OpenGLRenderer.cpp revision 44b2fe3fc114ee5f7273c6b0fee2cc999bf244a2
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 48dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy// TODO: This should be set in properties 49dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy#define ALPHA_THRESHOLD (0x7f / PANEL_BIT_DEPTH) 50dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 51d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy#define FILTER(paint) (paint && paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 52d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 569d5316e3f56d138504565ff311145ac01621dff4Romain Guy 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 65889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 66026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 68026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 692ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 832ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 84026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 85e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 89f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1042ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 105f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 106f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 110f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 111fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 113db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 1155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 116026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 118ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 119ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 120e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 121e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12329d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12429d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 126e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 127f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 12813631f3da855f200a151e7837ed9f6b079622b58Romain Guy// Debug 12913631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 13013631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13113631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 13213631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.startMark(0, name); 13313631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13413631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13513631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::endMark() const { 13613631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.endMark(); 13713631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13813631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13913631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 140f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 141f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 142f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 143530041d3191ce817832a0108514617768e43cda6Romain Guyuint32_t OpenGLRenderer::getStencilSize() { 144530041d3191ce817832a0108514617768e43cda6Romain Guy return STENCIL_BUFFER_SIZE; 145530041d3191ce817832a0108514617768e43cda6Romain Guy} 146530041d3191ce817832a0108514617768e43cda6Romain Guy 14749c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guybool OpenGLRenderer::isDeferred() { 14849c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy return false; 14949c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy} 15049c5fc0b9e850497233e189ff9dcc71a78ebe6e7Romain Guy 15185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 152260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 153bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 154bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 155bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 156eb99356a0548684a501766e6a524529ab93304c8Romain Guy 157eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 158eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 159746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1603e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glDisable(GL_DITHER); 16139d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy glEnable(GL_SCISSOR_TEST); 1623e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 16315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1643e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glEnableVertexAttribArray(Program::kBindingPosition); 165e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 166e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 16744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepare(bool opaque) { 16844b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1697d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1707d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 17144b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haaseint OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 172fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 173fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1748aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1758aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17684962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1778fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 178f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1797d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 180ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mDirtyClip = opaque; 181ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 182ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy syncState(); 1837d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1846b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 185ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 1866b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 18744b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDrew; 188ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 189ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy mCaches.resetScissor(); 190ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } 19144b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase 19244b2fe3fc114ee5f7273c6b0fee2cc999bf244a2Chet Haase return DrawGlInfo::kStatusDone; 193ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy} 194ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 195ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guyvoid OpenGLRenderer::syncState() { 196ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glViewport(0, 0, mWidth, mHeight); 197ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy 198ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy if (mCaches.blend) { 199ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glEnable(GL_BLEND); 200ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy } else { 201ddf74373616c89e0880a28a2185fd7ce3db91de6Romain Guy glDisable(GL_BLEND); 2026b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 203bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 204bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 205b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 206b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 207b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 208b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 2095baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error from OpenGLRenderer: 0x%x", status); 210a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 211a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_ENUM: 212a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_ENUM"); 213a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 214a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_VALUE: 215a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_VALUE"); 216a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 217a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy case GL_INVALID_OPERATION: 218a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" GL_INVALID_OPERATION"); 219a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy break; 220a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 221a44a63ac5c29b2cc57df95ec495def8cdddd9c6fRomain Guy ALOGE(" Out of memory!"); 222a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 223a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 224b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 225b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 226c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 227c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 228e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 229e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 230e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 231e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 232c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 233b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 234b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2356c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 236da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 237da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 238da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 239da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 240da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 241da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 24250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 24315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 244f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 24515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 246da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 247da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2486c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 24908837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 25008837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase 25108837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 2523e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2533e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 254da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 25582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 256746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 257da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 258a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25908837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 26050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 26150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 26250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 26350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 26450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 265da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 266da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 267ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 268932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik mFunctors.remove(functor); 269ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2708f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 271ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 272ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 273ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2748f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 275ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 276ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 2773d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 2788f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 279ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 280ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 281ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 282ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 283ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 284ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 285ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 286ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 287ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 288ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 289ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 290ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 291ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 292ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 293ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 294ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 295ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 296ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 297c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusDraw) { 298ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 299ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 300c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik } 301ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 302c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik if (result & DrawGlInfo::kStatusInvoke) { 303c2c9543c135ffc4e18c7db0e817112ac03e3e97aChris Craik mFunctors.add(f); 3048f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3058f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3068f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 3078f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 308c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy mCaches.activeTexture(0); 309c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 3108f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 3118f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 3128f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3138f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 314daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 315932b7f6765968bd526c03512f3805fbc3924dc29Chris Craik detachFunctor(functor); 316c8538ade8df2c2f013f8b93094912057ee1cc417Chris Craik 317f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 318f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 319f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 320d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 32180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 32280911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 32380911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 324d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 325d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 326d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 327d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 328d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 329d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 330d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 331d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 33208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 33308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 33408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 33508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 33608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 33708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 3387b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 3397b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 34008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 34180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 342486590963e2207d68eebd6944fec70d50d41116aChet Haase status_t result = (*functor)(DrawGlInfo::kModeDraw, &info) | DrawGlInfo::kStatusDrew; 343cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 3448f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 34508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 346cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 3478f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 34865924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 349ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 3508f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 351cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 352cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 353daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 3546554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 355daf98e941e140e8739458126640183b9f296a2abChet Haase} 356daf98e941e140e8739458126640183b9f296a2abChet Haase 357f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 358f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 359f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 360f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 361bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 3627ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 363bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 364bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 365bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 3668aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 367bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 368bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 369bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 3702542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 3712542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3727ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 373bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 374bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 375bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 3768fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 377bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3788fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 3792542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3807ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 381bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 382bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3838aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 3848aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 3858fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 386bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 387bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 388bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 3897ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 390bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 391eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 392bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 393bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 3947ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 395bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 396eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 397eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 398eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 399eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 400eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 401eb99356a0548684a501766e6a524529ab93304c8Romain Guy 4028b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 4038b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 4048b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 4052542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 406746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 4078fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 4082542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 4095ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 4105ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 4115ec9924d24495822b589f1a17996655d66273b30Romain Guy } 4125ec9924d24495822b589f1a17996655d66273b30Romain Guy 4132542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 414d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 4155cbbce535744b89df5ecea95de21ee3733298260Romain Guy 416f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 417bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 418bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 419bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 420bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 4215c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 422eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 423eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 424d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 425af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 426e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 427e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 428e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 429e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 430e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 431e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 432e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 433e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 434e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 435e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 436e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 437e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 438e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 439a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 440a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 441e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 442d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 443d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 444dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 445dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 446d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 447d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 448bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 449bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 450bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 451bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 4525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 4538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 4548b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 4558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 4568aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 4578aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 4588b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 459d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 460bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 4621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 4631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 4641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 4651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 4661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 4671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 4681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 4701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 4711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 4721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 4731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 4741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 4751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 4761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 4786b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 4796b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 4806b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 4816b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 4821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 4841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 4851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 48687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 4871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 4881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 4891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 4911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 4921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 4931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 4941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 4951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 4971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 4981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 4991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 5001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 5011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 5021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 5031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 5041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 5051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 50687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 50787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 50887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 50987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 51087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 5111c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 512d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 513eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 514eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 515eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 516fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 517dda570201ac851dd85af3861f7e575721d3345daRomain Guy 518eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 519eb99356a0548684a501766e6a524529ab93304c8Romain Guy 520f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 5218aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 5227b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 523eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 524ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 525eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 526ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 527ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 528ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 529ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 530ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 531ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 532ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 533ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 534ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 535ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 536ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 537ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 538ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 539eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 540bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 541746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 542746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 54332963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 544dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 545e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 546dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 547dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 548dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 549af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 550b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 551b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 552dda570201ac851dd85af3861f7e575721d3345daRomain Guy 553a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 5548550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 555f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 556f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 557bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 558bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 5608aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 5619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 5629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 5639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 564a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 565dda570201ac851dd85af3861f7e575721d3345daRomain Guy 5668fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 5678fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 568dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 5691d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 570eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 5715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 572eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 573eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 5749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 575514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 5769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 5789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.left, snapshot->height - bounds.bottom, 5799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 5809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 581514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 582514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 583514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 584514fb18827186591d66973c2362c859b64b63556Romain Guy } 5857b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 58654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 58754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 588ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 589eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 590f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 591d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 592bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 593bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 5955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 5969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 6075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 6115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 6135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 6145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 6155ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 6189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy snapshot->fbo = layer->getFbo(); 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 6225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 6235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 6245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 6255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 6279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 6289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 6295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 6319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 6329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 6339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 6345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 6379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 6385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 6415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 6423762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Framebuffer incomplete (GL error code 0x%x)", status); 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 6459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 6475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 6515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 6558f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 6565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 6575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 6605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 6635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 6645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 6665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 6701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 6711d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 6721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 6733762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 6741d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 6751d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 678eb99356a0548684a501766e6a524529ab93304c8Romain Guy 679eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 680e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 681e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 682e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy 683eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 684eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 685eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 686eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6871d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 6881d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 6891d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 691f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 6929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 6935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 6949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 695f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 696f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 69703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 6988b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 699a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 7005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 7025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 703eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 7059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 7069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 707171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 7099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 710171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 711171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 7129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 7139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 7149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 715eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 7161d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 717eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 7189c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 7199c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 7209c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 7219c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 7229c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 723eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 724eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 7255c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 726eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 727eb99356a0548684a501766e6a524529ab93304c8Romain Guy 728746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 729746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 730eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 7318550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 7321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 7339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 7341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 7351d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 7361d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 7371d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 738aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 7399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 740aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 741302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 742302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 743302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 744302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 745302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 746302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 747aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 7489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7498f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 7508f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7518f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 7528f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 7538f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 754aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 755aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 7569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 757aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 758aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 759aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 7609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7628f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 7648f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 765ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 766ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 767ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 7689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 771d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 774d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 7769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 778aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 779aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 780aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 781aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 782aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 783302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 784302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 785302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 786302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 787aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 788aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 7895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 7909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 791aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 792aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 793aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 7945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 7969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 797b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 798ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 799b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 800b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 801b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 8029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 8039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 8049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 808d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 8099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 810d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 8119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 8129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 8139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 8149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 8159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 8169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 8179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 8185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 819aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 820aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 821aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 822aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 823aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 824aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 8255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 8285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 8295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 8309fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 8319fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 