OpenGLRenderer.cpp revision c189ef53220059acf2adedc92ac4ac7e6a993e6b
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 240ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::detachFunctor(Functor* functor) { 241ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.remove(functor); 242ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2438f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 244ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guyvoid OpenGLRenderer::attachFunctor(Functor* functor) { 245ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 246ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy} 2478f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 248ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guystatus_t OpenGLRenderer::invokeFunctors(Rect& dirty) { 249ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy status_t result = DrawGlInfo::kStatusDone; 2503d745c03ace18ee59c539e1b7f1df13f22beb57dRomain Guy size_t count = mFunctors.size(); 2518f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 252ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (count > 0) { 253ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy SortedVector<Functor*> functors(mFunctors); 254ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.clear(); 255ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 256ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy DrawGlInfo info; 257ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipLeft = 0; 258ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipTop = 0; 259ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipRight = 0; 260ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.clipBottom = 0; 261ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.isLayer = false; 262ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.width = 0; 263ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy info.height = 0; 264ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy memset(info.transform, 0, sizeof(float) * 16); 265ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 266ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy for (size_t i = 0; i < count; i++) { 267ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Functor* f = functors.itemAt(i); 268ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy result |= (*f)(DrawGlInfo::kModeProcess, &info); 269ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 270ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (result != DrawGlInfo::kStatusDone) { 271ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 272ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy dirty.unionWith(localDirty); 273ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy 274ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy if (result & DrawGlInfo::kStatusInvoke) { 275ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(f); 276ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy } 2778f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 2788f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 2798f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 2808f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 281c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy // Restore state possibly changed by the functors in process mode 282c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy GLboolean value; 283c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy glGetBooleanv(GL_BLEND, &value); 284c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy mCaches.blend = value; 285c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 286c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy mCaches.activeTexture(0); 287c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 2888f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 2898f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 2908f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 2918f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 292daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 293f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 294f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 295f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 296d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 29780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 29880911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 29980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 300d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 301d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 302d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 303d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 304d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 305d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 306d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 307d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 30808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 30908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 31008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 31108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 31208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 31308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 3147b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 3157b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 31608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 31780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 3188f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy status_t result = (*functor)(DrawGlInfo::kModeDraw, &info); 319cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 3208f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 32108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 322cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 3238f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 32465924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 325ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 3268f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 327cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 328cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 329daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 3306554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 331daf98e941e140e8739458126640183b9f296a2abChet Haase} 332daf98e941e140e8739458126640183b9f296a2abChet Haase 333f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 334f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 335f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 336f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 337bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 3387ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 339bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 340bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 341bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 3428aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 343bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 344bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 345bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 3462542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 3472542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3487ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 349bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 350bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 351bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 3528fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 353bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3548fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 3552542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3567ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 357bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 358bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3598aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 3608aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 3618fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 362bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 363bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 364bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 3657ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 366bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 367eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 368bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 369bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 3707ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 371bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 372eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 373eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 374eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 375eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 376eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 377eb99356a0548684a501766e6a524529ab93304c8Romain Guy 3788b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 3798b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 3808b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 3812542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 382746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 3838fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 3842542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 3855ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 3865ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 3875ec9924d24495822b589f1a17996655d66273b30Romain Guy } 3885ec9924d24495822b589f1a17996655d66273b30Romain Guy 3892542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 390d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 3915cbbce535744b89df5ecea95de21ee3733298260Romain Guy 392f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 393bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 394bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 395bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 396bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 3975c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 398eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 399eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 400d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 401af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 402e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 403e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 404e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 405e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 406e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 407e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 408e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 409e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 410e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 411e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 412e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 413e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 414e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 415a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 416a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 417e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 418d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 419d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 420dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 421dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 422d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 423d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 424bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 425bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 426bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 427bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 4285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 4298aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 4308b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 4318aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 4328aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 4338aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 4348b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 435d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 436bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 4381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 4391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 4401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 4411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 4421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 4431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 4441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 4461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 4471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 4481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 4491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 4501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 4511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 4521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 4546b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 4556b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 4566b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 4576b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 4581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 4601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 4611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 46287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 4631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 4641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 4651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 4671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 4681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 4691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 4701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 4711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 4731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 4741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 4751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 4761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 4771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 4781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 4801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 4811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 48287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 48387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 48487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 48587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 48687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 4871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 488d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 489eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 490eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 491eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 492fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 493dda570201ac851dd85af3861f7e575721d3345daRomain Guy 494eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 495eb99356a0548684a501766e6a524529ab93304c8Romain Guy 496f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 4978aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 4987b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 499eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 500ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 501eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 502ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 503ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 504ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 505ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 506ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 507ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 508ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 509ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 510ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 511ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 512ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 513ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 514ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 515eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 516bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 517746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 518746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 51932963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 520dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 521e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 522dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 523dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 524dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 525af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 526b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 527b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 528dda570201ac851dd85af3861f7e575721d3345daRomain Guy 529a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 5308550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 531f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 532f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 533bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 534bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 5368aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 5379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 5389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 5399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 540a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 541dda570201ac851dd85af3861f7e575721d3345daRomain Guy 5428fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 5438fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 544dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 5451d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 546eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 5475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 548eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 549eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 5509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 551514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 5529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 5549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.left, snapshot->height - bounds.bottom, 5559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 5569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 557514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 558514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 559514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 560514fb18827186591d66973c2362c859b64b63556Romain Guy } 5617b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 56254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 56354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 564ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 565eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 566f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 567d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 568bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 569bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 5715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 5729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 5735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 5755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 5765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 5775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 5805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 5815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 5825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 5845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 5865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 5875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 5895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 5915ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 5925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 5949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy snapshot->fbo = layer->getFbo(); 5955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 5965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 6039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 6049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 6079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 6089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 6099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 6139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 6145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 