OpenGLRenderer.cpp revision 2ffefd48e20d311b38c0673edadb27c1f6ad328b
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 509d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 519d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 529d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy 54889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 55889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 56889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 63026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 64026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 65026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 662ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 672ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 682ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 692ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 702ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 712ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 722ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 732ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 742ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 752ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 762ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 772ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 782ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 792ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_ZERO, GL_SRC_COLOR }, 802ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE, GL_ONE_MINUS_SRC_COLOR } 81026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 82e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 86f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 872ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 882ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 892ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 902ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 912ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 922ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 932ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 942ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 952ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 962ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 972ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 992ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kPlus_Mode, GL_ONE, GL_ONE }, 1002ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kMultiply_Mode, GL_DST_COLOR, GL_ZERO }, 1012ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy { SkXfermode::kScreen_Mode, GL_ONE_MINUS_DST_COLOR, GL_ONE } 102f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 103f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 104889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystatic const GLenum gTextureUnits[] = { 105b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE0, 106b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE1, 107b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE2 108d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy}; 109d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 110f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 111f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 112f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 113f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 114fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 11506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 116db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 118026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 119ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 120ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 121ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 122e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 123e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 12485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 12529d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12629d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 127e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 128e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 129f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 130f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 131f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 132f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 13385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 134f2fc460a9512500d9d5749fbaada88903d8e3b22Romain Guy glDisable(GL_DITHER); 13508ae317c21ec3086b5017672bba87420cc38a407Romain Guy glViewport(0, 0, width, 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 144746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 145e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 146e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1476b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guyvoid OpenGLRenderer::prepare(bool opaque) { 1487d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1497d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1507d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1517d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guyvoid OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 152fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 153fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1548aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 15684962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 15784962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy 1588fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 159f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 160fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glViewport(0, 0, mWidth, mHeight); 161bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1627d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy glEnable(GL_SCISSOR_TEST); 1637d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy glScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 1647d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 1657d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1666b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 1676b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 1686b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 1696b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 170bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 171bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 172b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 173b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 174b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 175b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 176b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy LOGD("GL error from OpenGLRenderer: 0x%x", status); 177a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 178a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 179a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy LOGE(" OpenGLRenderer is out of memory!"); 180a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 181a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 182b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 183b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 184c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 185c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 186e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 187e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 188e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 189e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 190c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 191b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 192b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 1936c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 194da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 195da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 196da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 197da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 198da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 199da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 20050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 201da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 202da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2036c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 204eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(0, 0, mSnapshot->viewport.getWidth(), mSnapshot->viewport.getHeight()); 205da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 206da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 207746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 208da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 209f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glDisable(GL_DITHER); 210f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 21142f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 21203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 21350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 21450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 21550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 21650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 21750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 218da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 219da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 220cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guybool OpenGLRenderer::callDrawGLFunction(Functor *functor, Rect& dirty) { 221daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 222f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 223f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 224f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 225d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 22680911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 22780911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 22880911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 229d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 230d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 231d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 232d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 233d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 234d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 235d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 236d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 23708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 23808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 23908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 24008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 24108aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 24208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 24308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 24480911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 24508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy status_t result = (*functor)(0, &info); 246cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 247cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy if (result != 0) { 24808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 249cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 250cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 251cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 252daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 253cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return result != 0; 254daf98e941e140e8739458126640183b9f296a2abChet Haase} 255daf98e941e140e8739458126640183b9f296a2abChet Haase 256f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 257f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 258f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 259f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 260bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 2617ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 262bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 263bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 264bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 2658aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 266bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 267bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 268bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 2692542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 2702542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2717ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 272bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 273bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 274bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 2758fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 276bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2778fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 2782542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2797ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 280bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 281bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2828aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 2838aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 2848fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 285bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 286bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 287bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 2887ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 289bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 290eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 291bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 292bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 2937ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 294bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 295eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 296eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 297eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 298eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 299eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 300eb99356a0548684a501766e6a524529ab93304c8Romain Guy 3018b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 3028b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 3038b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 3042542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 305746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 3068fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 3072542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 3085ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 3095ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 3105ec9924d24495822b589f1a17996655d66273b30Romain Guy } 3115ec9924d24495822b589f1a17996655d66273b30Romain Guy 3122542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 313d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 3145cbbce535744b89df5ecea95de21ee3733298260Romain Guy 315f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 316bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 317bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 318bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 319bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 3205c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 321eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 322eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 323d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 324af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 325e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 326e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 327e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 328e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 329e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 330e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 331e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 332e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 333e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 334e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 335e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 336e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 337e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 338a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 339a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 340e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 341d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 342d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 343dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 344dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 345d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 346d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 347bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 348bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 349bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 350bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 3515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 3528aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 3538b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 3548aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 3558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 3568aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 3578b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 358d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 359bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 3611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 3621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 3631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 3641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 3651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 3661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 3671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 3691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 3701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 3711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 3721c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 3731c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 3741c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 3751c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 