83240667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 8339fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 8345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 8365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8388a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 8398a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 840211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 8415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 8425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 8435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 8459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 8469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 847f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 8485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 8505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8527230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 8537230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 8547230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 855ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 8569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 8577230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 8587230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 8597230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 860ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 8619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 8629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 8639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 866d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 8679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 8689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 869d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 8709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 8719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 87215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 8735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 878f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 8795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 880f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 8815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 8835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 8845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 8855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 8865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 8875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 8895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 8915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 8935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 8945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 8985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9017230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 9025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9043a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 9055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 9085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 9105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 9115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 9153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 9163a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 9173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 9183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 9203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 9213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 9223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 9233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 9253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 9263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 9283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 9293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 9303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 9313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 9343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 9353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 9363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 9383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 9393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 9425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 943f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 9455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 946f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 9535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 954f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 956f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9571bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 9581bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 9591bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 9601bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 9611bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 9621bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 9631bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 9641bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 9651bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 9661bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 9671bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 9685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 97354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 97454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 97554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 97654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 97854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 97954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 98054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 98154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 98354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 98454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 98554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDisable(GL_SCISSOR_TEST); 98654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 98854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 98954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 99154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 99254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 99454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 99554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 99654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 99754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 99854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 99954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 100154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 100254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 100354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 100454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 100554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 100654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 100754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 100854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 100939d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 101054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 101154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 101254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 101354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glEnable(GL_SCISSOR_TEST); 101454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 101554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 101654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 101754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 101854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 101954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 102054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 102154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 102254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 1023bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1024f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1025f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1026f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1027f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 10288aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1029f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1030f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1031f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 10328aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1033f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1034f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1035f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 10368aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1037f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1038f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1039807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1040807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1041807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1042807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1043f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1044e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1045e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1046e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1047e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1048e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1049f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1050f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1051f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 10528aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1053f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1054f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1055f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1056e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1057e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1058e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1059e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1060f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1061f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1062f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1063f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1064f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1065f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1066bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1067e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1068e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 10698f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 10708f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 10718f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy clip.getWidth(), clip.getHeight()); 10728f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 1073746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 10749d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 10759d5316e3f56d138504565ff311145ac01621dff4Romain Guy 10769d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1077079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1078bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1079bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1080c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1081af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1082dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1083dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1084dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 10851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 10868aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1087d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1088d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1089d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1090d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1091d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1092d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 1093c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1094c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1095079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1096079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 10977ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1098746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 10997ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 11008aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1101e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1102e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1103a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1104a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1105a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1106a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 110870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 110970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 111070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 111154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 111254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 111370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 111470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 111570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 111670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 111770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 111870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 111970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 112070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 112170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 112270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 112370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 112470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 112570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 112670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 112770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 112870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1129aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1130aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1131aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1132aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 113315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 113415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 113515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 113615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 11375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 113899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 11395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1141ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1142ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1143ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1144ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1145ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 114670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 11478d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 11488d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11498d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 11508d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 11518d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1152db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase mColorA *= mSnapshot->alpha; 11536cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 11546cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 115570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1156fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1157fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1158fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 115970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 116070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 116170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 116270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 116386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 116486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 11656cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 11666cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 116786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 116886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 116986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 117086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 117186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 117286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 117386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 117486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 117570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 117670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 117770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 117870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 117970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 118070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 118170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 118270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 118370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 118486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 118586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 118686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 118786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 118886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 118986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 119086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 119186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 119286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 119370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 119470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 119570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 119670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 119770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 119970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 120070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 120170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 120270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 120370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1205f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1206f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1207f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1208f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 120954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1210f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1211f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1212f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 121370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1214f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1215f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1216f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 121770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 121870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 121970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 122170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1222f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1223f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1224f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 122570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 122670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 122770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 