OpenGLRenderer.cpp revision eb9a5367e8f0e970db8509ffb2584f5376bc62ed
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 24694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 255cbbce535744b89df5ecea95de21ee3733298260Romain Guy 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 27e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 340fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 35a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 36e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 37e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 389d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 399d5316e3f56d138504565ff311145ac01621dff4Romain Guy 409d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy 44759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 45759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 46759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 47dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy// TODO: This should be set in properties 48dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy#define ALPHA_THRESHOLD (0x7f / PANEL_BIT_DEPTH) 49dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 50d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy#define FILTER(paint) (paint && paint->isFilterBitmap() ? GL_LINEAR : GL_NEAREST) 51d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 529d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 549d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 559d5316e3f56d138504565ff311145ac01621dff4Romain Guy 56889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 63889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 64889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 65026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 66026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 67026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 682ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 692ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 812ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 822ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 83026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 84e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 88f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1022ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1032ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 104f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 105f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 106f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 108f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 109f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 110fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 112db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 114026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 115ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 116ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 117ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 118e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 119e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12129d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12229d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 123e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 124e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 125f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 126f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 127f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 128f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 12985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 130260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 131bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 132bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 133bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 134eb99356a0548684a501766e6a524529ab93304c8Romain Guy 135eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 136eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 137746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1383e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glDisable(GL_DITHER); 13939d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy glEnable(GL_SCISSOR_TEST); 1403e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 14115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1423e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glEnableVertexAttribArray(Program::kBindingPosition); 143e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 144e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1456b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guyvoid OpenGLRenderer::prepare(bool opaque) { 1467d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1477d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1487d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1497d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guyvoid OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 150fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 151fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1528aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 15484962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1558fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 156f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 15739d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy glViewport(0, 0, mWidth, mHeight); 1588f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 15939d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy 1607d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 16139d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy mDirtyClip = false; 1627d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1636b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 1646b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 1656b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 166bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 167bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 168b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 169b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 170b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 171b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 1725baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("GL error from OpenGLRenderer: 0x%x", status); 173a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 174a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 1753762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE(" OpenGLRenderer is out of memory!"); 176a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 177a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 178b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 179b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 180c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 181c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 182e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 183e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 184e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 185e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 186c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 187b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 188b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 1896c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 190da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 191da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 192da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 193da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 194da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 195da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 19650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 19715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 198f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 19915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 200da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 201da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2026c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 20308837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 20408837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase 20508837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 2063e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2073e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 208da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 20982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.resetScissor(); 210746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 211da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 212a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 21308837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 21450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 21550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 21650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 21750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 21850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 219da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 220da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 221cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guybool OpenGLRenderer::callDrawGLFunction(Functor *functor, Rect& dirty) { 222daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 223f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 224f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 225f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 226d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 22780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 22880911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 22980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 230d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 231d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 232d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 233d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 234d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 235d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 236d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 237d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 23808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 23908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 24008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 24108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 24208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 24308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 24408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 24580911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 24608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy status_t result = (*functor)(0, &info); 247cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 248cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy if (result != 0) { 24908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 250cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 251cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 252cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 253daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 254cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return result != 0; 255daf98e941e140e8739458126640183b9f296a2abChet Haase} 256daf98e941e140e8739458126640183b9f296a2abChet Haase 257f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 258f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 259f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 260f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 261bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 2627ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 263bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 264bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 265bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 2668aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 267bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 268bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 269bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 2702542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 2712542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2727ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 273bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 274bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 275bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 2768fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 277bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2788fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 2792542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2807ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 281bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 282bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2838aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 2848aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 2858fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 286bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 287bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 288bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 2897ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 290bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 291eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 292bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 293bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 2947ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 295bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 296eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 297eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 298eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 299eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 300eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 301eb99356a0548684a501766e6a524529ab93304c8Romain Guy 3028b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 3038b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 3048b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 3052542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 306746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 3078fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 3082542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 3095ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 3105ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 3115ec9924d24495822b589f1a17996655d66273b30Romain Guy } 3125ec9924d24495822b589f1a17996655d66273b30Romain Guy 3132542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 314d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 3155cbbce535744b89df5ecea95de21ee3733298260Romain Guy 316f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 317bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 318bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 319bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 320bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 3215c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 322eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 323eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 324d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 325af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 326e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 327e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 328e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 329e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 330e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 331e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 332e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 333e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 334e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 335e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 336e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 337e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 338e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 339a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 340a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 341e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 342d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 343d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 344dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 345dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 346d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 347d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 348bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 349bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 350bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 351bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 3525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 3538aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 3548b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 3558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 3568aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 3578aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 3588b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 359d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 360bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 3621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 3631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 3641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 3651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 3661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 3671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 3681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 3701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 3711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 3721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 3731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 