OpenGLRenderer.cpp revision 11cb642756093a4af901b1525375b1eb2b5c3e2b
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 2403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy#include <SkPathMeasure.h> 25694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy 275cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 28e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 36a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 37e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 38e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 399d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 409d5316e3f56d138504565ff311145ac01621dff4Romain Guy 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy 45759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 46759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 47759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 48f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy#define ALPHA_THRESHOLD 0 49dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 50d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy#define FILTER(paint) (paint && paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 51d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 529d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy 56889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 65026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 66026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 682ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 692ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 83026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 84e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 88f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 104f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 105f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 106f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 110fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 112db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 1145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 115026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 116ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 118ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 119e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 120e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12229d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12329d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 124e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 126f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 12713631f3da855f200a151e7837ed9f6b079622b58Romain Guy// Debug 12813631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 12913631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13013631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 13113631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.startMark(0, name); 13213631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13313631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13413631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::endMark() const { 13513631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.endMark(); 13613631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13713631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13813631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 139f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 140f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 141f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14249c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 14349c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 14449c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 14549c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 14685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 14735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy initViewport(width, height); 14835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 14935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glDisable(GL_DITHER); 15035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 15135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 15235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glEnableVertexAttribArray(Program::kBindingPosition); 15335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 15435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 15535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::initViewport(int width, int height) { 156260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 157bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 158bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 159bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 160eb99356a0548684a501766e6a524529ab93304c8Romain Guy 161eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 162eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 163e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 164e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 16544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepare(bool opaque) { 16644b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1677d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1687d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 16944b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 170fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 171fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1728aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1738aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17484962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1758fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 176f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1777d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 17857b5268708c3b974296c7d4e58a02a957979224aRomain Guy mDirtyClip = opaque; 179ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 18011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayers(); 18111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 18245e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // If we know that we are going to redraw the entire framebuffer, 18345e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // perform a discard to let the driver know we don't need to preserve 18445e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy // the back buffer for this frame. 18545e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy if (mCaches.extensions.hasDiscardFramebuffer() && 18645e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy left <= 0.0f && top <= 0.0f && right >= mWidth && bottom >= mHeight) { 18745e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy const GLenum attachments[] = { getTargetFbo() == 0 ? GL_COLOR_EXT : GL_COLOR_ATTACHMENT0 }; 18845e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, attachments); 18945e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy } 19045e4c3df6c00ac98ff6144de9af574877d4fff19Romain Guy 191ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 1927d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1932b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mTilingSnapshot = mSnapshot; 19457b5268708c3b974296c7d4e58a02a957979224aRomain Guy startTiling(mTilingSnapshot, true); 1952b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 1966b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 197586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 198ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 1996b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 20044b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 201ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 202ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.resetScissor(); 203ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 20444b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 20544b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 206ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 207ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 208ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 209ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 210ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 211ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 212ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 213ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 214ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2156b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 216bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 217bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 21857b5268708c3b974296c7d4e58a02a957979224aRomain Guyvoid OpenGLRenderer::startTiling(const sp<Snapshot>& s, bool opaque) { 2192b7028eabac80cec170572bc0e945a1d4224e595Romain Guy Rect* clip = mTilingSnapshot->clipRect; 2202b7028eabac80cec170572bc0e945a1d4224e595Romain Guy if (s->flags & Snapshot::kFlagIsFboLayer) { 2212b7028eabac80cec170572bc0e945a1d4224e595Romain Guy clip = s->clipRect; 2222b7028eabac80cec170572bc0e945a1d4224e595Romain Guy } 2232b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2242b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mCaches.startTiling(clip->left, s->height - clip->bottom, 2252b7028eabac80cec170572bc0e945a1d4224e595Romain Guy clip->right - clip->left, clip->bottom - clip->top, opaque); 2262b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2272b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 2282b7028eabac80cec170572bc0e945a1d4224e595Romain Guyvoid OpenGLRenderer::endTiling() { 2292b7028eabac80cec170572bc0e945a1d4224e595Romain Guy mCaches.endTiling(); 2302b7028eabac80cec170572bc0e945a1d4224e595Romain Guy} 2312b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 232b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 2332b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 2342b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 23511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (!suppressErrorChecks()) { 236b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 23711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy GLenum status = GL_NO_ERROR; 23811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 23911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGD("GL error from OpenGLRenderer: 0x%x", status); 24011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy switch (status) { 24111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_ENUM: 24211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_ENUM"); 24311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 24411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_VALUE: 24511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_VALUE"); 24611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 24711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_INVALID_OPERATION: 24811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" GL_INVALID_OPERATION"); 24911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 25011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy case GL_OUT_OF_MEMORY: 25111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy ALOGE(" Out of memory!"); 25211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy break; 25311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 254a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 255b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 25611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 257c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 258e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 25911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy#else 26011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 26111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.dumpMemoryUsage(); 26211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 263c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 26411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 265b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 266b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2676c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 268da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 269da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 270da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 271da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 272da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 273da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 27450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 27515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 276f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 27715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 278da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 279da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2806c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 28108837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 28208837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 28335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 28435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 2853e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2863e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 2878025061c594e5171e1bf370d8fdd77e0e9a02b47Chet Haase mCaches.scissorEnabled = glIsEnabled(GL_SCISSOR_TEST); 288586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 28982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 290746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 291da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 292a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 29350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 29450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 29550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 29650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 29750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 298da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 299da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 30035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guyvoid OpenGLRenderer::resumeAfterLayer() { 30135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 30235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 30335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 30435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 30535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.resetScissor(); 30635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy dirtyClip(); 30735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 30835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 309ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 310932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 311ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3128f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 313ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 314ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 315ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 3168f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 317ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 318ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 3193d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 3208f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 321ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 322ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 323ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 324ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 325ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 326ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 327ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 328ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 329ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 330ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 331ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 332ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 333ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 334ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 335ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 336ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 337ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 338ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 339c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 340ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 341ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 342c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 343ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 344c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 345c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 3468f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3478f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 348beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase // protect against functors binding to other buffers 349beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.unbindMeshBuffer(); 350beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.unbindIndicesBuffer(); 351beb8bd0db28d8c5cad2a258f2ba2f3b8b76cf037Chet Haase mCaches.activeTexture(0); 3528f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3538f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3548f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 3558f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 3568f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3578f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 358daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 359932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 360c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 3618a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mCaches.enableScissor(); 362f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 363f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 364f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 365d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 36680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 36780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 36880911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 369d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 370d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 371d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 372d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 373d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 374d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 37508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 37608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 37708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 37808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 37908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 38008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 3817b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 3827b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 38308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 38480911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 385486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 386cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 3878f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 38808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 389cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 3908f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 39165924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 392ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 3938f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 394cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 395cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 396daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 3976554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 398daf98e941e140e8739458126640183b9f296a2abChet Haase} 399daf98e941e140e8739458126640183b9f296a2abChet Haase 400f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 40111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy// Layers 40211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 40311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 40411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guybool OpenGLRenderer::updateLayer(Layer* layer, bool inFrame) { 40511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 40611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy OpenGLRenderer* renderer = layer->renderer; 40711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Rect& dirty = layer->dirtyRect; 40811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 40911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) endTiling(); 41011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 41111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 41211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 41311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 41411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy renderer->finish(); 41511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 41611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (inFrame) { 41711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy resumeAfterLayer(); 41811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startTiling(mSnapshot); 41911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 42011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 42111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy dirty.setEmpty(); 42211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->deferredUpdateScheduled = false; 42311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->renderer = NULL; 42411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy layer->displayList = NULL; 42511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 42611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return true; 42711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 42811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 42911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy return false; 43011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 43111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 43211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::updateLayers() { 43311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy int count = mLayerUpdates.size(); 43411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 43511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy startMark("Layer Updates"); 43611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 43711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy // Note: it is very important to update the layers in reverse order 