OpenGLRenderer.cpp revision 15bc6437f8b4cf10dba55c7638d349e7b9563f4f
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); 14715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 1483e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glEnableVertexAttribArray(Program::kBindingPosition); 149e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 150e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1516b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guyvoid OpenGLRenderer::prepare(bool opaque) { 1527d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1537d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1547d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1557d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guyvoid OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 156fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 157fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1588aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1598aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 16084962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 1618fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 162f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 16339d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy glViewport(0, 0, mWidth, mHeight); 1647d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy glScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 16539d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy 1667d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 16739d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy mDirtyClip = false; 1687d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1696b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 1706b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 1716b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 172bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 173bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 174b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 175b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 176b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 177b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 178b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy LOGD("GL error from OpenGLRenderer: 0x%x", status); 179a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 180a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 181a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy LOGE(" OpenGLRenderer is out of memory!"); 182a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 183a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 184b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 185b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 186c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 187c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 188e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 189e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 190e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 191e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 192c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 193b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 194b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 1956c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 196da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 197da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 198da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 199da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 200da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 201da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 20250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 20315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 204f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetVertexPointers(); 20515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 206da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 207da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2086c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 20908837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase sp<Snapshot> snapshot = (mSnapshot != NULL) ? mSnapshot : mFirstSnapshot; 21008837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase 21108837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glViewport(0, 0, snapshot->viewport.getWidth(), snapshot->viewport.getHeight()); 2123e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 2133e263fac8c9c0e0fb242186b514a7af8efb40961Romain Guy 214da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 215746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 216da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 21708837c246c9c27902c59b41c8661c2f27a4aa2bcChet Haase glBindFramebuffer(GL_FRAMEBUFFER, snapshot->fbo); 21850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 21950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 22050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 22150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 22250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 223da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 224da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 225cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guybool OpenGLRenderer::callDrawGLFunction(Functor *functor, Rect& dirty) { 226daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 227f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 228f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 229f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 230d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 23180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 23280911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 23380911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 234d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 235d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 236d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 237d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 238d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 239d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 240d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 241d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 24208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 24308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 24408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 24508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 24608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 24708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 24808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 24980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 25008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy status_t result = (*functor)(0, &info); 251cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 252cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy if (result != 0) { 25308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 254cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 255cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 256cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 257daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 258cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return result != 0; 259daf98e941e140e8739458126640183b9f296a2abChet Haase} 260daf98e941e140e8739458126640183b9f296a2abChet Haase 261f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 262f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 263f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 264f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 265bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 2667ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 267bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 268bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 269bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 2708aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 271bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 272bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 273bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 2742542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 2752542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2767ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 277bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 278bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 279bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 2808fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 281bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2828fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 2832542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2847ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 285bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 286bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2878aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 2888aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 2898fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 290bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 291bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 292bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 2937ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 294bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 295eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 296bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 297bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 2987ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 299bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 300eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 301eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 302eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 303eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 304eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 305eb99356a0548684a501766e6a524529ab93304c8Romain Guy 3068b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 3078b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 3088b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 3092542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 310746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 3118fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 3122542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 3135ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 3145ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 3155ec9924d24495822b589f1a17996655d66273b30Romain Guy } 3165ec9924d24495822b589f1a17996655d66273b30Romain Guy 3172542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 318d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 3195cbbce535744b89df5ecea95de21ee3733298260Romain Guy 320f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 321bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 322bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 323bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 324bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 3255c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 326eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 327eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 328d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 329af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 330e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 331e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 332e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 333e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 334e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 335e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 336e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 337e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 338e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 339e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 340e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 341e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 342e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 343a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 344a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 345e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 346d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 347d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 348dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 349dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 350d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 351d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 352bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 353bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 354bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 355bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 3565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 3578aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 3588b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 3598aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 3608aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 3618aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 3628b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 363d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 364bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 3661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 3671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 3681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 3691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 3701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 3711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 3721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 3741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 3751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 3761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 3771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 3781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 3791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 3801c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 3826b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 3836b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 3846b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 3856b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 3861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 3881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 3891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 39087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 3911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 3921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 3931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 3951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 3961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 3971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 3981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 3991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 4011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 4021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 4031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 4041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 4051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 4061c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4071c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 4081c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 4091c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 41087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 41187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 41287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 41387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 41487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 4151c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 416d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 417eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 418eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 419eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 420fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 421dda570201ac851dd85af3861f7e575721d3345daRomain Guy 422eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 423eb99356a0548684a501766e6a524529ab93304c8Romain Guy 424f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 4258aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 4267b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 427eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 428ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 429eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 430ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 431ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 432ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 433ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 434ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 435ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 436ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 437ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 438ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 439ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 440ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 441ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 442ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 443eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 444bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 445746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 446746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 44732963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 448dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 449e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 450dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 451dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 452dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 453af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 454b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 455b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 456dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glActiveTexture(gTextureUnits[0]); 4588550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 459f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 460f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 461bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 462bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 4648aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 4659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 4669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 4679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 468dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4698fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 4708fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 471dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 4721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 473eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 4745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 475eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 476eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 4779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 478514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 4799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 4809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.left, snapshot->height - bounds.bottom, 4829ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 4839ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 484514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 485514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 486514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 487514fb18827186591d66973c2362c859b64b63556Romain Guy } 4887b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 48954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 49054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 491ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 492eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 493f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 494d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 495bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 496bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 4985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 4999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 5005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 5025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 5035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 5045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 5075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 5085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 5095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 5115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 5135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 5145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 5165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 5185ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 5195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 5219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy snapshot->fbo = layer->getFbo(); 5225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 5235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 5245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 5255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 5265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 5275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 5285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 5309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 5319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 5325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 5349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 5369ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 5375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 5409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 5415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 5435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 5445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 5455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy LOGE("Framebuffer incomplete (GL error code 0x%x)", status); 5465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 5489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 5499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 5505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 5525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 5545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 5585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 5595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 5605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 5615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 5635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 5655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 5665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 5675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 5695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 5731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 5741d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 5751d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 5761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LOGE("Attempting to compose a layer that does not exist"); 5771d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 5781d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5791d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 581eb99356a0548684a501766e6a524529ab93304c8Romain Guy 582eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 583eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 584eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 585eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 586eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5871d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 5881d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 5891d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 591f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 5929ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 5935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 5949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 595f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 596f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 59703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 5988b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 599746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 603eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 6059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 6069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 607171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 6099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 610171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 611171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 6139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 6149ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 615eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 6161d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 617eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6189c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // Note: No need to use glDiscardFramebufferEXT() since we never 6199c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // create/compose layers that are not on screen with this 6209c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // code path 6219c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy // See LayerRenderer::destroyLayer(Layer*) 6229c4b79af221b53f602f946faa9ff317a596a0c39Romain Guy 623eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 624eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 625eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 626eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 627eb99356a0548684a501766e6a524529ab93304c8Romain Guy 628eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 629eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 630eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 631eb99356a0548684a501766e6a524529ab93304c8Romain Guy 632746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 633746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 634eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 6358550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 6361d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 6379ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6381d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 6391d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6401d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 6411d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 642aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 6439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 644aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 645302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 646302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 647302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 648302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 649302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 650302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 651aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 6529ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 6538f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 6548f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 6558f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 6568f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 6578f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 658aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 659aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 6609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 661aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 662aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 663aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 6649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 6659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 6668f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 6679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 6688f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 669ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 670ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 671ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 6729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 6739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 6749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 675d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 6769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 6779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 678d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 6799ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 6809ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 6819ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 682aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 683aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 684aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 685aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 686aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 687302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 688302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 689302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 690302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 691aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 692aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 6935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 6949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 695aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 696aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 697aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 6985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 7009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 701b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 702ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 703b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 704b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 705b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 7069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 7079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 7089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 712d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST, true); 7139ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 714d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR, true); 7159ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 7179ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 7189ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 7199ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 7209ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 7219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 7225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 723aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 724aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 725aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 726aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 727aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 728aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 7295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 7325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 7335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 7349fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 7359fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 73640667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 7379fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 7385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 7395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 7405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7428a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 7438a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 7445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!layer->region.isEmpty()) { 7455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 7465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 7475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 7499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 7509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 751f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 7525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 7545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 7555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7567230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 7577230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 7587230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 759ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 7609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 7617230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 7627230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 7637230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 764ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 7659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 7679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 770d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 7719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 773d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 7749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 7759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 77615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawMeshIndices(&mesh[0].position[0], &mesh[0].texture[0]); 7775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 7795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 7805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 782f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 7835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 784f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 7855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 7875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 7885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 7895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 