OpenGLRenderer.cpp revision ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47
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; 2508f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy size_t count = functors.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 2818f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy return result; 2828f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy} 2838f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 2848f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guystatus_t OpenGLRenderer::callDrawGLFunction(Functor* functor, Rect& dirty) { 285daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 286f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 287f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 288f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 289d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 29080911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 29180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 29280911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 293d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 294d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 295d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 296d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 297d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 298d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 299d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 300d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 30108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 30208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 30308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 30408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 30508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 30608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 3077b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.width = getSnapshot()->viewport.getWidth(); 3087b6a75872bd2df96a23453d31c2e2e7fcc373554Chet Haase info.height = getSnapshot()->height; 30908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 31080911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 3118f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy status_t result = (*functor)(DrawGlInfo::kModeDraw, &info); 312cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 3138f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy if (result != DrawGlInfo::kStatusDone) { 31408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 315cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 3168f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy 31765924a3e56c2e7ac863f8e25e9f9a58b9db7d513Chris Craik if (result & DrawGlInfo::kStatusInvoke) { 318ba6be8a62dcdb3ffd210cd36b9af4e3a658eac47Romain Guy mFunctors.add(functor); 3198f3b8e32993d190a26c70c839a63d8ce4c3b16d9Romain Guy } 320cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 321cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 322daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 3236554943a1dd6854c0f4976900956e556767b49e1Romain Guy return result; 324daf98e941e140e8739458126640183b9f296a2abChet Haase} 325daf98e941e140e8739458126640183b9f296a2abChet Haase 326f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 327f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 328f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 329f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 330bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 3317ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 332bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 333bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 334bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 3358aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 336bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 337bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 338bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 3392542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 3402542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3417ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 342bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 343bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 344bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 3458fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 346bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3478fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 3482542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 3497ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 350bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 351bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 3528aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 3538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 3548fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 355bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 356bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 357bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 3587ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 359bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 360eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 361bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 362bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 3637ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 364bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 365eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 366eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 367eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 368eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 369eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 370eb99356a0548684a501766e6a524529ab93304c8Romain Guy 3718b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 3728b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 3738b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 3742542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 375746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 3768fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 3772542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 3785ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 3795ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 3805ec9924d24495822b589f1a17996655d66273b30Romain Guy } 3815ec9924d24495822b589f1a17996655d66273b30Romain Guy 3822542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 383d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 3845cbbce535744b89df5ecea95de21ee3733298260Romain Guy 385f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 386bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 387bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 388bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 389bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 3905c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 391eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 392eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 393d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 394af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 395e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 396e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 397e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 398e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 399e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 400e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 401e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 402e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 403e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 404e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 405e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 406e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 407e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 408a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 409a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 410e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 411d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 412d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 413dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 414dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 415d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 416d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 417bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 418bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 419bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 420bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 4215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 4228aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 4238b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 4248aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 4258aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 4268aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 4278b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 428d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 429bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4301c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 4311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 4321c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 4331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 4341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 4351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 4361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 4371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 4391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 4401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 4411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 4421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 4431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 4441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 4451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 4476b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 4486b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 4496b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 4506b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 4511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 4531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 4541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 45587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 4561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 4571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 4581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 4601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 4611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 4621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 4631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 4641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 4661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 4671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 4681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 4691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 4701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 4711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 4731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 4741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 47587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 47687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 47787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 47887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 47987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 4801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 481d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 482eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 483eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 484eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 485fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 486dda570201ac851dd85af3861f7e575721d3345daRomain Guy 487eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 488eb99356a0548684a501766e6a524529ab93304c8Romain Guy 489f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 4908aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 4917b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 492eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 493ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 494eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 495ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 496ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 497ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 498ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 499ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 500ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 501ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 502ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 503ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 504ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 505ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 506ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 507ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 508eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 509bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 510746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 511746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 51232963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 513dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 514e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 515dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 516dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 517dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 518af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 519b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 520b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 521dda570201ac851dd85af3861f7e575721d3345daRomain Guy 522a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 5238550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 524f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 525f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 526bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 527bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 5298aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 5309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 5319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 5329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 533a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase layer->setBlend(true); 534dda570201ac851dd85af3861f7e575721d3345daRomain Guy 5358fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 5368fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 537dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 5381d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 539eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 5405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 541eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 542eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 5439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 544514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 5459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 5479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.left, snapshot->height - bounds.bottom, 5489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 5499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 550514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 551514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 552514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 553514fb18827186591d66973c2362c859b64b63556Romain Guy } 5547b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 55554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 55654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 557ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 558eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 559f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 560d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 561bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 562bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 5635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 5645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 5659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 5665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 5685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 5695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 5705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 5735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 5745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 5755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 5775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 5795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 5805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 5825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 5845ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 5855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 5879ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy snapshot->fbo = layer->getFbo(); 5885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 5895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 5905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 5915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 5925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 5935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 5945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 5969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 5979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 6009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 6019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 6029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 6035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 6069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 6075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 6113762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Framebuffer incomplete (GL error code 0x%x)", status); 6125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 6149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 6185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 6248f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 6255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 6265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 6275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 