OpenGLRenderer.cpp revision 39d252a6632d057d5077f7eaf1b8ed7a142f3397
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 106889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystatic const GLenum gTextureUnits[] = { 107b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE0, 108b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE1, 109b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE2 110d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy}; 111d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 112f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 113f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 114f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 115f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 116fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 118db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1191e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 120026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 121ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 122ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 123ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 124e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 125e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12729d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12829d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 129e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 130e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 131f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 132f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 133f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 134f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 13585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 136260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 137bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 138bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 139bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 140eb99356a0548684a501766e6a524529ab93304c8Romain Guy 141eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 142eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 143746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 1443e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glDisable(GL_DITHER); 14539d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy glEnable(GL_SCISSOR_TEST); 1463e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 1473e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glEnableVertexAttribArray(Program::kBindingPosition); 148e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 149e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1506b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guyvoid OpenGLRenderer::prepare(bool opaque) { 1517d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1527d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1537d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1547d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guyvoid OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 155fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 156fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1578aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1588aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 15984962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1608fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 161f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 16239d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy glViewport(0, 0, mWidth, mHeight); 1637d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy glScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 16439d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy 1657d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 16639d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy mDirtyClip = false; 1677d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1686b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 1696b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 1706b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 171bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 172bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 173b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 174b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 175b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 176b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 177b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy LOGD("GL error from OpenGLRenderer: 0x%x", status); 178a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 179a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 180a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy LOGE(" OpenGLRenderer is out of memory!"); 181a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 182a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 183b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 184b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 185c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 186c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 187e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 188e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 189e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 190e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 191c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 192b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 193b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 1946c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 195da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 196da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 197da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 198da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 199da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 200da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 20150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 202da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 203da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2046c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 20508837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 20608837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase 20708837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 208da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2093e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2103e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 211da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 212746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 213da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 21408837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 21503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 21650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 21750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 21850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 21950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 22050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 221da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 222da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 223cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guybool OpenGLRenderer::callDrawGLFunction(Functor *functor, Rect& dirty) { 224daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 225f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 226f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 227f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 228d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 22980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 23080911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 23180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 232d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 233d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 234d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 235d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 236d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 237d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 238d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 239d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 24008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 24108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 24208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 24308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 24408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 24508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 24608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 24780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 24808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy status_t result = (*functor)(0, &info); 249cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 250cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy if (result != 0) { 25108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 252cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 253cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 254cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 255daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 256cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return result != 0; 257daf98e941e140e8739458126640183b9f296a2abChet Haase} 258daf98e941e140e8739458126640183b9f296a2abChet Haase 259f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 260f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 261f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 262f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 263bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 2647ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 265bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 266bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 267bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 2688aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 269bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 270bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 271bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 2722542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 2732542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2747ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 275bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 276bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 277bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 2788fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 279bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2808fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 2812542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2827ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 283bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 284bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2858aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 2868aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 2878fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 288bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 289bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 290bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 2917ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 292bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 293eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 294bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 295bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 2967ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 297bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 298eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 299eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 300eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 301eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 302eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 303eb99356a0548684a501766e6a524529ab93304c8Romain Guy 3048b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 3058b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 3068b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 3072542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 308746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 3098fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 3102542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 3115ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 3125ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 3135ec9924d24495822b589f1a17996655d66273b30Romain Guy } 3145ec9924d24495822b589f1a17996655d66273b30Romain Guy 3152542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 316d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 3175cbbce535744b89df5ecea95de21ee3733298260Romain Guy 318f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 319bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 320bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 321bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 322bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 3235c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 324eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 325eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 326d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 327af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 328e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 329e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 330e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 331e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 332e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 333e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 334e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 335e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 336e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 337e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 338e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 339e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 340e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 341a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 342a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 343e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 344d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 345d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 346dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 347dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 348d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 349d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 350bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 351bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 352bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 353bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 3545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 3558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 3568b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 3578aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 3588aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 3598aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 3608b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 361d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 362bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 3641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 3651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 3661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 3671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 3681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 3691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 3701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 3721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 3731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 3741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 3751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 3761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 3771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 3781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 3806b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 3816b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 3826b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 3836b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 3841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 3861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 3871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 38887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 3891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 3901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 3911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 3931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 3941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 3951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 3961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 3971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 3991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 4001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 4011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 4021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 4031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 4041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 4061c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 4071c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 40887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 40987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 41087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 41187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 41287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 4131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 414d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 415eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 416eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 417eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 418fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 419dda570201ac851dd85af3861f7e575721d3345daRomain Guy 420eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 421eb99356a0548684a501766e6a524529ab93304c8Romain Guy 422f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 4238aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 4247b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 425eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 426ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 427eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 428ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 429ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 430ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 431ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 432ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 433ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 434ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 435ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 436ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 437ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 438ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 439ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 440ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 441eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 442bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 443746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 