OpenGLRenderer.cpp revision 211370fd943cf26905001b38b8b1791851b26adc
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> 24694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 255cbbce535744b89df5ecea95de21ee3733298260Romain Guy 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 27e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 340fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 35a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 36e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 37e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 389d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 399d5316e3f56d138504565ff311145ac01621dff4Romain Guy 409d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy 44759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 45759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 46759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 47dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy// TODO: This should be set in properties 48dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy#define ALPHA_THRESHOLD (0x7f / PANEL_BIT_DEPTH) 49dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 50d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy#define FILTER(paint) (paint && paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 51d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 529d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy 56889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 65026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 66026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 682ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 692ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 83026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 84e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 88f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 104f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 105f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 106f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 110fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 112db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 1145ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 115026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 116ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 118ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 119e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 120e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12229d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12329d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 124e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 126f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 12713631f3da855f200a151e7837ed9f6b079622b58Romain Guy// Debug 12813631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 12913631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13013631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 13113631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.startMark(0, name); 13213631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13313631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13413631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::endMark() const { 13513631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.endMark(); 13613631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13713631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13813631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 139f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 140f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 141f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 142530041d3191ce817832a0108514617768e43cda6Romain Guyuint32_t OpenGLRenderer::getStencilSize() { 143530041d3191ce817832a0108514617768e43cda6Romain Guy return STENCIL_BUFFER_SIZE; 144530041d3191ce817832a0108514617768e43cda6Romain Guy} 145530041d3191ce817832a0108514617768e43cda6Romain Guy 14685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 147260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 148bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 149bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 150bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 151eb99356a0548684a501766e6a524529ab93304c8Romain Guy 152eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 153eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 154746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1553e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glDisable(GL_DITHER); 15639d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy glEnable(GL_SCISSOR_TEST); 1573e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 15815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1593e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glEnableVertexAttribArray(Program::kBindingPosition); 160e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 161e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1626b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guyvoid OpenGLRenderer::prepare(bool opaque) { 1637d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1647d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1657d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1667d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guyvoid OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 167fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 168fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1698aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1708aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17184962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1728fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 173f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 17439d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy glViewport(0, 0, mWidth, mHeight); 1758f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 17639d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy 1777d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 17839d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy mDirtyClip = false; 1797d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1806b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 1816b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 1826b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 183bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 184bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 185b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 186b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 187b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 188b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 1895baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error from OpenGLRenderer: 0x%x", status); 190a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 191a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 1923762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE(" OpenGLRenderer is out of memory!"); 193a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 194a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 195b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 196b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 197c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 198c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 199e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 200e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 201e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 202e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 203c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 204b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 205b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2066c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 207da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 208da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 209da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 210da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 211da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 212da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 21350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 21415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 215f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 21615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 217da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 218da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2196c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 22008837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 22108837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase 22208837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 2233e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2243e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 225da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 22682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 227746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 228da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 229a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 23008837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 23150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 23250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 23350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 23450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 23550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 236da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 237da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 238cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guybool OpenGLRenderer::callDrawGLFunction(Functor *functor, Rect& dirty) { 239daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 240f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 241f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 242f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 243d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 24480911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 24580911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 24680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 247d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 248d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 249d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 250d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 251d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 252d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 253d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 254d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 25508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 25608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 25708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 25808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 25908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 26008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 26108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 26280911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 26308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy status_t result = (*functor)(0, &info); 264cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 265cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy if (result != 0) { 26608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 267cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 268cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 269cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 270daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 271cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return result != 0; 272daf98e941e140e8739458126640183b9f296a2abChet Haase} 273daf98e941e140e8739458126640183b9f296a2abChet Haase 274f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 275f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 276f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 277f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 278bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 2797ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 280bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 281bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 282bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 2838aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 284bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 285bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 286bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 2872542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 2882542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2897ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 290bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 291bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 292bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 2938fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 294bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2958fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 2962542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2977ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 298bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 299bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3008aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 3018aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 3028fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 303bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 304bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 305bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 3067ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 307bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 308eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 309bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 310bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 3117ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 312bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 313eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 314eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 315eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 316eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 317eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 318eb99356a0548684a501766e6a524529ab93304c8Romain Guy 3198b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 3208b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 3218b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 3222542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 323746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 3248fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 3252542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 3265ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 3275ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 3285ec9924d24495822b589f1a17996655d66273b30Romain Guy } 3295ec9924d24495822b589f1a17996655d66273b30Romain Guy 3302542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 331d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 3325cbbce535744b89df5ecea95de21ee3733298260Romain Guy 333f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 334bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 335bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 336bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 337bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 3385c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 339eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 340eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 341d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 342af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 343e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 344e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 345e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 346e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 347e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 348e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 349e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 350e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 351e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 352e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 353e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 354e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 355e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 356a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 357a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 358e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 359d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 360d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 361dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 362dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 363d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 364d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 365bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 366bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 367bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 368bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 3695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 3708aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 3718b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 3728aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 3738aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 3748aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 3758b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 376d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 377bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 3791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 3801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 3811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 3821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 3831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 3841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 3851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 3871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 3881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 3891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 3901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 3911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 