6183762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Framebuffer incomplete (GL error code 0x%x)", status); 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 6219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 6235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 6255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 6275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 6318f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 6325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 6335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 6345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 6385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 6425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 6461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 6471d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 6481d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 6493762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 6501d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 6511d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6521d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 654eb99356a0548684a501766e6a524529ab93304c8Romain Guy 655eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 656e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 657e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 658e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy 659eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 660eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 661eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 662eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6631d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 6641d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 6651d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 667f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 6689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 6695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 6709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 671f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 672f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 67303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 6748b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 675a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 6765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 6785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 679eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 6819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 6829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 683171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 6859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 686171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 687171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 6899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 6909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 691eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 6921d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 693eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6949c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 6959c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 6969c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 6979c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 6989c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 699eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 700eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 7015c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 702eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 703eb99356a0548684a501766e6a524529ab93304c8Romain Guy 704746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 705746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 706eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 7078550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 7081d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 7099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 7101d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 7111d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 7121d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 7131d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 714aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 7159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 716aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 717302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 718302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 719302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 720302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 721302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 722302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 723aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 7249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7258f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 7268f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7278f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 7288f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 7298f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 730aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 731aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 7329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 733aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 734aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 735aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 7369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7388f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 7408f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 741ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 742ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 743ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 7449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 747d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 750d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 7529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 754aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 755aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 756aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 757aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 758aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 759302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 760302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 761302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 762302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 763aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 764aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 7655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 7669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 767aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 768aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 769aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 7705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 7729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 773b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 774ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 775b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 776b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 777b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 7789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 7799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 7809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 784d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 7859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 786d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 7879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 7899ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 7909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 7919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 7929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 7939ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 7945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 795aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 796aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 797aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 798aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 799aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 800aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 8015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 8045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 8055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 8069fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 8079fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 80840667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 8099fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 8105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 8125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8148a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 8158a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 816211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 8175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 8185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 8195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 8219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 8229ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 823f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 8245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 8265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 8275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8287230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 8297230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 8307230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 831ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 8329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 8337230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 8347230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 8357230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 836ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 8379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 8389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 8399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 842d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 8439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 8449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 845d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 8469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 8479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 84815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 8495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 854f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 8555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 856f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 8575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 8595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 8605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 8615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 8625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 8635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 8655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 8675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 8695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 8705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8777230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8803a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 8815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 8865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 8875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8903a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 8913a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8923a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 8933a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 8943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8953a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 8963a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 8973a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 8983a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 8993a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 9013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 9023a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9033a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 9043a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 9053a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 9063a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 9073a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9083a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9093a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 9103a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 9113a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 9123a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9133a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 9143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 9153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 9185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 919f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 9215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 922f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 9295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 930f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 932f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9331bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 9341bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 9351bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 9361bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 9371bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 9381bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 9391bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 9401bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 9411bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 9421bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 9431bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 9445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 94954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 95054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 95154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 95254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 95354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 95454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 95554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 95654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 95754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 95854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 95954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 96054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 96154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDisable(GL_SCISSOR_TEST); 96254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 96354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 96454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 96554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 96654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 96754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 96854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 96954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 97054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 97154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 97254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 97354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 97454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 97554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 97754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 97854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 98054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 98154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 98254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 98354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 98454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 98539d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 98654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 98854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glEnable(GL_SCISSOR_TEST); 99054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 99154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 99254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 99354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 99454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 99554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 99654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 99754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 99854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 999bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 1000f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 1001f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1002f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1003f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 10048aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 1005f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1006f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1007f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 10088aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1009f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1010f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1011f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 10128aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1013f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1014f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1015807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1016807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1017807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1018807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1019f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1020e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1021e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1022e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1023e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1024e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1025f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1026f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1027f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 10288aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1029f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1030f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1031f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1032e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1033e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1034e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1035e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1036f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1037f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1038f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1039f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1040f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1041f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1042bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1043e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1044e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 10458f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 10468f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 10478f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy clip.getWidth(), clip.getHeight()); 10488f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 1049746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 10509d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 10519d5316e3f56d138504565ff311145ac01621dff4Romain Guy 10529d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1053079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1054bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1055bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1056c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1057af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1058dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1059dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1060dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 10611d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 