7905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 7915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 7935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 7955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 7975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 7985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 8025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 8035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8057230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 8065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8083a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 8095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 8145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 8155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 8193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 8213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 8223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 8243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 8253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 8263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 8273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 8293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 8303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 8323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 8333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 8343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 8353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 8363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 8383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 8393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 8403a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 8413a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 8423a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 8433a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 8455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 8465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 847f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 8485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 8495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 850f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 8565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 8575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 858f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 8595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 860f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 8611bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 8621bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 8631bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 8641bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 8651bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 8661bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 8671bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 8681bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 8691bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 8701bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 8711bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 8725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 87754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 87854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 87954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 88054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 88154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 88254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 88354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 88454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 88554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 88654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 88754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 88854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 88954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDisable(GL_SCISSOR_TEST); 89054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 89154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 89254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 89354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 89454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 89554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 89654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 89754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 89854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 89954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 90054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 90154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 90254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 90354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 90454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 90554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 90654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 90754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 90854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 90954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 91054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 91154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 91254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 91339d252a6632d057d5077f7eaf1b8ed7a142f3397Romain Guy setupDrawVertices(&mesh[0].position[0]); 91454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 91554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 91654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 91754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glEnable(GL_SCISSOR_TEST); 91854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 91954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 92054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 92154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 92254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 92354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 92454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 92554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 92654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 927bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 928f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 929f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 930f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 931f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 9328aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 933f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 934f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 935f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 9368aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 937f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 938f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 939f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 9408aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 941f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 942f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 943807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 944807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 945807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 946807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 947f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 948e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy if (matrix) { 949e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->load(*matrix); 950e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } else { 951e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy mSnapshot->transform->loadIdentity(); 952e707859415f4c8e1c01228dfaa58fb0a690d442eRomain Guy } 953f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 954f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 955f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 9568aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 957f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 958f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 959f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 960e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 961e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 962e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 963e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 964f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 965f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 966f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 967f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 968f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 969f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 970bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 971e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 972e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 973eb99356a0548684a501766e6a524529ab93304c8Romain Guy glScissor(clip.left, mSnapshot->height - clip.bottom, clip.getWidth(), clip.getHeight()); 974746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 9759d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 9769d5316e3f56d138504565ff311145ac01621dff4Romain Guy 9779d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 978079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 979bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 980bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 981c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 982af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 983dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 984dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 985dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 9861d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 9878aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 988d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 989d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 990d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 991d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 992d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 993d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 994c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 995c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 996079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 997079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 9987ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 999746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 10007ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 10018aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 1002e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 1003e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1004f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 100570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 100670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 100770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 100954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 101070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 101170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 101270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 101370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 101470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 101570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 101670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 101770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 101870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 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 103015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawNoTexture() { 103115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.disbaleTexCoordsVertexArray(); 103215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 103315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 10345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 103599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 10365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 10375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1038ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1039ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1040ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1041ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1042ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 104370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 10448d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 10458d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 10468d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 10478d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 10488d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 10496cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 10506cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 105170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1052fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1053fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1054fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 105570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 105670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 105770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 105870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 105986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 106086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 10616cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 10626cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 106386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 106486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 106586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 106686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 106786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 106886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 106986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 107086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 107170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 107270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 107370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 107470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 107570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 107670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 107770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 107870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 107970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 108086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 108186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 108286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 108386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 108486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 108586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 108686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 108786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 108886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 108970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 109070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 109170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 109270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 109370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 109470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 109570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 109670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 109770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 109870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 109970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 110070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1101f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1102f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1103f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1104f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 110554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1106f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1107f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1108f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 110970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1110f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1111f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1112f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 111370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 111470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 111570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 111670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 111770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1118f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1119f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1120f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 112170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 112270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 112370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 112470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 112570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 