3776b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 3786b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 3796b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 3806b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 3811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 3831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 3841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 38587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 3861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 3871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 3881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 3901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 3911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 3921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 3931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 3941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 3961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 3971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 3981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 3991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 4001c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 4011c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 4021c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 4031c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 4041c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 40587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 40687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 40787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 40887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 40987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 4101c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 411d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 412eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 413eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 414eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 415fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 416dda570201ac851dd85af3861f7e575721d3345daRomain Guy 417eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 418eb99356a0548684a501766e6a524529ab93304c8Romain Guy 419f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 4208aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 4217b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 422eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 423ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 424eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 425ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 426ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 427ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 428ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 429ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 430ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 431ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 432ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 433ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 434ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 435ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 436ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 437ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 438eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 439bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 440746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 441746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 44232963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 443dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 444e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 445dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 446dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 447dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 448af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 449b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 450b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 451dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glActiveTexture(gTextureUnits[0]); 4538550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 454f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 455f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 456bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 457bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 4598aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 4609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->getHeight()), 4619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.getWidth() / float(layer->getWidth()), 0.0f); 4629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setColorFilter(mColorFilter); 463dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4648fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 4658fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 466dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 4671d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 468eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 4695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 470eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 471eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 4729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 473514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 4749ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 4759ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 4769ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy bounds.left, snapshot->height - bounds.bottom, 4779ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getWidth(), layer->getHeight(), 0); 4789ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 479514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 480514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 481514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 482514fb18827186591d66973c2362c859b64b63556Romain Guy } 4837b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 48454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 48554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 486ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 487eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 488f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 489d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 490bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 491bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 4935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 4949ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFbo(mCaches.fboCache.get()); 4955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 4975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 4985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 4995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 5025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 5035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 5045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 5065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 5085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 5095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 5115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 5135ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 5145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 5169ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy snapshot->fbo = layer->getFbo(); 5175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 5185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 5195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 5205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 5215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 5225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 5235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 5259ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->getFbo()); 5269ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->bindTexture(); 5275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 5299ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->isEmpty()) { 5309ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->allocateTexture(GL_RGBA, GL_UNSIGNED_BYTE); 5319ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setEmpty(false); 5325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 5359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), 0); 5365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 5385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 5395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 5405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy LOGE("Framebuffer incomplete (GL error code 0x%x)", status); 5415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 5439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 5449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy mCaches.fboCache.put(layer->getFbo()); 5455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 5475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 5495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 5535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 5545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 5575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 5595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 5615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 5625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 5635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 5655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 5691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 5701d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 5711d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 5721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LOGE("Attempting to compose a layer that does not exist"); 5731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 5741d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5751d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 577eb99356a0548684a501766e6a524529ab93304c8Romain Guy 578eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 579eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 580eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 581eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 582eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5831d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 5841d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 5851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5869ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!fboLayer && layer->getAlpha() < 255) { 587f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 5889ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getAlpha() << 24, SkXfermode::kDstIn_Mode, true); 5895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 5909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(255); 591f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 592f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 59303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 5948b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 595746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 5965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 599eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 6019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 6029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupColorFilter(layer->getColorFilter()); 603171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 6059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getColorFilter()) { 606171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 607171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else if (!rect.isEmpty()) { 6099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 6109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy composeLayerRect(layer, rect, true); 611eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 6121d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 613eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 614eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 615eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 616eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 617eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 618eb99356a0548684a501766e6a524529ab93304c8Romain Guy 619eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 620eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 621eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 622eb99356a0548684a501766e6a524529ab93304c8Romain Guy 623746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 624746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 625eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 6268550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 6271d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 6289ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->deleteTexture(); 6291d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 6301d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6311d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 6321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 633aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 6349ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float alpha = layer->getAlpha() / 255.0f; 635aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 636302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mat4& transform = layer->getTransform(); 637302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 638302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy save(0); 639302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy mSnapshot->transform->multiply(transform); 640302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 641302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 642aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 6439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 6448f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 6458f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 6468f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 6478f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 6488f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 649aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 650aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 6519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode()); 652aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 653aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 654aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 6559ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (layer->getRenderTarget() == GL_TEXTURE_2D) { 6569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 6578f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 6589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawExternalTexture(layer->getTexture()); 6598f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 660ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy if (mSnapshot->transform->isPureTranslate() && 661ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 662ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getHeight() == (uint32_t) rect.getHeight()) { 6639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 6649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 6659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 6669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFilter(GL_NEAREST, GL_NEAREST); 6679ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 6689ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 6699ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFilter(GL_LINEAR, GL_LINEAR); 6709ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 6719ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 6729ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTextureTransformUniforms(layer->getTexTransform()); 673aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 674aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 675aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 676aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 677aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 678302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy 679302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy if (!transform.isIdentity()) { 680302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy restore(); 681302a9df1d50373c82923bb84ff665dfce584fb22Romain Guy } 682aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 683aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 6845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 6859ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!layer->isTextureLayer()) { 686aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 687aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 688aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 6895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6909ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float x = rect.left; 6919ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy float y = rect.top; 692b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy bool simpleTransform = mSnapshot->transform->isPureTranslate() && 693ec19b4a764d512091a780fc93ced567dfbf80914Romain Guy layer->getWidth() == (uint32_t) rect.getWidth() && 694b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy layer->getHeight() == (uint32_t) rect.getHeight(); 695b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy 696b2479153b743df9e54f7e17c7132a5ecd87fa453Romain Guy if (simpleTransform) { 6979ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy // When we're swapping, the layer is already in screen coordinates 6989ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (!swap) { 6999ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7009ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7019ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7029ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 7039ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFilter(GL_NEAREST, GL_NEAREST, true); 7049ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 7059ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFilter(GL_LINEAR, GL_LINEAR, true); 7069ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7079ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 7089ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy drawTextureMesh(x, y, x + rect.getWidth(), y + rect.getHeight(), 7099ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getTexture(), layer->getAlpha() / 255.0f, 7109ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->getMode(), layer->isBlend(), 7119ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 7129ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy GL_TRIANGLE_STRIP, gMeshCount, swap, swap || simpleTransform); 7135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 714aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 715aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 716aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 717aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 718aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 719aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 7205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 7235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 7245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 7259fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 7269fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 72740667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 7289fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 7295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 7305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 7315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7338a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // TODO: See LayerRenderer.cpp::generateMesh() for important 7348a3957d43bcae93fbb9f6b4b4c3de8abdb3c953cRomain Guy // information about this implementation 7355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!layer->region.isEmpty()) { 7365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 7375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 7385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float alpha = layer->getAlpha() / 255.0f; 7409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texX = 1.0f / float(layer->getWidth()); 7419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float texY = 1.0f / float(layer->getHeight()); 742f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 7435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 7455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 7465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7477230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 7487230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 7497230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 750ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 7519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || alpha < 1.0f, layer->getMode(), false); 7527230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 7537230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 7547230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 755ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 7569ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 7579ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 7589ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float x = (int) floorf(rect.left + mSnapshot->transform->getTranslateX() + 0.5f); 7599ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy const float y = (int) floorf(rect.top + mSnapshot->transform->getTranslateY() + 0.5f); 7609ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 7619ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFilter(GL_NEAREST, GL_NEAREST); 7629ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, x + rect.getWidth(), y + rect.getHeight(), true); 7639ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 7649ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFilter(GL_LINEAR, GL_LINEAR); 7659ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 7669ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 7677230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0]); 7685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 7705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 7715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 773f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 7745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 775f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 7765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 7785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 7795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 7805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 7815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 7825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 7845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 7865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 7885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 7895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 7935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 7977230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 7985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 8015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 8045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 8065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 8075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8103a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 8113a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 8123a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 8133a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 8143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8153a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 8163a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 8173a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 8183a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 8193a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8203a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 8213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 8223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 8243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 8253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 8263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 8273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 8283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 8303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 8313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 8323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 8333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 8343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 8353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 8365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 8375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 8385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 839f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 8405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 8415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 842f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 8435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 8475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 8485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 8495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 850f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 8515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 852f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 8531bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 8541bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 8551bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 8561bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 8571bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 8581bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 8591bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 8601bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 8611bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 8621bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 8631bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 8645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 86954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 87054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 87154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 87254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 87354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 87454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 87554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 87654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 87754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 87854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 87954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 88054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 88154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDisable(GL_SCISSOR_TEST); 88254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 88354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 88454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 88554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 88654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 88754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 88854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 88954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 89054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 89154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 89254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 89354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 89454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 89554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 89654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 89754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 89854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 89954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 90054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 90154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 90254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 90354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 90454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 90554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 90654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mCaches.unbindMeshBuffer(); 90754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 90854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy gVertexStride, &mesh[0].position[0]); 90954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 91054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 91154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glEnable(GL_SCISSOR_TEST); 91254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 91354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 91454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 91554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 91654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 91754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 91854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 91954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 92054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 921bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 922f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 923f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 924f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 925f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 9268aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 927f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 928f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 929f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 9308aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 931f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 932f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 933f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 9348aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 935f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 936f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 937807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 938807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 939807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 940807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 941f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 9428aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->load(*matrix); 943f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 944f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 945f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 9468aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 947f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 948f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 949f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 950e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 951e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 952e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 953e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 954f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 955f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 956f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 957f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 958f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 959f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 960bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 961e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 962e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 963eb99356a0548684a501766e6a524529ab93304c8Romain Guy glScissor(clip.left, mSnapshot->height - clip.bottom, clip.getWidth(), clip.getHeight()); 964746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 9659d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 9669d5316e3f56d138504565ff311145ac01621dff4Romain Guy 9679d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 968079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 969bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 970bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 971c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 972af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 973dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 974dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 975dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 9761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 9778aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 978d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 979d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 980d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 981d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 982d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 983d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 984c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 985c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 986079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 987079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 9887ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 989746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 9907ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 9918aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 992e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 993e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 994f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 99570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 99670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 99770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 99854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 99954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 100070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 100170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 100270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 100370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 100470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 100570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 100670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 100770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 100870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 10098d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mTexCoordsSlot = -1; 101070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 101170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 101270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 101370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 101470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 101570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 101670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1017aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 1018aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 1019aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1020aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 10215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 102299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 10235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 10245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1025ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 1026ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 1027ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 1028ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1029ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 103070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 10318d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 10328d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 10338d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 10348d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 10358d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 10366cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 10376cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 103870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 1039fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 1040fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 1041fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 104270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 