444746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 44532963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 446dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 447e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 448dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 449dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 450dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 451af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 452b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 453b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 454dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glActiveTexture(gTextureUnits[0]); 4568550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 457f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 458f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 459bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 460bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 4628aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 4639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 4649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 4659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 466dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4678fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 4688fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 469dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 4701d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 471eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 4725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 473eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 474eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 4759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 476514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 4779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 4789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.left, snapshot->height - bounds.bottom, 4809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 4819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 482514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 483514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 484514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 485514fb18827186591d66973c2362c859b64b63556Romain Guy } 4867b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 48754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 48854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 489ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 490eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 491f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 492d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 493bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 494bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 4965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 4979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 4985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 5005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 5015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 5025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 5055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 5065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 5075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 5095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 5115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 5125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 5145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 5165ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 5175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 5199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy snapshot->fbo = layer->getFbo(); 5205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 5215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 5225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 5235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 5245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 5255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 5265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 5289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 5299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 5305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 5329ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 5349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 5355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 5389ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 5395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 5415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 5425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 5435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy LOGE("Framebuffer incomplete (GL error code 0x%x)", status); 5445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 5469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 5479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 5485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 5505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 5525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 5575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 5585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 5595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 5615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 5635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 5645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 5655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 5675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 5711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 5721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 5731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 5741d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LOGE("Attempting to compose a layer that does not exist"); 5751d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 5761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5771d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 579eb99356a0548684a501766e6a524529ab93304c8Romain Guy 580eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 581eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 582eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 583eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 584eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 5861d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 5871d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 589f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 5909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 5915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 5929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 593f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 594f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 59503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 5968b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 597746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 601eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 6039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 6049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 605171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 6079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 608171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 609171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 6119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 6129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 613eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 6141d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 615eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6169c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 6179c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 6189c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 6199c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 6209c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 621eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 622eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 623eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 624eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 625eb99356a0548684a501766e6a524529ab93304c8Romain Guy 626eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 627eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 628eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 629eb99356a0548684a501766e6a524529ab93304c8Romain Guy 630746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 631746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 632eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 6338550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 6341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 6359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6361d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 6371d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6381d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 6391d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 640aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 6419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 642aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 643302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 644302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 645302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 646302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 647302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 648302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 649aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 6509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 6518f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 6528f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 6538f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 6548f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 6558f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 656aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 657aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 6589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 659aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 660aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 661aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 6629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 6639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 6648f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 6659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 6668f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 667ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 668ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 669ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 6709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 6719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 6729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 673d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 6749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 6759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 676d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 6779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 6789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 6799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 680aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 681aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 682aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 683aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 684aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 685302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 686302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 687302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 688302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 689aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 690aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 6915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 6929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 693aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 694aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 695aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 6965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 6989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 699b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 700ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 701b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 702b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 703b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 7049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 7059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 7069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 710d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 7119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 712d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 7139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 7159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 7169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 7179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 7189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 7199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 7205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 721aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 722aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 723aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 724aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 725aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 726aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 7275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 7305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 7315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 7329fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 7339fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 73440667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 7359fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 7365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 7375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 7385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7408a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 7418a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 7425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!layer->region.isEmpty()) { 7435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 7445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 7455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 7479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 7489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 749f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 7505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 7525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 7535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7547230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 7557230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 7567230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 757ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 7589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 7597230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 7607230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 7617230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 762ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 7639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 7659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 768d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 771d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 7739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7747230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0]); 7755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 7775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 7785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 780f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 7815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 782f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 7835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 7855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 7865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 7875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 7885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 7895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 7915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 7935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 7955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 7965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 8005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 8047230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 8055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8073a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 8085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 8135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 8145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 8183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 8203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 8213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 8233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 8243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 8253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 8263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 8283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 8293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 8313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 8323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 8333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 8343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 8353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 8373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 8383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 8393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 8403a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 8413a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 8423a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 8455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 846f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 8475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 8485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 849f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 8505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 8555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 8565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 857f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 8585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 859f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 8601bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 8611bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 8621bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 8631bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 8641bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 8651bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 8661bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 8671bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 8681bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 