OpenGLRenderer.cpp revision 8f3b8e32993d190a26c70c839a63d8ce4c3b16d9
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 2403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy#include <SkPathMeasure.h> 25694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy 275cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 28e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 36a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 37e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 38e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 399d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 409d5316e3f56d138504565ff311145ac01621dff4Romain Guy 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 449d5316e3f56d138504565ff311145ac01621dff4Romain Guy 45759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 46759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 47759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 48dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy// TODO: This should be set in properties 49dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy#define ALPHA_THRESHOLD (0x7f / PANEL_BIT_DEPTH) 50dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 51d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy#define FILTER(paint) (paint && paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 52d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 569d5316e3f56d138504565ff311145ac01621dff4Romain Guy 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 65889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 66026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 68026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 692ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 832ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 84026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 85e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 89f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1042ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 105f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 106f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 110f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 111fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 113db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 1155ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 116026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 117ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 118ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 119ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 120e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 121e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12329d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12429d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 126e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 127f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 12813631f3da855f200a151e7837ed9f6b079622b58Romain Guy// Debug 12913631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 13013631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13113631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::startMark(const char* name) const { 13213631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.startMark(0, name); 13313631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13413631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13513631f3da855f200a151e7837ed9f6b079622b58Romain Guyvoid OpenGLRenderer::endMark() const { 13613631f3da855f200a151e7837ed9f6b079622b58Romain Guy mCaches.endMark(); 13713631f3da855f200a151e7837ed9f6b079622b58Romain Guy} 13813631f3da855f200a151e7837ed9f6b079622b58Romain Guy 13913631f3da855f200a151e7837ed9f6b079622b58Romain Guy/////////////////////////////////////////////////////////////////////////////// 140f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 141f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 142f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 143530041d3191ce817832a0108514617768e43cda6Romain Guyuint32_t OpenGLRenderer::getStencilSize() { 144530041d3191ce817832a0108514617768e43cda6Romain Guy return STENCIL_BUFFER_SIZE; 145530041d3191ce817832a0108514617768e43cda6Romain Guy} 146530041d3191ce817832a0108514617768e43cda6Romain Guy 14785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 148260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 149bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 150bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 151bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 152eb99356a0548684a501766e6a524529ab93304c8Romain Guy 153eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 154eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 155746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1563e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glDisable(GL_DITHER); 15739d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy glEnable(GL_SCISSOR_TEST); 1583e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 15915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1603e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glEnableVertexAttribArray(Program::kBindingPosition); 161e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 162e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1636b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guyvoid OpenGLRenderer::prepare(bool opaque) { 1647d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1657d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1667d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1677d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guyvoid OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 168fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 1698f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy mFunctors.clear(); 170fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1718aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1728aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 17384962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1748fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 175f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 17639d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy glViewport(0, 0, mWidth, mHeight); 1778f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 17839d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy 1797d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 18039d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy mDirtyClip = false; 1817d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1826b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 1836b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 1846b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 185bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 186bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 187b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 188b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 189b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 190b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 1915baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error from OpenGLRenderer: 0x%x", status); 192a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 193a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 1943762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE(" OpenGLRenderer is out of memory!"); 195a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 196a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 197b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 198b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 199c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 200c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 201e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 202e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 203e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 204e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 205c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 206b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 207b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 2086c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 209da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 210da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 211da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 212da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 213da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 214da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 21550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 21615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 217f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 21815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 219da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 220da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2216c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 22208837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 22308837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase 22408837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 2253e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2263e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 227da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 22882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 229746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 230da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 231a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 23208837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 23350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 23450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 23550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 23650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 23750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 238da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 239da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2408f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 2418f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy status_t result = DrawGlInfo::kStatusDone; 2428f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 2438f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy Vector<Functor*> functors(mFunctors); 2448f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy mFunctors.clear(); 2458f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 2468f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy DrawGlInfo info; 2478f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy info.clipLeft = 0; 2488f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy info.clipTop = 0; 2498f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy info.clipRight = 0; 2508f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy info.clipBottom = 0; 2518f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy info.isLayer = false; 2528f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy memset(info.transform, 0, sizeof(float) * 16); 2538f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 2548f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy size_t count = functors.size(); 2558f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy for (size_t i = 0; i < count; i++) { 2568f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy Functor* f = functors.itemAt(i); 2578f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 2588f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 2598f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 2608f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 2618f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy dirty.unionWith(localDirty); 2628f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 2638f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result == DrawGlInfo::kStatusInvoke) { 2648f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy mFunctors.push(f); 2658f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 2668f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 2678f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 2688f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 2698f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 2708f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 2718f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 2728f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 273daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 274f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 275f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 276f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 277d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 27880911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 27980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 28080911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 281d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 282d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 283d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 284d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 285d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 286d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 287d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 288d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 28908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 29008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 29108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 29208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 29308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 29408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 29508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 29680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 2978f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy status_t result = (*functor)(DrawGlInfo::kModeDraw, &info); 298cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 2998f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 30008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 301cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 3028f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 3038f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result == DrawGlInfo::kStatusInvoke) { 3048f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy mFunctors.push(functor); 3058f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 306cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 307cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 308daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 3096554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 310daf98e941e140e8739458126640183b9f296a2abChet Haase} 311daf98e941e140e8739458126640183b9f296a2abChet Haase 312f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 313f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 314f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 315f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 316bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 3177ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 318bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 319bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 320bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 3218aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 322bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 323bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 324bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 3252542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 3262542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3277ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 328bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 329bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 330bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 3318fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 332bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3338fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 3342542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3357ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 336bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 337bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3388aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 3398aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 3408fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 341bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 342bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 343bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 3447ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 345bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 346eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 347bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 348bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 3497ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 350bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 351eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 352eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 353eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 354eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 355eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 356eb99356a0548684a501766e6a524529ab93304c8Romain Guy 3578b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 3588b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 3598b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 3602542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 361746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 3628fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 3632542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 3645ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 3655ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 3665ec9924d24495822b589f1a17996655d66273b30Romain Guy } 3675ec9924d24495822b589f1a17996655d66273b30Romain Guy 3682542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 369d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 3705cbbce535744b89df5ecea95de21ee3733298260Romain Guy 371f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 372bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 373bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 374bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 375bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 3765c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 377eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 378eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 379d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 380af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 381e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 382e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 383e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 384e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 385e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 386e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 387e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 388e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 389e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 390e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 