122970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 123070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 123170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 123470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 123570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 123870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 123970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 124070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 124170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 124270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 124370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 124470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 124570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 124670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 124770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 12508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 12518d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12528d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 125370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 125470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 125570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 125670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 125770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 125870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 125970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 126070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 126186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 126286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 126386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 126486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 126586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 126686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 126786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 126886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 126986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 127086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 127170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 127270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1273ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1274ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1275ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1276ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1277ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 127870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 127955fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 128070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 128170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 128270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 128370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 128486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 12855536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 128686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 12875536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 12885536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 12895536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 129070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 129170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 129270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 129370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 129470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 129570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 129670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 129770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 129870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12998d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 13008d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 13018d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 13028d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 13038d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 13048d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 130570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 130670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 130770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 130870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 130970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 131170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1312f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1313f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 131415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 131570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 131770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 131870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 13192d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 132015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 132170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 132270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1323aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1324aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 13252d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 132615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1327aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1328aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 13298f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 13308f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 13318f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 13328f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 13338f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1334aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1335aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1336aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1337aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 133870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1339f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 134070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1341f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 134270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1343f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 134470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1345d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1346f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 134715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 134815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 134915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 135015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 135115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 135215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 135315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 135415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 135515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 135615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 135715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 135815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 13598d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 136070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 136170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1363f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1364f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1365f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 136615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 13675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 13695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 13705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 137199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 137299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 137399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 137499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 137599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 137699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 137799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 137899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 13795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 138099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 13817b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1382f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1383f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1384f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1385f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 138615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1387d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13887b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 138999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 139099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1391d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13927b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 139399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 139499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1395d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 139799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 1398d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 139999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 14005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 14017b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glUniform1f(inverseBoundaryWidthSlot, 1.0f / boundaryWidthProportion); 14027b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 14037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 14047b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 14057b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 14067b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 14075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 14085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 140970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 141070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 141170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 141270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1413f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1414f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1415f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 14161271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 141733f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1418b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 14190fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 14200fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 142104c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 14221271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 14230fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 14247b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 14256554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 14260fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 14270fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1428ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1429ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1430ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1431ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1432ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1433ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1434a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1435a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1436a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1437a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1438a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1439a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1440a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1441a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1442e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1443a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1444a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1445a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1446a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1447a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1448e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1449d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1450d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1451a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1452a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1453a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1454a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 14555b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 14565b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 14575b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1458a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1459a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1460a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1461a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1462a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1463e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1464a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1465d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1466d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1467e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1468a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1469a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1470a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1471a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1472a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1473a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1474a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1475a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1476a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1477a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1478486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 14796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 14806926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 14816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 14826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1483486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 14846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1486a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14878164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1488486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 148922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 149022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1491211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1492a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1493a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1494a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1495a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1496486590963e2207d68eebd6944fec70d50d41116aChet Haase 1497486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 14988ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 14998ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 1500486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1501f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1502f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1503f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1504f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 15056926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 1506486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15076926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15086926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1509a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15108164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1511486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 151222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 151322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 15145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 15155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 15165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 15175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 15185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 15195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1520486590963e2207d68eebd6944fec70d50d41116aChet Haase 1521486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1522f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1523f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 1524486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 1525e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float right = left + bitmap->width(); 1526e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const float bottom = top + bitmap->height(); 1527e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1528e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy if (quickReject(left, top, right, bottom)) { 1529486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 1530e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy } 1531e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1532e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy mCaches.activeTexture(0); 1533e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy Texture* texture = mCaches.textureCache.getTransient(bitmap); 1534e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy const AutoTexture autoCleanup(texture); 1535e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1536e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1537486590963e2207d68eebd6944fec70d50d41116aChet Haase 1538486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1539e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy} 1540e651cc6239616a202f6e96ebc2ed93b4b8b3627cRomain Guy 1541486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 15425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 15435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 15445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 1545486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 15465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1548a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1550486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 15515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1552e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1553d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1554d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 15555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 15575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 15585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 15595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 15615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1562b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1563b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1564b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1565b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1566b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1567b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1568211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1569b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1570211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 1571b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1572b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1573a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1574a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 15755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 15765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 15775a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 15785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 