10628aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1063d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1064d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1065d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1066d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1067d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1068d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 1069c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1070c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1071079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1072079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 10737ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1074746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 10757ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 10768aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1077e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1078e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1079a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1080a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1081a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1082a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1083f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 108470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 108570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 108670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 108754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 108854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 108970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 109070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 109170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 109270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 109370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 109470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 109570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 109670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 109770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 109870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 109970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 110070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 110170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 110270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 110370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 110470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1105aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1106aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1107aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1108aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 110915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 111015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 111115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 111215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 11135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 111499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 11155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1117ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1118ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1119ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1120ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1121ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 112270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 11238d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 11248d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11258d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 11268d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 11278d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1128db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase mColorA *= mSnapshot->alpha; 11296cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 11306cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 113170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1132fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1133fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1134fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 113570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 113670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 113770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 113870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 113986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 114086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 11416cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 11426cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 114386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 114486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 114586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 114686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 114786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 114886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 114986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 115086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 115170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 115270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 115370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 115470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 115570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 115670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 115770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 115870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 115970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 116086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 116186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 116286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 116386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 116486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 116586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 116686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 116786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 116886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 116970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 117070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 117170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 117270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 117370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 117470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 117570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 117670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 117770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 117870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 117970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 118070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1181f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1182f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1183f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1184f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 118554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1186f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1187f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1188f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 118970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1190f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1191f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1192f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 119370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 119470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 119570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 119770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1198f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1199f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1200f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 120170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 120270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 120370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 120570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 120670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 120770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 120970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 121070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 121170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 121370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 121470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 121570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 121670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 121770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 121870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 121970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 122070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 122170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 122270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 122370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12258a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 12268a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 12278d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12288d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 122970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 123070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 123170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 123270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 123370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 123470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 123570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 123670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 123786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 123886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 123986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 124086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 124186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 124286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 124386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 124486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 124586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 124686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 124770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1249ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1250ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1251ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1252ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1253ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 125470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 125555fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 125670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 125770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 125870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 125970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 126086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 12615536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 126286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 12635536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 12645536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 12655536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 126670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 126770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 126870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 126970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 127070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 127170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 127270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 127370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 127470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12758d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 12768d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 12778d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 12788d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 12798d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12808d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 128170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 128270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 128370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 128470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 128570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 128670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 128770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1288f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1289f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 129015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 129170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 129270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 129370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 129470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 12952d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 129615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 129770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 129870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1299aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1300aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 13012d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 130215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1303aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1304aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 13058f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 13068f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 13078f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 13088f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 13098f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1310aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1311aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1312aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1313aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 131470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1315f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 131670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1317f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 131870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1319f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 132070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1321d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1322f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 132315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 132415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 132515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 132615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 132715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 132815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 132915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 133015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 133115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 133215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 133315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 133415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 13358d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 133670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 133770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1339f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1340f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1341f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 134215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 13435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 13455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 13465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 134799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 134899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 134999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 135099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 135199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 135299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 135399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 135499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 13555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 135699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 13577b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1358f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1359f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1360f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1361f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 136215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1363d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13647b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 136599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 136699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1367d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13687b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 136999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 137099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1371d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 137399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 1374d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 137599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 13765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 13777b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glUniform1f(inverseBoundaryWidthSlot, 1.0f / boundaryWidthProportion); 13787b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 13797b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 13807b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 13817b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 13827b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 13835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 138570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 138670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 138770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 138870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1389f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1390f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1391f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 13921271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 139333f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1394b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 13950fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 13960fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 139704c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 13981271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 13990fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 14007b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 14016554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 14020fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 14030fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1404ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1405ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1406ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1407ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1408ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1409ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1410a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1411a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1412a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1413a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1414a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1415a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1416a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1417a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1418e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1419a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1420a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1421a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1422a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1423a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1424e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1425d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1426d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1427a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1428a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1429a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1430a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 