391e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 392e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 393e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 394a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 395a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 396e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 397d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 398d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 399dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 400dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 401d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 402d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 403bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 404bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 405bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 406bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 4075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 4088aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 4098b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 4108aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 4118aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 4128aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 4138b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 414d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 415bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4161c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 4171c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 4181c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 4191c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 4201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 4211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 4221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 4231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4241c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 4251c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 4261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 4271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 4281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 4291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 4301c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 4311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4321c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 4336b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 4346b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 4356b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 4366b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 4371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 4391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 4401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 44187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 4421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 4431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 4441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 4461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 4471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 4481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 4491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 4501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 4521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 4531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 4541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 4551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 4561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 4571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 4591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 4601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 46187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 46287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 46387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 46487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 46587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 4661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 467d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 468eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 469eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 470eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 471fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 472dda570201ac851dd85af3861f7e575721d3345daRomain Guy 473eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 474eb99356a0548684a501766e6a524529ab93304c8Romain Guy 475f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 4768aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 4777b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 478eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 479ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 480eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 481ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 482ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 483ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 484ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 485ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 486ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 487ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 488ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 489ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 490ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 491ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 492ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 493ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 494eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 495bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 496746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 497746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 49832963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 499dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 500e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 501dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 502dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 503dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 504af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 505b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 506b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 507dda570201ac851dd85af3861f7e575721d3345daRomain Guy 508a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 5098550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 510f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 511f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 512bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 513bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 5158aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 5169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 5179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 5189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 519dda570201ac851dd85af3861f7e575721d3345daRomain Guy 5208fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 5218fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 522dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 5231d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 524eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 5255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 526eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 527eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 5289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 529514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 5309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 5329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.left, snapshot->height - bounds.bottom, 5339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 5349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 535514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 536514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 537514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 538514fb18827186591d66973c2362c859b64b63556Romain Guy } 5397b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 54054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 54154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 542ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 543eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 544f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 545d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 546bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 547bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 5495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 5509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 5515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 5535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 5545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 5585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 5595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 5605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 5625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 5645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 5655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 5675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 5695ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 5705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 5729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy snapshot->fbo = layer->getFbo(); 5735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 5745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 5755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 5765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 5775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 5785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 5795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 5819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 5829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 5835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 5859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 5879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 5885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 5919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 5925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 5945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 5955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 5963762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Framebuffer incomplete (GL error code 0x%x)", status); 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 5999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 6035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 6098f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 6115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 6125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 6145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 6185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 6241c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 6251d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 6261d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 6273762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 6281d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 6291d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6301d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 632eb99356a0548684a501766e6a524529ab93304c8Romain Guy 633eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 634eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 635eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 636eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 637eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6381d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 6391d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 6401d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 642f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 6439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 6459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 646f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 647f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 64803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 6498b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 650a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 6515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 654eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 6569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 6579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 658171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 6609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 661171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 662171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 6649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 6659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 666eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 6671d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 668eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6699c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 6709c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 6719c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 6729c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 6739c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 674eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 675eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 676eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 677eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 678eb99356a0548684a501766e6a524529ab93304c8Romain Guy 679eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 680eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 681eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 682eb99356a0548684a501766e6a524529ab93304c8Romain Guy 683746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 684746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 685eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 6868550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 6871d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 6889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6891d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 6901d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6911d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 6921d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 693aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 6949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 695aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 696302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 697302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 698302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 699302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 700302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 701302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 702aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 7039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7048f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 7058f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7068f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 7078f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 7088f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 709aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 710aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 7119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 712aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 713aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 714aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 7159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7178f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 7198f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 720ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 721ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 722ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 7239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 726d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 729d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 7319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 733aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 734aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 735aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 736aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 737aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 738302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 739302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 740302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 741302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 742aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 743aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 7445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 7459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 746aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 747aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 748aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 7495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 7519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 752b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 753ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 754b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 755b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 756b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 7579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 7589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 7599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 763d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 7649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 765d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 7669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 7689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 7699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 7709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 7719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 7729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 7735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 774aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 775aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 776aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 777aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 778aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 779aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 7805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 7835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 7845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 7859fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 7869fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 78740667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 7889fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 