3741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 3751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 3761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 3786b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 3796b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 3806b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 3816b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 3821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 3841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 3851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 38687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 3871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 3881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 3891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 3911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 3921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 3931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 3941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 3951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 3971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 3981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 3991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 4001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 4011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 4021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 4041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 4051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 40687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 40787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 40887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 40987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 41087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 4111c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 412d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 413eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 414eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 415eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 416fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 417dda570201ac851dd85af3861f7e575721d3345daRomain Guy 418eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 419eb99356a0548684a501766e6a524529ab93304c8Romain Guy 420f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 4218aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 4227b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 423eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 424ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 425eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 426ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 427ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 428ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 429ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 430ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 431ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 432ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 433ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 434ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 435ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 436ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 437ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 438ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 439eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 440bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 441746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 442746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 44332963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 444dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 445e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 446dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 447dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 448dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 449af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 450b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 451b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 452dda570201ac851dd85af3861f7e575721d3345daRomain Guy 453a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 4548550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 455f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 456f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 457bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 458bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 4608aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 4619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 4629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 4639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 464dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4658fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 4668fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 467dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 4681d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 469eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 4705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 471eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 472eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 4739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 474514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 4759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 4769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.left, snapshot->height - bounds.bottom, 4789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 4799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 480514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 481514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 482514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 483514fb18827186591d66973c2362c859b64b63556Romain Guy } 4847b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 48554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 48654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 487ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 488eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 489f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 490d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 491bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 492bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 4945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 4959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 4965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 4985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 4995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 5005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 5035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 5045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 5055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 5075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 5095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 5105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 5125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 5145ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 5155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 5179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy snapshot->fbo = layer->getFbo(); 5185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 5195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 5205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 5215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 5225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 5235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 5245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 5269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 5279ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 5285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 5309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 5329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 5335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 5369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 5375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 5395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 5405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 5413762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Framebuffer incomplete (GL error code 0x%x)", status); 5425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 5449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 5459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 5465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 5485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 5505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 5548f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 5575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 5595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 5615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 5625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 5635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 5655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 5691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 5701d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 5711d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 5723762c311729fe9f3af085c14c5c1fb471d994c03Steve Block ALOGE("Attempting to compose a layer that does not exist"); 5731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 5741d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5751d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 577eb99356a0548684a501766e6a524529ab93304c8Romain Guy 578eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 579eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 580eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 581eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 582eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5831d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 5841d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 5851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 587f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 5889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 5895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 5909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 591f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 592f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 59303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 5948b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 595a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 5965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 599eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 6019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 6029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 603171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 6059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 606171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 607171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 6099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 6109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 611eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 6121d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 613eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6149c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 6159c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 6169c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 6179c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 6189c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 619eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 620eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 621eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 622eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 623eb99356a0548684a501766e6a524529ab93304c8Romain Guy 624eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 625eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 626eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 627eb99356a0548684a501766e6a524529ab93304c8Romain Guy 628746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 629746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 630eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 6318550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 6321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 6339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 6351d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6361d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 6371d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 638aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 6399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 640aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 641302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 642302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 643302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 644302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 645302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 646302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 647aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 6489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 6498f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 6508f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 6518f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 6528f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 6538f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 654aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 655aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 6569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 657aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 658aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 659aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 6609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 6619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 6628f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 6639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 6648f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 665ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 666ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 667ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 6689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 6699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 6709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 671d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 6729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 6739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 674d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 6759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 6769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 6779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 678aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 679aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 680aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 681aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 682aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 683302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 684302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 685302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 686302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 687aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 688aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 6895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 6909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 691aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 692aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 693aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 6945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6959ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 6969ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 697b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 698ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 699b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 700b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 701b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 7029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 7039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 7049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 708d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 7099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 710d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 7119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 7139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 7149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 7159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 7169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 7179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 7185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 719aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 720aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 721aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 722aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 723aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 724aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 7255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 7285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 7295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 7309fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 7319fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 73240667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 7339fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 7345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 7355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 