3921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 3931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 3956b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 3966b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 3976b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 3986b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 3991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 4011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 4021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 40387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 4041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 4051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 4061c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4071c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 4081c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 4091c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 4101c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 4111c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 4121c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 4141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 4151c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 4161c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 4171c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 4181c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 4191c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 4211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 4221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 42387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 42487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 42587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 42687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 42787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 4281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 429d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 430eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 431eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 432eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 433fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 434dda570201ac851dd85af3861f7e575721d3345daRomain Guy 435eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 436eb99356a0548684a501766e6a524529ab93304c8Romain Guy 437f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 4388aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 4397b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 440eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 441ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 442eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 443ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 444ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 445ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 446ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 447ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 448ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 449ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 450ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 451ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 452ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 453ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 454ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 455ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 456eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 457bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 458746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 459746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 46032963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 461dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 462e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 463dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 464dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 465dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 466af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 467b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 468b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 469dda570201ac851dd85af3861f7e575721d3345daRomain Guy 470a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 4718550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 472f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 473f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 474bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 475bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 4778aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 4789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 4799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 4809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 481dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4828fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 4838fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 484dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 4851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 486eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 4875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 488eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 489eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 4909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 491514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 4929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 4939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.left, snapshot->height - bounds.bottom, 4959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 4969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 497514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 498514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 499514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 500514fb18827186591d66973c2362c859b64b63556Romain Guy } 5017b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 50254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 50354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 504ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 505eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 506f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 507d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 508bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 509bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 5115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 5129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 5135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 5155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 5165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 5175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 5205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 5215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 5225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 5245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 5265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 5275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 5295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 5315ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 5325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 5349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy snapshot->fbo = layer->getFbo(); 5355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 5365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 5375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 5385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 5395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 5405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 5415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 5439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 5449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 5455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 5479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 5499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 5505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 5539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 5545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 5575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 5583762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Framebuffer incomplete (GL error code 0x%x)", status); 5595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 5619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 5629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 5635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 5655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 5675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 5718f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 5725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 5735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 5745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 5765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 5785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 5795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 5805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 5825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 5861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 5871d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 5881d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 5893762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 5901d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 5911d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5921d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 594eb99356a0548684a501766e6a524529ab93304c8Romain Guy 595eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 596eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 597eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 598eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 599eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6001d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 6011d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 6021d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 604f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 6059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 6079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 608f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 609f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 61003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 6118b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 612a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 6135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 6155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 616eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 6189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 6199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 620171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 6229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 623171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 624171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 6269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 6279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 628eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 6291d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 630eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6319c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 6329c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 6339c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 6349c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 6359c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 636eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 637eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 638eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 639eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 640eb99356a0548684a501766e6a524529ab93304c8Romain Guy 641eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 642eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 643eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 644eb99356a0548684a501766e6a524529ab93304c8Romain Guy 645746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 646746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 647eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 6488550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 6491d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 6509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6511d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 6521d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6531d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 6541d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 655aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 6569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 657aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 658302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 659302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 660302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 661302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 662302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 663302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 664aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 6659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 6668f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 6678f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 6688f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 6698f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 6708f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 671aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 672aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 6739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 674aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 675aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 676aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 6779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 6789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 6798f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 6809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 6818f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 682ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 683ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 684ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 6859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 6869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 6879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 688d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 6899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 6909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 691d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 6929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 6939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 6949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 695aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 696aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 697aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 698aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 699aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 700302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 701302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 702302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 703302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 704aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 705aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 7065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 7079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 708aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 709aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 710aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 7115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 7139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 714b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 715ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 716b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 717b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 718b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 7199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 7209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 7219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 725d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 7269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 727d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 7289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 7309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 7319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 7329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 7339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 7349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 7355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 736aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 737aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 738aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 739aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 740aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 741aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 7425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 7455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 7465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 7479fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 7489fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 74940667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 7509fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 7515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 7525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 7535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7558a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 7568a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 757211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 7585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 7595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 7605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 7629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 