104370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 104470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 104570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 104686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 104786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 10486cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 10496cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 105086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 105186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 105286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 105386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 105486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 105586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 105686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 105786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 105870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 105970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 106070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 106170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 106270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 106370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 106470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 106570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 106670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 106786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 106886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 106986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 107086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 107186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 107286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 107386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 107486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 107586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 107670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 107770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 107870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 107970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 108070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 108170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 108270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 108370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 108470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 108570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 108670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 108770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1088f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1089f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1090f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1091f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 109254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1093f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1094f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1095f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 109670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1097f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1098f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1099f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 110070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 110170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 110270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 110370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 110470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1105f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1106f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1107f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 110870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 110970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 111070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 111170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 111270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 111370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 111470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 111570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 111670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 111770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 111870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 111970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 112070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 112170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 112270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 112370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 112470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 112570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 112670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 112770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 112870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 112970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 113070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 113170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 11328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 11338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 11348d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11358d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 113670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 113770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 113870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 113970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 114070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 114170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 114270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 114370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 114486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 114586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 114686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 114786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 114886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 114986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 115086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 115186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 115286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 115386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 115470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 115570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1156ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1157ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1158ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1159ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1160ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 116170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 11625536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 116370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 116470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 116570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 116670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 116786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 11685536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 116986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 11705536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 11715536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 11725536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 117370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 117470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 117570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 117670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 117770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 117870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 117970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 118070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 118170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 11828d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 11838d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 11848d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 11858d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 11868d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11878d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 118870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 118970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 119070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 119170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 119270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 119470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 119570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(); 119670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 119770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, 0); 119870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 120070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 120170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 120270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 120370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 120470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 120570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 120670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 120770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1208aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1209aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 1210aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 1211aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1212aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 1213aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 1214aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1215aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 12168f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 12178f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 12188f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 12198f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 12208f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1221aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1222aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1223aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1224aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 122570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 122670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 122770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 122870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 122970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.unbindMeshBuffer(); 123070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 123170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 123270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, vertices); 1233cf28957c89127ccfc82d535903c776124665446aDavid Li if (mTexCoordsSlot >= 0) { 12348d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy glVertexAttribPointer(mTexCoordsSlot, 2, GL_FLOAT, GL_FALSE, gMeshStride, texCoords); 12358d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 123670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 123770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 12395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase mCaches.unbindMeshBuffer(); 12405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 12415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase gVertexStride, vertices); 12425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 12435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 12445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 12455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 124699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 124799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 124899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 124999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 125099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 125199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 125299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 125399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 12545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 125599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 125699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase GLvoid* lengthCoords, float boundaryWidthProportion) { 12575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase mCaches.unbindMeshBuffer(); 12585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 125999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase gAAVertexStride, vertices); 126099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 126199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 126299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 126399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 126499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 126599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 12665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 126799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 126899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 12695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 127099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 12715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 12725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 127370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 127470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glDisableVertexAttribArray(mTexCoordsSlot); 127570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 127670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 127770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1278f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1279f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1280f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 12817b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guybool OpenGLRenderer::drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, 12827b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy Rect& dirty, uint32_t level) { 12837b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (quickReject(0.0f, 0.0f, width, height)) { 12847b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy return false; 12857b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy } 12867b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 12870fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 12880fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 128904c9d8c2ffd028c35c750bac0a4a7b79e48059b5Romain Guy if (displayList && displayList->isRenderable()) { 1290cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return displayList->replay(*this, dirty, level); 12910fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 12927b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 1293daf98e941e140e8739458126640183b9f296a2abChet Haase return false; 12940fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 12950fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1296ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1297ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1298ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1299ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1300ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1301ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1302a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1303a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1304a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1305a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1306a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1307a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1308a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1309a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1310e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy GLenum filter = GL_LINEAR; 1311a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1312a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1313a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1314a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1315a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1316e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy filter = GL_NEAREST; 1317a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1318a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1319a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1320a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 13215b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 13225b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 13235b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1324a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1325a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1326a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1327a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1328a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1329e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1330a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1331e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1332e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy texture->setFilter(filter, filter); 1333e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1334a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1335a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1336a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1337a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1338a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1339a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1340a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1341a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1342a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1343a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 13445c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 13456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 13466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 13476926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 