112670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 112770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 112870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 112970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 113070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 113170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 113270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 113370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 113470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 113570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 113670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 113770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 113870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 113970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 114070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 114170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 114270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 114370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 114470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 11458a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 11468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 11478d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11488d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 114970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 115070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 115170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 115270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 115370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 115470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 115570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 115670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 115786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 115886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 115986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 116086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 116186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 116286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 116386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 116486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 116586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 116686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 116770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 116870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1169ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1170ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1171ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1172ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1173ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 117470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 11755536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 117670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 117770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 117870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 117970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 118086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 11815536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 118286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 11835536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 11845536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 11855536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 118670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 118770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 118870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 118970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 119070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 119170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 119270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 119370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 11958d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 11968d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 11978d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 11988d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 11998d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 12008d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 120170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 120270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 120370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 120570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 120770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 1208f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.bindMeshBuffer(); 1209f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 0); 121015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 121170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 121370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 121470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 121570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 121615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 121770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 121870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1219aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1220aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 1221aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 122215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.enableTexCoordsVertexArray(); 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) { 1235f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = false; 123670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 1237f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 123870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 1239f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy force = mCaches.unbindMeshBuffer(); 124070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 1241d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 1242f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 124315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 124415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 124515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy } 124615bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 124715bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 124815bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy} 124915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy 125015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guyvoid OpenGLRenderer::setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords) { 125115bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy bool force = mCaches.unbindMeshBuffer(); 125215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, vertices); 125315bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy if (mCaches.currentProgram->texCoords >= 0) { 125415bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.bindTexCoordsVertexPointer(force, mCaches.currentProgram->texCoords, texCoords); 12558d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 125670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 125770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 1259f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1260f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1261f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gVertexStride); 126215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 12635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 12645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 12655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 12665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 126799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 126899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 126999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 127099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 127199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 127299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 127399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 127499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 12755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 127699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 127799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase GLvoid* lengthCoords, float boundaryWidthProportion) { 1278f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy bool force = mCaches.unbindMeshBuffer(); 1279f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.bindPositionVertexPointer(force, mCaches.currentProgram->position, 1280f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy vertices, gAAVertexStride); 1281f3a910b423db7ad79cf61518bdd9278c048ad0d8Romain Guy mCaches.resetTexCoordsVertexPointer(); 128215bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy mCaches.unbindIndicesBuffer(); 1283d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 128499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 128599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 128699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 1287d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 128899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 128999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 129099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 1291d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 12925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 129399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 1294d71dd367af604571c7d00ca473184a1b9240eca2Romain Guy 129599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 12965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 129799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 12985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 12995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 130070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 130170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 130270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 130370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1304f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1305f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1306f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 13077b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guybool OpenGLRenderer::drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, 13087b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy Rect& dirty, uint32_t level) { 13097b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (quickReject(0.0f, 0.0f, width, height)) { 13107b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy return false; 13117b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy } 13127b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 13130fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 13140fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 131504c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 1316cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return displayList->replay(*this, dirty, level); 13170fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 13187b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 1319daf98e941e140e8739458126640183b9f296a2abChet Haase return false; 13200fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 13210fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1322ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1323ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1324ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1325ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1326ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1327ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1328a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1329a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1330a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1331a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1332a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1333a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1334a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1335a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1336e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1337a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1338a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1339a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1340a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1341a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1342e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1343d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy } else { 1344d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1345a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1346a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1347a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1348a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 13495b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 13505b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 13515b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1352a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1353a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1354a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1355a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1356a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1357e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1358a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1359d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE); 1360d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter); 1361e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1362a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1363a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1364a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1365a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1366a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1367a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1368a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1369a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1370a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1371a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 13725c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 13736926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 13746926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 13756926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 13766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 13776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13786926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 138086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 13818164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13829cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 138322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 138422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1385a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (bitmap->getConfig() == SkBitmap::kA8_Config) { 1386a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1387a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1388a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1389a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 13908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 13918ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 13925c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1393f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1394f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1395f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1396f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 13976926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 13986926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13996926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14006926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 140186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 14028164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14039cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 140422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 140522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 14065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 14075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 14085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 14095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 14105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 14115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1412f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1413f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 14145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 14155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 14165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 14175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 14185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 14195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy glActiveTexture(gTextureUnits[0]); 14225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 14245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1425e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1426d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1427d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 