7365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7388a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 7398a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 7405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!layer->region.isEmpty()) { 7415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 7425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 7435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 7459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 7469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 747f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 7485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 7505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 7515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7527230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 7537230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 7547230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 755ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 7569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 7577230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 7587230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 7597230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 760ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 7619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 7639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 766d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 769d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 7719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 77215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 7735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 7755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 7765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 778f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 7795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 780f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 7815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 7835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 7845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 7855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 7865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 7875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 7895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 7915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 7935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 7945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 7985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8017230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 8025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8043a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 8055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 8105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 8115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 8153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8163a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 8173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 8183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 8203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 8213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 8223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 8233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 8253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 8263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 8283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 8293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 8303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 8313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 8323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 8343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 8353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 8363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 8373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 8383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 8393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 8415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 8425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 843f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 8455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 846f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 8475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 8535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 854f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 8555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 856f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 8571bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 8581bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 8591bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 8601bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 8611bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 8621bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 8631bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 8641bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 8651bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 8661bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 8671bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 8685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 87354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 87454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 87554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 87654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 87754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 87854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 87954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 88054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 88154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 88254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 88354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 88454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 88554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDisable(GL_SCISSOR_TEST); 88654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 88754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 88854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 88954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 89054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 89154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 89254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 89354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 89454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 89554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 89654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 89754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 89854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 89954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 90054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 90154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 90254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 90354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 90454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 90554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 90654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 90754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 90854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 90939d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 91054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 91154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 91254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 91354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glEnable(GL_SCISSOR_TEST); 91454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 91554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 91654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 91754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 91854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 91954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 92054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 92154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 92254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 923bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 924f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 925f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 926f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 927f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 9288aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 929f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 930f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 931f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 9328aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 933f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 934f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 935f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 9368aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 937f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 938f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 939807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 940807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 941807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 942807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 943f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 944e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 945e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 946e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 947e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 948e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 949f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 950f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 951f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 9528aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 953f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 954f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 955f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 956e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 957e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 958e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 959e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 960f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 961f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 962f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 963f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 964f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 965f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 966bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 967e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 968e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 9698f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 9708f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy mCaches.setScissor(clip.left, mSnapshot->height - clip.bottom, 9718f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy clip.getWidth(), clip.getHeight()); 9728f85e80b64b89fd38cc23b129f61ec36ddde7f15Romain Guy 973746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 9749d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 9759d5316e3f56d138504565ff311145ac01621dff4Romain Guy 9769d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 977079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 978bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 979bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 980c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 981af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 982dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 983dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 984dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 9851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 9868aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 987d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 988d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 989d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 990d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 991d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 992d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 993c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 994c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 995079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 996079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 9977ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 998746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 9997ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 10008aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1001e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1002e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1003f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 100470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 100570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 100670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 100854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 100970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 101070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 101170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 101270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 101370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 101470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 101570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 101670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 101770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 101870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 101970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 102070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 102170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 102270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 102370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 102470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1025aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1026aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1027aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1028aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 102915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 103015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 103115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 103215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 10335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 103499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 10355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 10365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1037ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1038ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1039ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1040ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1041ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 104270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 10438d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 10448d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 10458d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 10468d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 10478d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 10486cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 10496cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 105070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1051fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1052fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1053fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 105470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 105570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 105670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 105770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 105886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 105986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 10606cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 10616cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 106286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 106386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 106486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 106586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 106686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 106786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 106886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 106986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 107070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 107170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 107270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 107370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 107470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 107570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 107670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 107770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 107870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 107986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 108086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 108186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 108286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 108386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 108486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 108586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 108686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 108786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 108870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 