13486926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 13496926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13516926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 135286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 13538164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13549cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 135522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 135622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1357a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (bitmap->getConfig() == SkBitmap::kA8_Config) { 1358a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1359a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1360a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1361a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 13628ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 13638ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 13645c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1365f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1366f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1367f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1368f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 13696926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 13706926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13716926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13726926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 137386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 13748164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13759cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 137622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 137722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 13785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 13795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 13805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 13815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 13825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 13835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1384f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1385f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 13865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 13875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 13885a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 13895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 13905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 13915a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 13925a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy glActiveTexture(gTextureUnits[0]); 13945a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13955a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 13965a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 1397e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy 1398e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, true); 1399e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy texture->setFilter(GL_LINEAR, GL_LINEAR, true); 14005a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 14025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 14035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 14045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 14065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1407b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1408b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1409b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1410b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1411b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1412b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1413b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = hasLayer(); 1414b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1415b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = false; 1416b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1417b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1418a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1419a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 14205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 14215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 14225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 14235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 14245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 14265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 14275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 14285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 14295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 14315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 14325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 14335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 14345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 14355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 14365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 14375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 14385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 14405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 14415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 14425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 14445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 14455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1446b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1447b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1448b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1449b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1450b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1451b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1452b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1453b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1454b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1455b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 14565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1459b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1460b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1461b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1462b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1463b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1464b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 14655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 14665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1467b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 14685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 14695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14708ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 14718ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 14728ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 14735c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 14746926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 14756926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1478746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 14798164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14809cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 148122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1482e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, true); 14838ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 14848ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 14858ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1486c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 14876816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u1 = fmax(0.0f, srcLeft / width); 14886816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v1 = fmax(0.0f, srcTop / height); 14896816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float u2 = fmin(1.0f, srcRight / width); 14906816972eb69ee8b294553dac92b3c1ad5b1ca1f7Romain Guy const float v2 = fmin(1.0f, srcBottom / height); 1491c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 149203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 14938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 14948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 149503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 149603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 149703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 149803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 14996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 15006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 15016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 15026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1503b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy GLenum filter = GL_NEAREST; 1504631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy // Enable linear filtering if the source rectangle is scaled 1505631582f7f7a3c879a5fba81f2bc082e4826758aaRomain Guy if (srcRight - srcLeft != dstRight - dstLeft || srcBottom - srcTop != dstBottom - dstTop) { 1506b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy filter = GL_LINEAR; 1507b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy } 1508b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy texture->setFilter(filter, filter, true); 1509b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 15106620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 15116620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 15126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 15136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 15146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1515e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy texture->setFilter(GL_LINEAR, GL_LINEAR, true); 1516b50149825fae95b2918bcf67b2ddb773b9797068Romain Guy 15176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 15186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 15196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 15206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 15218ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 15228ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1523ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1524ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 15254aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 15264bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 15275c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 15286926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 15296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 15306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1532746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 15338164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 15349cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 153522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 1536e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, true); 1537e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy texture->setFilter(GL_LINEAR, GL_LINEAR, true); 1538f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1539f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1540f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1541f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1542f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 15432728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 15444bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1545f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1546a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy if (mesh && mesh->verticesCount > 0) { 15476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1548a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 15495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 15508168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1551c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1552c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 15535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 15545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 15558ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 15566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 1557c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1558c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1559c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 15606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1561c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1562c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 15636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 15645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 15655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1566a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 15675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 15686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 15696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 15706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 15716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 15726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 15736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 15746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 15756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 15766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 15776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 15786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 15796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 15806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 15816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1582054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1583f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1584f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 158599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1586858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1587858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1588858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1589858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1590858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1591858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1592181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1593858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1594858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 1595858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1596858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!mSnapshot->transform->isPureTranslate()) { 1597858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1598858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1599858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1600858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1601858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1602858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1603858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1604858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1605858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1606858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1607858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1608858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1609858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1610858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDraw(); 1611858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine(); 1612858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColor(color); 1613858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilter(); 1614858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShader(); 1615858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawBlending(true, mode); 1616858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawProgram(); 1617858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawModelViewIdentity(true); 1618858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorUniforms(); 1619858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilterUniforms(); 1620858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShaderIdentityUniforms(); 1621858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1622858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex rects[4]; 1623858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex* aaVertices = &rects[0]; 1624858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 1625858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 1626858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1627858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1628858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1629858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1630858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1631858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1632858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1633858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1634858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1635858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1636858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float width = right - left; 1637858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float height = bottom - top; 1638858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1639858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 1640858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 1641858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 1642858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 1643858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 1644858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 1645858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryHeightProportion)); 1646858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1647858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!quickReject(left, top, right, bottom)) { 1648858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1649858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1650858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1651858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1652858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1653858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 1654858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1655858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1656858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1657858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 