066c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2607211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2608c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 260940667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2610c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 2611d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase const float a = layer->getAlpha() / 255.0f; 2612d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase SkiaColorFilter *oldFilter = mColorFilter; 2613d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase mColorFilter = layer->getColorFilter(); 2614c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2615c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2616c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 26178168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2618c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 26199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2620c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2621c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2622c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 26239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2624211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 26254ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int tx = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 26264ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int ty = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 26279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2628d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 26294ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 26304ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 26319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2632d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 26339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 26349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 26359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2636c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2637c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2638c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2639c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2640c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2641c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 26423a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 2643d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase mColorFilter = oldFilter; 2644d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 26453a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 26463a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 26473a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2648c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 26494ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 26504ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (debugLayerUpdate) { 26514ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 26524ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 26534ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 2654f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2655486590963e2207d68eebd6944fec70d50d41116aChet Haase 2656486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 26576c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 26586c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 26596926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2660d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2661d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2662d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2663d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 266406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 266506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 266606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 266706f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 266806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 266906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2670fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 267106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 26727fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 26737fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2674d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2675db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2676db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2677db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2678db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2679db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2680db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2681db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2682db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2683db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2684db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2685db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2686db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 26871e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 26881e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 26891e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26901e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 26911e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 26921e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 26931e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26941e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 26951e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 26961e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 26971e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 26981e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 26991e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 27001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 27011e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 27021e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 27035ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 27045ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 27055ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27065ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 27075ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 27085ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27095ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27105ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 27115ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 27125ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 27135ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 27145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27165ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2717dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 27185ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27195ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 27205ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27215ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 27225ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 27235ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27245ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 27255ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 27265ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 27275ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 27286926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 27296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 27306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 273101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 273201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 273301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 273401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 273501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 273601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 273701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 273801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 273901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 274001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 274101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 274201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 274301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 274401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 274501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 274601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 274701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 274801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 274901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 275001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 275101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 275201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 275301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 275401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 275501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 275601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 275701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 275801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 275901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2760f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 27610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 27620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 27630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 27640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 27660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 27670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 27680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 27690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2770726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 27710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 27720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 27730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2774726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 27750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2777211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2778726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2779f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 27800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27818b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 27820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2783e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2784f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2785f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2786f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2787f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2788f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2789e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2790e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 27910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 27930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2794e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2795e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2796e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2797e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 27980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 28010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2802e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2803e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2804e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2805e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 28060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2807e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2808726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2809e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2810726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 28110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 28140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2815026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 28161c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2817d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 281806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2819d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2820d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2821d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 282270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 282315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 28249c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 282570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 282670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 282770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 282870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 282970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 283070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 283170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 283270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 283370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2834c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2835c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2836c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2837c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 283882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 28398164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 284082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 284182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 284282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 284382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2844d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 28458164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2846211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 28476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 28486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 28496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2850d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 28516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 28526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 28536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 28546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2855d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 28566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 28576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 28586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 28596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 286085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 286185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2862bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2863a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2864a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 286503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2866f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2867f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2868f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2869a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 28706820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 28715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 28728694230ff25fa0a60e480d424843e56b718f0516Romain Guy 287370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 287470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 287570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 287670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 287770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 287870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 287970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 288070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2881db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 28825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 288370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 288403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 288570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2886db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 288786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 288870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 288970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 289070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2891db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 28926820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 289370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 289470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 289582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 289682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2897a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2898f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 289982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 2900c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 290182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 290282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 290382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 290482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 290582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 290682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 290733fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 2908211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 2909a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2910f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2911a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 291282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 291382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 291482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 291582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 291682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 291782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 291882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 291982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 2920a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 292182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 292282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 292382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 292482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 292582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 292682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 292782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 292882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 292982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 293082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 293182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 293282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 293382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 293482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2935fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 293682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 293782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2938fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2939bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2940bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2941889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2942d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2943fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2944d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2945fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 29466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2947260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 29486926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2949260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2950260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2951026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2952ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 295382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 295482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 295582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 295682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 29578ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 29588ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 29595c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 2960be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 2961db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 2962026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2963026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 29649d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2965e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2966