15795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 15815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 15825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 15835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 15845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 15865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 15875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 15885a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 15895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 15905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 15915a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 15925a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 15935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15945a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15955a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 15965a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 15975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 16005a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1601b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1602b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1603b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1604b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1605b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1606b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1607b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1608b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1609b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1610b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 16115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 16135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1614b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1615b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1616b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1617b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1618b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1619b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 16205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 16215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1622b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 1623486590963e2207d68eebd6944fec70d50d41116aChet Haase 1624486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 16255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 16265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1627486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 16288ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 16298ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 16305c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 16316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 1632486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16336926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1635a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16368164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1637486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 163822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 16398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 16418ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1642c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 16436816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 16446816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 16456816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 16466816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1647c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 164803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 16498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 16508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 165103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 165203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 165303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 165403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1655d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1656d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1657211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 16586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 16596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 16606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1661b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1662631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1663631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1664d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1665b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1666b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1667d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 16686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 16696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 16706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 16726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1673d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 16746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 16756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 16776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16788ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16798ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1680486590963e2207d68eebd6944fec70d50d41116aChet Haase 1681486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1682ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1683ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 1684486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 16854bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 16865c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 16876926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 1688486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 16896926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16906926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1691a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16928164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 1693486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 169422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1695d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1696d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1697f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1698f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1699f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1700f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1701f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 17022728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 17034bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1704f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1705211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 17066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1707a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 17085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 17098168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1710c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1711c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 17125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 17135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 17148ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1715211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1716c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1717c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1718c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 17196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1720c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1721c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 17226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 17235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 17245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1725a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 17265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1727211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 17286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 17296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 17306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 17316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 17326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17336620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 17346620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 17366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 17376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 17386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 17396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 17406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1741054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1742486590963e2207d68eebd6944fec70d50d41116aChet Haase 1743486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 1744f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1745f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 174699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1747858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1748858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1749858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1750858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1751858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1752858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1753181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1754858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1755858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 1756858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1757211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 1758858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1759858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1760858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1761858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1762858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1763858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1764858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1765858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1766858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1767858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1768858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1769858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1770858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1771858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDraw(); 177215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 1773858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine(); 1774858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColor(color); 1775858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilter(); 1776858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShader(); 1777858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawBlending(true, mode); 1778858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawProgram(); 1779858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawModelViewIdentity(true); 1780858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorUniforms(); 1781858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilterUniforms(); 1782858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShaderIdentityUniforms(); 1783858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1784858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex rects[4]; 1785858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex* aaVertices = &rects[0]; 1786858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 1787858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 1788858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1789858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1790858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1791858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1792858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1793858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1794858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1795858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1796858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1797858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1798858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float width = right - left; 1799858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float height = bottom - top; 1800858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 18017b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 18027b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 18037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1804858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 1805858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 18067b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 18077b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 18087b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1809858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 1810858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 1811858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 18127b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glUniform1f(inverseBoundaryLengthSlot, (1.0f / boundaryHeightProportion)); 1813858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1814858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!quickReject(left, top, right, bottom)) { 1815858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1816858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1817858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1818858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1819858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1820858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 1821858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 18227b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18237b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 1824858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1825858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1826858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 182799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 182899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 182999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 183099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 183199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 183299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 183399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 183499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 183599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 183699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 183799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 183899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 183999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 184099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 184199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 184299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 184399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 1844486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 1845486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 18468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 184899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 184999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 185099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 18518a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 18528a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 18538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 18547b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 185599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 185699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 185799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 18587b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 18608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 18617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18628a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 18635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 18645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1865c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 186699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 186799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 186899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 186999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 187099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 187199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 187299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 1873211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 187499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 187599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 187699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 187799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 187899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 187999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 188099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 18817b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1882211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 1883211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 18847b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 188599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 188699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 18877b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 188899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 188999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 189099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 189199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 18925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18948a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 18958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 189615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 18978a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 18988a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 18998a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19008a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 19018a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 19028a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 1903211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 19048a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 19058a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 19068a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 19078a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 19088a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 19098a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 19108a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 191299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 191399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 19145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 191599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 19165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19177b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19187b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 19197b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 19207b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 19225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 19237b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 192499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 