14285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 14305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 14315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 14325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 14345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1435b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1436b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1437b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1438b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1439b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1440b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1441b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = hasLayer(); 1442b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1443b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = false; 1444b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1445b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1446a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1447a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 14485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 14495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 14505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 14515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 14525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 14545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 14555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 14565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 14575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 14595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 14605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 14615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 14625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 14635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 14645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 14655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 14665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 14685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 14695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 14705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 14725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 14735a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1474b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1475b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1476b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1477b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1478b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1479b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1480b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1481b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1482b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1483b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 14845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1487b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1488b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1489b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1490b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1491b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1492b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 14935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 14945a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1495b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 14965a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 14975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14988ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 14998ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 15008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 15015c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 15026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 15036926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 15046926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15056926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1506746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 15078164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15089cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 150922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 15108ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 15118ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 15128ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1513c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 15146816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 15156816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 15166816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 15176816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1518c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 151903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 15208ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 15218ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 152203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 152303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 152403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 152503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 1526d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1527d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy 15286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 15296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 15306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 15316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1532b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1533631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1534631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1535d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy filter = FILTER(paint); 1536b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1537b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 1538d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(filter, true); 15396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 15406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 15416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 15426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 15436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1544d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 15456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 15466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 15476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 15486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 15498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 15508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1551ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1552ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 15534aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 15544bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 15555c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 15566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 15576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 15586926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15596926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1560746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 15618164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15629cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 156322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1564d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 1565d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_LINEAR, true); 1566f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1567f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1568f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1569f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1570f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 15712728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 15724bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1573f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1574a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy if (mesh && mesh->verticesCount > 0) { 15756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1576a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 15775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 15788168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1579c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1580c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 15815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 15825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 15838ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 15846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 1585c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1586c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1587c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 15886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1589c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1590c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 15916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 15925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 15935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1594a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 15955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 15966620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 15976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 15986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 15996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 16006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 16016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 16026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 16036620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 16046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 16056620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 16066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 16076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 16086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 16096620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1610054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1611f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1612f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 161399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1614858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1615858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1616858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1617858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1618858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1619858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1620181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1621858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1622858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 1623858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1624858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!mSnapshot->transform->isPureTranslate()) { 1625858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1626858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1627858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1628858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1629858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1630858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1631858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1632858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1633858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1634858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1635858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1636858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1637858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1638858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDraw(); 163915bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 1640858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine(); 1641858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColor(color); 1642858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilter(); 1643858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShader(); 1644858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawBlending(true, mode); 1645858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawProgram(); 1646858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawModelViewIdentity(true); 1647858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorUniforms(); 1648858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilterUniforms(); 1649858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShaderIdentityUniforms(); 1650858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1651858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex rects[4]; 1652858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex* aaVertices = &rects[0]; 1653858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 1654858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 1655858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1656858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1657858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1658858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1659858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1660858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1661858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1662858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1663858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1664858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1665858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float width = right - left; 1666858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float height = bottom - top; 1667858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1668858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 1669858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 1670858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 1671858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 1672858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 1673858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 1674858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryHeightProportion)); 1675858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1676858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!quickReject(left, top, right, bottom)) { 1677858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1678858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1679858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1680858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1681858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1682858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 1683858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1684858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1685858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1686858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 168799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 168899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 168999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 169099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 169199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 169299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 169399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 169499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 169599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 169699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 169799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 169899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 169999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 170099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 170199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 170299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 170399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 17048a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 17058a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (mSnapshot->isIgnored()) return; 17068a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17078a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 170899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 170999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 171099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 17118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 17128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 17138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 171499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 171599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 171699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 17178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 17188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 17198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 17205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 17215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1722c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 172399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 