7895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 7905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 7915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7938a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 7948a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 795211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 7965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 7975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 7985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 8009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 8019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 802f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 8035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 8055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 8065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8077230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 8087230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 8097230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 810ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 8119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 8127230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 8137230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 8147230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 815ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 8169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 8179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 8189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 821d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 8229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 8239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 824d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 8259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 8269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 82715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 8285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 8305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 8315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 833f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 8345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 835f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 8365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 8385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 8395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 8405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 8415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 8425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 8465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 8485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 8495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 8535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8567230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 8575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8593a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 8605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 8655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 8665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8693a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 8703a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8713a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 8723a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 8733a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8743a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 8753a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 8763a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 8773a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 8783a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8793a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 8803a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 8813a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8823a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 8833a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 8843a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 8853a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 8863a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 8873a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8883a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 8893a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 8903a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 8913a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 8923a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 8933a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 8943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 8965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 8975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 898f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 8995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 9005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 901f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 9085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 909f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 911f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9121bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 9131bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 9141bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 9151bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 9161bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 9171bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 9181bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 9191bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 9201bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 9211bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 9221bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 9235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 92854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 92954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 93054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 93154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 93254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 93354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 93454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 93554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 93654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 93754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 93854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 93954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 94054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDisable(GL_SCISSOR_TEST); 94154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 94254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 94354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 94454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 94554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 94654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 94754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 94854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 94954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 95054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 95154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 95254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 95354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 95454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 95554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 95654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 95754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 95854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 95954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 96054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 96154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 96254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 96354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 96439d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 96554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 96654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 96754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 96854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glEnable(GL_SCISSOR_TEST); 96954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 97054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 97154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 97254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 97354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 97454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 97654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 97754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 978bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 979f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 980f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 981f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 982f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 9838aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 984f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 985f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 986f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 9878aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 988f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 989f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 990f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 9918aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 992f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 993f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 994807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 995807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 996807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 997807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 998f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 999e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1000e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1001e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1002e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1003e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1004f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1005f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1006f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 10078aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1008f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1009f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1010f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1011e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1012e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1013e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1014e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1015f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1016f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1017f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1018f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1019f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1020f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1021bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1022e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1023e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 10248f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 10258f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 10268f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy clip.getWidth(), clip.getHeight()); 10278f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 1028746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 10299d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 10309d5316e3f56d138504565ff311145ac01621dff4Romain Guy 10319d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1032079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1033bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1034bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1035c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1036af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1037dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1038dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1039dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 10401d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 10418aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1042d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1043d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1044d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1045d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1046d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1047d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 1048c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1049c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1050079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1051079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 10527ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1053746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 10547ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 10558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1056e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1057e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1058f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 105970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 106070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 106170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 106254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 106354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 106470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 106570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 106670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 106770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 106870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 106970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 107070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 107170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 107270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 107370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 107470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 107570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 107670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 107770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 107870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 107970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1080aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1081aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1082aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1083aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 108415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 108515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 108615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 108715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 10885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 108999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 10905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 10915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1092ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1093ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1094ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1095ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1096ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 109770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 10988d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 10998d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11008d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 11018d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 11028d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 11036cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 11046cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 110570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1106fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1107fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1108fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 110970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 111070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 111170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 111270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 111386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 111486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 11156cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 11166cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 111786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 111886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 111986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 112086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 112186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 112286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 112386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 112486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 112570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 112670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 112770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 112870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 112970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 113070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 113170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 113270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 113370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 113486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 113586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 113686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 113786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 113886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 113986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 114086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 114186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 114286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 114370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 114470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 114570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 114670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 114770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 114870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 114970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 115070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 115170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 115270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 115370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 