165899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 165999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 166099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 166199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 166299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 166399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 166499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 166599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 166699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 166799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 166899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 166999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 167099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 167199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 167299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 167399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 167499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 16758a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 16768a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (mSnapshot->isIgnored()) return; 16778a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 16788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 167999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 168099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 168199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 16828a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 16838a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 16848a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 168599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 168699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 168799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 16888a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 16898a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 16908a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 16915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 16925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1693c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 169499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 169599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 169699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 169799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 169899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 169999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 170099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 170199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!mSnapshot->transform->isPureTranslate()) { 170299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 170399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 170499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 170599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 170699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 170799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 170899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 170999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float scaleX = sqrt(m00*m00 + m01*m01); 171099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float scaleY = sqrt(m10*m10 + m11*m11); 171199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 171299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 171399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 171499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 171599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 171699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 17175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 17208a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 17218a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 17228a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 17238a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 17248a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 17258a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 17268a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 17278a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 17288a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawBlending(true, mode); 17298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 17308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawBlending(mode); 17318a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 17328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 17338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 17348a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 17358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 17368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 17378a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 17388a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 17398a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 174099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 174199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 17425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 174399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 17445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 17465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 174799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 174899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 17495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 17505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 17515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 175299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 175399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 175499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 17555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 17565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 175799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 175899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 175999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 176099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 17615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 176399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 176499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1765740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 176699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 176799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 176899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 176999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 17705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 17715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 17725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 17735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 177499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 177599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 177699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 17775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 17785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 177999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 17808a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 17818a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 17828a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 17838a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 17848a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 17858a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 17868a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 17878a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 17888a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 17895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 179099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 179199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 179299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 179399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 179499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 179599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 179699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 179799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 179899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 179999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 180099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 180199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 180299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 180399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 18045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 18065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 18075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 18085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 180999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 181099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 181199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 181299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 181399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 181499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 181599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 181699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 181799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 181899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 181999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 182099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 182199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 182299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 182399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 182499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 182599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 182699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 18275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 18285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 18295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 18305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 18315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 18325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 183399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 18345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 18355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 18365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 18375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 18385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 18395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 18405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 18415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 18425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 18435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 18445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 18455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 18465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 18475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 18485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 18495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 18515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 18525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 18535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 18545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 18555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 18565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 185799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 185899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 185999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 186099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 186199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 186299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 186399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 186499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 186599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 186699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 186799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 186899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 186999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 187099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 187199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 187299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 187399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 187499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 187599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 187699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 18775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 18785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 18795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 18805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 18815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 188299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 188399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 188499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 18855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 18865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 188799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 188899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 188999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 189099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 18915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 18925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 18935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 189499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 189599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 189699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 18975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 19005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 19015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 19025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 19035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1904ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 1905ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 1906ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1907ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 1908ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 1909ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 19105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 1911ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 19128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 1913ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 19148a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 19158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 19168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 19178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 19188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 1919ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 1920ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 1921ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1922ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1923ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 1924ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 1925ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1926ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 1927ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 1928ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1929ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 19308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 1931ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 1932ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 1933ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 1934ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 1935ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 19368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 1937ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 1938ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 1939ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 1940ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 1941ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 1942ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1943ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 1944ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 1945ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 19468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 19478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 19488a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 19498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 19508a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1951ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 1952ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1953ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 1954ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1955ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 195685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 1957e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 1958af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1959e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 1960ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 1961ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 196270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 19633d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 1964c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 19659d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1966c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 196701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 196801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 196901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 197001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 197101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 197201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 197301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 197401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 197501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1976c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 