43811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (int i = count - 1; i >= 0; i--) { 43911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy Layer* layer = mLayerUpdates.itemAt(i); 44011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy updateLayer(layer, false); 44111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcount(layer); 44211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 44311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 44411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 44511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 44611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy endMark(); 44711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 44811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 44911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 45011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::pushLayerUpdate(Layer* layer) { 45111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (layer) { 45211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.push_back(layer); 45311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.incrementRefcount(layer); 45411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 45511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 45611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 45711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guyvoid OpenGLRenderer::clearLayerUpdates() { 45811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy size_t count = mLayerUpdates.size(); 45911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (count > 0) { 46011cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.lock(); 46111cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy for (size_t i = 0; i < count; i++) { 46211cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.decrementRefcountLocked(mLayerUpdates.itemAt(i)); 46311cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 46411cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mCaches.resourceCache.unlock(); 46511cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy mLayerUpdates.clear(); 46611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy } 46711cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy} 46811cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy 46911cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy/////////////////////////////////////////////////////////////////////////////// 470f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 471f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 472f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 473bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 4747ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 475bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 476bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 477bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 4788aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 479bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 480bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 481bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 4822542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 4832542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 4847ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 485bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 486bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 487bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 4888fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 489bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 4908fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 4912542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 4927ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 493bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 494bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 4958aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 4968aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 4978fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 498bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 499bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 500bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 5017ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 502bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 503eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 504bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 505bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 5067ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 507bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 508eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 509eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 510eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 511eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 512eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 513eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5148b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 5158b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 5168b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 5172542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 518746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 5198fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 5202542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 5215ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 5225ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 5235ec9924d24495822b589f1a17996655d66273b30Romain Guy } 5245ec9924d24495822b589f1a17996655d66273b30Romain Guy 5252542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 526d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 5275cbbce535744b89df5ecea95de21ee3733298260Romain Guy 528f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 529bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 530bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 531bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 532bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 5335c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 534eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 535eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 536d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 537af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 538e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 539e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 540e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 541e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 542e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 543e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 544e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 545e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 546e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 547e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 548e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 549e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 550e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 551a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 552a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 553e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 554d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 555d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 556d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase createLayer(left, top, right, bottom, alpha, mode, flags, previousFbo); 557dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 558d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 559d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 560bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 561bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 562bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 563bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 564f877308f77f7c6f3edd91618a092207dd3be9077Romain Guy if (alpha >= 255) { 5658aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 5668b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 5678aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 5688aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 5698aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 5708b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 571d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 572bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 5751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 5761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 5771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 5781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 5791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 5801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 5821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 5831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 5841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 5851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 5861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 5871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 5881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 5906b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 5916b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 5926b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 5936b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 5941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 5961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 5971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 59887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 5991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 6001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 6011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 6031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 6041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 6051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 6061c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 6071c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6081c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 6091c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 6101c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 6111c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 6121c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 6131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 6141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 6151c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 6161c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 6171c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 61887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 61987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 62087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 62187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 62287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 6231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 624d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createLayer(float left, float top, float right, float bottom, 625d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo) { 626eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 627fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 628dda570201ac851dd85af3861f7e575721d3345daRomain Guy 629eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 630eb99356a0548684a501766e6a524529ab93304c8Romain Guy 631f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 632d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect clip; 6338aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 634d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase Rect untransformedBounds(bounds); 635d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->transform->mapRect(bounds); 636d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 637d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // Layers only make sense if they are in the framebuffer's bounds 638d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (bounds.intersect(*mSnapshot->clipRect)) { 639d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // We cannot work with sub-pixels in this case 640d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.snapToPixelBoundaries(); 641d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 642d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // When the layer is not an FBO, we may use glCopyTexImage so we 643d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // need to make sure the layer does not extend outside the bounds 644d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase // of the framebuffer 645d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (!bounds.intersect(mSnapshot->previous->viewport)) { 646ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 647d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else if (fboLayer) { 648d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.set(bounds); 649d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mat4 inverse; 650d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.loadInverse(*mSnapshot->transform); 651d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase inverse.mapRect(clip); 652d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.snapToPixelBoundaries(); 653d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (clip.intersect(untransformedBounds)) { 654d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.translate(-left, -top); 655d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.set(untransformedBounds); 656d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 657d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase clip.setEmpty(); 658d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } 659ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 660d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase } else { 661d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.setEmpty(); 662eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 663bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 664746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 665d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.getHeight() > mCaches.maxTextureSize || 666d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase (fboLayer && clip.isEmpty())) { 667d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->empty = fboLayer; 668dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 669d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->invisible = mSnapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 670dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 671dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 672dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 673d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase if (mSnapshot->invisible || mSnapshot->empty) { 674b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 675b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 676dda570201ac851dd85af3861f7e575721d3345daRomain Guy 677a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 6788550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 679f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 680f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 681bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 682bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 6839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 6848aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 6859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 6869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 6879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 688a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 689dda570201ac851dd85af3861f7e575721d3345daRomain Guy 6908fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 691d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsLayer; 692d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->layer = layer; 6931d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 694eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 695d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase return createFboLayer(layer, bounds, clip, previousFbo); 696eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 697eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 6989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 699514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 7009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 7019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 702d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase bounds.left, mSnapshot->height - bounds.bottom, 7039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 7049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 705514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 706514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 707d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 708514fb18827186591d66973c2362c859b64b63556Romain Guy } 7097b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 71054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 71154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 712ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 713eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 714f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 715d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 716bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 717bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 718d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haasebool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo) { 7199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 7205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 721d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->region = &mSnapshot->layer->region; 722d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagFboTarget; 723d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase 724d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagIsFboLayer; 725d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->fbo = layer->getFbo(); 726d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 727d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 728d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 729d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->height = bounds.getHeight(); 730d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->flags |= Snapshot::kFlagDirtyOrtho; 731d48885a6c8cd27a8a62552c33b5282e9882e19f6Chet Haase mSnapshot->orthoMatrix.load(mOrthoMatrix); 7325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7332b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 7345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 7359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 7369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 7375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 7399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 7409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 7419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 7425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 7459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 7465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7472b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(mSnapshot); 7485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 750586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.enableScissor(); 7518f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 7525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 7535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 7545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 7565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 7585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 7595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 7605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 7625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 7651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 7661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 7671d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 7681d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 7693762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 7701d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 7711d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 7721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 7735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 774eb99356a0548684a501766e6a524529ab93304c8Romain Guy 775eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7762b7028eabac80cec170572bc0e945a1d4224e595Romain Guy endTiling(); 7772b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 778e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 779e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 780eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 781eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 7822b7028eabac80cec170572bc0e945a1d4224e595Romain Guy 7832b7028eabac80cec170572bc0e945a1d4224e595Romain Guy startTiling(previous); 784eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 785eb99356a0548684a501766e6a524529ab93304c8Romain Guy 7861d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 7871d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 7881d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 7899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 790f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 7919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 7925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 7939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 794f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 795f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 79603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 7978b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 798a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 8015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 802eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 8049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 8059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 806171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 8089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 809171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 810171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 8119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 8129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 8139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 814eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 