6295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 6315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 6325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 6335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 6355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 6381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 6391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 6401d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 6411d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 6423762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 6431d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 6441d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6451d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 647eb99356a0548684a501766e6a524529ab93304c8Romain Guy 648eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 649e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy // Detach the texture from the FBO 650e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 651e0aa84b7dc087e999e20055dcc04cb6a48d5bd62Romain Guy 652eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 653eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 654eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 655eb99356a0548684a501766e6a524529ab93304c8Romain Guy 6561d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 6571d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 6581d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 660f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 6619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 6639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 664f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 665f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 66603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 6678b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 668a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 6695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 6715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 672eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 6749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 6759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 676171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 6789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 679171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 680171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 6829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 6839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 684eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 6851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 686eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6879c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 6889c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 6899c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 6909c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 6919c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 692eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 693eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 6945c88fc744db977ef26887df9605beaa409394806Romain Guy layer->setFbo(0); 695eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 696eb99356a0548684a501766e6a524529ab93304c8Romain Guy 697746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 698746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 699eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 7008550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 7011d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 7029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 7031d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 7041d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 7051d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 7061d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 707aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 7089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 709aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 710302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 711302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 712302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 713302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 714302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 715302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 716aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 7179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7188f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 7198f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7208f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 7218f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 7228f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 723aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 724aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 7259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 726aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 727aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 728aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 7299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 7309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7318f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 7329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 7338f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 734ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 735ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 736ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 7379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 740d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 743d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 7459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 747aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 748aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 749aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 750aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 751aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 752302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 753302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 754302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 755302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 756aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 757aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 7585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 7599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 760aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 761aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 762aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 7635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 7659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 766b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 767ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 768b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 769b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 770b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 7719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 7729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 7739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 777d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 7789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 779d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 7809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 7829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 7839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 7849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 7859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 7869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 7875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 788aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 789aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 790aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 791aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 792aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 793aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 7945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 7975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 7985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 7999fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 8009fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 80140667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 8029fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 8035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 8055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8078a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 8088a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 809211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 8105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 8115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 8125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 8149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 8159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 816f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 8175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 8195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 8205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8217230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 8227230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 8237230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 824ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 8259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 8267230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 8277230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 8287230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 829ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 8309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 8319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 8329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 8339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 8349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 835d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 8369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 8379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 838d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 8399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 8409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 84115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 8425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 8455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 847f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 8485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 849f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 8505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 8535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 8545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 8555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 8565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 8585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 8605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 8625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 8635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 8675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8707230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 8715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8733a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 8795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 8805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8833a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 8843a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8853a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 8863a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 8873a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8883a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 8893a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 8903a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 8913a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 8923a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8933a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 8943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 8953a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8963a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 8973a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 8983a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 8993a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 9003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9023a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 9033a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 9043a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 9053a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 9063a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 9073a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 9083a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 9095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 9115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 912f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 9145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 915f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 9205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 9215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 9225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 923f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 9245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 925f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 9261bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 9271bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 9281bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 9291bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 9301bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 9311bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 9321bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 9331bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 9341bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 9351bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 9361bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 9375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 9395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 9405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 9415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 94254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 94354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 94454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 94554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 94654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 94754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 94854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 94954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 95054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 95154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 95254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 95354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 95454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDisable(GL_SCISSOR_TEST); 95554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 95654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 95754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 95854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 95954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 96054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 96154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 96254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 96354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 96454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 96554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 96654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 96754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 96854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 96954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 97054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 97154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 97254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 97354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 97454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 97554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 97654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 97754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 97839d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 97954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 98154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glEnable(GL_SCISSOR_TEST); 98354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 98454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 98554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 98654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 98754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 98854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 98954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 99054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 99154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 992bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 993f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 994f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 995f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 996f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 9978aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 998f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 999f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1000f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 10018aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 1002f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1003f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1004f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 10058aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 1006f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1007f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1008807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 1009807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 1010807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 1011807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 