115470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1155f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1156f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1157f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1158f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 115954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1160f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1161f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1162f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 116370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1164f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1165f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1166f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 116770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 116870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 116970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 117070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 117170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1172f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1173f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1174f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 117570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 117670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 117770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 117870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 117970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 118070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 118170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 118270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 118370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 118470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 118570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 118670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 118770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 118870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 118970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 119070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 119170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 119270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 119370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 119470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 119570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 119670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 119770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 11998a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 12008a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 12018d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12028d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 120370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 120570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 120670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 120770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 120870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 120970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 121070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 121186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 121286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 121386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 121486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 121586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 121686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 121786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 121886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 121986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 122086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 122170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1223ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1224ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1225ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1226ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1227ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 122870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 122955fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 123070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 123170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 123270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 12355536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 123686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 12375536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 12385536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 12395536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 124070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 124170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 124270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 124370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 124470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 124570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 124670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 124770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12498d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 12508d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 12518d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 12528d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 12538d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12548d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 125570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 125670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 125770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 125870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 125970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 126070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 126170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1262f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1263f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 126415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 126570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 126670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 126770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 126870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 12692d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 127015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 127170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 127270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1273aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1274aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 12752d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 127615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1277aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1278aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 12798f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 12808f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 12818f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 12828f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 12838f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1284aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1285aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1286aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1287aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 128870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1289f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 129070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1291f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 129270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1293f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 129470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1295d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1296f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 129715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 129815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 129915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 130015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 130115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 130215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 130315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 130415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 130515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 130615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 130715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 130815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 13098d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 131070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 131170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1313f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1314f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1315f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 131615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 13175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 13195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 13205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 132199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 132299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 132399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 132499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 132599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 132699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 132799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 132899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 13295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 133099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 133199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase GLvoid* lengthCoords, float boundaryWidthProportion) { 1332f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1333f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1334f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1335f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 133615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1337d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 133899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 133999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 134099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1341d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 134299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 134399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 134499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1345d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 134799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 1348d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 134999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 13505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 135199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 13525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 135470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 135570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 135670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 135770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1358f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1359f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1360f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 13616554943a1dd6854c0f4976900956e556767b49e1Romain Guystatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, 136233f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1363b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 1364b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase if (!USE_DISPLAY_LIST_PROPERTIES && quickReject(0, 0, width, height)) { 13657b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy return false; 13667b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy } 13677b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 13680fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 13690fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 137004c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 1371a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase return displayList->replay(*this, width, height, dirty, flags, level); 13720fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 13737b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 13746554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 13750fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 13760fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1377ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1378ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1379ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1380ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1381ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1382ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1383a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1384a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1385a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1386a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1387a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1388a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1389a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1390a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1391e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1392a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1393a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1394a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1395a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1396a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1397e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1398d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1399d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1400a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1401a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1402a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1403a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 14045b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 14055b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 14065b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1407a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1408a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1409a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1410a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1411a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1412e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1413a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1414d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1415d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1416e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1417a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1418a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1419a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1420a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1421a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1422a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1423a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1424a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1425a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1426a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 14275c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 14286926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 14296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 14306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 14316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 14326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14336926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1435a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14368164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14379cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 143822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 143922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1440211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1441a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1442a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1443a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1444a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 14458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 14468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 14475c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1448f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1449f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1450f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1451f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 14526926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 14536926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1456a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14578164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14589cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 145922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 146022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 14615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 14625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 14635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 14645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 14655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 14665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1467f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1468f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 14695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 14705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 14715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 14725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 14735a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 14745a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1476a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14775a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 14795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1480e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1481d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1482d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 14835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 14855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 14865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 14875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14885a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 14895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1490b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1491b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1492b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1493b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1494b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1495b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1496211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1497b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1498211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 