14315b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 14325b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 14335b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1434a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1435a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1436a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1437a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1438a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1439e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1440a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1441d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1442d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1443e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1444a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1445a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1446a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1447a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1448a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1449a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1450a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1451a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1452a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1453a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 14545c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 14556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 14566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 14576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 14586926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 14596926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14606926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1462a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14638164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14649cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 146522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 146622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1467211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1468a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1469a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1470a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1471a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 14728ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 14738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 14745c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1475f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1476f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1477f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1478f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 14796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 14806926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1483a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14848164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14859cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 148622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 148722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 14885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 14895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 14905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 14915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 14925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 14935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1494f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1495f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 14965a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 14975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 14985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 14995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 15005a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 15015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1503a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 15065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1507e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1508d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1509d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 15105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 15125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 15135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 15145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 15165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1517b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1518b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1519b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1520b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1521b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1522b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1523211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1524b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1525211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 1526b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1527b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1528a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1529a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 15305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 15315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 15325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 15335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 15345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 15365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 15375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 15385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 15395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 15415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 15425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 15435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 15445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 15455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 15465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 15475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 15485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 15515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 15525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 15555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1556b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1557b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1558b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1559b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1560b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1561b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1562b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1563b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1564b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1565b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 15665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1569b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1570b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1571b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1572b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1573b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1574b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 15755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 15765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1577b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 15785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 15795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15808ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 15818ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 15828ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 15835c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 15846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 15856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 15866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15876926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1588a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15898164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15909cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 159122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 15928ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 15938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 15948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1595c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 15966816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 15976816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 15986816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 15996816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1600c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 160103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 16028ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 16038ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 160403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 160503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 160603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 160703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1608d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1609d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1610211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 16116620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 16126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 16136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1614b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1615631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1616631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1617d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1618b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1619b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1620d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 16216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 16226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 16236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 16256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1626d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 16276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 16286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 16306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16318ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1633ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1634ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 16354aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 16364bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 16375c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 16386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 16396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 16406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16416926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1642a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16438164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 16449cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 164522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1646d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1647d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1648f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1649f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1650f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1651f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1652f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 16532728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 16544bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1655f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1656211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 16576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1658a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 16595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 16608168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1661c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1662c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 16635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 16645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 16658ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1666211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1667c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1668c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1669c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 16706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1671c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1672c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 16736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 16755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1676a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 16775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1678211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 16796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 16806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 16816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 16826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 16836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 16846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 16856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 16866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 16876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 16886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 16896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 16906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 16916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1692054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1693f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1694f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 169599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1696858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1697858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1698858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1699858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1700858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1701858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1702181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1703858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1704858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 1705858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1706211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 1707858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1708858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1709858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1710858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1711858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1712858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1713858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1714858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1715858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1716858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1717858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1718858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1719858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1720858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDraw(); 172115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 1722858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine(); 1723858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColor(color); 1724858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilter(); 1725858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShader(); 1726858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawBlending(true, mode); 1727858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawProgram(); 1728858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawModelViewIdentity(true); 1729858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorUniforms(); 1730858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilterUniforms(); 1731858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShaderIdentityUniforms(); 1732858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1733858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex rects[4]; 1734858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex* aaVertices = &rects[0]; 1735858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 1736858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 1737858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1738858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1739858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1740858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1741858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1742858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1743858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1744858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1745858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1746858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1747858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float width = right - left; 1748858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float height = bottom - top; 1749858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 17507b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 17517b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 17527b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1753858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 1754858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 17557b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 17567b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 17577b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1758858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 1759858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 1760858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 17617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glUniform1f(inverseBoundaryLengthSlot, (1.0f / boundaryHeightProportion)); 1762858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1763858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!quickReject(left, top, right, bottom)) { 1764858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1765858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1766858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1767858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1768858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1769858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 1770858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 17717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 17727b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 1773858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1774858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1775858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 177699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 177799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 177899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 177999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 178099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 178199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 178299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 178399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 178499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 178599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 178699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 178799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 178899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 178999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 179099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 179199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 179299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 17938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 17948a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (mSnapshot->isIgnored()) return; 17958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17968a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 179799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 179899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 