1012f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 1013e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 1014e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 1015e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 1016e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 1017e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 1018f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1019f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1020f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 10218aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 1022f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1023f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1024f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 1025e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 1026e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 1027e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 1028e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 1029f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 1030f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1031f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1032f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 1033f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1034f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1035bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 1036e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 1037e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 10388f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 10398f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 10408f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy clip.getWidth(), clip.getHeight()); 10418f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 1042746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 10439d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 10449d5316e3f56d138504565ff311145ac01621dff4Romain Guy 10459d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 1046079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 1047bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 1048bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1049c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 1050af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 1051dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 1052dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 1053dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 10541d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 10558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 1056d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 1057d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1058d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 1059d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 1060d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 1061d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 1062c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 1063c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 1064079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 1065079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 10667ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 1067746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 10687ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 10698aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1070e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1071e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1072a23eed808a1ae4ec0d818c0a9238385e797fd056Chet HaaseRect* OpenGLRenderer::getClipRect() { 1073a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase return mSnapshot->clipRect; 1074a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase} 1075a23eed808a1ae4ec0d818c0a9238385e797fd056Chet Haase 1076f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 107770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 107870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 107970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 108054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 108154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 108270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 108370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 108470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 108570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 108670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 108770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 108870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 108970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 109070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 109170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 109270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 109370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 109470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 109570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 109670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 109770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1098aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1099aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1100aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1101aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 110215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 110315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 110415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 110515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 11065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 110799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 11085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1110ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1111ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1112ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1113ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1114ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 111570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 11168d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 11178d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11188d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 11198d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 11208d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 1121db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase mColorA *= mSnapshot->alpha; 11226cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 11236cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 112470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1125fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1126fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1127fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 112870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 112970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 113070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 113170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 113286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 113386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 11346cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 11356cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 113686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 113786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 113886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 113986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 114086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 114186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 114286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 114386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 114470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 114570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 114670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 114770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 114870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 114970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 115070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 115170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 115270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 115386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 115486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 115586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 115686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 115786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 115886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 115986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 116086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 116186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 116270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 116370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 116470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 116570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 116670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 116770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 116870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 116970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 117070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 117170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 117270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 117370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1174f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1175f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1176f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1177f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 117854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1179f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1180f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1181f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 118270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1183f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1184f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1185f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 118670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 118770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 118870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 118970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 119070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1191f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1192f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1193f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 119470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 119570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 119670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 119870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 119970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 120070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 120270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 120370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 120670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 120770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 120870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 120970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 121070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 121170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 121270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 121370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 121470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 121570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 121670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 12198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 12208d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12218d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 122270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 122370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 122470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 122570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 122670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 122770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 122870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 122970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 123086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 123186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 123286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 123386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 123486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 123586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 123686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 123786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 123886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 123986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 124070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1242ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1243ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1244ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1245ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1246ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 124770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 124855fd2c9b2e87986b03cb58676bdf46bc6d5f1c36Romain Guy if ((mColorSet && !mShader) || (mShader && mSetShaderColor)) { 124970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 125070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 125170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 125270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 125386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 12545536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 125586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 12565536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 12575536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 12585536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 125970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 126070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 126170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 126270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 126370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 126470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 126570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 126670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 126770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12688d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 12698d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 12708d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 12718d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 12728d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12738d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 127470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 127570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 127670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 127770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 127870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 127970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 128070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1281f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1282f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 128315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 128470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 128570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 128670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 128770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 12882d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 128915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 129070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 129170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1292aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1293aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 12942d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 129515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1296aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1297aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 12988f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 12998f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 13008f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 13018f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 13028f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1303aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1304aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1305aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1306aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 130770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1308f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 130970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1310f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 131170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1312f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 131370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1314d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1315f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 131615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 131715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 131815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 131915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 132015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 132115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 132215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 132315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 132415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 132515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 132615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 132715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 13288d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 132970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 133070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1332f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1333f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1334f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 133515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 13365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 