8151d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 816eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 8179c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 8189c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 8199c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 8209c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 8219c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 822eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 823eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 8245c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 825eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 826eb99356a0548684a501766e6a524529ab93304c8Romain Guy 827746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 828746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 829eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 8308550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 8311d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 832603f6de35f21d74ae242d52d501f4f5c25ff4f4cChet Haase Caches::getInstance().resourceCache.decrementRefcount(layer); 8331d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 8341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 8351d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 836aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 8379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 838aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 839302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 840302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 841302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 842302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 843302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 844302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 845aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 8469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 8478f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 8488f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 8498f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 8508f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 8518f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 852aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 853aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 8549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 855aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 856aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 857aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 8589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 8599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 8608f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 8619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 8628f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 863ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 864ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 865ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 8669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 869d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 8709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 8719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 872d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 8739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 8749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 876aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 877aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 878aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 879aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 880aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 881302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 882302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 883302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 884302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 885aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 886aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 8875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 8889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 889aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 890aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 891aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 8925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 8949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 895b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 896ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 897b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 898b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 899b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 9009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 9019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 9029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 9039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 9049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 906d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 9079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 908d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 9099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 9109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 9119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 9129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 9139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 9149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 9159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 9165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 917aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 918aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 919aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 920aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 921aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 922aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 9235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 9265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 9279fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 9289fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 92940667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 9309fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 9315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 9325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 9335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9358a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 9368a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 937211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 9385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 9395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 9405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 9429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 9439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 944f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 9455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 9475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 9485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9497230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 9507230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 9517230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 952ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 9539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 9547230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 9557230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 9567230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 957ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 9589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 9599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 9609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 9619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 9629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 963d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 9649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 9659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 966d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 9679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 9689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 96915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 9705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 9725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 9735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 975f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 9765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 977f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 9785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 9805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 9815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 9825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 9835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 9845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 9865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 9885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 9895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 9905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 9915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 9955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 9965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9987230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 9995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 10025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 10035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 10055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10083a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 10093a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 10103a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 10113a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 10123a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10133a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 10143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 10153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 10163a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 10173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 10193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 10203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 10223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 10233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 10243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 10253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 10263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 10283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 10293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 10303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 10313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 10323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 10333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 10345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 10355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 1036f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 10375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 10385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 1039f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 10405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 10435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 10445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 1045f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 10465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 1047f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 10481bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 10491bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 10501bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 10511bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 10521bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 10531bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 10541bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 10551bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 10561bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 10575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 10595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 10605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 106154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 106254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 106354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 106454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 106554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 106654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 106754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 106854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 106954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 107054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 107154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 107254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 10738a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy bool scissorChanged = mCaches.disableScissor(); 107454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 107554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 107654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 107754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 107854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 107954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 108054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 108154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 108254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 108354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 108454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 108554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 108654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 108754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 108854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 108954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 109054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 109154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 109254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 109354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 109454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 109554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 109654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 109739d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 109854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 109954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 11008a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 11018a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (scissorChanged) mCaches.enableScissor(); 110254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 110354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 110454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 110554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 110654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 110754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 110854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 110954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 111054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1111bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1112f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1113f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1114f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1115f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 11168aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1117f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1118f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1119f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 11208aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1121f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1122f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1123f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 11248aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1125f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1126f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1127807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1128807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1129807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1130807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1131f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1132e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1133e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1134e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1135e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1136e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1137f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1138f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1139f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 11408aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1141f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1142f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1143f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1144e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1145e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1146e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1147e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1148f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1149f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1150f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1151f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1152f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1153f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1154bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1155e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1156e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 11578f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 11588a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 11598a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clip.getWidth(), clip.getHeight())) { 11608a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mDirtyClip = false; 11618a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 11629d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 11639d5316e3f56d138504565ff311145ac01621dff4Romain Guy 11649d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1165079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1166bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1167bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 11688a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom) { 11698a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy if (mSnapshot->isIgnored()) { 11708a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return true; 11718a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy } 11728a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 11738a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect r(left, top, right, bottom); 11748a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy mSnapshot->transform->mapRect(r); 11758a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy r.snapToPixelBoundaries(); 11768a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 11778a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy Rect clipRect(*mSnapshot->clipRect); 11788a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy clipRect.snapToPixelBoundaries(); 11798a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 11808a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy return !clipRect.intersects(r); 11818a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy} 11828a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy 118335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guybool OpenGLRenderer::quickRejectNoScissor(float left, float top, float right, float bottom, 118435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect& transformed, Rect& clip) { 118535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (mSnapshot->isIgnored()) { 118635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return true; 118735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 118835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 118935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.set(left, top, right, bottom); 119035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mSnapshot->transform->mapRect(transformed); 119135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy transformed.snapToPixelBoundaries(); 119235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 119335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.set(*mSnapshot->clipRect); 119435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy clip.snapToPixelBoundaries(); 119535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 119635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return !clip.intersects(transformed); 119735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy} 119835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 1199c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1200af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1201dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1202dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1203dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 12041d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 12058aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1206d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1207d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1208d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1209d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1210d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1211586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy bool rejected = !clipRect.intersects(r); 1212586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy if (!isDeferred() && !rejected) { 1213586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy mCaches.setScissorEnabled(!clipRect.contains(r)); 1214586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy } 1215586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy 1216586cae3ac69c0c667fbf8a954edbd399f620a717Romain Guy return rejected; 