1499b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1500b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1501a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1502a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 15035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 15045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 15055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 15065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 15075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 15095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 15105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 15115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 15125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 15145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 15155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 15165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 15175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 15185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 15195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 15205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 15215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 15245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 15255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 15285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1529b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1530b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1531b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1532b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1533b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1534b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1535b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1536b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1537b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1538b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 15395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1542b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1543b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1544b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1545b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1546b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1547b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 15485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 15495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1550b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 15515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 15525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15538ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 15548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 15558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 15565c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 15576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 15586926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 15596926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15606926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1561a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15628164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15639cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 156422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 15658ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 15668ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 15678ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1568c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 15696816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 15706816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 15716816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 15726816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1573c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 157403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 15758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 15768ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 157703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 157803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 157903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 158003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1581d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1582d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1583211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 15846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 15856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 15866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1587b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1588631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1589631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1590d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1591b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1592b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1593d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 15946620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 15956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 15966620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 15976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 15986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1599d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 16006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 16016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 16036620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16048ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16058ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1606ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1607ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 16084aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 16094bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 16105c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 16116926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 16126926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 16136926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1615a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16168164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 16179cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 161822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1619d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1620d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1621f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1622f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1623f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1624f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1625f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 16262728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 16274bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1628f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1629211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 16306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1631a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 16325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 16338168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1634c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1635c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 16365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 16375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 16388ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1639211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1640c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1641c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1642c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 16436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1644c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1645c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 16466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 16485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1649a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 16505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1651211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 16526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 16536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 16546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 16556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 16566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 16576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 16586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 16596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 16606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 16616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 16626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 16636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 16646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1665054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1666f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1667f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 166899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1669858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1670858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1671858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1672858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1673858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1674858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1675181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1676858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1677858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 1678858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1679211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 1680858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1681858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1682858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1683858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1684858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1685858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1686858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1687858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1688858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1689858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1690858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1691858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1692858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1693858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDraw(); 169415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 1695858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine(); 1696858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColor(color); 1697858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilter(); 1698858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShader(); 1699858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawBlending(true, mode); 1700858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawProgram(); 1701858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawModelViewIdentity(true); 1702858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorUniforms(); 1703858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilterUniforms(); 1704858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShaderIdentityUniforms(); 1705858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1706858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex rects[4]; 1707858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex* aaVertices = &rects[0]; 1708858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 1709858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 1710858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1711858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1712858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1713858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1714858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1715858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1716858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1717858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1718858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1719858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1720858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float width = right - left; 1721858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float height = bottom - top; 1722858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1723858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 1724858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 1725858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 1726858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 1727858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 1728858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 1729858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryHeightProportion)); 1730858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1731858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!quickReject(left, top, right, bottom)) { 1732858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1733858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1734858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1735858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1736858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1737858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 1738858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1739858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1740858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1741858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 174299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 174399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 174499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 174599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 174699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 174799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 174899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 174999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 175099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 175199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 175299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 175399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 175499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 175599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 175699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 175799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 175899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 17598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 17608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (mSnapshot->isIgnored()) return; 17618a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17628a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 176399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 176499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 176599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 17668a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 17678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 17688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 176999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 177099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 177199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 17728a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 17738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 17748a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 17755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 17765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1777c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 177899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 177999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 178099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 178199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 178299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 178399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 178499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 1785211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 178699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 178799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 178899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 178999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 179099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 179199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 179299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 1793211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 1794211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 179599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 179699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 179799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 179899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 179999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 180099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 18015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18028a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18038a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 18048a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 180515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 18068a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 18078a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 18088a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 18098a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 18108a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 18118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 1812211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 18138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 18148a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 18158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 18168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 18178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 18188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 18208a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 182199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 182299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 18235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 182499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 18255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 18275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 182899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 182999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 1830211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 18315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 18325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 183399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 