8691bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 8701bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 8715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 87654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 87754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 87854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 87954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 88054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 88154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 88254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 88354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 88454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 88554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 88654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 88754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 88854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDisable(GL_SCISSOR_TEST); 88954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 89054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 89154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 89254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 89354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 89454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 89554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 89654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 89754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 89854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 89954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 90054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 90154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 90254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 90354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 90454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 90554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 90654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 90754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 90854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 90954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 91054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 91154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 91239d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 91354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 91454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 91554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 91654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glEnable(GL_SCISSOR_TEST); 91754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 91854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 91954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 92054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 92154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 92254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 92354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 92454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 92554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 926bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 927f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 928f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 929f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 930f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 9318aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 932f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 933f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 934f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 9358aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 936f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 937f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 938f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 9398aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 940f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 941f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 942807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 943807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 944807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 945807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 946f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 947e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 948e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 949e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 950e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 951e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 952f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 953f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 954f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 9558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 956f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 957f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 958f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 959e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 960e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 961e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 962e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 963f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 964f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 965f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 966f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 967f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 968f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 969bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 970e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 971e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 972eb99356a0548684a501766e6a524529ab93304c8Romain Guy glScissor(clip.left, mSnapshot->height - clip.bottom, clip.getWidth(), clip.getHeight()); 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; 10188d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mTexCoordsSlot = -1; 101970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 102070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 102170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 102270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 102370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 102470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 102570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1026aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1027aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1028aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1029aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 10305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 103199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 10325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 10335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1034ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1035ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1036ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1037ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1038ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 103970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 10408d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 10418d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 10428d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 10438d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 10448d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 10456cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 10466cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 104770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1048fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1049fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1050fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 105170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 105270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 105370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 105470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 105586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 105686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 10576cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 10586cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 105986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 106086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 106186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 106286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 106386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 106486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 106586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 106686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 106770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 106870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 106970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 107070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 107170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 107270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 107370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 107470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 107570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 107686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 107786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 107886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 107986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 108086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 108186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 108286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 108386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 108486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 108570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 108670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 108770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 108870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 108970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 109070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 109170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 109270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 109370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 109470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 109570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 109670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1097f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1098f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1099f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1100f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 110154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1102f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1103f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1104f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 110570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1106f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1107f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1108f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 110970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 111070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 111170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 111270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 111370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1114f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1115f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1116f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 111770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 111870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 111970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 112070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 112170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 112270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 112370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 112470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 112570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 112670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 112770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 112870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 112970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 113070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 113170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 113270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 113370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 113470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 113570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 113670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 113770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 113870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 113970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 114070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 11418a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 11428a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 11438d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11448d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 114570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 114670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 114770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 114870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 114970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 115070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 115170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 115270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 115386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 115486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 115586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 115686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 115786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 115886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 115986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 116086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 116186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 116286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 116370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 116470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1165ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1166ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1167ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1168ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1169ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 117070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 11715536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 117270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 117370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 117470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 117570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 117686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 11775536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 117886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 11795536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 11805536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 11815536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 118270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 118370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 118470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 118570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 118670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 118770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 118870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 118970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 11918d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 11928d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 11938d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 11948d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 11958d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11968d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 119770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 119870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 119970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 120070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 120170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 120370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(); 120570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 120670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, 0); 120770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 120970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 121070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 121170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 121270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 121370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 121470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 121570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1217aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1218aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 1219aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 1220aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1221aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 1222aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 1223aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1224aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 12258f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 12268f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 12278f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 12288f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 12298f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1230aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1231aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1232aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1233aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 123470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 123570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 123670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 123770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 123870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.unbindMeshBuffer(); 123970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 124070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 124170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, vertices); 1242cf28957c89127ccfc82d535903c776124665446aDavid Li if (mTexCoordsSlot >= 0) { 12438d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy glVertexAttribPointer(mTexCoordsSlot, 2, GL_FLOAT, GL_FALSE, gMeshStride, texCoords); 12448d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 124570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 124670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 12485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase mCaches.unbindMeshBuffer(); 12495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 12505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase gVertexStride, vertices); 12515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 12525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 