1977c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 197801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 197901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 198001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 1981c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 1982c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 1983c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 1984c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 198501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1986c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 1987c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 1988c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 1989c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 199001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 1991c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 1992c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 199301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1994c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 1995c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 199601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1997c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 1998c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 1999c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 2000c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 2001c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 20028b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 20038b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 20048b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 20058b2f5267f16c295f12faab810527cd6311997e34Romain Guy 20068b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 20078b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 20088b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 20098b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 20108b2f5267f16c295f12faab810527cd6311997e34Romain Guy 20118b2f5267f16c295f12faab810527cd6311997e34Romain Guy glActiveTexture(gTextureUnits[0]); 20128b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 20138b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 20148b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 20158b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 20168b2f5267f16c295f12faab810527cd6311997e34Romain Guy 2017c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 2018c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 2019c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 2020c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 2021c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 2022c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 2023c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 202401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 202501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 20265c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 2027c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 2028c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 2029c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 2030c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 2031c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 20326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 20336926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 20346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 20356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 2036026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 2037746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2038a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 2039a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2040a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2041a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 2042a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2043a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2044a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 2045026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 2046026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2047026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 2048181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 2049858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 2050858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 2051858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 2052858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 2053c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 20549d5316e3f56d138504565ff311145ac01621dff4Romain Guy 2055e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 2056e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy float x, float y, SkPaint* paint) { 2057b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (text == NULL || count == 0) { 2058e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 2059e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2060af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2061e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 206267ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy // TODO: We should probably make a copy of the paint instead of modifying 206367ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy // it; modifying the paint will change its generationID the first 206467ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy // time, which might impact caches. More investigation needed to 206567ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy // see if it matters. 206667ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy // If we make a copy, then drawTextDecorations() should *not* make 206767ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy // its own copy as it does right now. 2068f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy paint->setAntiAlias(true); 206967ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy#if RENDER_TEXT_AS_GLYPHS 207067ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint->setTextEncoding(SkPaint::kGlyphID_TextEncoding); 207167ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy#endif 2072e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2073a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy float length = -1.0f; 2074e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2075e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2076e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 2077e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2078e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2079e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2080e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 2081e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2082e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2083e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2084e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2085e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2086e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 20873a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 20883a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 20896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 20906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 20916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 20926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 20936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 20946620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2095b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2096b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2097fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2098e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 209986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 210086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 210186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 21029d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 21031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 2104b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 210567ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get( 210667ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint, text, bytesCount, count, mShadowRadius); 21071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 21080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2109740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 2110740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 211186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 211286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 2113740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 2114740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 2115740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 2116740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 211786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 211886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 211986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 212086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 2121740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2122740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 2123740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 212486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 212586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2126740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 212786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 212886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 2129740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 2130740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 213186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 21320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 21330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2134740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 213586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 21361e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 21371e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 2138b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (paint->getAlpha() == 0 && paint->getXfermode() == NULL) { 2139b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy return; 2140b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy } 2141b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy 21426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 21436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 21446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 21456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 21466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 21475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 214886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 214986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 215086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 215186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 215286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 215386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 215486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 215586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 215686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 215786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 215886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 215986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 216086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 216186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 216206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 21636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 21645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 21655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 21665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2167f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = hasLayer(); 21685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 2169f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = false; 21705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 217103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 2172894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2173894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk // Tell font renderer the locations of position and texture coord 2174894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk // attributes so it can bind its data properly 2175894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk int positionSlot = mCaches.currentProgram->position; 2176894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk fontRenderer.setAttributeBindingSlots(positionSlot, mTexCoordsSlot); 21776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 2178f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 21795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2180f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 21816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 21826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 21836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2184f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 21855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 21865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 21875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2188694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2189694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 2190fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 2191a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy 21923a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2193694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2194694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 21957fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2196af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2197dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 219801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 21997fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2200fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 22019cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 220222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 22037fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 22048b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 22058b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 22068b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 220701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 22087fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 22097fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2210ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2211ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 22126c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 22136c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 22146c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22156c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glActiveTexture(gTextureUnits[0]); 22166c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22176c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 22186c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 22196c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 22206c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22219ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setAlpha(alpha, mode); 22226c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2223f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2224c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (!layer->region.isEmpty()) { 2225c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 222640667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2227c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 22288168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2229c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2230c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2231c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2232c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 22338168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2234c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 22359ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawBlending(layer->isBlend() || a < 1.0f, layer->getMode(), false); 2236c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 2237c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2238c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 22399ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawTexture(layer->getTexture()); 22409ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy if (mSnapshot->transform->isPureTranslate()) { 22419ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 22429ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 22439ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy 22449ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFilter(GL_NEAREST, GL_NEAREST); 22459ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 22469ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight(), true); 22479ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } else { 22489ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy layer->setFilter(GL_LINEAR, GL_LINEAR); 22499ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy setupDrawModelViewTranslate(x, y, 22509ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 22519ace8f5e79e76893fe4ca9e4d10f6c4056330485Romain Guy } 2252c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2253c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2254c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2255c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2256c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2257c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 22583a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 22593a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 22603a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 22613a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2262c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2263f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2264f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2265ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2266ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2267f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 22686c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 