7639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 764f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 7655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 7675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 7685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7697230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 7707230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 7717230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 772ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 7739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 7747230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 7757230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 7767230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 777ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 7789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 7809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 783d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 786d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 7889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 78915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 7905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 7925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 7935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 795f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 7965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 797f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 7985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 8005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 8015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 8025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 8035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 8045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 8065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 8085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 8105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 8115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 8155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8187230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 8195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 8225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 8275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 8285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 8323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 8343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 8353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 8373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 8383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 8393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 8403a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8413a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 8423a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 8433a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8443a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 8453a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 8463a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 8473a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 8483a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 8493a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8503a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 8513a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 8523a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 8533a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 8543a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 8553a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 8563a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 8585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 8595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 860f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 8615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 8625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 863f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 8645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 8695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 8705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 871f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 873f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 8741bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 8751bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 8761bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 8771bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 8781bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 8791bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 8801bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 8811bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 8821bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 8831bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 8841bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 8855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 89054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 89154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 89254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 89354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 89454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 89554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 89654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 89754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 89854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 89954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 90054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 90154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 90254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDisable(GL_SCISSOR_TEST); 90354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 90454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 90554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 90654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 90754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 90854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 90954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 91054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 91154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 91254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 91354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 91454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 91554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 91654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 91754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 91854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 91954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 92054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 92154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 92254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 92354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 92454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 92554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 92639d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 92754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 92854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 92954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 93054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glEnable(GL_SCISSOR_TEST); 93154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 93254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 93354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 93454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 93554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 93654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 93754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 93854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 93954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 940bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 941f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 942f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 943f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 944f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 9458aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 946f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 947f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 948f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 9498aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 950f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 951f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 952f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 9538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 954f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 955f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 956807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 957807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 958807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 959807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 960f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 961e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 962e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 963e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 964e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 965e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 966f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 967f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 968f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 9698aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 970f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 971f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 972f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 973e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 974e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 975e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 976e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 977f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 978f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 979f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 980f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 981f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 982f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 983bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 984e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 985e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 9868f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 9878f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 9888f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy clip.getWidth(), clip.getHeight()); 9898f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 990746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 9919d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 9929d5316e3f56d138504565ff311145ac01621dff4Romain Guy 9939d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 994079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 995bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 996bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 997c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 998af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 999dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1000dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1001dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 10021d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 10038aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1004d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1005d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1006d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1007d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1008d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1009d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 1010c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1011c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1012079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1013079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 10147ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1015746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 10167ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 10178aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1018e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1019e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1020f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 102170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 102270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 102370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 102454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 102554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 102670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 102770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 102870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 102970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 103070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 103170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 103270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 103370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 103470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 103570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 103670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 103770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 103870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 103970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 104070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 104170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1042aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1043aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1044aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1045aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 104615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 104715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 104815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 104915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 10505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 105199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 10525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 10535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1054ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1055ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1056ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1057ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1058ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 105970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 10608d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 10618d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 10628d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 10638d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 10648d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 10656cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 10666cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 106770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1068fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1069fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1070fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 107170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 107270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 107370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 107470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 107586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 107686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 10776cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 10786cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 107986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 108086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 108186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 108286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 108386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 108486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 108586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 108686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 108770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 108870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 108970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 109070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 109170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 109270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 109370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 109470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 109570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 109686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 109786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 109886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 109986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 110086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 110186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 110286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 110386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 110486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 110570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 110670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 110770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 110870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 110970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 111070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 111170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 111270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 111370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 111470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 111570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 111670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1117f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1118f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1119f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1120f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 