13385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 13395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 134099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 134199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 134299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 134399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 134499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 134599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 134699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 134799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 13485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 134999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 13507b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy GLvoid* lengthCoords, float boundaryWidthProportion, int& widthSlot, int& lengthSlot) { 1351f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1352f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1353f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1354f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 135515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1356d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13577b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 135899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 135999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1360d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 136299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 136399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1364d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 13655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 136699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 1367d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 136899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 13695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 13707b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glUniform1f(inverseBoundaryWidthSlot, 1.0f / boundaryWidthProportion); 13717b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy} 13727b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 13737b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guyvoid OpenGLRenderer::finishDrawAALine(const int widthSlot, const int lengthSlot) { 13747b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(widthSlot); 13757b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glDisableVertexAttribArray(lengthSlot); 13765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 13775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 137870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 137970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 138070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 138170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1382f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1383f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1384f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 13851271e2cc80b01d577e9db339459ef0222bb9320dChet Haasestatus_t OpenGLRenderer::drawDisplayList(DisplayList* displayList, 138633f6beb10f98e8ba96250e284876d607055d278dRomain Guy Rect& dirty, int32_t flags, uint32_t level) { 1387b85967b9af76e1e60f7a96603e2567a6449d2e04Chet Haase 13880fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 13890fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 139004c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 13911271e2cc80b01d577e9db339459ef0222bb9320dChet Haase return displayList->replay(*this, dirty, flags, level); 13920fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 13937b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 13946554943a1dd6854c0f4976900956e556767b49e1Romain Guy return DrawGlInfo::kStatusDone; 13950fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 13960fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1397ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1398ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1399ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1400ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1401ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1402ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1403a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1404a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1405a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1406a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1407a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1408a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1409a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1410a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1411e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1412a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1413a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1414a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1415a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1416a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1417e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1418d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1419d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1420a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1421a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1422a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1423a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 14245b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 14255b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 14265b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1427a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1428a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1429a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1430a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1431a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1432e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1433a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1434d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1435d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1436e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1437a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1438a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1439a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1440a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1441a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1442a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1443a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1444a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1445a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1446a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 14475c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 14486926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 14496926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 14506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 14516926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 14526926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14536926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1455a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14568164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14579cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 145822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 145922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1460211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(bitmap->getConfig() == SkBitmap::kA8_Config)) { 1461a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1462a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1463a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1464a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 14658ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 14668ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 14675c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1468f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1469f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1470f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1471f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 14726926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 14736926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14746926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14756926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1476a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14778164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14789cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 147922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 148022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 14815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 14825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 14835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 14845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 14855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 14865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1487f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1488f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 14895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 14905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 14915a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 14925a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 14935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 14945a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14955a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1496a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 14995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1500e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1501d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1502d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 15035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 15055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 15065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 15075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 15095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1510b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1511b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1512b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1513b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1514b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1515b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1516211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 1517b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1518211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 1519b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1520b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1521a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1522a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 15235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 15245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 15255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 15265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 15275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 15295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 15305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 15315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 15325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 15345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 15355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 15365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 15375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 15385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 15395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 15405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 15415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 15445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 15455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 15475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 15485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1549b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1550b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1551b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1552b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1553b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1554b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1555b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1556b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1557b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1558b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 15595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 15615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1562b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1563b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1564b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1565b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1566b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1567b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 15685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 15695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1570b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 15715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 15725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 15738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 15748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 15758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 15765c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 15776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 15786926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 15796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15806926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1581a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15828164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15839cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 158422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 15858ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 15868ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 15878ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1588c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 15896816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 15906816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 15916816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 15926816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1593c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 159403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 15958ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 15968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 159703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 159803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 159903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 160003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1601d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1602d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 1603211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 16046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 16056620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 16066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1607b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1608631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1609631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1610d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1611b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1612b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1613d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 16146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 16156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 16166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 16186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1619d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 16206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 16216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 16226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 16236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16248ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 16258ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1626ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1627ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 16284aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 16294bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 16305c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 16316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 16326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 16336926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 16346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1635a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 16368164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 16379cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 163822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1639d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1640d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1641f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1642f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1643f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1644f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1645f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 16462728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 16474bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1648f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1649211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mesh && mesh->verticesCount > 0)) { 16506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1651a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 16525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 16538168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1654c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1655c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 16565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 16575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 16588ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 1659211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 1660c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1661c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1662c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 16636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1664c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1665c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 