12535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 12545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 125599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 125699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 125799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 125899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 125999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 126099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 126199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 126299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 12635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 126499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 126599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase GLvoid* lengthCoords, float boundaryWidthProportion) { 12665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase mCaches.unbindMeshBuffer(); 12675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 126899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase gAAVertexStride, vertices); 126999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 127099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 127199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 127299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 127399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 127499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 12755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 127699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 127799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 12785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 127999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 12805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 12815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 128270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 128370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glDisableVertexAttribArray(mTexCoordsSlot); 128470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 128570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 128670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1287f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1288f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1289f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 12907b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guybool OpenGLRenderer::drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, 12917b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy Rect& dirty, uint32_t level) { 12927b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (quickReject(0.0f, 0.0f, width, height)) { 12937b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy return false; 12947b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy } 12957b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 12960fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 12970fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 129804c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 1299cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return displayList->replay(*this, dirty, level); 13000fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 13017b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 1302daf98e941e140e8739458126640183b9f296a2abChet Haase return false; 13030fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 13040fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1305ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1306ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1307ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1308ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1309ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1310ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1311a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1312a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1313a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1314a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1315a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1316a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1317a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1318a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1319e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1320a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1321a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1322a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1323a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1324a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1325e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1326d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1327d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1328a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1329a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1330a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1331a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 13325b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 13335b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 13345b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1335a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1336a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1337a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1338a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1339a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1340e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1341a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1342d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1343d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1344e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1345a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1346a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1347a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1348a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1349a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1350a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1351a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1352a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1353a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1354a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 13555c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 13566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 13576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 13586926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 13596926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 13606926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 136386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 13648164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13659cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 136622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 136722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1368a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (bitmap->getConfig() == SkBitmap::kA8_Config) { 1369a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1370a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1371a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1372a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 13738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 13748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 13755c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1376f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1377f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1378f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1379f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 13806926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 13816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 138486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 13858164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13869cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 138722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 138822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 13895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 13905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 13915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 13925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 13935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 13945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1395f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1396f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 13975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 13985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 13995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 14005a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 14015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 14025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy glActiveTexture(gTextureUnits[0]); 14055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 14075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1408e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1409d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1410d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 14115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 14135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 14145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 14155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 14175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1418b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1419b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1420b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1421b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1422b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1423b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1424b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = hasLayer(); 1425b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1426b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = false; 1427b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1428b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1429a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1430a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 14315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 14325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 14335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 14345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 14355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 14375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 14385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 14395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 14405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 14425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 14435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 14445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 14455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 14465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 14475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 14485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 14495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 14515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 14525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 14535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 14555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 14565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1457b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1458b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1459b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1460b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1461b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1462b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1463b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1464b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1465b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1466b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 14675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1470b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1471b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1472b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1473b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1474b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1475b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 14765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 14775a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1478b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 14795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 14805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14818ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 14828ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 14838ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 14845c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 14856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 14866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14876926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14886926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1489746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 14908164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14919cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 149222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 14938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 14948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 14958ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1496c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 14976816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 14986816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 14996816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 15006816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1501c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 150203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 15038ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 15048ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 150503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 150603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 150703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 150803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1509d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1510d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 15116620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 15126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 15136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 15146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1515b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1516631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1517631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1518d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1519b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1520b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1521d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 15226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 15236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 15246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 15256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 15266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1527d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 15286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 15296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 15306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 15316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 15328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 15338ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1534ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1535ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 15364aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 15374bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 15385c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 15396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 15406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 15416926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1543746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 15448164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15459cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 154622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1547d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1548d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1549f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1550f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1551f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1552f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1553f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 15542728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 15554bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1556f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1557a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy if (mesh && mesh->verticesCount > 0) { 15586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1559a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 15605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 15618168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1562c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1563c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 15645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 15655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 15668ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 15676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 1568c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1569c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1570c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 15716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1572c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1573c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 15746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 15755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 15765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1577a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 15785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 15796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 15806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 15816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 15826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 15836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 15846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 15856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 15866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 15876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 15886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 15896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 15906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 15916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 15926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1593054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1594f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1595f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 