112154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1122f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1123f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1124f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 112570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1126f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1127f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1128f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 112970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 113070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 113170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 113270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 113370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1134f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1135f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1136f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 113770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 113870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 113970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 114070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 114170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 114270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 114370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 114470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 114570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 114670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 114770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 114870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 114970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 115070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 115170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 115270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 115370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 115470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 115570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 115670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 115770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 115870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 115970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 116070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 11618a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 11628a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 11638d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11648d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 116570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 116670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 116770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 116870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 116970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 117070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 117170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 117270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 117386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 117486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 117586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 117686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 117786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 117886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 117986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 118086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 118186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 118286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 118370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 118470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1185ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1186ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1187ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1188ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1189ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 119070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 11915536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 119270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 119370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 119470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 119686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 11975536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 119886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 11995536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 12005536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 12015536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 120270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 120370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 120570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 120670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 120770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 120870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 120970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12118d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 12128d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 12138d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 12148d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 12158d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12168d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 121770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 121870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 121970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 122070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 122170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 122370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1224f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1225f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 122615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 122770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 122970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 123070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 12312d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 123215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 123370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1235aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1236aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 12372d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 123815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1239aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1240aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 12418f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 12428f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 12438f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 12448f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 12458f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1246aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1247aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1248aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1249aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 125070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1251f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 125270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1253f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 125470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1255f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 125670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1257d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1258f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 125915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 126015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 126115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 126215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 126315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 126415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 126515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 126615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 126715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 126815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 126915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 127015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 12718d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 127270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 127370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1275f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1276f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1277f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 127815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 12795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 12805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 12815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 12825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 128399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 128499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 128599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 128699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 128799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 128899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 128999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 129099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 12915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 129299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 129399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase GLvoid* lengthCoords, float boundaryWidthProportion) { 1294f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1295f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1296f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1297f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 129815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1299d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 130099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 130199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 130299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1303d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 130499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 130599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 130699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1307d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 130999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 1310d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 131199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 13125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 131399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 13145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 131670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 131770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 131970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1320f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1321f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1322f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 13237b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guybool OpenGLRenderer::drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, 13247b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy Rect& dirty, uint32_t level) { 13257b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (quickReject(0.0f, 0.0f, width, height)) { 13267b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy return false; 13277b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy } 13287b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 13290fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 13300fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 133104c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 1332cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return displayList->replay(*this, dirty, level); 13330fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 13347b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 1335daf98e941e140e8739458126640183b9f296a2abChet Haase return false; 13360fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 13370fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1338ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1339ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1340ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1341ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1342ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1343ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1344a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1345a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1346a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1347a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1348a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1349a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1350a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1351a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1352e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1353a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1354a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1355a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1356a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1357a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1358e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1359d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1360d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1361a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1362a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1363a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1364a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 13655b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 13665b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 13675b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1368a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1369a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1370a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1371a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1372a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1373e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1374a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1375d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1376d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1377e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1378a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1379a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1380a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1381a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1382a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1383a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1384a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1385a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1386a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1387a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 13885c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 13896926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 13906926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 13916926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 13926926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 13936926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13946926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13956926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1396a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 13978164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13989cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 139922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 140022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1401211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1402a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1403a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1404a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1405a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 14068ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 14078ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 14085c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1409f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1410f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1411f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1412f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 14136926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 14146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14166926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1417a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14188164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14199cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 142022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 142122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 14225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 14235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 14245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 14255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 14265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 14275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1428f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1429f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 14305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 14315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 14325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 14335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 14345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 14355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1437a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 14405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1441e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1442d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1443d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 14445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 14465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 