16666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 16685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1669a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 16705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 1671211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 16726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 16736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 16746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 16756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 16766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 16776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 16786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 16796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 16806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 16816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 16826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 16836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 16846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1685054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1686f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1687f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 168899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1689858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1690858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1691858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1692858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1693858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1694858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1695181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1696858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1697858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 1698858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1699211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 1700858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1701858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1702858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1703858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1704858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1705858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1706858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1707858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1708858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1709858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1710858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1711858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1712858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1713858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDraw(); 171415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 1715858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine(); 1716858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColor(color); 1717858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilter(); 1718858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShader(); 1719858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawBlending(true, mode); 1720858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawProgram(); 1721858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawModelViewIdentity(true); 1722858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorUniforms(); 1723858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilterUniforms(); 1724858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShaderIdentityUniforms(); 1725858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1726858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex rects[4]; 1727858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex* aaVertices = &rects[0]; 1728858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 1729858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 1730858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1731858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1732858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1733858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1734858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1735858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1736858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1737858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1738858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1739858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1740858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float width = right - left; 1741858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float height = bottom - top; 1742858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 17437b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 17447b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 17457b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1746858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 1747858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 17487b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 17497b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 17507b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1751858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 1752858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 1753858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 17547b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy glUniform1f(inverseBoundaryLengthSlot, (1.0f / boundaryHeightProportion)); 1755858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1756858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!quickReject(left, top, right, bottom)) { 1757858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1758858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1759858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1760858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1761858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1762858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 1763858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 17647b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 17657b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 1766858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1767858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1768858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 176999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 177099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 177199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 177299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 177399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 177499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 177599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 177699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 177799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 177899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 177999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 178099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 178199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 178299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 178399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 178499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 178599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 17868a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 17878a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (mSnapshot->isIgnored()) return; 17888a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17898a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 179099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 179199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 179299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 17938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 17948a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 17958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 17967b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 179799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 179899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 179999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 18007b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18018a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 18028a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 18037b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18048a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 18055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 18065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1807c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 180899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 180999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 181099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 181199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 181299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 181399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 181499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 1815211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!mSnapshot->transform->isPureTranslate())) { 181699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 181799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 181899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 181999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 182099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 182199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 182299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 18237b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1824211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleX = sqrtf(m00 * m00 + m01 * m01); 1825211370fd943cf26905001b38b8b1791851b26adcRomain Guy float scaleY = sqrtf(m10 * m10 + m11 * m11); 18267b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 182799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 182899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 18297b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 183099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 183199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 183299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 183399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 18345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 18378a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 183815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 18398a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 18408a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 18418a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 18428a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 18438a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 18448a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 1845211370fd943cf26905001b38b8b1791851b26adcRomain Guy setupDrawBlending(isAA, mode); 18468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 18478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 18488a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 18498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 18508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 18518a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 18528a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 18538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 185499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 185599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 18565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 185799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 18585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18597b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18607b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int widthSlot; 18617b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy int lengthSlot; 18627b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 18645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 18657b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 186699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 186799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 18687b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 1869211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(!isAA)) { 18705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 18715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 187299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 187399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 187499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 18755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 18765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 187799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 187899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 187999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 18807b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, 18817b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy boundaryWidthProportion, widthSlot, lengthSlot); 18825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 188499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 188599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1886740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 188799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 188899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 188999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 189099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 18917b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 18925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 18935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 18945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 18955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 18967b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 189799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 189899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 189999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 19005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 190299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 19038a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19048a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 19058a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 19068a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 19078a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 19088a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 19098a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 19108a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 19125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19137b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 191499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 191599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 191699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 191799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 191899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 191999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 192099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 192199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 192299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 192399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 19247b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 192599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 192699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 192799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 192899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 19295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19307b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 19325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 19335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 19345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 193599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 193699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 193799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 193899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 193999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 19407b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 194199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 194299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 194399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 194499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 194599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 194699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 194799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 194899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 19497b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 195099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 195199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 195299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 195399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 195499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 19555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 19565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 19575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 19585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 19595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 19605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 196199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 19625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 19635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 19645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 19655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 19665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 19675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 19685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 19695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 19705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 19715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 19725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 19735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 19745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 19755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 19765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 19775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19787b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 19805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 