183499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 183599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 18365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 18375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 183899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 183999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 184099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 184199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 18425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 184499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 184599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1846740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 184799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 184899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 184999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 185099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 18515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 18525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 18535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 18545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 185599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 185699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 185799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 18585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 18595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 186099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 18618a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 18628a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 18638a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 18648a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 18658a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 18668a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 18678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 18688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 18698a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 18705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 187199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 187299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 187399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 187499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 187599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 187699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 187799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 187899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 187999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 188099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 188199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 188299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 188399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 188499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 18855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 18875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 18885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 18895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 189099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 189199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 189299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 189399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 189499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 189599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 189699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 189799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 189899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 189999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 190099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 190199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 190299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 190399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 190499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 190599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 190699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 190799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 19085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 19095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 19105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 19115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 19125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 19135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 191499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 19155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 19165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 19175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 19185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 19195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 19215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 19225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 19235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 19245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 19255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 19265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 19275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 19285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 19295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 19305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 19325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 19335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 19345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 19355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 19365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 19375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 193899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 193999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 194099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 194199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 194299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 194399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 194499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 194599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 194699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 194799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 194899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 194999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 195099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 195199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 195299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 195399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 195499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 195599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 195699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 195799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 19585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 19595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 19605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 19615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 19625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 196399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 196499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 196599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 19665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 19675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 196899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 196999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 197099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 197199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 19725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 19735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 19745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 197599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 197699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 197799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 19785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 19815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 19825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1985ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 1986ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 1987ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1988ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 1989ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 1990ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 19915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 1992ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 19938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 1994ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 19958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19968a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 19978a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 19988a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19998a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2000ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2001ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2002ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2003ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2004ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2005ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2006ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2007ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2008ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2009ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2010ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 201115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 20128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2013ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2014ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2015ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2016ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2017ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 20188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2019ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2020ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2021ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2022ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2023ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2024ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2025ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2026ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2027ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 20288a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 20298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 20308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 20318a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 20328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2033ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2034ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2035ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2036ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2037ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 203885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2039e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2040af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2041e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2042ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2043ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 204470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 20453d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2046c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 20479d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2048c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 204901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 205001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 205101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 205201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 205301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 205401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 205501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 205601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 205701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2058c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2059c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 206001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 206101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2062a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2063c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2064c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2065c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2066c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 206701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2068c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2069c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2070c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2071a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 207201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2073c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 2074c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 207501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2076c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 2077c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 207801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2079a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2080c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2081c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2082c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2083c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 20848b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 20858b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 20868b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 20878b2f5267f16c295f12faab810527cd6311997e34Romain Guy 20888b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 20898b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 20908b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 20918b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 20928b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2093a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20948b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 20958b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 20968b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 20978b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 20988b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2099c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2100c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2101c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2102c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2103a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2104c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2105c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 210601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 210701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 21085c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2109c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2110c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 2111c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 2112c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2113c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 21146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 21156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 21166926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 21176926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2118026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2119746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2120a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2121a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2122a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2123a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2124a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2125a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2126a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2127026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2128026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2129026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2130181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2131858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2132858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2133858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2134858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2135c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 21369d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2137eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guyvoid OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2138eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2139671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2140671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2141eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy return; 2142eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2143eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2144671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2145671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2146671d6cf460531825a321edb200523d0faa7792c9Romain Guy return; 2147671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2148671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2149671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2150671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2151671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2152671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2153671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2154671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2155671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2156671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2157671d6cf460531825a321edb200523d0faa7792c9Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2158671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2159671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2160671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2161671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2162671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2163671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2164671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2165671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2166671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2167671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2168671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2169671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2170671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2171671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2172671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 