172499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 172599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 172699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 172799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 172899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 172999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 173099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!mSnapshot->transform->isPureTranslate()) { 173199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 173299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 173399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 173499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 173599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 173699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 173799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 173899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float scaleX = sqrt(m00*m00 + m01*m01); 173999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float scaleY = sqrt(m10*m10 + m11*m11); 174099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 174199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 174299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 174399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 174499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 174599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 17465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17488a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 17498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 175015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 17518a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 17528a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 17538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 17548a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 17558a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 17568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 17578a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 17588a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawBlending(true, mode); 17598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 17608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawBlending(mode); 17618a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 17628a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 17638a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 17648a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 17658a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 17668a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 17678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 17698a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 177099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 177199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 17725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 177399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 17745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 17765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 177799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 177899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 17795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 17805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 17815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 178299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 178399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 178499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 17855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 17865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 178799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 178899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 178999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 179099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 17915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 179399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 179499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1795740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 179699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 179799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 179899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 179999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 18005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 18015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 18025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 18035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 180499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 180599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 180699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 18075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 18085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 180999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 18108a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 18118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 18128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 18138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 18148a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 18158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 18168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 18178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 18188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 18195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 182099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 182199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 182299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 182399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 182499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 182599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 182699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 182799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 182899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 182999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 183099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 183199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 183299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 183399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 18345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 18365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 18375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 18385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 183999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 184099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 184199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 184299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 184399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 184499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 184599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 184699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 184799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 184899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 184999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 185099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 185199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 185299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 185399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 185499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 185599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 185699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 18575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 18585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 18595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 18605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 18615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 18625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 186399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 18645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 18655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 18665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 18675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 18685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 18695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 18705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 18715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 18725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 18735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 18745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 18755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 18765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 18775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 18785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 18795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 18815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 18825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 18835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 18845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 18855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 18865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 188799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 188899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 188999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 189099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 189199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 189299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 189399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 189499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 189599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 189699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 189799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 189899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 189999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 190099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 190199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 190299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 190399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 190499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 190599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 190699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 19075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 19085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 19095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 19105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 19115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 191299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 191399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 191499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 19155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 19165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 191799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 191899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 191999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 192099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 19215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 19225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 19235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 192499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 192599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 192699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 19275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 19305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 19315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1934ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 1935ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 1936ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1937ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 1938ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 1939ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 19405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 1941ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 19428a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 1943ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 19448a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19458a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 19468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 19478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19488a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 1949ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 1950ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 1951ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1952ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1953ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 1954ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 1955ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1956ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 1957ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 1958ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1959ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 196015bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 19618a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 1962ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 1963ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 1964ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 1965ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 1966ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 19678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 1968ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 1969ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 1970ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 1971ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 1972ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 1973ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1974ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 1975ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 1976ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 19778a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 19788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 19798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 19808a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 19818a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1982ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 1983ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1984ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 1985ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1986ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 198785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 1988e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 1989af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1990e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 1991ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 1992ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 199370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 19943d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 1995c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 19969d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1997c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 199801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 199901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 200001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 200101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 200201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 200301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 200401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 200501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 200601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2007c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 2008c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 200901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 201001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 201101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 2012c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 2013c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 2014c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2015c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 201601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2017c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 2018c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2019c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2020c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 202101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 2022c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 2023c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 202401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2025c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 2026c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 202701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2028c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 