19815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 19825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 19837b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 19845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 19855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 19865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 198799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 198899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 198999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 199099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 199199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 199299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 199399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 199499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 199599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 19967b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 199799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 199899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 199999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 20007b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 200199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 200299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 200399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 200499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 200599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 20067b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 200799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 200899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 200999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 20105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 20115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 20125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 20135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 20145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 201599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 201699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 201799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 20185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 20195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20207b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 202199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 202299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 202399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 202499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 20257b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 20275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 20285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20297b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 203099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 203199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 203299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 20335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20357b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 20375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 20385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 20397b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20407b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy if (isAA) { 20417b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy finishDrawAALine(widthSlot, lengthSlot); 20427b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy } 20435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 20445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 2045ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 2046ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 2047ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2048ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 2049ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 2050ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 20515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 2052ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 20538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 2054ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 20558a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 20568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 20578a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 20588a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 20598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 2060ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 2061ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 2062ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2063ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2064ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 2065ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 2066ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2067ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 2068ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 2069ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2070ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 207115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 20728a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 2073ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 2074ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 2075ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 2076ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 2077ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 20788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 2079ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 2080ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 2081ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 2082ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 2083ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 2084ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2085ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 2086ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 2087ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 20887b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20898a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 20908a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 20918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 20928a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 20937b63142d2f4bc32beacedcc761453b8aea1f3a86Romain Guy 20948a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 2095ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 2096ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 2097ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 2098ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 2099ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 210085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 2101e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 2102af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2103e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 2104ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 2105ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 210670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 21073d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 2108c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 21099d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2110c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 211101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 211201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 211301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 211401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 211501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 211601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 211701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 211801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 211901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2120c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2121c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 212201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 212301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2124a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2125c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2126c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2127c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2128c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 212901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2130c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2131c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2132c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2133a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 213401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2135c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 2136c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 213701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2138c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 2139c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 214001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2141a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2142c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2143c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2144c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2145c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 21468b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 21478b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 21488b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 21498b2f5267f16c295f12faab810527cd6311997e34Romain Guy 21508b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 21518b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 21528b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 21538b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 21548b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2155a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 21568b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 21578b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 21588b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 21598b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 21608b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2161c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2162c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2163c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2164c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2165a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2166c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2167c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 216801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 216901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 21705c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2171c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2172c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 2173c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 2174c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2175c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 21766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 21776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 21786926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 21796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2180026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2181746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2182a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2183a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2184a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2185a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2186a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2187a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2188a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2189026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2190026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2191026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2192181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2193858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2194858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2195858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2196858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2197c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 21989d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2199eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guyvoid OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2200eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2201671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2202671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2203eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy return; 2204eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2205eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2206671d6cf460531825a321edb200523d0faa7792c9Romain Guy // NOTE: Skia does not support perspective transform on drawPosText yet 2207671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!mSnapshot->transform->isSimple()) { 2208671d6cf460531825a321edb200523d0faa7792c9Romain Guy return; 2209671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2210671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2211671d6cf460531825a321edb200523d0faa7792c9Romain Guy float x = 0.0f; 2212671d6cf460531825a321edb200523d0faa7792c9Romain Guy float y = 0.0f; 2213671d6cf460531825a321edb200523d0faa7792c9Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2214671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate) { 2215671d6cf460531825a321edb200523d0faa7792c9Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 2216671d6cf460531825a321edb200523d0faa7792c9Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 2217671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2218671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2219671d6cf460531825a321edb200523d0faa7792c9Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2220671d6cf460531825a321edb200523d0faa7792c9Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2221671d6cf460531825a321edb200523d0faa7792c9Romain Guy paint->getTextSize()); 2222671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2223671d6cf460531825a321edb200523d0faa7792c9Romain Guy int alpha; 2224671d6cf460531825a321edb200523d0faa7792c9Romain Guy SkXfermode::Mode mode; 2225671d6cf460531825a321edb200523d0faa7792c9Romain Guy getAlphaAndMode(paint, &alpha, &mode); 2226671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2227671d6cf460531825a321edb200523d0faa7792c9Romain Guy // Pick the appropriate texture filtering 2228671d6cf460531825a321edb200523d0faa7792c9Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 2229671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (pureTranslate && !linearFilter) { 2230671d6cf460531825a321edb200523d0faa7792c9Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 2231671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2232671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2233671d6cf460531825a321edb200523d0faa7792c9Romain Guy mCaches.activeTexture(0); 2234671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDraw(); 2235671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawDirtyRegionsDisabled(); 2236671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawWithTexture(true); 2237671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 2238671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilter(); 2239671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShader(); 2240671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawBlending(true, mode); 2241671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawProgram(); 2242671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 2243671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 2244671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawPureColorUniforms(); 2245671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawColorFilterUniforms(); 2246671d6cf460531825a321edb200523d0faa7792c9Romain Guy setupDrawShaderUniforms(pureTranslate); 2247671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2248671d6cf460531825a321edb200523d0faa7792c9Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 2249671d6cf460531825a321edb200523d0faa7792c9Romain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 2250671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2251671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2252211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 2253671d6cf460531825a321edb200523d0faa7792c9Romain Guy#else 2254211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 2255671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2256671d6cf460531825a321edb200523d0faa7792c9Romain Guy 2257671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (fontRenderer.renderPosText(paint, clip, text, 0, bytesCount, count, x, y, 2258671d6cf460531825a321edb200523d0faa7792c9Romain Guy positions, hasActiveLayer ? &bounds : NULL)) { 2259671d6cf460531825a321edb200523d0faa7792c9Romain Guy#if RENDER_LAYERS_AS_REGIONS 2260671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (hasActiveLayer) { 2261671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (!pureTranslate) { 2262671d6cf460531825a321edb200523d0faa7792c9Romain Guy mSnapshot->transform->mapRect(bounds); 2263671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2264671d6cf460531825a321edb200523d0faa7792c9Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 2265671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2266671d6cf460531825a321edb200523d0faa7792c9Romain Guy#endif 2267671d6cf460531825a321edb200523d0faa7792c9Romain Guy } 2268eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2269eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2270e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2271cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy float x, float y, SkPaint* paint, float length) { 2272671d6cf460531825a321edb200523d0faa7792c9Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 2273671d6cf460531825a321edb200523d0faa7792c9Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 2274e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 2275e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2276e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2277a1cff5043d0fbd78fcf9c48e7658e56a5b0c2de3Chet Haase if (length < 0.0f) length = paint->measureText(text, bytesCount); 