1217c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1218c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1219079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1220079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 12217ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1222746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 12237ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 12248aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1225e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1226e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1227a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1228a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1229a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1230a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1231f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 123270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 123370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 123470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 12368a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // TODO: It would be best if we could do this before quickReject() 12378a4ac610e1aaf04931ac1af54b146a7fc8e66114Romain Guy // changes the scissor test state 123854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 123970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 124070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 124170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 124270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 124370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 124470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 124570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 124670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 124770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 124870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 125070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 125170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 125270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 125370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 125470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1255aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1256aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1257aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1258aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 125915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 126015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 126115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 126215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 12635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 126499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 12655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 12665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 12676ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craikvoid OpenGLRenderer::setupDrawAARect() { 12686ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mDescription.isAARect = true; 12696ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik} 12706ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1271ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1272ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1273ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1274ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1275ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 127670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 12778d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 12788d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12798d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 12808d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 12818d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 12826cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 12836cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 128470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1285fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1286fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1287fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 128870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 128970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 129070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 129170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 129286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 129386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 12946cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 12956cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 129686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 129786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 129886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 129986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 130086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 130186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 130286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 130386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 13044121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGamma(const SkPaint* paint) { 13054121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->describe(mDescription, paint); 13064121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 13074121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 130870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 130970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 131070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 131170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 131270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 131370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 131470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 131570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 131770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 131870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 131970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 132070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 132170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 132270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 132370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 132470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 132570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 132670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 132770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 132870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1329f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1330f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1331f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1332f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 133354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1334f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1335f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1336f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 133770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1338f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1339f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1340f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 134170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 134270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 134370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 134470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 134570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1346f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1347f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1348f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 134970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 135070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 135170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 135270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 135370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 135470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 135570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 135670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 135770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 135870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 135970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 136070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 136170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 136270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 136370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 136470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 136570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 136670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 136770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 136870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 136970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 137070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 137170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 137270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 13748a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 13758d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 13768d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 137770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 137870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 137970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 138070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 138170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 138270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 138370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 138470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 138586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 138686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 138786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 138886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 138986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 139086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 139186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 139286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 139386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 139486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 139570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 139670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1397ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1398ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1399ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1400ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1401ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 140270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 140355fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 140470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 140570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 140670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 140770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 140886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 14095536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 141086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 14115536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 14125536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 14135536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 141470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 141570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 141670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 141770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 141870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 141970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 142070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 142170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 142270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 14238d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 14248d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 14258d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 14268d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 14278d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 14288d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 142970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 143070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 143170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 143270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 143370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 143470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 14354121063313ac0d6f69f6253cac821d0c1c122086Romain Guyvoid OpenGLRenderer::setupDrawTextGammaUniforms() { 14364121063313ac0d6f69f6253cac821d0c1c122086Romain Guy mCaches.fontRenderer->setupProgram(mDescription, mCaches.currentProgram); 14374121063313ac0d6f69f6253cac821d0c1c122086Romain Guy} 14384121063313ac0d6f69f6253cac821d0c1c122086Romain Guy 143970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1440f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1441f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 144215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 144370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 144470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 144570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 144670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 14472d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 144815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 144970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 145070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1451aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1452aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 14532d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 145415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1455aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1456aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 14578f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 14588f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 14598f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 14608f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 14618f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1462aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1463aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1464aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1465aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 146670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1467f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 146870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1469f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 147070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1471f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 147270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1473d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1474f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 147515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 147615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 147715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 147815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 147915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 148015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 148115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 148215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 148315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 148415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 148515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 148615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 14878d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 148870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 148970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 14905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1491f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1492f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1493f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 149415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 14955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 14965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 14975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 14985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 149999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 150099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 150199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 150299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 150399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 150499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 150599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 150699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 15075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 150899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 15097b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1510f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1511f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1512f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1513f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 151415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1515d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 15167b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 151799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 151899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1519d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 15207b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 152199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 152299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1523d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 15245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 152599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 15267b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 15277b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 15287b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 15297b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 15307b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 15315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 15325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 153370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 153470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 153570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 153670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1537f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1538f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1539f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 15401271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 154133f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1542b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 15430fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 15440fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 154504c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 15461271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 15470fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 15487b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 15496554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 15500fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 15510fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1552ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1553ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1554ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1555ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1556ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1557ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1558a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1559a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1560a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1561a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1562a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1563a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1564a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1565a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1566e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1567a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1568a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1569a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1570a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1571a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1572e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1573d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1574d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1575a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1576a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1577a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1578a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 15795b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 15805b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 15815b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1582a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1583a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1584a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1585a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1586a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1587e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1588a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1589d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1590d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1591e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1592a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1593a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1594a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1595a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1596a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1597a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1598a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1599a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1600a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1601a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1602486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 16036926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 