14475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 14485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 14505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1451b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1452b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1453b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1454b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1455b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1456b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1457211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1458b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1459211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 1460b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1461b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1462a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1463a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 14645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 14655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 14665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 14675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 14685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 14705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 14715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 14725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 14735a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14745a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 14755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 14765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 14775a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 14785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 14795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 14805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 14815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 14825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 14845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 14855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 14865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 14885a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 14895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1490b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1491b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1492b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1493b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1494b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1495b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1496b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1497b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1498b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1499b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 15005a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1503b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1504b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1505b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1506b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1507b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1508b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 15095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 15105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1511b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 15125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 15135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15148ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 15158ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 15168ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 15175c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 15186926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 15196926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 15206926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15216926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1522a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15238164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15249cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 152522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 15268ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 15278ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 15288ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1529c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 15306816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 15316816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 15326816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 15336816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1534c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 153503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 15368ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 15378ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 153803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 153903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 154003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 154103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1542d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1543d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1544211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 15456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 15466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 15476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1548b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1549631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1550631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1551d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1552b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1553b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1554d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 15556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 15566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 15576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 15586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 15596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1560d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 15616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 15626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 15636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 15646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 15658ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 15668ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1567ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1568ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 15694aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 15704bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 15715c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 15726926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 15736926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 15746926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15756926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1576a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15778164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15789cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 157922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1580d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1581d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1582f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1583f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1584f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1585f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1586f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 15872728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 15884bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1589f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1590211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 15916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1592a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 15935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 15948168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1595c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1596c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 15975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 15985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 15998ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1600211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1601c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1602c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1603c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 16046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1605c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1606c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 16076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 16095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1610a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 16115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1612211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 16136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 16146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 16156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 16166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 16176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 16186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 16196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 16206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 16216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 16226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 16236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 16246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 16256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1626054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1627f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1628f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 162999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1630858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1631858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1632858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1633858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1634858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1635858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1636181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1637858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1638858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 1639858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1640211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 1641858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1642858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1643858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1644858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1645858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1646858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1647858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1648858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1649858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1650858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1651858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1652858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1653858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1654858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDraw(); 165515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 1656858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine(); 1657858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColor(color); 1658858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilter(); 1659858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShader(); 1660858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawBlending(true, mode); 1661858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawProgram(); 1662858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawModelViewIdentity(true); 1663858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorUniforms(); 1664858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilterUniforms(); 1665858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShaderIdentityUniforms(); 1666858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1667858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex rects[4]; 1668858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex* aaVertices = &rects[0]; 1669858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 1670858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 1671858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1672858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1673858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1674858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1675858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1676858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1677858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1678858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1679858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1680858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1681858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float width = right - left; 1682858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float height = bottom - top; 1683858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1684858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 1685858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 1686858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 1687858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 1688858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 1689858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 1690858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryHeightProportion)); 1691858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1692858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!quickReject(left, top, right, bottom)) { 1693858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1694858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1695858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1696858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1697858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1698858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 1699858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1700858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1701858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1702858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 170399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 170499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 170599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 170699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 170799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 170899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 170999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 171099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 171199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 171299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 171399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 171499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 171599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 171699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 171799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 171899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 171999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 17208a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 17218a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (mSnapshot->isIgnored()) return; 17228a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17238a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 172499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 172599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 172699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 17278a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 17288a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 17298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 173099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 173199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 173299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 17338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 17348a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 17358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 17365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 17375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1738c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 173999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 174099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 174199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 174299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 174399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 174499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 174599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 1746211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 174799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 174899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 174999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 175099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 175199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 175299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 175399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 1754211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 1755211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 175699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 175799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 175899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 175999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 176099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 176199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 17625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17638a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17648a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 