179999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 18008a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 18018a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 18028a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 18037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 180499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 180599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 180699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 18077b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18088a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 18098a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 18107b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 18125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 18135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1814c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 181599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 181699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 181799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 181899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 181999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 182099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 182199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 1822211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 182399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 182499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 182599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 182699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 182799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 182899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 182999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 18307b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1831211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 1832211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 18337b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 183499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 183599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 18367b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 183799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 183899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 183999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 184099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 18415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18428a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18438a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 18448a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 184515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 18468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 18478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 18488a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 18498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 18508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 18518a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 1852211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 18538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 18548a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 18558a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 18568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 18578a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 18588a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 18608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 186199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 186299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 18635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 186499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 18655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18667b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18677b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 18687b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 18697b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 18715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 18727b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 187399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 187499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 18757b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1876211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 18775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 18785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 187999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 188099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 188199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 18825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 18835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 188499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 188599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 188699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 18877b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 18887b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 18895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 189199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 189299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1893740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 189499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 189599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 189699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 189799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 18987b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 19005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 19015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 19025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 19037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 190499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 190599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 190699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 19075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 190999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 19108a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 19138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 19148a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 19158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 19168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 19178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 19195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19207b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 192199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 192299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 192399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 192499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 192599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 192699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 192799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 192899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 192999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 193099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 19317b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 193299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 193399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 193499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 193599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 19365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19377b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 19395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 19405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 19415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 194299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 194399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 194499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 194599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 194699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 19477b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 194899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 194999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 195099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 195199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 195299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 195399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 195499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 195599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 19567b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 195799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 195899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 195999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 196099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 196199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 19625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 19635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 19645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 19655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 19665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 19675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 196899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 19695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 19705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 19715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 19725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 19735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 19755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 19765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 19775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 19785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 19795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 19805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 19815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 19825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 19835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 19845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19857b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 19875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 19885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 19895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 19907b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 19925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 19935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 199499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 199599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 199699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 199799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 199899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 199999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 200099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 200199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 200299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 200499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 200599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 200699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20077b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 200899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 200999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 201099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 201199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 201299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 20137b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 201499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 201599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 201699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 20185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 202299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 202399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 202499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 20255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20277b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 202899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 202999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 203099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 203199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 20327b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 20345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20367b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 203799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 203899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 203999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 20405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20427b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 20445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 20455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20467b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20477b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 20487b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 20497b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 20505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 20515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2052ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2053ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 2054ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2055ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2056ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2057ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 20585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2059ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 20608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2061ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 20628a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 20638a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 20648a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 20658a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 20668a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2067ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2068ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2069ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2070ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2071ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2072ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2073ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2074ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2075ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2076ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2077ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 207815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 20798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2080ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2081ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2082ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2083ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2084ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 20858a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2086ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2087ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2088ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2089ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2090ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2091ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2092ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2093ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2094ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 20957b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20968a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 20978a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 20988a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 20998a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 21007b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 21018a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2102ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2103ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2104ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2105ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2106ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 210785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2108e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2109af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2110e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2111ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2112ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 211370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 21143d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2115c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 21169d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2117c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 211801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 211901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 212001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 212101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 212201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 212301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 212401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 212501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 212601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2127c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2128c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 212901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 213001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2131a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2132c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2133c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2134c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2135c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 213601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2137c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2138c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2139c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2140a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 214101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2142c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 2143c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 214401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2145c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 2146c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 214701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2148a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2149c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2150c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2151c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2152c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 21538b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 21548b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 21558b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 21568b2f5267f16c295f12faab810527cd6311997e34Romain Guy 21578b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 21588b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 21598b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 21608b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 21618b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2162a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 21638b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 21648b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 21658b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 21668b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 21678b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2168c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2169c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2170c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2171c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2172a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2173c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2174c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 217501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 217601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 21775c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2178c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2179c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 2180c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 