16046926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 16056926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 16066926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1607486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16086926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16096926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1610a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16118164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1612486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 161322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 161422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1615211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1616a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1617a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1618a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1619a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1620486590963e2207d68eebd6944fec70d50d41116aChet Haase 1621486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 16228ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 16238ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1624486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1625f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1626f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1627f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1628f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 16296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1630486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1633a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16348164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1635486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 163622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 163722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 16385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 16395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 16405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 16415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 16425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 16435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1644486590963e2207d68eebd6944fec70d50d41116aChet Haase 1645486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1646f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1647f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1648486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1649e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1650e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1651e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1652e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1653486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1654e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1655e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1656e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1657e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1658e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1659e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1660e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1661486590963e2207d68eebd6944fec70d50d41116aChet Haase 1662486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1663e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1664e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1665486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 16665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 16675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 16685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1669486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1672a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16735a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1674486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 16755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1676e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1677d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1678d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 16795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 16815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 16825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 16835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 16845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 16855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1686b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1687b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1688b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1689b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1690b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1691211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1692b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1693a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1694a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 16955a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 16965a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 16975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 16985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 16995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17005a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 17015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 17025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 17035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 17045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 17065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 17075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 17085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 17095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 17105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 17115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 17125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 17135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 17155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 17165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 17175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 17185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 17195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 17205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1721b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1722b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1723b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1724b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1725b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1726b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1727b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1728b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 17295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 17305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 17315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1732b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1733b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1734b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1735b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 17365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 17375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1738b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 1739486590963e2207d68eebd6944fec70d50d41116aChet Haase 1740486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 17415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 17425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1743486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 17448ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 17458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 17465c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 17476926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 1748486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 17496926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 17506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1751a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 17528164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1753486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 175422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 17558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 17568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 17578ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1758c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 17596816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 17606816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 17616816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 17626816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1763c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 176403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 17658ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 17668ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 176703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 176803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 176903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 177003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1771d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1772d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1773211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 17746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 17756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 17766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1777b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1778631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1779631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1780d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1781b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1782b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1783d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 17846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 17856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 17866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 17876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 17886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1789d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 17906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 17916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 17926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 17936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 17948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 17958ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1796486590963e2207d68eebd6944fec70d50d41116aChet Haase 1797486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1798ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1799ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1800486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 18014bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 18025c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 1803be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy int alpha; 1804be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy SkXfermode::Mode mode; 1805be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, &alpha, &mode); 1806be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1807be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy return drawPatch(bitmap, xDivs, yDivs, colors, width, height, numColors, 1808be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy left, top, right, bottom, alpha, mode); 1809be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy} 1810be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1811be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guystatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 1812be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 1813be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy float left, float top, float right, float bottom, int alpha, SkXfermode::Mode mode) { 18146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1815486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 18166926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18176926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1818be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy alpha *= mSnapshot->alpha; 1819be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy 1820a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 18218164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1822486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 182322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1824d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1825d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1826f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 18272728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 18284bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1829f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1830211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 18316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 18325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 18338168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1834c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1835c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 18365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 18375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 18388ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1839211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1840c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1841c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1842c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 18436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1844c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1845c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 18466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 18475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 18485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 18495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1850211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 18516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 18526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 18536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 18546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 18556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 18566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 18576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 18586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 18596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 18606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 18616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 18626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 18636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1864054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1865486590963e2207d68eebd6944fec70d50d41116aChet Haase 1866486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1867f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1868f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 186999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1870858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 18716ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * We expand the rectangle by a half pixel in screen space on all sides. However, instead of using 18726ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * a fragment shader to compute the translucency of the color from its position, we simply use a 18736ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik * varying parameter to define how far a given pixel is into the region. 1874858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1875858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1876181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1877858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1878858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 187904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 1880858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1881211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 1882858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1883858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1884858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1885858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 18869147cd4ac56d53dec6da1ef13dd04ba1eec1a7dfChris Craik float m11 = mat->data[Matrix4::kScaleY]; 1887858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1888858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1889858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1890858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1891858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1892858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1893858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1894858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1895858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 18966ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerLeft = left + boundarySizeX; 18976ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerRight = right - boundarySizeX; 18986ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerTop = top + boundarySizeY; 18996ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik float innerBottom = bottom - boundarySizeY; 19006ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 1901858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1902858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1903858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1904858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1905858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1906858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 190704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickReject(left, top, right, bottom)) { 190804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDraw(); 190904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawNoTexture(); 19106ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik setupDrawAARect(); 191104299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 191204299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorFilter(); 191304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawShader(); 191404299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawBlending(true, mode); 191504299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawProgram(); 191604299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawModelViewIdentity(true); 191704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorUniforms(); 191804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawColorFilterUniforms(); 191904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy setupDrawShaderIdentityUniforms(); 1920858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 19216ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex rects[14]; 19226ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex* aVertices = &rects[0]; 19236ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik void* alphaCoords = ((GLbyte*) aVertices) + gVertexAlphaOffset; 19246ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 19256ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik bool force = mCaches.unbindMeshBuffer(); 19266ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 19276ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik aVertices, gAlphaVertexStride); 19286ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mCaches.resetTexCoordsVertexPointer(); 19296ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik mCaches.unbindIndicesBuffer(); 19306ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 19316ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik int alphaSlot = mCaches.currentProgram->getAttrib("vtxAlpha"); 19326ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glEnableVertexAttribArray(alphaSlot); 19336ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glVertexAttribPointer(alphaSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, alphaCoords); 19346ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 19356ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw left 19366ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, left, bottom, 0); 19376ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerBottom, 1); 19386ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, left, top, 0); 19396ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerTop, 1); 19406ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 19416ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw top 19426ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, right, top, 0); 19436ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerTop, 1); 19446ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 19456ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw right 19466ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, right, bottom, 0); 19476ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerBottom, 1); 19486ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 19496ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw bottom 19506ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, left, bottom, 0); 19516ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerBottom, 1); 19526ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik 19536ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // draw inner rect (repeating last vertex to create degenerate bridge triangles) 19546ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // TODO: also consider drawing the inner rect without the blending-forced shader, if 19556ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // blending is expensive. Note: can't use drawColorRect() since it doesn't use vertex 19566ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik // buffers like below, resulting in slightly different transformed coordinates. 