108970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 109070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 109170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 109270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 109370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 109470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 109570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 109670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 109770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 109870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 109970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1100f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1101f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1102f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1103f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 110454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1105f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1106f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1107f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 110870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1109f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1110f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1111f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 111270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 111370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 111470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 111570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 111670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1117f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1118f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1119f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 112070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 112170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 112270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 112370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 112470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 112570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 112670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 112770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 112870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 112970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 113070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 113170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 113270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 113370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 113470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 113570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 113670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 113770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 113870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 113970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 114070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 114170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 114270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 114370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 11448a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 11458a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 11468d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11478d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 114870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 114970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 115070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 115170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 115270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 115370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 115470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 115570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 115686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 115786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 115886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 115986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 116086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 116186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 116286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 116386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 116486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 116586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 116670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 116770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1168ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1169ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1170ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1171ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1172ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 117370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 11745536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 117570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 117670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 117770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 117870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 117986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 11805536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 118186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 11825536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 11835536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 11845536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 118570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 118670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 118770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 118870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 118970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 119070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 119170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 119270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 11948d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 11958d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 11968d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 11978d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 11988d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11998d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 120070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 120170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 120270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 120370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 120670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1207f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1208f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 120915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 121070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 121270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 121370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 12142d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 121515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 121670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1218aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1219aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 12202d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mTextureUnit++; 122115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 1222aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1223aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 12248f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 12258f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 12268f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 12278f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 12288f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1229aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1230aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1231aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1232aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 123370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 1234f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 123570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1236f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 123770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1238f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 123970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1240d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1241f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 124215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 124315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 124415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 124515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 124615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 124715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 124815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 124915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 125015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 125115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 125215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 125315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 12548d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 125570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 125670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1258f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1259f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1260f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 126115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 12625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 12635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 12645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 12655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 126699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 126799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 126899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 126999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 127099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 127199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 127299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 127399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 12745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 127599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 127699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase GLvoid* lengthCoords, float boundaryWidthProportion) { 1277f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1278f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1279f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1280f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 128115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1282d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 128399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 128499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 128599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1286d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 128799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 128899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 128999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1290d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 12915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 129299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 1293d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 129499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 12955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 129699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 12975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 12985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 129970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 130070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 130170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 130270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1303f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1304f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1305f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 13067b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guybool OpenGLRenderer::drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, 13077b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy Rect& dirty, uint32_t level) { 13087b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (quickReject(0.0f, 0.0f, width, height)) { 13097b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy return false; 13107b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy } 13117b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 13120fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 13130fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 131404c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 1315cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return displayList->replay(*this, dirty, level); 13160fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 13177b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 1318daf98e941e140e8739458126640183b9f296a2abChet Haase return false; 13190fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 13200fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1321ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1322ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1323ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1324ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1325ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1326ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1327a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1328a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1329a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1330a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1331a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1332a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1333a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1334a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1335e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1336a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1337a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1338a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1339a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1340a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1341e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1342d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1343d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1344a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1345a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1346a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1347a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 13485b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 13495b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 13505b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1351a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1352a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1353a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1354a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1355a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1356e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1357a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1358d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1359d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1360e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1361a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1362a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1363a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1364a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1365a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1366a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1367a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1368a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1369a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1370a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 13715c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 13726926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 13736926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 13746926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 13756926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 13766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13786926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1379a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 13808164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13819cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 138222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 138322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1384a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (bitmap->getConfig() == SkBitmap::kA8_Config) { 1385a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1386a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1387a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1388a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 13898ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 13908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 13915c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1392f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1393f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1394f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1395f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 13966926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 