192599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 19267b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1927211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 19285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 19295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 193099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 193199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 193299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 19335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 19345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 193599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 193699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 193799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 19387b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 19397b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 19405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 194299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 194399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1944740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 194599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 194699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 194799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 194899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 19497b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 19515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 19525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 19535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 19547b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 195599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 195699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 195799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 19585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 196099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 19618a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19628a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19638a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 19648a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 19658a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 19668a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 19678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 19688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19698a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 19705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 197299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 197399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 197499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 197599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 197699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 197799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 197899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 197999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 198099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 198199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 19827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 198399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 198499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 198599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 198699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 19875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19887b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 19905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 19915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 19925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 199399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 199499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 199599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 199699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 199799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 19987b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 199999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 200099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 200199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 200299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 200399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 200499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 200599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 200699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20077b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 200899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 200999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 201099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 201199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 201299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 20145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 20155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 20165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 20175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 20185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 201999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 20215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 20225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 20235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 20245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 20255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 20265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 20275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 20285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 20325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 20335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20367b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 20385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 20395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 20405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 20417b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 20435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 204599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 204699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 204799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 204899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 204999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 205099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 205199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 205299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 205399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20547b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 205599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 205699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 205799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20587b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 205999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 206099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 206199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 206299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 206399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 20647b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 206599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 206699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 206799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 20695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 207399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 207499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 207599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 20765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20787b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 207999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 208099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 208199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 208299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 20837b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 20855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20877b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 208899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 208999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 209099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 20915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20937b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 20955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 20965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20977b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20987b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 20997b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 21007b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 2101486590963e2207d68eebd6944fec70d50d41116aChet Haase 2102486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 21035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 21045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2105486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2106486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2107ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2108ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2109ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2110ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 21115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2112ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 21138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2114ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 21158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 21168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 21178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 21188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 21198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2120ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2121ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2122ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2123ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2124ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2125ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2126ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2127ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2128ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2129ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2130ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 213115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 21328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2133ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2134ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2135ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2136ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2137ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 21388a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2139ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2140ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2141ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2142ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2143ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2144ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2145ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2146ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2147ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 21487b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 21508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 21518a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 21528a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 21537b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21548a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2155ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2156ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2157ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2158486590963e2207d68eebd6944fec70d50d41116aChet Haase 2159486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2160ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2161ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2162486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2163e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2164486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2165e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2166ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2167ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 216870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 21693d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2170486590963e2207d68eebd6944fec70d50d41116aChet Haase 2171486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2172c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 21739d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2174486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, 2175486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2176486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 217701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 217801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 217901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 218001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 218101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 218201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2183486590963e2207d68eebd6944fec70d50d41116aChet Haase 2184486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 218501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 218601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2187486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2188c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 2189486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 219001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2191a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2192c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2193c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2194486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2195c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 219601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2197486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2198486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2199c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2200a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 220101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2202486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(x - radius, y - radius, texture, paint); 2203c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 220401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2205486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawOval(float left, float top, float right, float bottom, 2206486590963e2207d68eebd6944fec70d50d41116aChet Haase SkPaint* paint) { 2207486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 220801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2209a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2210c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2211486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 2212c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2213c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2214486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 22158b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 2216486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 22178b2f5267f16c295f12faab810527cd6311997e34Romain Guy 22188b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 2219486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawOval(left, top, right, bottom, paint); 22208b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 22218b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2222a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22238b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 22248b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 2225486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 22268b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 22278b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2228486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2229c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2230486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2231c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2232a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2233c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2234486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawShape(left, top, texture, paint); 223501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 223601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2237486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2238c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2239486590963e2207d68eebd6944fec70d50d41116aChet Haase return drawRectAsShape(left, top, right, bottom, p); 2240c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2241c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 22426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 2243486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 22446926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 22456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2246026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2247746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2248a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2249a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2250a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2251a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2252a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2253a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2254a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2255026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2256026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2257026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2258181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2259858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2260858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2261858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2262858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2263486590963e2207d68eebd6944fec70d50d41116aChet Haase 2264486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2265c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 22669d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2267486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2268eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2269671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2270671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2271486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2272eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2273eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2274671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2275671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2276486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2277671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2278671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2279671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2280671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2281671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2282671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2283671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2284671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2285671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2286671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2287671d6cf460531825a321edb200523d0faa7792c9Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2288671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2289671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2290671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2291671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2292671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2293671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2294671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2295671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2296671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2297671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2298671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2299671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2300671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2301671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2302671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 