2173671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2174671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2175671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2176671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2177671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2178671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2179671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2180671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2181671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2182671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2183671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2184671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 2185671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2186671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2187671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2188671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2189671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2190211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2191671d6cf460531825a321edb200523d0faa7792c9Romain Guy#else 2192211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 2193671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2194671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2195671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2196671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2197671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2198671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2199671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2200671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2201671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2202671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2203671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2204671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2205671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2206eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2207eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2208e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2209cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy float x, float y, SkPaint* paint, float length) { 2210671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2211671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2212e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 2213e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2214e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2215a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2216e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2217e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2218e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2219e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2220e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2221e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2222e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2223e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2224e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2225e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2226e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2227cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2228cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 222933f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2230cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy return; 2231cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2232cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 22333a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 22343a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 22356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2236211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 22376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 22386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 22396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 22406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2241ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 22425baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("OpenGLRenderer drawText() with FontID=%d", SkTypeface::UniqueID(paint->getTypeface())); 2243ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2244eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2245eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2246b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2247fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2248e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 224986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 225086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 225186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 22529d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2253211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 22542d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mCaches.activeTexture(0); 22552d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy 2256b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 225767ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get( 225867ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint, text, bytesCount, count, mShadowRadius); 22591e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 22600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2261740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 2262740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 226386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 226486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 2265740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 2266740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 2267740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 2268740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 226986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 227086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 227186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 2272740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2273740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 2274740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 227586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 227686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2277740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 227886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 227986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 2280740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 2281740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 228286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 22830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 22840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 22851e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 22861e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 22876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 22886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 22896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 22906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 22916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 22925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2293a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 229486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 229586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 229686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 229786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 229886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 229986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 230086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 230186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 230286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 230386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 230486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 230586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 230686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 230706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 23086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 23095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 23105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 23115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2312211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 23135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 2314211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 23155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 2316894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 23176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 2318f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 23195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2320f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 23216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 23226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 23236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2324f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 23255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 23275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2328694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 23293a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2330694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2331694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2332325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guyvoid OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2333325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 233403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 233503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 233603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy return; 233703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 233803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 233903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 234003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 234103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 234203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 234303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 234403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 234503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 234603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 234703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 234803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 234903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 235003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 235103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 235203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 235303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 235403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 235503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 23569777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 235703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 235803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 235903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 23609777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 23619777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 23629777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 23639777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 236403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 23659777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 23669777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 23679777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#else 23689777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = false; 23699777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 23709777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 23719777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 23729777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 23739777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 23749777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 23759777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 23769777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 23779777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 23789777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 23799777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2380325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2381325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 23827fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2383af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2384dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2385a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 23867fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 238733f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2388fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 23899cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 239022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 23917fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 23928b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 23938b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 23948b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 239501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 23967fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 23977fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2398ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2399ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 24006c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 24016c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 24026c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 24032bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 24042bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy OpenGLRenderer* renderer = layer->renderer; 24052bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy Rect& dirty = layer->dirtyRect; 24062bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 24072bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy interrupt(); 24082bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 24092bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 24102bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->drawDisplayList(layer->displayList, layer->getWidth(), layer->getHeight(), 24112bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy dirty, DisplayList::kReplayFlag_ClipChildren); 24122bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->finish(); 24132bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy resume(); 24142bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 24152bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy dirty.setEmpty(); 24162bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->deferredUpdateScheduled = false; 24172bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->renderer = NULL; 24182bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->displayList = NULL; 24192bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 24202bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 2421a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 24226c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 24236c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 24246c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 24256c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 24266c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 24279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 24286c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2429f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2430211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2431c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 243240667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2433c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 24348168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2435c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2436c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2437c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2438c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 24398168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2440c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 24419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2442c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2443c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2444c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 24459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2446211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 24479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 24489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 24499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2450d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 24519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 24529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), true); 24539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2454d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 24559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 24569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 24579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2458c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2459c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2460c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2461c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2462c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2463c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 24643a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 24653a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 24663a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 24673a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2468c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2469f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2470f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2471ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2472ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2473f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 24746c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 24756c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 24766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2477d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2478d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2479d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2480d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 248106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 248206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 248306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 248406f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 248506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 248606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2487fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 248806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 