13976926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13986926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13996926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1400a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14018164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14029cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 140322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 140422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 14055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 14065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 14075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 14085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 14095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 14105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1411f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1412f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 14135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 14145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 14155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 14165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 14175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 14185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1420a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 14215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 14235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1424e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1425d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1426d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 14275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 14295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 14305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 14315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 14335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1434b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1435b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1436b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1437b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1438b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1439b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1440b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = hasLayer(); 1441b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1442b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = false; 1443b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1444b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1445a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1446a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 14475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 14485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 14495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 14505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 14515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 14535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 14545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 14555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 14565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 14585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 14595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 14605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 14615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 14625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 14635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 14645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 14655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 14675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 14685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 14695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 14715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 14725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1473b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1474b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1475b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1476b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1477b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1478b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1479b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1480b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1481b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1482b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 14835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1486b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1487b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1488b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1489b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1490b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1491b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 14925a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 14935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1494b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 14955a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 14965a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14978ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 14988ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 14998ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 15005c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 15016926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 15026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 15036926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15046926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1505a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15068164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15079cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 150822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 15098ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 15108ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 15118ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1512c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 15136816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 15146816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 15156816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 15166816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1517c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 151803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 15198ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 15208ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 152103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 152203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 152303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 152403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1525d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1526d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 15276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 15286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 15296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 15306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1531b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1532631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1533631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1534d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1535b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1536b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1537d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 15386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 15396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 15406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 15416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 15426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1543d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 15446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 15456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 15466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 15476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 15488ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 15498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1550ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1551ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 15524aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 15534bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 15545c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 15556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 15566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 15576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15586926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1559a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 15608164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15619cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 156222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1563d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1564d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1565f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1566f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1567f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1568f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1569f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 15702728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 15714bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1572f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1573a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy if (mesh && mesh->verticesCount > 0) { 15746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1575a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 15765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 15778168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1578c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1579c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 15805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 15815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 15828ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 15836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 1584c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1585c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1586c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 15876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1588c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1589c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 15906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 15915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 15925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1593a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 15945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 15956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 15966620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 15976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 15986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 15996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 16006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 16016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 16026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 16036620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 16046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 16056620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 16066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 16076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 16086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1609054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1610f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1611f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 161299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1613858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1614858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1615858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1616858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1617858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1618858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1619181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1620858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1621858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 1622858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1623858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!mSnapshot->transform->isPureTranslate()) { 1624858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1625858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1626858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1627858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1628858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1629858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1630858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1631858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1632858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1633858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1634858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1635858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1636858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1637858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDraw(); 163815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 1639858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine(); 1640858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColor(color); 1641858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilter(); 1642858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShader(); 1643858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawBlending(true, mode); 1644858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawProgram(); 1645858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawModelViewIdentity(true); 1646858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorUniforms(); 1647858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilterUniforms(); 1648858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShaderIdentityUniforms(); 1649858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1650858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex rects[4]; 1651858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex* aaVertices = &rects[0]; 1652858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 1653858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 1654858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1655858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1656858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1657858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1658858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1659858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1660858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1661858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1662858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1663858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1664858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float width = right - left; 1665858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float height = bottom - top; 1666858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1667858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 1668858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 1669858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 1670858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 1671858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 1672858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 1673858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryHeightProportion)); 1674858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1675858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!quickReject(left, top, right, bottom)) { 1676858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1677858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1678858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1679858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1680858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1681858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 1682858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1683858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1684858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1685858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 168699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 168799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 168899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 168999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 169099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 169199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 169299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 169399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 169499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 169599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 169699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 169799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 169899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 169999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 170099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 170199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 170299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 17038a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 17048a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (mSnapshot->isIgnored()) return; 17058a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17068a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 170799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 170899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 170999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 