22696c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 22706926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2271d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2272d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2273d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2274d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 227506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 227606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 227706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 227806f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 227906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 228006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2281fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 228206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 22837fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 22847fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2285d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2286db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2287db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2288db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2289db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2290db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2291db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2292db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2293db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2294db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2295db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2296db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2297db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 22981e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 22991e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 23001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23011e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 23021e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 23031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 23041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23051e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 23061e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 23071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 23081e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 23091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 23101e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 23111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 23121e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 23131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 23146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 23156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 23166926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 231701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 231801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 231901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 232001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 232101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 232201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 232301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 232401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 232501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 232601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 232701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 232801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 232901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 233001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 233101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 233201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 233301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 233401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 233501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 233601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 233701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 233801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 233901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 234001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 234101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 234201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 234301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 234401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 234501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2346f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 23470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 23480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 23490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 23500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 23520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 23530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 23540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 23550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2356726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 23570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 23580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 23590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2360726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 23610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 23620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 2364726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy switch (paintCopy.getTextAlign()) { 23650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 23660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 23670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 23680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 23690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 23700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 23710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 23720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 23730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 23740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 2376726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2377f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 23780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2379e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 23800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2381e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2382f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2383f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2384f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2385f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2386f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2387e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2388e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 23890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 23910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2392e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2393e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2394e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2395e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 23960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 23970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 23990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2400e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2401e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2402e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2403e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 24040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2405e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2406726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2407e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2408726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 24090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 24100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 24110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 24120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2413026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 24141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2415d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 241606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2417d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2418d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2419d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 242070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 242170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 242270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 242370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 242470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 242570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 242670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 242770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 242870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 242970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 243070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2431c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2432c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2433c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2434c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 243582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 24368164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 243782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 243882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 243982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 244082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2441e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy texture->setWrap(GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE, true); 24428164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 24436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 24446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 24456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 24466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2447e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy texture->setFilter(GL_NEAREST, GL_NEAREST, true); 24486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 24496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 24506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 24516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 2452e3c26851dc315b730ea0fe5ef35bb1db81f6d675Romain Guy texture->setFilter(GL_LINEAR, GL_LINEAR, true); 24536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 24546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 24556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 24566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 245785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 245885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2459bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2460a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2461a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 246203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2463f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2464f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2465f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2466a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 24676820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 24685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 24698694230ff25fa0a60e480d424843e56b718f0516Romain Guy 247070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 247170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 247270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 247370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 247470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 247570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 247670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 247770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2478db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 24795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 248070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 248103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 248270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2483db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 248486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 248570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 248670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 248770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2488db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 24896820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 249070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 249170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 249282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 249382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2494a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2495f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 249682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 249782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 24982ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy if (mode <= SkXfermode::kScreen_Mode) { 2499a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mCaches.blend) { 2500a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glEnable(GL_BLEND); 2501a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 250282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2503f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 2504f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 250582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2506a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 2507a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glBlendFunc(sourceMode, destMode); 2508a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastSrcMode = sourceMode; 2509a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastDstMode = destMode; 2510a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2511a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2512a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // These blend modes are not supported by OpenGL directly and have 2513a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // to be implemented using shaders. Since the shader will perform 2514a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // the blending, turn blending off here 2515746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (mCaches.extensions.hasFramebufferFetch()) { 2516a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2517f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2518a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2519a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 2520a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mCaches.blend) { 2521a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glDisable(GL_BLEND); 2522a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2523a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy blend = false; 252482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2525fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 252682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 252782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2528fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2529bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2530bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2531889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2532d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2533fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2534d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2535fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 25366926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2537260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 25386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2539260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2540260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2541026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2542ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 254382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 254482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 254582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 254682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 25478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 25488ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 25495c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 25508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 25512ffefd48e20d311b38c0673edadb27c1f6ad328bRomain Guy *mode = getXfermode(paint->getXfermode()); 25528ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 25538ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 25548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 25558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 25568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 25578ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 25588ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 25598ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 25608ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 25618ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 25628ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 25638ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2564026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2565026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2566a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2567d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger SkXfermode::Mode resultMode; 2568d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger if (!SkXfermode::AsMode(mode, &resultMode)) { 2569d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger resultMode = SkXfermode::kSrcOver_Mode; 2570a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2571d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger return resultMode; 2572a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2573a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 25749d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2575e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2576