2278e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2279e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2280e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2281e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2282e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2283e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2284e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2285e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2286e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2287e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2288e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2289cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2290cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 229133f6beb10f98e8ba96250e284876d607055d278dRomain Guy if (quickReject(x, y + metrics.fTop, x + length, y + metrics.fBottom)) { 2292cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy return; 2293cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2294cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 22953a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 22963a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 22976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 2298211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(pureTranslate)) { 22996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 23006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 23016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2303ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 23045baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("OpenGLRenderer drawText() with FontID=%d", SkTypeface::UniqueID(paint->getTypeface())); 2305ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2306eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2307eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2308b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2309fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2310e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 231186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 231286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 231386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 23149d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 2315211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mHasShadow)) { 23162d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mCaches.activeTexture(0); 23172d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy 2318b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 231967ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get( 232067ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint, text, bytesCount, count, mShadowRadius); 23211e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 23220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2323740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 2324740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 232586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 232686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 2327740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 2328740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 2329740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 2330740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 233186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 233286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 233386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 2334740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2335740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 2336740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 233786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 233886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2339740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 234086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 234186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 2342740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 2343740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 234486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 23450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 23471e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 23481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 23506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 23516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 23526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 23536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 23545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2355a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 235686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 235786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 235886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 235986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 236086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 236186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 236286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 236386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 236486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 236586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 236686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 236786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 236886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 236906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 23706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 23715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 23725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 23735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2374211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = hasLayer(); 23755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 2376211370fd943cf26905001b38b8b1791851b26adcRomain Guy const bool hasActiveLayer = false; 23775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 2378894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 23796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 2380f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 23815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2382f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 23836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 23846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 23856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2386f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 23875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 23885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 23895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2390694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 23913a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2392694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2393694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2394325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guyvoid OpenGLRenderer::drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, 2395325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy float hOffset, float vOffset, SkPaint* paint) { 239603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy if (text == NULL || count == 0 || mSnapshot->isIgnored() || 239703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy (paint->getAlpha() == 0 && paint->getXfermode() == NULL)) { 239803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy return; 239903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy } 240003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 240103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 240203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 240303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy paint->getTextSize()); 240403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 240503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy int alpha; 240603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy SkXfermode::Mode mode; 240703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy getAlphaAndMode(paint, &alpha, &mode); 240803d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 240903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy mCaches.activeTexture(0); 241003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDraw(); 241103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawDirtyRegionsDisabled(); 241203d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawWithTexture(true); 241303d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 241403d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilter(); 241503d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawShader(); 241603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawBlending(true, mode); 241703d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawProgram(); 24189777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawModelView(0.0f, 0.0f, 0.0f, 0.0f, false, true); 241903d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawTexture(fontRenderer.getTexture(true)); 242003d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawPureColorUniforms(); 242103d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy setupDrawColorFilterUniforms(); 24229777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy setupDrawShaderUniforms(false); 24239777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 24249777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const Rect* clip = &mSnapshot->getLocalClip(); 24259777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 242603d58520c3eb6bb7efb7235bfd957550533d6725Romain Guy 24279777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 24289777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = hasLayer(); 24299777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#else 24309777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy const bool hasActiveLayer = false; 24319777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 24329777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy 24339777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (fontRenderer.renderTextOnPath(paint, clip, text, 0, bytesCount, count, path, 24349777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy hOffset, vOffset, hasActiveLayer ? &bounds : NULL)) { 24359777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#if RENDER_LAYERS_AS_REGIONS 24369777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy if (hasActiveLayer) { 24379777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy mSnapshot->transform->mapRect(bounds); 24389777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy dirtyLayerUnchecked(bounds, getRegion()); 24399777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 24409777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy#endif 24419777173eb6c9eb97c7921c8288ebc65e3ab3ce6fRomain Guy } 2442325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy} 2443325740fb444af8fc7fb0119b2e30ce322c2ae134Romain Guy 24447fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2445af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2446dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2447a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 24487fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 244933f6beb10f98e8ba96250e284876d607055d278dRomain Guy // TODO: Perform early clip test before we rasterize the path 2450fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 24519cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 245222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 24537fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 24548b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 24558b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 24568b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 245701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 24587fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 24597fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2460ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2461ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 24626c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 24636c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 24646c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 24652bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy if (layer->deferredUpdateScheduled && layer->renderer && layer->displayList) { 24662bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy OpenGLRenderer* renderer = layer->renderer; 24672bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy Rect& dirty = layer->dirtyRect; 24682bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 24692bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy interrupt(); 24702bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->setViewport(layer->layer.getWidth(), layer->layer.getHeight()); 24712bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->prepareDirty(dirty.left, dirty.top, dirty.right, dirty.bottom, !layer->isBlend()); 24721271e2cc80b01d577e9db339459ef0222bb9320dChet Haase renderer->drawDisplayList(layer->displayList, dirty, DisplayList::kReplayFlag_ClipChildren); 24732bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy renderer->finish(); 24742bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy resume(); 24752bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 24762bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy dirty.setEmpty(); 24772bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->deferredUpdateScheduled = false; 24782bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->renderer = NULL; 24792bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy layer->displayList = NULL; 24802bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy } 24812bf68f063b0077ddef6ebfe54f2ae5e063c2c229Romain Guy 2482a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 24836c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 24846c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 24856c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 24866c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 24876c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 24889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 24896c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2490f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2491211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(!layer->region.isEmpty())) { 2492c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 249340667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2494c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 24958168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2496c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2497c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2498c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2499c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 25008168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2501c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 25029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2503c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2504c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2505c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 25069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 2507211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 25089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 25099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 25109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2511d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 25129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 25139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), true); 25149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2515d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 25169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 25179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 25189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2519c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2520c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2521c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2522c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2523c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2524c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 25253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 25263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 25273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 25283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2529c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2530f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2531f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2532ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2533ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2534f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 25356c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 25366c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 25376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2538d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2539d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2540d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2541d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 254206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 254306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 254406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 254506f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 254606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 254706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2548fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 254906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 25507fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 25517fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2552d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2553db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2554db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2555db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2556db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2557db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2558db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2559db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2560db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2561db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2562db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2563db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2564db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 25651e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 25661e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 25671e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 25681e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 25691e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 25701e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 