17108a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 17118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 17128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 171399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 171499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 171599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 17168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 17178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 17188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 17195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 17205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1721c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 172299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 172399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 172499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 172599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 172699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 172799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 172899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 172999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!mSnapshot->transform->isPureTranslate()) { 173099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 173199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 173299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 173399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 173499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 173599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 173699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 173799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float scaleX = sqrt(m00*m00 + m01*m01); 173899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float scaleY = sqrt(m10*m10 + m11*m11); 173999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 174099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 174199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 174299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 174399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 174499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 17455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 17488a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 174915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 17508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 17518a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 17528a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 17538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 17548a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 17558a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 17568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 17578a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawBlending(true, mode); 17588a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 17598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawBlending(mode); 17608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 17618a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 17628a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 17638a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 17648a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 17658a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 17668a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 17688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 176999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 177099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 17715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 177299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 17735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 17755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 177699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 177799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 17785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 17795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 17805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 178199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 178299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 178399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 17845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 17855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 178699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 178799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 178899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 178999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 17905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 179299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 179399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1794740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 179599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 179699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 179799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 179899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 17995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 18005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 18015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 18025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 180399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 180499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 180599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 18065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 18075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 180899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 18098a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 18108a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 18118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 18128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 18138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 18148a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 18158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 18168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 18178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 18185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 181999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 182099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 182199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 182299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 182399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 182499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 182599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 182699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 182799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 182899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 182999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 183099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 183199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 183299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 18335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 18355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 18365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 18375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 183899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 183999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 184099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 184199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 184299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 184399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 184499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 184599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 184699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 184799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 184899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 184999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 185099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 185199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 185299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 185399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 185499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 185599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 18565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 18575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 18585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 18595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 18605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 18615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 186299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 18635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 18645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 18655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 18665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 18675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 18685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 18695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 18705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 18715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 18725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 18735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 18745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 18755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 18765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 18775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 18785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 18805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 18815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 18825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 18835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 18845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 18855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 188699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 188799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 188899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 188999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 189099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 189199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 189299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 189399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 189499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 189599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 189699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 189799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 189899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 189999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 190099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 190199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 190299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 190399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 190499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 190599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 19065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 19075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 19085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 19095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 19105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 191199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 191299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 191399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 19145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 19155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 191699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 191799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 191899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 191999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 19205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 19215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 19225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 192399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 192499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 192599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 19265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 19295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 19305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1933ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 1934ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 1935ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1936ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 1937ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 1938ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 19395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 1940ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 19418a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 1942ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 19438a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19448a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 19458a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 19468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 1948ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 1949ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 1950ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1951ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1952ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 1953ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 1954ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1955ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 1956ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 1957ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1958ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 195915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 19608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 1961ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 1962ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 1963ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 1964ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 1965ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 19668a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 1967ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 1968ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 1969ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 1970ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 1971ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 1972ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1973ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 1974ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 1975ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 19768a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 19778a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 19788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 19798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 19808a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1981ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 1982ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1983ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 1984ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1985ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 198685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 1987e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 1988af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1989e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 1990ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 1991ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 199270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 19933d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 1994c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 19959d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1996c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 199701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 199801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 199901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 200001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 200101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 200201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 200301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 200401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 200501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2006c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2007c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 200801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 200901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2010a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2011c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2012c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2013c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2014c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 201501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2016c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2017c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2018c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2019a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 202001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2021c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 2022c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 202301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2024c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 2025c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 