19576ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerBottom, 1); 19586ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerLeft, innerTop, 1); 19596ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerBottom, 1); 19606ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik AlphaVertex::set(aVertices++, innerRight, innerTop, 1); 1961858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1962858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 196304299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 19646ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDrawArrays(GL_TRIANGLE_STRIP, 0, 14); 19657b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19666ebdc114e0d72137394f02bc8ffe9d7a782a65c4Chris Craik glDisableVertexAttribArray(alphaSlot); 196704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy } 1968858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1969858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1970858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 197199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 197299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 197399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 197499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 197599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 197699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 197799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 197899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 197999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 198099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 198199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 198299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 198399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 198499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 198599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 198699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 198799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 1988486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 1989486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 19908a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 19918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 199299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 199399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 199499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 19958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 19968a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 19978a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 19987b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 199999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 200099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 200199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 20027b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20038a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 20048a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 20057b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20068a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 20075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 20085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 2009c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 201099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 201199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 201299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 201399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 201499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 201599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 201699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 2017211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 201899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 201999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 202099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 202199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 20229147cd4ac56d53dec6da1ef13dd04ba1eec1a7dfChris Craik float m11 = mat->data[Matrix4::kScaleY]; 20237b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2024211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 2025211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 20267b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 202799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 202899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 20297b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 203099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 203199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 203299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 203399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 20368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 203704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 203804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 203904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 20408a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 204115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 20428a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 20438a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 20448a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 20458a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 20468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 20478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 2048211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 20498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 20508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 20518a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 20528a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 20538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 20548a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 20558a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 20568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 205799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 205899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 20595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 206099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 20615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20627b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20637b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 20647b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 20657b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 20675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 20687b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 206999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 207099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 20717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 2072211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 20735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 20745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 207599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 207699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 207799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 20785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 20795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 208099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 208199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 20828f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik float boundaryWidthProportion = .5 - 1 / (2 * halfStrokeWidth); 20837b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 20847b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 20855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 208799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 208899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 2089740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 209099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 209199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 20927b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 20945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 20955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 20965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 20977b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 209899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 209999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 210099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 21015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 21025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 210399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 210475040f8a7727f18bb33da23696a32a0760926ff2Chris Craik float x = n.x; 210575040f8a7727f18bb33da23696a32a0760926ff2Chris Craik n.x = -n.y; 210675040f8a7727f18bb33da23696a32a0760926ff2Chris Craik n.y = x; 210775040f8a7727f18bb33da23696a32a0760926ff2Chris Craik 21088a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 21098a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 21108a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 21118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 21128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 21138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 21148a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 21158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 21168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 21175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21187b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 211999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 212099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 212199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 212299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 212399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 212499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 212599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 212699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 212799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 212899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 21297b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 213099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 213199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 213275040f8a7727f18bb33da23696a32a0760926ff2Chris Craik boundaryWidthProportion = .5 - extendedNLength / (halfStrokeWidth + extendedNLength); 213399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 21345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21357b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 213699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 213799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 213899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 213999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 214099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 21417b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 214299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 214399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 214499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 214599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 21468f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - abLength / (length + abLength); 214799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 21488f5ad7657b6c7cdb8927d7da5140602b68b450acChris Craik boundaryLengthProportion = .5 - .5 / (length + 1); 214999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 21507b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 215199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 215299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 215399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 215499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 215599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 21565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 21575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 21585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 21595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 21605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 21615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 216299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 21635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 21645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 21655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 21665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 21675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 216804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy if (!quickRejectNoScissor(left, top, right, bottom)) { 21695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 21705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 21715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 21725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 21735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 21745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 21755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 21765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 21775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 21785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 21797b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 21815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 21825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 21835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 21847b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 21865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 21875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 218899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 218999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 219099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 219199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 219299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 219399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 219499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 21957b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 219699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 219799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 21987b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 219999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 220099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 220199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 22027b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 220399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 220499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 22055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 22065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 22075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 22085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 22095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 221099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 221199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 221299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 22135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 22145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22157b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 221699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 221799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 221899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 221999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 22207b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 22225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 22235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22247b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 222599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 222699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 222799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 22285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22307b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 22325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 22335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 22347b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22357b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 22367b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 22377b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 2238486590963e2207d68eebd6944fec70d50d41116aChet Haase 2239486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 22405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 22415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2242486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2243486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2244ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2245ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2246ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2247ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 22485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2249ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 22508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2251ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 22528a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 22538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 22548a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 22558a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 22568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2257ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2258ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2259ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2260ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2261ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2262ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2263ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2264ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2265ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2266ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 226704299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // TODO: We should optimize this method to not generate vertices for points 226804299385c681140239b0dc31d9780d087d2b4d7cRomain Guy // that lie outside of the clip. 226904299385c681140239b0dc31d9780d087d2b4d7cRomain Guy mCaches.enableScissor(); 227004299385c681140239b0dc31d9780d087d2b4d7cRomain Guy 2271ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 227215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 22738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2274ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2275ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2276ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2277ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2278ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 22798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2280ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2281ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2282ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2283ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2284ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2285ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2286ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2287ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2288ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 22897b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22908a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 22918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 22928a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 22938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 22947b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 22958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2296ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2297ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2298ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2299486590963e2207d68eebd6944fec70d50d41116aChet Haase 2300486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2301ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2302ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2303486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2304e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2305486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2306e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2307ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2308ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 230970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 23103d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2311486590963e2207d68eebd6944fec70d50d41116aChet Haase 2312486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2313c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 23149d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2315486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2316486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2317486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 231801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 231901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 232001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 232101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 232201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 232301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2324486590963e2207d68eebd6944fec70d50d41116aChet Haase 2325486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 232601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 232701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2328486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2329c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 2330486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 233101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2332a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2333c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2334c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2335486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2336c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 233701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2338486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2339486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2340c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2341a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 234201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2343486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(x - radius, y - radius, texture, paint); 2344c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 234501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2346486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2347486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2348486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 