2303671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2304671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2305671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2306671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2307671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2308671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2309671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2310671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2311671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2312671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2313671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2314671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 2315671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2316671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2317671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2318671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2319671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2320211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2321671d6cf460531825a321edb200523d0faa7792c9Romain Guy#else 2322211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 2323671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2324671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2325671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2326671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2327671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2328671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2329671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2330671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2331671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2332671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2333671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2334671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2335671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2336486590963e2207d68eebd6944fec70d50d41116aChet Haase 2337486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2338eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2339eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2340486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2341cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy float x, float y, SkPaint* paint, float length) { 2342671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2343671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2344486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2345e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2346e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2347a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2348e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2349e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2350e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2351e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2352e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2353e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2354e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2355e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2356e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2357e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2358e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2359cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2360cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 236133f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2362486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 2363cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2364cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 23653a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 23663a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 23676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2368211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 23696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 23706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 23716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2373ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 23745baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("OpenGLRenderer drawText() with FontID=%d", SkTypeface::UniqueID(paint->getTypeface())); 2375ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2376eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2377eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2378b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2379fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2380e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 238186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 238286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 238386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 23849d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2385211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 23862d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mCaches.activeTexture(0); 23872d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy 2388b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 238967ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get( 239067ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint, text, bytesCount, count, mShadowRadius); 23911e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 23920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2393740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 2394740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 239586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 239686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 2397740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 2398740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 2399740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 2400740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 240186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 240286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 240386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 2404740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2405740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 2406740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 240786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 240886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2409740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 241086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 241186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 2412740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 2413740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 241486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 24150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 24160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 24171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 24181e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 24196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 24206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 24216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 24226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 24236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 24245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2425a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 242686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 242786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 242886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 242986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 243086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 243186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 243286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 243386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 243486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 243586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 243686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 243786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 243886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 243906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 24406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 24415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 24425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 24435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2444211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 24455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 2446211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 24475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 2448894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 24496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 2450f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 24515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2452f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 24536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 24546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 24556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2456f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 24575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 24585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 24595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2460694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 24613a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2462486590963e2207d68eebd6944fec70d50d41116aChet Haase 2463486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2464694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2465694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2466486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2467325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 246803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 246903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2470486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 247103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 247203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 247303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 247403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 247503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 247603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 247703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 247803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 247903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 248003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 248103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 248203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 248303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 248403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 248503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 248603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 248703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 248803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 248903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 24909777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 249103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 249203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 249303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 24949777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 24959777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 24969777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 24979777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 249803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 24999777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 25009777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 25019777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#else 25029777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = false; 25039777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 25049777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 25059777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 25069777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 25079777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 25089777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 25099777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 25109777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 25119777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 25129777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 25139777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2514486590963e2207d68eebd6944fec70d50d41116aChet Haase 2515486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 2516325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2517325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 2518486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2519486590963e2207d68eebd6944fec70d50d41116aChet Haase if (mSnapshot->isIgnored()) return DrawGlInfo::kStatusDone; 2520dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2521a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25227fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 252333f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2524fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 2525486590963e2207d68eebd6944fec70d50d41116aChet Haase if (!texture) return DrawGlInfo::kStatusDone; 252622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 25277fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 25288b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 25298b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 25308b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 253101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 2532486590963e2207d68eebd6944fec70d50d41116aChet Haase 2533486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 25347fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 25357fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2536486590963e2207d68eebd6944fec70d50d41116aChet Haasestatus_t OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2537ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 2538486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDone; 25396c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 25406c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25412bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 25422bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy OpenGLRenderer* renderer = layer->renderer; 25432bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy Rect& dirty = layer->dirtyRect; 25442bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 25452bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy interrupt(); 25462bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 25472bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 25481271e2cc80b01d577e9db339459ef0222bb9320dChet Haase renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 25492bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->finish(); 25502bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy resume(); 25512bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 25522bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy dirty.setEmpty(); 25532bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->deferredUpdateScheduled = false; 25542bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->renderer = NULL; 25552bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->displayList = NULL; 25562bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 25572bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 2558a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 25596c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25606c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 25616c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 25626c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 25636c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 25656c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2566f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2567211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2568c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 256940667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2570c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 25718168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2572c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2573c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2574c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2575c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 25768168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2577c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 25789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2579c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2580c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2581c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 25829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2583211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 25849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 25859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 25869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2587d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 25889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 25899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), true); 25909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2591d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 25929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 25939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 25949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2595c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2596c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2597c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2598c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2599c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2600c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 26013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 26023a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 26033a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 26043a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2605c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2606f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2607f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2608ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2609ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2610f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 2611486590963e2207d68eebd6944fec70d50d41116aChet Haase 