202601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2027a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2028c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2029c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2030c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2031c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 20328b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 20338b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 20348b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 20358b2f5267f16c295f12faab810527cd6311997e34Romain Guy 20368b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 20378b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 20388b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 20398b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 20408b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2041a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 20428b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 20438b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 20448b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 20458b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 20468b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2047c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2048c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2049c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2050c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2051a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 2052c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2053c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 205401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 205501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 20565c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2057c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2058c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 2059c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 2060c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2061c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 20626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 20636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 20646926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20656926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2066026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2067746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2068a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2069a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2070a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2071a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2072a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2073a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2074a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2075026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2076026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2077026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2078181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2079858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2080858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2081858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2082858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2083c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 20849d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2085eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guyvoid OpenGLRenderer::drawPosText(const char* text, int bytesCount, int count, 2086eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy const float* positions, SkPaint* paint) { 2087eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy if (text == NULL || count == 0) { 2088eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy return; 2089eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy } 2090eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy if (mSnapshot->isIgnored()) return; 2091eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2092eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy // TODO: implement properly 2093eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy drawText(text, bytesCount, count, 0, 0, paint); 2094eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy} 2095eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2096e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2097cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy float x, float y, SkPaint* paint, float length) { 2098b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (text == NULL || count == 0) { 2099e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 2100e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2101af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2102e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 21038f9a9f61ab793d9387a5942b307e74324704893bRomain Guy // NOTE: AA and glyph id encoding are set in DisplayListRenderer.cpp 2104e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2105e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2106e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2107cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy if (length < 0.0f) length = paint->measureText(text, bytesCount); 2108e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2109e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2110e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2111cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy if (length < 0.0f) length = paint->measureText(text, bytesCount); 2112e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2113e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2114e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2115e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2116e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2117e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2118cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2119cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 21208f9a9f61ab793d9387a5942b307e74324704893bRomain Guy // If no length was specified, just perform the hit test on the Y axis 2121cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy if (quickReject(x, y + metrics.fTop, 2122cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy x + (length >= 0.0f ? length : INT_MAX / 2), y + metrics.fBottom)) { 2123cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy return; 2124cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2125cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 21263a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 21273a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 21286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 21296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 21306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 21316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 21326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 21336620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2134ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 21355baa3a62a97544669fba6d65a11c07f252e654ddSteve Block ALOGD("OpenGLRenderer drawText() with FontID=%d", SkTypeface::UniqueID(paint->getTypeface())); 2136ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2137eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy 2138eb9a5367e8f0e970db8509ffb2584f5376bc62edRomain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2139b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2140fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2141e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 214286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 214386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 214486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 21459d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 21461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 21472d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy mCaches.activeTexture(0); 21482d4fd364843d3efc6e6ee59ccc5beb513a86d789Romain Guy 2149b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 215067ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get( 215167ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint, text, bytesCount, count, mShadowRadius); 21521e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 21530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2154740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 2155740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 215686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 215786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 2158740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 2159740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 2160740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 2161740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 216286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 216386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 216486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 2165740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2166740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 2167740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 216886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 216986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2170740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 217186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 217286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 2173740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 2174740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 217586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 21760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 21770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 21781e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 21791e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 2180b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (paint->getAlpha() == 0 && paint->getXfermode() == NULL) { 2181b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy return; 2182b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy } 2183b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy 21846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 21856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 21866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 21876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 21886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 21895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 2190a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 219186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 219286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 219386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 219486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 219586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 219686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 219786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 219886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 219986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 220086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 220186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 220286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 220386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 220406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 22056620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 22065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 22075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 22085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2209f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = hasLayer(); 22105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 2211f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = false; 22125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 2213894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 22146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 2215f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 22165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2217f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 22186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 22196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 22206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2221f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 22225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 22235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 22245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2225694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 22263a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2227694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2228694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 22297fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2230af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2231dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 2232a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22337fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2234fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 22359cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 223622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 22377fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 22388b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 22398b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 22408b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 224101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 22427fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 22437fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2244ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2245ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 22466c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 22476c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 22486c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2249a1d3c91afbd52c7e8b01f4a9060c5459f02ae7a5Romain Guy mCaches.activeTexture(0); 22506c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22516c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 22526c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 22536c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 22546c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 22566c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2257f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2258c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (!layer->region.isEmpty()) { 2259c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 226040667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2261c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 22628168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2263c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2264c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2265c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2266c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 22678168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2268c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 22699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2270c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2271c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2272c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 22739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 22749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 22759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 22769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 22779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2278d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 22799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 22809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), true); 22819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2282d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 22839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 22849ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 22859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2286c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2287c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2288c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2289c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2290c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2291c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 22923a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 22933a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 22943a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 22953a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2296c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2297f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2298f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2299ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2300ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2301f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 23026c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 23036c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 23046926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2305d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2306d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2307d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2308d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 230906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 231006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 231106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 231206f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 231306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 231406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2315fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 231606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 23177fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 