159699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1597858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1598858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1599858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1600858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1601858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1602858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1603181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1604858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1605858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 1606858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1607858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!mSnapshot->transform->isPureTranslate()) { 1608858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1609858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1610858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1611858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1612858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1613858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1614858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1615858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1616858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1617858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1618858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1619858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1620858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1621858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDraw(); 1622858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine(); 1623858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColor(color); 1624858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilter(); 1625858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShader(); 1626858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawBlending(true, mode); 1627858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawProgram(); 1628858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawModelViewIdentity(true); 1629858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorUniforms(); 1630858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilterUniforms(); 1631858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShaderIdentityUniforms(); 1632858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1633858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex rects[4]; 1634858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex* aaVertices = &rects[0]; 1635858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 1636858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 1637858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1638858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1639858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1640858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1641858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1642858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1643858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1644858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1645858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1646858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1647858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float width = right - left; 1648858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float height = bottom - top; 1649858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1650858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 1651858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 1652858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 1653858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 1654858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 1655858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 1656858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryHeightProportion)); 1657858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1658858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!quickReject(left, top, right, bottom)) { 1659858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1660858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1661858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1662858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1663858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1664858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 1665858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1666858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1667858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1668858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 166999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 167099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 167199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 167299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 167399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 167499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 167599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 167699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 167799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 167899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 167999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 168099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 168199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 168299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 168399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 168499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 168599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 16868a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 16878a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (mSnapshot->isIgnored()) return; 16888a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 16898a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 169099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 169199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 169299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 16938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 16948a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 16958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 169699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 169799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 169899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 16998a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 17008a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 17018a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 17025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 17035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1704c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 170599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 170699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 170799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 170899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 170999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 171099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 171199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 171299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!mSnapshot->transform->isPureTranslate()) { 171399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 171499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 171599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 171699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 171799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 171899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 171999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 172099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float scaleX = sqrt(m00*m00 + m01*m01); 172199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float scaleY = sqrt(m10*m10 + m11*m11); 172299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 172399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 172499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 172599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 172699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 172799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 17285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 17318a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 17328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 17338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 17348a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 17358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 17368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 17378a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 17388a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 17398a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawBlending(true, mode); 17408a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 17418a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawBlending(mode); 17428a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 17438a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 17448a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 17458a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 17468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 17478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 17488a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 17508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 175199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 175299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 17535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 175499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 17555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 17575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 175899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 175999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 17605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 17615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 17625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 176399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 176499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 176599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 17665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 17675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 176899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 176999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 177099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 177199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 17725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 177499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 177599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1776740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 177799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 177899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 177999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 178099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 17815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 17825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 17835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 17845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 178599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 178699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 178799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 17885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 17895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 179099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 17918a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 17928a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 17938a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 17948a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 17958a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 17968a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 17978a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 17988a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 17998a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 18005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 180199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 180299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 180399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 180499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 180599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 180699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 180799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 180899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 180999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 181099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 181199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 181299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 181399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 181499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 18155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 18175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 18185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 18195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 182099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 182199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 182299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 182399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 182499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 182599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 182699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 182799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 182899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 182999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 183099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 183199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 183299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 183399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 183499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 183599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 183699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 183799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 18385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 18395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 18405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 18415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 18425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 18435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 184499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 18455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 18465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 18475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 18485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 18495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 18505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 18515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 18525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 18535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 18545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 18555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 18565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 18575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 18585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 18595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 18605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 18625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 18635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 18645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 18655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 18665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 18675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 186899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 186999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 187099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 187199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 187299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 187399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 187499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 187599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 187699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 187799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 187899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 187999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 188099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 188199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 188299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 188399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 188499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 188599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 188699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 188799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 18885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 18895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 18905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 18915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 18925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 189399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 189499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 189599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 18965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 18975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 189899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 189999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 190099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 190199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 19025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 19035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 19045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 190599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 190699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 190799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 19085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 19115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 19125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1915ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 1916ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 1917ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1918ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 1919ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 1920ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 19215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 1922ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 19238a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 1924ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 19258a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19268a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 19278a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 19288a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 1930ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 1931ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 1932ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1933ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1934ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 