2612486590963e2207d68eebd6944fec70d50d41116aChet Haase return DrawGlInfo::kStatusDrew; 26136c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 26146c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 26156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2616d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2617d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2618d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2619d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 262006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 262106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 262206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 262306f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 262406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 262506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2626fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 262706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 26287fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 26297fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2630d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2631db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2632db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2633db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2634db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2635db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2636db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2637db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2638db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2639db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2640db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2641db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2642db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 26431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 26441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 26451e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 26471e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 26481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 26491e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26501e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 26511e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 26521e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 26531e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 26541e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 26551e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 26561e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 26571e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 26581e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 26595ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 26605ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 26615ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26625ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 26635ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 26645ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26655ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26665ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 26675ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 26685ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 26695ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 26705ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26715ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26725ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2673dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 26745ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26755ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 26765ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26775ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 26785ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 26795ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26805ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 26815ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26825ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26835ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 26846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 26856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 26866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 268701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 268801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 268901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 269001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 269101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 269201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 269301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 269401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 269501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 269601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 269701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 269801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 269901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 270001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 270101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 270201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 270301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 270401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 270501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 270601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 270701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 270801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 270901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 271001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 271101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 271201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 271301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 271401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 271501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2716f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 27170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 27180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 27190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 27200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 27220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 27230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 27240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 27250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2726726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 27270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 27280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 27290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2730726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 27310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 2734726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy switch (paintCopy.getTextAlign()) { 27350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 27360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 27370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 27380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 27390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 27400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 27410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 27420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 27430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2745211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2746726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2747f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 27480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2749e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 27500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2751e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2752f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2753f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2754f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2755f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2756f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2757e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2758e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 27590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 27610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2762e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2763e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2764e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2765e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 27660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 27680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 27690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2770e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2771e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2772e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2773e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 27740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2775e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2776726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2777e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2778726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 27790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 27820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2783026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 27841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2785d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 278606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2787d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2788d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2789d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 279070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 279115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 279270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 279370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 279470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 279570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 279670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 279770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 279870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 279970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 280070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 280170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2802c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2803c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2804c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2805c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 280682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 28078164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 280882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 280982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 281082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 281182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2812d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 28138164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2814211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 28156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 28166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 28176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2818d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 28196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 28206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 28216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 28226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2823d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 28246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 28256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 28266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 28276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 282885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 282985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2830bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2831a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2832a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 283303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2834f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2835f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2836f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2837a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 28386820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 28395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 28408694230ff25fa0a60e480d424843e56b718f0516Romain Guy 284170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 284270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 284370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 284470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 284570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 284670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 284770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 284870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2849db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 28505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 285170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 285203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 285370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2854db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 285586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 285670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 285770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 285870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2859db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 28606820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 286170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 286270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 286382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 286482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2865a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2866f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 286782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 2868c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 286982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 287082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 287182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 287282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 287382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 287482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 2875211370fd943cf26905001b38b8b1791851b26adcRomain Guy if CC_UNLIKELY((mode > SkXfermode::kScreen_Mode)) { 2876211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 2877a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2878f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2879a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 288082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 288182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 288282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 288382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 288482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 288582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 288682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 288782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 2888a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 288982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 289082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 289182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 289282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 289382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 289482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 289582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 289682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 289782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 289882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 289982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 290082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 290182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 290282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2903fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 290482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 290582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2906fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2907bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2908bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2909889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2910d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2911fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2912d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2913fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 29146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2915260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 29166926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2917260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2918260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2919026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2920ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 292182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 292282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 292382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 292482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 29258ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 29268ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 29275c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 29288ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 29292ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy *mode = getXfermode(paint->getXfermode()); 29308ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 29318ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 29328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 29338ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 29348ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 29358ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 29368ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 29378ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 29388ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 29398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 29408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 29418ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2942db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 2943026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2944026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2945a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2946d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger SkXfermode::Mode resultMode; 2947d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger if (!SkXfermode::AsMode(mode, &resultMode)) { 2948d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger resultMode = SkXfermode::kSrcOver_Mode; 2949a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2950d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger return resultMode; 2951a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2952a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 29539d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2954e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2955