2181c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2182c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 21836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 21846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 21856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 21866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2187026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2188746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2189a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2190a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2191a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2192a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2193a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2194a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2195a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2196026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2197026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2198026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2199181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2200858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2201858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2202858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2203858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2204c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 22059d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2206eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guyvoid OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2207eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2208671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2209671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2210eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy return; 2211eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2212eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2213671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2214671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2215671d6cf460531825a321edb200523d0faa7792c9Romain Guy return; 2216671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2217671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2218671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2219671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2220671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2221671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2222671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2223671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2224671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2225671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2226671d6cf460531825a321edb200523d0faa7792c9Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2227671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2228671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2229671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2230671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2231671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2232671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2233671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2234671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2235671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2236671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2237671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2238671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2239671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2240671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2241671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 2242671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2243671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2244671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2245671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2246671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2247671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2248671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2249671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2250671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2251671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2252671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2253671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 2254671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2255671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2256671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2257671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2258671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2259211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2260671d6cf460531825a321edb200523d0faa7792c9Romain Guy#else 2261211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 2262671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2263671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2264671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2265671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2266671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2267671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2268671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2269671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2270671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2271671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2272671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2273671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2274671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2275eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2276eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2277e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2278cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy float x, float y, SkPaint* paint, float length) { 2279671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2280671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2281e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 2282e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2283e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2284a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2285e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2286e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2287e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2288e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2289e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2290e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2291e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2292e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2293e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2294e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2295e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2296cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2297cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 229833f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2299cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy return; 2300cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2301cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 23023a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 23033a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 23046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2305211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 23066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 23076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 23086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23096620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2310ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 23115baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("OpenGLRenderer drawText() with FontID=%d", SkTypeface::UniqueID(paint->getTypeface())); 2312ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2313eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2314eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2315b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2316fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2317e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 231886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 231986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 232086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 23219d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2322211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 23232d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mCaches.activeTexture(0); 23242d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy 2325b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 232667ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get( 232767ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint, text, bytesCount, count, mShadowRadius); 23281e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 23290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2330740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 2331740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 233286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 233386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 2334740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 2335740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 2336740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 2337740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 233886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 233986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 234086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 2341740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2342740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 2343740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 234486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 234586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2346740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 234786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 234886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 2349740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 2350740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 235186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 23520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 23541e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 23551e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 23576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 23586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 23596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 23606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2362a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 236386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 236486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 236586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 236686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 236786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 236886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 236986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 237086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 237186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 237286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 237386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 237486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 237586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 237606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 23776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 23785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 23795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 23805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2381211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 23825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 2383211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 23845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 2385894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 23866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 2387f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 23885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2389f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 23906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 23916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 23926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2393f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 23945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 23965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2397694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 23983a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2399694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2400694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2401325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guyvoid OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2402325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 240303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 240403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 240503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy return; 240603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 240703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 240803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 240903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 241003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 241103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 241203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 241303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 241403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 241503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 241603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 241703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 241803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 241903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 242003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 242103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 242203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 242303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 242403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 24259777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 242603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 242703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 242803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 24299777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 24309777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 24319777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 24329777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 243303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 24349777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 24359777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 24369777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#else 24379777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = false; 24389777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 24399777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 24409777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 24419777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 24429777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 24439777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 24449777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 24459777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 24469777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 24479777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 24489777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2449325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2450325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 24517fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2452af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2453dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2454a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 24557fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 245633f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2457fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 24589cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 245922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 24607fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 24618b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 24628b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 24638b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 246401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 24657fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 24667fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2467ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2468ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 24696c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 24706c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 24716c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 24722bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 24732bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy OpenGLRenderer* renderer = layer->renderer; 24742bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy Rect& dirty = layer->dirtyRect; 24752bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 24762bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy interrupt(); 24772bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 24782bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 24791271e2cc80b01d577e9db339459ef0222bb9320dChet Haase renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 24802bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->finish(); 24812bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy resume(); 24822bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 24832bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy dirty.setEmpty(); 24842bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->deferredUpdateScheduled = false; 24852bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->renderer = NULL; 24862bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->displayList = NULL; 24872bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 24882bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 2489a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 24906c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 24916c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 24926c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 24936c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 24946c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 24959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 24966c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2497f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2498211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2499c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 250040667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2501c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 25028168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2503c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2504c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2505c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2506c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 25078168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2508c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 25099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2510c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2511c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2512c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 25139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2514211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 25159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 25169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 25179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2518d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 25199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 25209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), true); 25219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2522d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 25239ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 25249ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 25259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2526c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2527c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2528c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2529c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2530c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2531c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 