1935ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 1936ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1937ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 1938ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 1939ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1940ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 19418a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 1942ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 1943ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 1944ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 1945ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 1946ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 19478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 1948ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 1949ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 1950ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 1951ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 1952ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 1953ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1954ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 1955ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 1956ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 19578a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 19588a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 19598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 19608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 19618a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1962ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 1963ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1964ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 1965ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1966ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 196785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 1968e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 1969af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1970e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 1971ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 1972ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 197370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 19743d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 1975c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 19769d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1977c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 197801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 197901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 198001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 198101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 198201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 198301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 198401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 198501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 198601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1987c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 1988c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 198901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 199001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 199101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 1992c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 1993c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 1994c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 1995c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 199601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1997c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 1998c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 1999c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2000c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 200101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2002c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 2003c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 200401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2005c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 2006c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 200701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2008c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 2009c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2010c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2011c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2012c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 20138b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 20148b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 20158b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 20168b2f5267f16c295f12faab810527cd6311997e34Romain Guy 20178b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 20188b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 20198b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 20208b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 20218b2f5267f16c295f12faab810527cd6311997e34Romain Guy 20228b2f5267f16c295f12faab810527cd6311997e34Romain Guy glActiveTexture(gTextureUnits[0]); 20238b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 20248b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 20258b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 20268b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 20278b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2028c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2029c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2030c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2031c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2032c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 2033c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2034c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 203501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 203601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 20375c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2038c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2039c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 2040c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 2041c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2042c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 20436926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 20446926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 20456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2047026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2048746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2049a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2050a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2051a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2052a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2053a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2054a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2055a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2056026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2057026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2058026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2059181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2060858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2061858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2062858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2063858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2064c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 20659d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2066e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2067cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy float x, float y, SkPaint* paint, float length) { 2068b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (text == NULL || count == 0) { 2069e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 2070e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2071af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2072e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 20738f9a9f61ab793d9387a5942b307e74324704893bRomain Guy // NOTE: AA and glyph id encoding are set in DisplayListRenderer.cpp 2074e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2075e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2076e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2077cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy if (length < 0.0f) length = paint->measureText(text, bytesCount); 2078e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2079e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2080e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2081cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy if (length < 0.0f) length = paint->measureText(text, bytesCount); 2082e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2083e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2084e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2085e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2086e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2087e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2088cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2089cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 20908f9a9f61ab793d9387a5942b307e74324704893bRomain Guy // If no length was specified, just perform the hit test on the Y axis 2091cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy if (quickReject(x, y + metrics.fTop, 2092cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy x + (length >= 0.0f ? length : INT_MAX / 2), y + metrics.fBottom)) { 2093cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy return; 2094cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2095cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 20963a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 20973a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 20986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 20996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 21006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 21016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 21026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 21036620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2104b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2105ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 2106ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio LOGD("OpenGLRenderer drawText() with FontID=%d", SkTypeface::UniqueID(paint->getTypeface())); 2107ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2108b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2109fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2110e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 211186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 211286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 211386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 21149d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 21151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 2116b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 211767ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get( 211867ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint, text, bytesCount, count, mShadowRadius); 21191e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 21200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2121740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 2122740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 212386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 212486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 2125740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 2126740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 2127740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 2128740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 212986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 213086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 213186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 213286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 2133740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2134740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 2135740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 213686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 213786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2138740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 213986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 214086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 2141740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 2142740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 214386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 21440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 21450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2146740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 214786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 21481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 21491e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 2150b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (paint->getAlpha() == 0 && paint->getXfermode() == NULL) { 2151b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy return; 2152b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy } 2153b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy 21546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 21556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 21566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 21576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 21586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 21595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 216086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 216186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 216286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 216386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 216486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 216586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 216686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 216786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 216886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 216986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 217086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 217186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 217286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 217386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 217406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 21756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 21765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 21775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 21785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2179f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = hasLayer(); 21805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 2181f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = false; 21825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 218303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 2184894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2185894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk // Tell font renderer the locations of position and texture coord 2186894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk // attributes so it can bind its data properly 2187894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk int positionSlot = mCaches.currentProgram->position; 2188894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk fontRenderer.setAttributeBindingSlots(positionSlot, mTexCoordsSlot); 21896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 2190f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 21915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2192f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 21936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 21946620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 21956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2196f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 21975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 21985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 21995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2200694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2201694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 2202fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 2203a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy 22043a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2205694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2206694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 22077fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2208af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2209dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 221001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 22117fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2212fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 22139cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 221422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 22157fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 22168b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 22178b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 22188b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 221901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 22207fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 22217fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2222ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2223ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 22246c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 22256c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 22266c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22276c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glActiveTexture(gTextureUnits[0]); 22286c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22296c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 22306c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 22316c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 22326c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22339ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 22346c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2235f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2236c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (!layer->region.isEmpty()) { 2237c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 223840667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2239c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 22408168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2241c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2242c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2243c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2244c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 22458168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2246c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 22479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2248c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2249c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2250c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 22519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 22529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 22539ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 22549ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 22559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2256d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 