2029c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 2030c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2031c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2032c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 20338b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 20348b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 20358b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 20368b2f5267f16c295f12faab810527cd6311997e34Romain Guy 20378b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 20388b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 20398b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 20408b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 20418b2f5267f16c295f12faab810527cd6311997e34Romain Guy 20428b2f5267f16c295f12faab810527cd6311997e34Romain Guy glActiveTexture(gTextureUnits[0]); 20438b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 20448b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 20458b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 20468b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 20478b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2048c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2049c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2050c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2051c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2052c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 2053c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2054c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 205501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 205601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 20575c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2058c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2059c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 2060c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 2061c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2062c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 20636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 20646926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 20656926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20666926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2067026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2068746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2069a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2070a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2071a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2072a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2073a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2074a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2075a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2076026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2077026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2078026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2079181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2080858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2081858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2082858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2083858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2084c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 20859d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2086e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2087cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy float x, float y, SkPaint* paint, float length) { 2088b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (text == NULL || count == 0) { 2089e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 2090e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2091af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2092e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 20938f9a9f61ab793d9387a5942b307e74324704893bRomain Guy // NOTE: AA and glyph id encoding are set in DisplayListRenderer.cpp 2094e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2095e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2096e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2097cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy if (length < 0.0f) length = paint->measureText(text, bytesCount); 2098e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2099e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2100e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2101cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy if (length < 0.0f) length = paint->measureText(text, bytesCount); 2102e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2103e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2104e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2105e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2106e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2107e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2108cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy SkPaint::FontMetrics metrics; 2109cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy paint->getFontMetrics(&metrics, 0.0f); 21108f9a9f61ab793d9387a5942b307e74324704893bRomain Guy // If no length was specified, just perform the hit test on the Y axis 2111cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy if (quickReject(x, y + metrics.fTop, 2112cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy x + (length >= 0.0f ? length : INT_MAX / 2), y + metrics.fBottom)) { 2113cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy return; 2114cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy } 2115cac5fd3e09e9dc918753d4aff624bf29a367ade3Romain Guy 21163a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 21173a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 21186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 21196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 21206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 21216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 21226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 21236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2124b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2125ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#if DEBUG_GLYPHS 2126ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio LOGD("OpenGLRenderer drawText() with FontID=%d", SkTypeface::UniqueID(paint->getTypeface())); 2127ef9bb3c3ea3aa08071ea0c32a505b379c322e5b5Fabrice Di Meglio#endif 2128b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2129fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2130e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 213186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 213286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 213386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 21349d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 21351e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 2136b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 213767ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get( 213867ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint, text, bytesCount, count, mShadowRadius); 21391e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 21400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2141740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 2142740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 214386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 214486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 2145740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 2146740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 2147740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 2148740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 214986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 215086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 215186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 215286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 2153740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2154740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 2155740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 215686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 215786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2158740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 215986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 216086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 2161740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 2162740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 216386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 21640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 21650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2166740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 216786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 21681e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 21691e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 2170b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (paint->getAlpha() == 0 && paint->getXfermode() == NULL) { 2171b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy return; 2172b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy } 2173b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy 21746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 21756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 21766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 21776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 21786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 21795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 218086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 218186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 218286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 218386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 218486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 218586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 218686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 218786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 218886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 218986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 219086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 219186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 219286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 219386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 219406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 21956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 21965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 21975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 21985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2199f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = hasLayer(); 22005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 2201f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = false; 22025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 2203894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 22046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 2205f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 22065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2207f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 22086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 22096620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 22106620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2211f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 22125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 22135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 22145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2215694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 22163a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2217694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2218694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 22197fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2220af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2221dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 222201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 22237fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2224fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 22259cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 222622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 22277fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 22288b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 22298b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 22308b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 223101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 22327fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 22337fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2234ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2235ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 22366c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 22376c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 22386c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22396c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glActiveTexture(gTextureUnits[0]); 22406c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22416c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 22426c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 22436c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 22446c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 22466c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2247f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2248c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (!layer->region.isEmpty()) { 2249c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 225040667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2251c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 22528168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2253c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2254c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2255c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2256c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 22578168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2258c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 22599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2260c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2261c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2262c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 22639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 22649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 22659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 22669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 22679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 2268d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_NEAREST); 22699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 22709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), true); 22719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 2272d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy layer->setFilter(GL_LINEAR); 22739ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 22749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 22759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2276c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2277c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2278c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2279c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2280c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2281c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 22823a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 22833a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 22843a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 22853a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2286c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2287f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2288f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2289ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2290ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2291f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 22926c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 22936c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22946926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2295d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2296d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2297d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2298d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 229906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 230006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 230106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 230206f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 230306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 230406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2305fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 230606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 23077fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 