23187fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2319d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2320db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2321db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2322db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2323db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2324db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2325db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2326db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2327db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2328db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2329db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2330db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2331db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 23321e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 23331e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 23341e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23351e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 23361e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 23371e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 23381e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23391e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 23401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 23411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 23421e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 23431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 23441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 23451e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 23461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23471e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 23486926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 23496926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 23506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 235101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 235201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 235301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 235401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 235501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 235601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 235701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 235801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 235901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 236001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 236101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 236201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 236301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 236401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 236501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 236601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 236701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 236801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 236901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 237001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 237101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 237201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 237301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 237401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 237501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 237601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 237701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 237801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 237901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2380f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 23810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 23820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 23830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 23840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 23860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 23870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 23880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 23890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2390726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 23910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 23920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 23930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2394726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 23950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 23960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 2398726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy switch (paintCopy.getTextAlign()) { 23990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 24000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 24010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 24020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 24030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 24040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 24050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 24060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 24070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 24080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 24090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 2410726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2411f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 24120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2413e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 24140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2415e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2416f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2417f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2418f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2419f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2420f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2421e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2422e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 24230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 24240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 24250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2426e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2427e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2428e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2429e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 24300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 24310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 24320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 24330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2434e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2435e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2436e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2437e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 24380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2439e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2440726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2441e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2442726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 24430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 24440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 24450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 24460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2447026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 24481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2449d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 245006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2451d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2452d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2453d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 245470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 245515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 245670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 245770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 245870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 245970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 246070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 246170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 246270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 246370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 246470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 246570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2466c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2467c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2468c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2469c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 247082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 24718164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 247282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 247382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 247482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 247582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2476d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 24778164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 24786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 24796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 24806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 24816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2482d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 24836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 24846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 24856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 24866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2487d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 24886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 24896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 24906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 24916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 249285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 249385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2494bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2495a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2496a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 249703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2498f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2499f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2500f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2501a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 25026820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 25035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 25048694230ff25fa0a60e480d424843e56b718f0516Romain Guy 250570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 250670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 250770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 250870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 250970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 251070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 251170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 251270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2513db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 25145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 251570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 251603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 251770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2518db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 251986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 252070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 252170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 252270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2523db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 25246820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 252570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 252670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 252782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 252882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2529a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2530f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 253182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 253282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 253382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // These blend modes are not supported by OpenGL directly and have 253482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // to be implemented using shaders. Since the shader will perform 253582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // the blending, turn blending off here 253682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // If the blend mode cannot be implemented using shaders, fall 253782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy // back to the default SrcOver blend mode instead 253882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mode > SkXfermode::kScreen_Mode) { 2539746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (mCaches.extensions.hasFramebufferFetch()) { 2540a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2541f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2542a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 254382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (mCaches.blend) { 254482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glDisable(GL_BLEND); 254582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.blend = false; 254682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 254782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 254882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy return; 254982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } else { 255082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mode = SkXfermode::kSrcOver_Mode; 2551a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 255282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 255382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 255482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (!mCaches.blend) { 255582bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glEnable(GL_BLEND); 255682bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy } 255782bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 255882bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 255982bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 256082bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy 256182bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 256282bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy glBlendFunc(sourceMode, destMode); 256382bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastSrcMode = sourceMode; 256482bc7a772747fcf8a6fe7097f70bf2981429ffe9Romain Guy mCaches.lastDstMode = destMode; 256582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2566fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 256782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 256882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2569fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2570bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2571bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2572889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2573d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2574fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2575d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2576fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 25776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2578260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 25796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2580260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2581260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2582026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2583ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 258482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 258582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 258682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 258782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 25888ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 25898ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 25905c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 25918ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 25922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy *mode = getXfermode(paint->getXfermode()); 25938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 25948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 25958ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 25968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 25978ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 25988ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 25998ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 26008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 26018ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 26028ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 26038ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 26048ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2605026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2606026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2607a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2608d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger SkXfermode::Mode resultMode; 2609d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger if (!SkXfermode::AsMode(mode, &resultMode)) { 2610d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger resultMode = SkXfermode::kSrcOver_Mode; 2611a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2612d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger return resultMode; 2613a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2614a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 26159d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2616e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2617