17658a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 176615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 17678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 17688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 17698a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 17708a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 17718a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 17728a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 1773211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 17748a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 17758a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 17768a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 17778a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 17788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 17798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17808a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 17818a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 178299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 178399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 17845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 178599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 17865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 17885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 178999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 179099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 1791211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 17925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 17935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 179499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 179599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 179699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 17975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 17985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 179999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 180099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 180199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 180299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 18035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 180599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 180699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1807740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 180899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 180999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 181099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 181199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 18125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 18135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 18145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 18155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 181699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 181799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 181899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 18195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 18205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 182199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 18228a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 18238a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 18248a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 18258a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 18268a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 18278a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 18288a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 18298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 18308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 18315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 183299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 183399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 183499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 183599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 183699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 183799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 183899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 183999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 184099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 184199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 184299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 184399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 184499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 184599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 18465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 18485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 18495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 18505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 185199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 185299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 185399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 185499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 185599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 185699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 185799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 185899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 185999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 186099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 186199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 186299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 186399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 186499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 186599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 186699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 186799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 186899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 18695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 18705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 18715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 18725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 18735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 18745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 187599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 18765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 18775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 18785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 18795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 18805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 18815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 18825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 18835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 18845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 18855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 18865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 18875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 18885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 18895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 18905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 18915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 18935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 18945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 18955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 18965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 18975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 18985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 189999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 190099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 190199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 190299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 190399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 190499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 190599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 190699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 190799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 190899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 190999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 191099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 191199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 191299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 191399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 191499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 191599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 191699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 191799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 191899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 19195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 19205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 19215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 19225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 19235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 192499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 192599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 192699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 19275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 19285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 192999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 193099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 193199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 193299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 19335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 19345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 19355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 193699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 193799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 193899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 19395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 19425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 19435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1946ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 1947ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 1948ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1949ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 1950ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 1951ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 19525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 1953ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 19548a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 1955ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 19568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19578a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 19588a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 19598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 1961ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 1962ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 1963ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1964ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1965ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 1966ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 1967ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1968ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 1969ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 1970ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1971ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 197215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 19738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 1974ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 1975ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 1976ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 1977ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 1978ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 19798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 1980ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 1981ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 1982ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 1983ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 1984ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 1985ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1986ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 1987ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 1988ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 19898a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 19908a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 19918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 19928a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 19938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1994ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 1995ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1996ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 1997ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1998ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 199985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2000e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2001af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2002e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2003ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2004ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 200570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 20063d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2007c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 20089d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2009c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 201001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 201101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 201201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 201301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 201401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 201501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 201601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 201701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 201801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2019c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2020c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 202101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 202201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2023a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2024c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2025c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2026c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2027c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 202801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2029c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2030c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2031c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2032a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 203301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2034c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 2035c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 203601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2037c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 2038c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 203901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2040a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2041c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2042c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2043c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2044c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 20458b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 20468b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 20478b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 20488b2f5267f16c295f12faab810527cd6311997e34Romain Guy 20498b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 20508b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 20518b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 20528b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 20538b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2054a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20558b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 20568b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 20578b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 20588b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 20598b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2060c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2061c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2062c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2063c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2064a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2065c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2066c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 206701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 206801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 20695c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2070c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2071c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 2072c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 2073c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2074c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 20756926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 20766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 20776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20786926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2079026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2080746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2081a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2082a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2083a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2084a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2085a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2086a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2087a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2088026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2089026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2090026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2091181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2092858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2093858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2094858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2095858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2096c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 