25711e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 25721e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 25731e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 25741e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 25751e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 25761e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 25771e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 25781e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 25791e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 25801e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 25815ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy// Draw filters 25825ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 25835ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 25845ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::resetPaintFilter() { 25855ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = false; 25865ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 25875ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 25885ff9df658230d49e42c43586997a02d8e4dd417eRomain Guyvoid OpenGLRenderer::setupPaintFilter(int clearBits, int setBits) { 25895ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mHasDrawFilter = true; 25905ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterClearBits = clearBits & SkPaint::kAllFlags; 25915ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mPaintFilterSetBits = setBits & SkPaint::kAllFlags; 25925ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 25935ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 25945ff9df658230d49e42c43586997a02d8e4dd417eRomain GuySkPaint* OpenGLRenderer::filterPaint(SkPaint* paint) { 2595dd7c8e4c68205d39109d4317dd0c9b05ed43e8e5Romain Guy if (CC_LIKELY(!mHasDrawFilter || !paint)) return paint; 25965ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 25975ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy uint32_t flags = paint->getFlags(); 25985ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 25995ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint = *paint; 26005ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy mFilteredPaint.setFlags((flags & ~mPaintFilterClearBits) | mPaintFilterSetBits); 26015ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26025ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy return &mFilteredPaint; 26035ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy} 26045ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy 26055ff9df658230d49e42c43586997a02d8e4dd417eRomain Guy/////////////////////////////////////////////////////////////////////////////// 26066926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 26076926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 26086926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 260901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 261001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 261101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 261201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 261301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 261401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 261501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 261601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 261701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 261801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 261901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 262001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 262101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 262201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 262301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 262401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 262501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 262601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 262701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 262801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 262901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 263001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 263101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 263201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 263301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 263401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 263501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 263601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 263701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2638f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 26390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 26400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 26410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 26420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 26430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 26440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 26450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 26460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 26470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2648726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 26490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 26500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 26510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2652726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 26530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 26540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 26550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 2656726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy switch (paintCopy.getTextAlign()) { 26570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 26580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 26590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 26600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 26610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 26620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 26630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 26640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 26650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 26660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2667211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(underlineWidth > 0.0f)) { 2668726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2669f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 26700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2671e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 26720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2673e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2674f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2675f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2676f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2677f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2678f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2679e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2680e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 26810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 26820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 26830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2684e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2685e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2686e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2687e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 26880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 26890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 26900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 26910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2692e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2693e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2694e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2695e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 26960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2697e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2698726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2699e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2700726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 27010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 27030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 27040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2705026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 27061c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2707d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 270806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2709d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2710d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2711d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 271270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 271315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 271470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 271570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 271670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 271770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 271870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 271970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 272070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 272170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 272270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 272370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2724c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2725c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2726c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2727c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 272882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 27298164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 273082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 273182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 273282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 273382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2734d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 27358164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 2736211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_LIKELY(mSnapshot->transform->isPureTranslate())) { 27376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 27386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 27396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2740d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 27416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 27426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 27436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 27446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2745d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 27466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 27476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 27486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 27496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 275085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 275185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2752bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2753a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2754a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 275503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2756f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2757f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2758f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2759a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 27606820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 27615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 27628694230ff25fa0a60e480d424843e56b718f0516Romain Guy 276370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 276470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 276570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 276670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 276770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 276870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 276970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 277070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2771db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 27725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 277370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 277403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 277570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2776db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 277786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 277870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 277970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 278070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2781db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 27826820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 278370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 278470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 278582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 278682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2787a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2788f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 278982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 279082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 279182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 279282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 279382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 279482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 279582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 2796211370fd943cf26905001b38b8b1791851b26adcRomain Guy if CC_UNLIKELY((mode > SkXfermode::kScreen_Mode)) { 2797211370fd943cf26905001b38b8b1791851b26adcRomain Guy if (CC_UNLIKELY(mCaches.extensions.hasFramebufferFetch())) { 2798a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2799f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2800a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 280182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 280282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 280382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 280482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 280582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 280682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 280782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 280882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 2809a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 281082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 281182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 281282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 281382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 281482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 281582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 281682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 281782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 281882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 281982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 282082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 282182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 282282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 282382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2824fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 282582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 282682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2827fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2828bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2829bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2830889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2831d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2832fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2833d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2834fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 28356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2836260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 28376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2838260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2839260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2840026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2841ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 284282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 284382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 284482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 284582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 28468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 28478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 28485c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 28498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 28502ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy *mode = getXfermode(paint->getXfermode()); 28518ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 28528ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 28538ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 28548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 28558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 28568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 28578ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 28588ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 28598ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 28608ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 28618ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 28628ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2863db8c9a6a4d9bf8c39f834b25611926caf21380f6Chet Haase *alpha *= mSnapshot->alpha; 2864026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2865026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2866a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2867d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger SkXfermode::Mode resultMode; 2868d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger if (!SkXfermode::AsMode(mode, &resultMode)) { 2869d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger resultMode = SkXfermode::kSrcOver_Mode; 2870a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2871d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger return resultMode; 2872a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2873a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 28749d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2875e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2876