24897fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 24907fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2491d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2492db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2493db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2494db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2495db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2496db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2497db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2498db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2499db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2500db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2501db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2502db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2503db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 25041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 25051e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 25061e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 25071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 25081e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 25091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 25101e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 25111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 25121e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 25131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 25141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 25151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 25161e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 25171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 25181e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 25191e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 25205ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 25215ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 25225ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 25235ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 25245ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 25255ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 25265ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 25275ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 25285ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 25295ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 25305ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 25315ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 25325ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 25335ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2534dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 25355ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 25365ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 25375ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 25385ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 25395ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 25405ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 25415ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 25425ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 25435ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 25445ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 25456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 25466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 25476926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 254801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 254901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 255001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 255101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 255201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 255301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 255401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 255501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 255601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 255701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 255801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 255901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 256001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 256101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 256201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 256301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 256401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 256501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 256601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 256701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 256801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 256901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 257001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 257101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 257201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 257301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 257401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 257501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 257601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2577f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 25780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 25790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 25800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 25810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 25820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 25830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 25840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 25850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 25860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2587726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 25880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 25890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 25900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2591726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 25920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 25930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 25940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 2595726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy switch (paintCopy.getTextAlign()) { 25960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 25970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 25980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 25990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 26000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 26010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 26020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 26030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 26040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 26050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2606211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2607726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2608f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 26090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2610e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 26110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2612e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2613f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2614f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2615f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2616f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2617f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2618e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2619e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 26200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 26210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 26220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2623e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2624e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2625e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2626e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 26270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 26280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 26290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 26300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2631e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2632e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2633e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2634e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 26350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2636e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2637726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2638e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2639726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 26400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 26410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 26420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 26430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2644026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 26451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2646d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 264706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2648d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2649d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2650d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 265170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 265215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 265370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 265470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 265570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 265670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 265770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 265870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 265970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 266070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 266170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 266270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2663c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2664c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2665c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2666c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 266782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 26688164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 266982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 267082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 267182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 267282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2673d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 26748164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2675211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 26766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 26776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 26786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2679d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 26806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 26816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 26826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 26836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2684d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 26856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 26866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 26876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 26886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 268985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 269085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2691bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2692a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2693a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 269403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2695f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2696f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2697f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2698a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 26996820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 27005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 27018694230ff25fa0a60e480d424843e56b718f0516Romain Guy 270270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 270370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 270470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 270570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 270670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 270770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 270870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 270970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2710db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 27115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 271270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 271303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 271470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2715db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 271686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 271770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 271870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 271970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2720db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 27216820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 272270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 272370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 272482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 272582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2726a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2727f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 272882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 272982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 273082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 273182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 273282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 273382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 273482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 2735211370fd943cf26905001b38b8b1791851b26adcRomain Guy if CC_UNLIKELY((mode > SkXfermode::kScreen_Mode)) { 2736211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 2737a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2738f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2739a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 274082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 274182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 274282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 274382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 274482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 274582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 274682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 274782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 2748a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 274982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 275082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 275182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 275282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 275382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 275482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 275582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 275682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 275782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 275882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 275982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 276082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 276182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 276282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2763fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 276482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 276582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2766fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2767bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2768bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2769889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2770d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2771fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2772d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2773fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 27746926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2775260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 27766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2777260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2778260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2779026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2780ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 278182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 278282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 278382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 278482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 27858ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 27868ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 27875c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 27888ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 27892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy *mode = getXfermode(paint->getXfermode()); 27908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 27918ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 27928ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 27938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 27948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 27958ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 27968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 27978ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 27988ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 27998ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 28008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 28018ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2802026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2803026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2804a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2805d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger SkXfermode::Mode resultMode; 2806d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger if (!SkXfermode::AsMode(mode, &resultMode)) { 2807d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger resultMode = SkXfermode::kSrcOver_Mode; 2808a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2809d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger return resultMode; 2810a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2811a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 28129d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2813e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2814