20979d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2098eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guyvoid OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2099eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2100671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2101671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2102eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy return; 2103eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2104eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2105671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2106671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2107671d6cf460531825a321edb200523d0faa7792c9Romain Guy return; 2108671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2109671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2110671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2111671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2112671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2113671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2114671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2115671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2116671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2117671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2118671d6cf460531825a321edb200523d0faa7792c9Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2119671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2120671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2121671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2122671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2123671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2124671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2125671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2126671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2127671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2128671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2129671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2130671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2131671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2132671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2133671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 2134671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2135671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2136671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2137671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2138671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2139671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2140671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2141671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2142671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2143671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2144671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2145671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 2146671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2147671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2148671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2149671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2150671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2151211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2152671d6cf460531825a321edb200523d0faa7792c9Romain Guy#else 2153211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 2154671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2155671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2156671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2157671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2158671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2159671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2160671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2161671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2162671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2163671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2164671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2165671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2166671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2167eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2168eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2169e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2170cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy float x, float y, SkPaint* paint, float length) { 2171671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2172671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2173e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 2174e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2175e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2176e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2177e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2178cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy if (length < 0.0f) length = paint->measureText(text, bytesCount); 2179e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2180e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2181e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2182cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy if (length < 0.0f) length = paint->measureText(text, bytesCount); 2183e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2184e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2185e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2186e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2187e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2188e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2189cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2190cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 21918f9a9f61ab793d9387a5942b307e74324704893bRomain Guy // If no length was specified, just perform the hit test on the Y axis 2192cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy if (quickReject(x, y + metrics.fTop, 2193cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy x + (length >= 0.0f ? length : INT_MAX / 2), y + metrics.fBottom)) { 2194cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy return; 2195cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2196cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 21973a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 21983a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 21996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2200211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 22016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 22026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 22036620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 22046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2205ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 22065baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("OpenGLRenderer drawText() with FontID=%d", SkTypeface::UniqueID(paint->getTypeface())); 2207ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2208eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2209eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2210b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2211fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2212e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 221386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 221486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 221586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 22169d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2217211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 22182d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mCaches.activeTexture(0); 22192d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy 2220b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 222167ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get( 222267ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint, text, bytesCount, count, mShadowRadius); 22231e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 22240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2225740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 2226740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 222786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 222886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 2229740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 2230740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 2231740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 2232740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 223386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 223486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 223586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 2236740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2237740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 2238740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 223986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 224086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2241740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 224286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 224386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 2244740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 2245740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 224686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 22470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 22480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 22491e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 22501e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 22516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 22526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 22536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 22546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 22556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 22565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2257a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 225886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 225986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 226086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 226186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 226286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 226386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 226486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 226586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 226686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 226786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 226886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 226986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 227086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 227106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 22726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 22735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 22745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 22755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2276211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 22775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 2278211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 22795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 2280894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 22816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 2282f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 22835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2284f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 22856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 22866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 22876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2288f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 22895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 22905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 22915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2292694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 22933a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2294694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2295694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 22967fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2297af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2298dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2299a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 23007fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2301fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 23029cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 230322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 23047fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 23058b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 23068b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 23078b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 230801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 23097fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 23107fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2311ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2312ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 23136c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 23146c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 23156c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2316a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 23176c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 23186c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 23196c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 23206c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 23216c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 23229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 23236c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2324f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2325211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2326c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 232740667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2328c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 23298168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2330c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2331c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2332c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2333c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 23348168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2335c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 23369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2337c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2338c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2339c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 23409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2341211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 23429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 23439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 23449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2345d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 23469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 23479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), true); 23489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2349d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 23509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 23519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 23529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2353c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2354c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2355c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2356c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2357c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2358c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 23593a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 23603a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 23613a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 23623a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2363c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2364f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2365f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2366ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2367ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2368f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 23696c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 23706c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 23716926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2372d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2373d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2374d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2375d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 237606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 237706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 237806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 237906f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 238006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 238106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2382fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 238306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 23847fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 23857fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2386d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2387db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2388db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2389db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2390db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2391db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2392db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2393db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2394db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2395db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2396db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2397db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2398db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 