22579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 22589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), true); 22599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2260d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 22619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 22629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 22639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2264c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2265c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2266c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2267c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2268c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2269c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 22703a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 22713a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 22723a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 22733a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2274c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2275f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2276f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2277ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2278ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2279f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 22806c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 22816c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2283d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2284d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2285d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2286d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 228706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 228806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 228906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 229006f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 229106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 229206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2293fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 229406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 22957fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 22967fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2297d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2298db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2299db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2300db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2301db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2302db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2303db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2304db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2305db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2306db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2307db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2308db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2309db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 23101e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 23111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 23121e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 23141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 23151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 23161e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 23181e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 23191e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 23201e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 23211e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 23221e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 23231e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 23241e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23251e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 23266926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 23276926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 23286926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 232901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 233001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 233101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 233201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 233301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 233401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 233501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 233601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 233701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 233801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 233901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 234001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 234101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 234201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 234301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 234401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 234501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 234601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 234701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 234801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 234901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 235001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 235101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 235201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 235301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 235401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 235501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 235601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 235701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2358f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 23590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 23600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 23610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 23620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 23640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 23650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 23660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 23670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2368726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 23690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 23700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 23710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2372726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 23730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 23740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 2376726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy switch (paintCopy.getTextAlign()) { 23770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 23780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 23790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 23800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 23810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 23820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 23830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 23840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 23850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 23860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 2388726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2389f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 23900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2391e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 23920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2393e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2394f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2395f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2396f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2397f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2398f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2399e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2400e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 24010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 24020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 24030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2404e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2405e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2406e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2407e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 24080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 24090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 24100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 24110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2412e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2413e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2414e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2415e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 24160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2417e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2418726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2419e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2420726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 24210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 24220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 24230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 24240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2425026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 24261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2427d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 242806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2429d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2430d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2431d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 243270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 243370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 243470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 243570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 243670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 243770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 243870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 243970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 244070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 244170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 244270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2443c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2444c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2445c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2446c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 244782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 24488164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 244982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 245082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 245182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 245282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2453d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 24548164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 24556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 24566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 24576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 24586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2459d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 24606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 24616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 24626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 24636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2464d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 24656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 24666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 24676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 24686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 246985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 247085bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2471bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2472a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2473a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 247403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2475f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2476f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2477f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2478a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 24796820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 24805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 24818694230ff25fa0a60e480d424843e56b718f0516Romain Guy 248270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 248370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 248470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 248570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 248670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 248770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 248870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 248970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2490db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 24915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 249270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 249303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 249470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2495db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 249686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 249770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 249870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 249970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2500db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 25016820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 250270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 250370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 250482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 250582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2506a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2507f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 250882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 250982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 25102ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy if (mode <= SkXfermode::kScreen_Mode) { 2511a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mCaches.blend) { 2512a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glEnable(GL_BLEND); 2513a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 251482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2515f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 2516f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 251782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2518a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 2519a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glBlendFunc(sourceMode, destMode); 2520a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastSrcMode = sourceMode; 2521a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastDstMode = destMode; 2522a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2523a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2524a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // These blend modes are not supported by OpenGL directly and have 2525a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // to be implemented using shaders. Since the shader will perform 2526a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // the blending, turn blending off here 2527746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (mCaches.extensions.hasFramebufferFetch()) { 2528a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2529f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2530a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2531a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 2532a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mCaches.blend) { 2533a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glDisable(GL_BLEND); 2534a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2535a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy blend = false; 253682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2537fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 253882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 253982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2540fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2541bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2542bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2543889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2544d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2545fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2546d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2547fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 25486926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2549260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 25506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2551260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2552260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2553026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2554ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 255582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 255682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 255782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 255882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 25598ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 25608ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 25615c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 25628ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 25632ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy *mode = getXfermode(paint->getXfermode()); 25648ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 25658ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 25668ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 25678ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 25688ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 25698ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 25708ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 25718ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 25728ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 25738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 25748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 25758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2576026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2577026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2578a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2579d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger SkXfermode::Mode resultMode; 2580d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger if (!SkXfermode::AsMode(mode, &resultMode)) { 2581d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger resultMode = SkXfermode::kSrcOver_Mode; 2582a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2583d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger return resultMode; 2584a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2585a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 25869d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2587e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2588