234901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2350a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2351c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2352486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2353c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2354c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2355486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 23568b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 2357486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 23588b2f5267f16c295f12faab810527cd6311997e34Romain Guy 23598b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2360486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawOval(left, top, right, bottom, paint); 23618b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 23628b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2363a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 23648b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 23658b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 2366486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 23678b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 23688b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2369486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2370c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2371486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2372c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2373a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2374c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2375486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 237601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 237701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2378486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2379c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2380486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawRectAsShape(left, top, right, bottom, p); 2381c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2382c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 23836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2384486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 23856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 23866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2387026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2388746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2389a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2390a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2391a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2392a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2393a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2394a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2395a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2396026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2397026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2398026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2399181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2400858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2401858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2402858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2403858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2404486590963e2207d68eebd6944fec70d50d41116aChet Haase 2405486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2406c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 24079d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2408416a847633680d94efb926837efdc18726d54918Raph Levienvoid OpenGLRenderer::drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, 2409416a847633680d94efb926837efdc18726d54918Raph Levien const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, 2410416a847633680d94efb926837efdc18726d54918Raph Levien float x, float y) { 2411416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.activeTexture(0); 2412416a847633680d94efb926837efdc18726d54918Raph Levien 2413416a847633680d94efb926837efdc18726d54918Raph Levien // NOTE: The drop shadow will not perform gamma correction 2414416a847633680d94efb926837efdc18726d54918Raph Levien // if shader-based correction is enabled 2415416a847633680d94efb926837efdc18726d54918Raph Levien mCaches.dropShadowCache.setFontRenderer(fontRenderer); 2416416a847633680d94efb926837efdc18726d54918Raph Levien const ShadowTexture* shadow = mCaches.dropShadowCache.get( 2417416a847633680d94efb926837efdc18726d54918Raph Levien paint, text, bytesCount, count, mShadowRadius, positions); 2418416a847633680d94efb926837efdc18726d54918Raph Levien const AutoTexture autoCleanup(shadow); 2419416a847633680d94efb926837efdc18726d54918Raph Levien 2420416a847633680d94efb926837efdc18726d54918Raph Levien const float sx = x - shadow->left + mShadowDx; 2421416a847633680d94efb926837efdc18726d54918Raph Levien const float sy = y - shadow->top + mShadowDy; 2422416a847633680d94efb926837efdc18726d54918Raph Levien 2423416a847633680d94efb926837efdc18726d54918Raph Levien const int shadowAlpha = ((mShadowColor >> 24) & 0xFF) * mSnapshot->alpha; 2424416a847633680d94efb926837efdc18726d54918Raph Levien int shadowColor = mShadowColor; 2425416a847633680d94efb926837efdc18726d54918Raph Levien if (mShader) { 2426416a847633680d94efb926837efdc18726d54918Raph Levien shadowColor = 0xffffffff; 2427416a847633680d94efb926837efdc18726d54918Raph Levien } 2428416a847633680d94efb926837efdc18726d54918Raph Levien 2429416a847633680d94efb926837efdc18726d54918Raph Levien setupDraw(); 2430416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawWithTexture(true); 2431416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2432416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilter(); 2433416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShader(); 2434416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawBlending(true, mode); 2435416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawProgram(); 2436416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 2437416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawTexture(shadow->id); 2438416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawPureColorUniforms(); 2439416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawColorFilterUniforms(); 2440416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawShaderUniforms(); 2441416a847633680d94efb926837efdc18726d54918Raph Levien setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 2442416a847633680d94efb926837efdc18726d54918Raph Levien 2443416a847633680d94efb926837efdc18726d54918Raph Levien glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2444416a847633680d94efb926837efdc18726d54918Raph Levien} 2445416a847633680d94efb926837efdc18726d54918Raph Levien 2446486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2447eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2448671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 24499c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2450486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2451eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2452eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2453671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2454671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2455486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2456671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2457671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2458671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2459671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2460671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2461671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2462671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2463671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2464671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2465671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2466b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2467671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2468671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2469671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2470671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2471671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2472671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2473671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2474416a847633680d94efb926837efdc18726d54918Raph Levien if (CC_UNLIKELY(mHasShadow)) { 2475416a847633680d94efb926837efdc18726d54918Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2476416a847633680d94efb926837efdc18726d54918Raph Levien 0.0f, 0.0f); 2477416a847633680d94efb926837efdc18726d54918Raph Levien } 2478416a847633680d94efb926837efdc18726d54918Raph Levien 2479671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2480671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2481671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2482671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2483671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2484671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2485671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2486671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 24874121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 2488671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2489671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2490671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2491671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2492671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2493671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2494671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2495671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2496671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2497671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2498671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2499671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 25004121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 2501671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2502671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2503671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2504671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2505211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2506671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2507671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2508671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2509671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2510671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2511671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2512671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2513671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2514671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2515671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2516486590963e2207d68eebd6944fec70d50d41116aChet Haase 2517486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2518eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2519eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2520c25259519f1b74bb62a2b051b74537f073436b5cRomain Guystatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2521996e57c84368058be793897ebc355b917a59abc2Raph Levien float x, float y, const float* positions, SkPaint* paint, float length) { 2522671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 25239c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy (paint->getAlpha() * mSnapshot->alpha == 0 && paint->getXfermode() == NULL)) { 2524486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2525e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2526e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2527a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2528e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2529e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2530e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2531e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2532e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2533e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2534e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2535e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2536e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2537e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2538e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2539cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2540cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 254133f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2542486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2543cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2544cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 25453a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 25463a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 25476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2548211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 25496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 25506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 25516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 25526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2553ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 2554c25259519f1b74bb62a2b051b74537f073436b5cRomain Guy ALOGD("OpenGLRenderer drawText() with FontID=%d", 2555996e57c84368058be793897ebc355b917a59abc2Raph Levien SkTypeface::UniqueID(paint->getTypeface())); 2556ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2557eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2558b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 2559b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2560fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2561e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 256286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 256386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 256486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 25659d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2566211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 2567996e57c84368058be793897ebc355b917a59abc2Raph Levien drawTextShadow(paint, text, bytesCount, count, positions, fontRenderer, alpha, mode, 2568996e57c84368058be793897ebc355b917a59abc2Raph Levien oldX, oldY); 25691e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 25701e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 25716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 25726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 25736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 25746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 25756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 25765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 257716c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // The font renderer will always use texture unit 0 2578a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 257986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 25804121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 258186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 258286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 258386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 258486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 258586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 258686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 258786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 258886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 258916c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // See comment above; the font renderer must use texture unit 0 259016c88085255c71a1a8fc034129aa2dcc61e1ddd0Romain Guy // assert(mTextureUnit == 0) 259186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 259286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 259386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 259486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 25954121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 259606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 25976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 25985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 25995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2600211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2601894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2602996e57c84368058be793897ebc355b917a59abc2Raph Levien bool status; 26038b4072d3fb9bb49d774d97689a065204beca1752Raph Levien if (paint->getTextAlign() != SkPaint::kLeft_Align) { 26048b4072d3fb9bb49d774d97689a065204beca1752Raph Levien SkPaint paintCopy(*paint); 26058b4072d3fb9bb49d774d97689a065204beca1752Raph Levien paintCopy.setTextAlign(SkPaint::kLeft_Align); 26068b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(&paintCopy, clip, text, 0, bytesCount, count, x, y, 2607996e57c84368058be793897ebc355b917a59abc2Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2608996e57c84368058be793897ebc355b917a59abc2Raph Levien } else { 26098b4072d3fb9bb49d774d97689a065204beca1752Raph Levien status = fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 26108b4072d3fb9bb49d774d97689a065204beca1752Raph Levien positions, hasActiveLayer ? &bounds : NULL); 2611996e57c84368058be793897ebc355b917a59abc2Raph Levien } 26124ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 26134ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (status && hasActiveLayer) { 26144ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (!pureTranslate) { 26154ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy mSnapshot->transform->mapRect(bounds); 26165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 26174ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 26185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2619694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 26203a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2621486590963e2207d68eebd6944fec70d50d41116aChet Haase 2622486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2623694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2624694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2625486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2626325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 262703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 262803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2629486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 263003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 263103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 2632b1d0a4ed21168fefcb82232c8f22cb95d60acb85Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer->getFontRenderer(paint); 263303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 263403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 263503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 263603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 263703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 263803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 263903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 264003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 264103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 26424121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGamma(paint); 264303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 264403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 264503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 264603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 264703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 264803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 264903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 26509777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 265103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 265203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 265303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 26549777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 26554121063313ac0d6f69f6253cac821d0c1c122086Romain Guy setupDrawTextGammaUniforms(); 26569777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 26579777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 26589777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 265903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 26609777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 26619777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 26629777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 26639777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 26649777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 26659777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 26669777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 26679777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 26689777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2669486590963e2207d68eebd6944fec70d50d41116aChet Haase 2670486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2671325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2672325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2673486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2674486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2675dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2676a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 26777fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 267833f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2679fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2680486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 268122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 26827fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 26838b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 26848b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 26858b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 268601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2687486590963e2207d68eebd6944fec70d50d41116aChet Haase 2688486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 26897fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 26907fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2691486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 269235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (!layer) { 2693486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 26946c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 26956c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 269635643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect transformed; 269735643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy Rect clip; 269835643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy const bool rejected = quickRejectNoScissor(x, y, 