23991e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 24001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 24011e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 24021e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 24031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 24041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 24051e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 24061e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 24071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 24081e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 24091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 24101e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 24111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 24121e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 24131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 24141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 24155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 24165ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 24175ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 24185ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 24195ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 24205ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 24215ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 24225ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 24235ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 24245ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 24255ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 24265ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 24275ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 24285ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 24295ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy if (!mHasDrawFilter || !paint) return paint; 24305ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 24315ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 24325ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 24335ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 24345ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 24355ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 24365ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 24375ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 24385ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 24395ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 24406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 24416926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 24426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 244301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 244401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 244501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 244601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 244701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 244801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 244901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 245001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 245101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 245201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 245301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 245401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 245501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 245601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 245701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 245801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 245901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 246001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 246101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 246201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 246301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 246401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 246501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 246601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 246701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 246801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 246901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 247001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 247101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2472f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 24730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 24740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 24750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 24760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 24770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 24780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 24790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 24800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 24810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2482726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 24830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 24840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 24850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2486726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 24870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 24880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 24890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 2490726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy switch (paintCopy.getTextAlign()) { 24910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 24920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 24930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 24940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 24950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 24960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 24970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 24980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 24990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 25000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2501211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2502726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2503f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 25040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2505e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 25060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2507e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2508f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2509f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2510f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2511f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2512f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2513e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2514e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 25150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 25160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 25170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2518e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2519e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2520e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2521e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 25220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 25230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 25240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 25250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2526e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2527e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2528e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2529e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 25300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2531e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2532726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2533e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2534726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 25350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 25360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 25370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 25380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2539026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 25401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2541d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 254206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2543d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2544d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2545d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 254670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 254715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 254870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 254970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 255070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 255170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 255270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 255370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 255470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 255570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 255670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 255770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2558c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2559c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2560c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2561c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 256282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 25638164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 256482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 256582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 256682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 256782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2568d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 25698164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2570211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 25716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 25726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 25736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2574d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 25756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 25766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 25776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 25786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2579d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 25806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 25816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 25826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 25836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 258485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 258585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2586bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2587a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2588a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 258903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2590f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2591f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2592f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2593a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 25946820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 25955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 25968694230ff25fa0a60e480d424843e56b718f0516Romain Guy 259770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 259870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 259970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 260070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 260170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 260270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 260370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 260470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2605db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 26065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 260770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 260803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 260970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2610db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 261186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 261270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 261370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 261470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2615db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 26166820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 261770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 261870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 261982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 262082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2621a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2622f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 262382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 262482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 262582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 262682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 262782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 262882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 262982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 2630211370fd943cf26905001b38b8b1791851b26adcRomain Guy if CC_UNLIKELY((mode > SkXfermode::kScreen_Mode)) { 2631211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 2632a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2633f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2634a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 263582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 263682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 263782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 263882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 263982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 264082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 264182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 264282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 2643a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 264482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 264582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 264682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 264782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 264882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 264982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 265082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 265182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 265282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 265382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 265482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 265582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 265682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 265782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2658fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 265982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 266082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2661fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2662bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2663bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2664889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2665d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2666fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2667d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2668fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 26696926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2670260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 26716926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2672260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2673260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2674026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2675ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 267682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 267782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 267882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 267982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 26808ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 26818ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 26825c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 26838ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 26842ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy *mode = getXfermode(paint->getXfermode()); 26858ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 26868ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 26878ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 26888ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 26898ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 26908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 26918ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 26928ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 26938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 26948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 26958ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 26968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2697026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2698026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2699a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2700d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger SkXfermode::Mode resultMode; 2701d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger if (!SkXfermode::AsMode(mode, &resultMode)) { 2702d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger resultMode = SkXfermode::kSrcOver_Mode; 2703a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2704d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger return resultMode; 2705a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2706a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 27079d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2708e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2709