25323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 25333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 25343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 25353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2536c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2537f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2538f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2539ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2540ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2541f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 25426c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 25436c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25446926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2545d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2546d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2547d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2548d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 254906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 255006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 255106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 255206f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 255306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 255406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2555fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 255606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 25577fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 25587fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2559d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2560db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2561db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2562db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2563db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2564db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2565db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2566db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2567db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2568db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2569db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2570db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2571db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 25721e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 25731e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 25741e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 25751e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 25761e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 25771e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 25781e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 25791e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 25801e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 25811e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 25821e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 25831e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 25841e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 25851e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 25861e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 25871e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 25885ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 25895ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 25905ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 25915ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 25925ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 25935ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 25945ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 25955ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 25965ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 25975ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 25985ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 25995ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26005ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26015ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2602dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 26035ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26045ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 26055ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26065ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 26075ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 26085ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26095ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 26105ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26115ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26125ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 26136926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 26146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 26156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 261601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 261701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 261801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 261901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 262001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 262101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 262201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 262301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 262401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 262501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 262601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 262701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 262801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 262901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 263001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 263101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 263201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 263301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 263401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 263501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 263601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 263701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 263801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 263901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 264001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 264101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 264201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 264301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 264401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2645f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 26460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 26470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 26480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 26490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 26500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 26510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 26520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 26530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 26540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2655726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 26560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 26570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 26580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2659726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 26600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 26610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 26620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 2663726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy switch (paintCopy.getTextAlign()) { 26640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 26650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 26660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 26670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 26680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 26690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 26700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 26710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 26720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 26730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2674211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2675726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2676f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 26770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2678e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 26790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2680e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2681f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2682f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2683f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2684f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2685f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2686e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2687e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 26880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 26890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 26900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2691e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2692e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2693e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2694e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 26950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 26960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 26970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 26980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2699e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2700e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2701e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2702e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 27030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2704e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2705726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2706e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2707726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 27080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 27110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2712026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 27131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2714d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 271506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2716d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2717d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2718d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 271970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 272015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 272170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 272270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 272370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 272470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 272570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 272670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 272770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 272870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 272970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 273070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2731c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2732c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2733c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2734c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 273582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 27368164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 273782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 273882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 273982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 274082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2741d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 27428164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2743211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 27446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 27456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 27466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2747d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 27486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 27496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 27506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 27516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2752d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 27536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 27546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 27556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 27566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 275785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 275885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2759bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2760a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2761a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 276203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2763f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2764f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2765f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2766a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 27676820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 27685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 27698694230ff25fa0a60e480d424843e56b718f0516Romain Guy 277070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 277170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 277270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 277370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 277470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 277570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 277670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 277770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2778db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 27795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 278070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 278103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 278270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2783db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 278486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 278570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 278670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 278770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2788db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 27896820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 279070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 279170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 279282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 279382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2794a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2795f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 279682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 2797c189ef53220059acf2adedc92ac4ac7e6a993e6bRomain Guy 279882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 279982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 280082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 280182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 280282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 280382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 2804211370fd943cf26905001b38b8b1791851b26adcRomain Guy if CC_UNLIKELY((mode > SkXfermode::kScreen_Mode)) { 2805211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 2806a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2807f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2808a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 280982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 281082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 281182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 281282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 281382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 281482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 281582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 281682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 2817a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 281882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 281982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 282082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 282182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 282282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 282382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 282482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 282582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 282682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 282782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 282882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 282982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 283082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 283182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2832fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 283382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 283482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2835fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2836bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2837bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2838889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2839d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2840fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2841d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2842fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 28436926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2844260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 28456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2846260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2847260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2848026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2849ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 285082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 285182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 285282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 285382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 28548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 28558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 28565c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 28578ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 28582ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy *mode = getXfermode(paint->getXfermode()); 28598ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 28608ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 28618ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 28628ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 28638ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 28648ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 28658ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 28668ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 28678ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 28688ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 28698ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 28708ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2871db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 2872026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2873026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2874a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2875d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger SkXfermode::Mode resultMode; 2876d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger if (!SkXfermode::AsMode(mode, &resultMode)) { 2877d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger resultMode = SkXfermode::kSrcOver_Mode; 2878a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2879d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger return resultMode; 2880a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2881a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 28829d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2883e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2884