269935643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), transformed, clip); 27004ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 270135643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy if (rejected) { 270235643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy return DrawGlInfo::kStatusDone; 270335643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy } 270435643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy 270535643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy bool debugLayerUpdate = false; 270611cb642756093a4af901b1525375b1eb2b5c3e2bRomain Guy if (updateLayer(layer, true)) { 27074ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy debugLayerUpdate = mCaches.debugLayersUpdates; 27082bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 27092bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 271035643ddc689913f5b5f80ceed864470d987bd6cdRomain Guy mCaches.setScissorEnabled(!clip.contains(transformed)); 2711a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 27126c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2713211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2714c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 271540667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2716c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 2717d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase const float a = layer->getAlpha() / 255.0f; 2718d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase SkiaColorFilter *oldFilter = mColorFilter; 2719d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase mColorFilter = layer->getColorFilter(); 2720c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2721c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2722c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 27238168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2724c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 27259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2726c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2727c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2728c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 27299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2730211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 27314ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int tx = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 27324ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy int ty = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 27339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2734d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 27354ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy setupDrawModelViewTranslate(tx, ty, 27364ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy tx + layer->layer.getWidth(), ty + layer->layer.getHeight(), true); 27379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2738d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 27399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 27409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 27419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2742c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2743c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2744c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2745c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2746c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2747c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 27483a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 2749d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase mColorFilter = oldFilter; 2750d15ebf25c595b855f6978d0600218e3ea5f31e92Chet Haase 27513a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 27523a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 27533a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2754c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 27554ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 27564ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy if (debugLayerUpdate) { 27574ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy drawColorRect(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight(), 27584ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy 0x7f00ff00, SkXfermode::kSrcOver_Mode); 27594ff0cf4b83605bff630c4e6f1fabe4f72a3f93a1Romain Guy } 2760f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2761486590963e2207d68eebd6944fec70d50d41116aChet Haase 2762486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 27636c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 27646c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 27656926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2766d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2767d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2768d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2769d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 277006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 277106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 277206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 277306f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 277406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 277506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2776fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 277706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 27787fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 27797fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2780d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2781db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2782db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2783db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2784db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2785db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2786db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2787db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2788db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2789db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2790db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2791db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2792db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 27931e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 27941e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 27951e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 27961e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 27971e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 27981e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 27991e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 28001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 28011e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 28021e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 28031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 28041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 28051e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 28061e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 28071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 28081e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 28095ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 28105ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 28115ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28125ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 28135ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 28145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 28155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28165ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 28175ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 28185ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 28195ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 28205ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 28215ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28225ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2823dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 28245ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28255ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 28265ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28275ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 28285ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 28295ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28305ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 28315ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 28325ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 28335ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 28346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 28356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 28366926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 283701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 283801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 283901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 284001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 284101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 284201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 284301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 284401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 284501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 284601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 284701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 284801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 284901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 285001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 285101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 285201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 285301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 285401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 285501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 285601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 285701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 285801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 285901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 286001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 286101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 286201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 286301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 286401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 286501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2866f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 28670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 28680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 28690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 28700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 28720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 28730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 28740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 28750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2876726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 28770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 28780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 28790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2880726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 28810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 28820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2883211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2884726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2885f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 28860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28878b4072d3fb9bb49d774d97689a065204beca1752Raph Levien const float left = x; 28880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2889e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2890f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2891f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2892f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2893f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2894f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2895e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2896e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 28970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 28980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 28990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2900e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2901e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2902e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2903e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 29040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 29050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 29060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 29070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2908e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2909e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2910e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2911e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 29120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2913e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2914726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2915e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2916726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 29170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 29180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 29190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 29200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2921026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 29221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2923d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 292406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2925d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2926d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2927d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 292870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 292915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 29309c0b188e4231bcb967234f3646c178d22d8a9f50Romain Guy setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha); 293170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 293270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 293370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 293470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 293570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 293670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 293770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 293870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 293970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2940c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2941c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2942c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2943c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 294482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 29458164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 294682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 294782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 294882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 294982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2950d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 29518164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2952211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 29536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 29546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 29556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2956d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 29576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 29586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 29596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 29606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2961d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 29626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 29636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 29646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 29656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 296685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 296785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2968bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2969a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2970a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 297103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2972f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2973f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2974f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2975a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 29766820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 29775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 29788694230ff25fa0a60e480d424843e56b718f0516Romain Guy 297970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 298070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 298170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 298270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 298370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 298470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 298570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 298670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2987db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 29885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 298970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 299003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 299170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2992db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 299386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 299470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 299570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 299670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2997db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 29986820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 299970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 300070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 300182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 300282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 3003a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 3004f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 300582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 3006c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 300782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 300882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 300982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 301082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 301182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 301282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 301333fa1f774c8e7289fd7c39fbc2c65b9361f2c2c4Romain Guy if (CC_UNLIKELY(mode > SkXfermode::kScreen_Mode)) { 3014211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 3015a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 3016f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 3017a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 301882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 301982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 302082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 302182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 302282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 302382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 302482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 302582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 3026a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 302782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 302882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 302982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 303082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 303182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 303282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 303382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 303482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 303582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 303682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 303782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 303882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 303982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 304082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3041fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 304282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 304382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 3044fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 3045bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 3046bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3047889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 3048d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 3049fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 3050d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 3051fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 30526926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 3053260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 30546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 3055260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 3056260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 3057026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 3058ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 305982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 306082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 306182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 306282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 30638ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 30648ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 30655c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 3066be6f9dc1e71b425b7ac1c40c0a2c72d03eb9fbeeRomain Guy getAlphaAndModeDirect(paint, alpha, mode); 3067db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 3068026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 3069026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 30709d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 3071e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 3072