23087fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2309d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2310db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2311db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2312db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2313db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2314db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2315db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2316db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2317db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2318db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2319db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2320db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2321db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 23221e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 23231e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 23241e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23251e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 23261e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 23271e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 23281e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23291e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 23301e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 23311e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 23321e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 23331e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 23341e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 23351e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 23361e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23371e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 23386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 23396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 23406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 234101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 234201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 234301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 234401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 234501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 234601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 234701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 234801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 234901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 235001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 235101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 235201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 235301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 235401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 235501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 235601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 235701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 235801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 235901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 236001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 236101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 236201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 236301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 236401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 236501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 236601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 236701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 236801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 236901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2370f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 23710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 23720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 23730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 23740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 23760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 23770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 23780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 23790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2380726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 23810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 23820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 23830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2384726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 23850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 23860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 2388726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy switch (paintCopy.getTextAlign()) { 23890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 23900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 23910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 23920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 23930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 23940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 23950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 23960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 23970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 23980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 2400726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2401f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 24020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2403e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 24040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2405e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2406f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2407f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2408f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2409f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2410f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2411e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2412e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 24130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 24140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 24150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2416e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2417e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2418e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2419e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 24200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 24210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 24220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 24230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2424e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2425e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2426e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2427e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 24280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2429e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2430726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2431e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2432726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 24330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 24340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 24350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 24360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2437026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 24381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2439d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 244006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2441d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2442d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2443d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 244470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 244515bc6437f8b4cf10dba55c7638d349e7b9563f4fRomain Guy setupDrawNoTexture(); 244670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 244770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 244870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 244970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 245070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 245170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 245270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 245370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 245470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 245570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2456c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2457c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2458c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2459c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 246082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 24618164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 246282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 246382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 246482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 246582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2466d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, true); 24678164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 24686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 24696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 24706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 24716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2472d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(GL_NEAREST, true); 24736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 24746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 24756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 24766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2477d21b6e1fe337b35f62cf2028e9bd0637fd009a75Romain Guy texture->setFilter(FILTER(paint), true); 24786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 24796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 24806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 24816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 248285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 248385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2484bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2485a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2486a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 248703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2488f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2489f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2490f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2491a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 24926820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 24935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 24948694230ff25fa0a60e480d424843e56b718f0516Romain Guy 249570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 249670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 249770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 249870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 249970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 250070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 250170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 250270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2503db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 25045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 250570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 250603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 250770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2508db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 250986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 251070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 251170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 251270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2513db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 25146820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 251570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 251670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 251782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 251882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2519a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2520f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 252182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 252282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 25232ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy if (mode <= SkXfermode::kScreen_Mode) { 2524a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mCaches.blend) { 2525a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glEnable(GL_BLEND); 2526a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 252782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2528f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 2529f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 253082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2531a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 2532a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glBlendFunc(sourceMode, destMode); 2533a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastSrcMode = sourceMode; 2534a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastDstMode = destMode; 2535a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2536a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2537a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // These blend modes are not supported by OpenGL directly and have 2538a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // to be implemented using shaders. Since the shader will perform 2539a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // the blending, turn blending off here 2540746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (mCaches.extensions.hasFramebufferFetch()) { 2541a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2542f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2543a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2544a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 2545a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mCaches.blend) { 2546a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glDisable(GL_BLEND); 2547a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2548a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy blend = false; 254982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2550fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 255182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 255282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2553fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2554bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2555bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2556889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2557d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2558fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2559d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2560fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 25616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2562260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 25636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2564260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2565260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2566026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2567ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 256882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 256982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 257082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 257182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 25728ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 25738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 25745c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 25758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 25762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy *mode = getXfermode(paint->getXfermode()); 25778ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 25788ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 25798ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 25808ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 25818ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 25828ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 25838ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 25848ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 25858ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 25868ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 25878ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 25888ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2589026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2590026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2591a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2592d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger SkXfermode::Mode resultMode; 2593d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger if (!SkXfermode::AsMode(mode, &resultMode)) { 2594d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger resultMode = SkXfermode::kSrcOver_Mode; 2595a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2596d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger return resultMode; 2597a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2598a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 25999d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2600e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2601