OpenGLRenderer.cpp revision 171c592f0b7066acf279863c8a52ddabea49d3db
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 295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 320fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 33a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 34e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 35e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 369d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 379d5316e3f56d138504565ff311145ac01621dff4Romain Guy 389d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 399d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 409d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy 42759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 43759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 44759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 45dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy// TODO: This should be set in properties 46dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy#define ALPHA_THRESHOLD (0x7f / PANEL_BIT_DEPTH) 47dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 489d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 499d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 509d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 519d5316e3f56d138504565ff311145ac01621dff4Romain Guy 52889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 53889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 54889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 55889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 56889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 61026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 62026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 63026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 64b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ZERO }, 65b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 66b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 67b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 68b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 69b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 70b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 71b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 72b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 73b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 74b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 75b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA } 76026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 77e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 7887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 7987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 81f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 82b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ZERO }, 83b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 84b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 85b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 86b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 87b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 88b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 89b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 90b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 91b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 92b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 93b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA } 94f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 95f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 96889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystatic const GLenum gTextureUnits[] = { 97b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE0, 98b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE1, 99b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE2 100d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy}; 101d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 102f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 103f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 104f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 105f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 106fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 10706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 108db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 110026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 111ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 112ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 113ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 114e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 115e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 11685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 11729d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 11829d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 119e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 120e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 121f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 122f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 123f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 124f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 12585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 12608ae317c21ec3086b5017672bba87420cc38a407Romain Guy glViewport(0, 0, width, height); 127260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 128bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 129bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 130bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 131eb99356a0548684a501766e6a524529ab93304c8Romain Guy 132eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 133eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 134746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 135746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 136e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 137e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1386b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guyvoid OpenGLRenderer::prepare(bool opaque) { 139fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 140fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1418aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1428aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 1438fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 144f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 145fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glViewport(0, 0, mWidth, mHeight); 146fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy 147d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy glDisable(GL_DITHER); 148bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1496b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 150746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glDisable(GL_SCISSOR_TEST); 1516b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 1526b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 1536b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 154bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1550d200833fdc53f9796698f97c18cefc4a1b82df2Chet Haase glEnable(GL_SCISSOR_TEST); 1560d200833fdc53f9796698f97c18cefc4a1b82df2Chet Haase glScissor(0, 0, mWidth, mHeight); 157b82da65cb1601be504241f36778395cd6cb9f87bRomain Guy mSnapshot->setClip(0.0f, 0.0f, mWidth, mHeight); 158bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 159bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 160b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 161b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 162b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 163b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 164b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy LOGD("GL error from OpenGLRenderer: 0x%x", status); 165b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 166b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 167c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 168c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 169e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 170e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 171e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 172e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 173c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 174b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 175b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 176da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guyvoid OpenGLRenderer::acquireContext() { 177da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 178da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 179da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 180da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 181da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 182da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 18350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 184da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 185da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 186da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guyvoid OpenGLRenderer::releaseContext() { 187eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(0, 0, mSnapshot->viewport.getWidth(), mSnapshot->viewport.getHeight()); 188da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 189da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 190746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 191da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 192f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glDisable(GL_DITHER); 193f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 194f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, 0); 19503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 19650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 19750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 19850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 19950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 20050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 201da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 202da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 203f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 204f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 205f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 206f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 207bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 2087ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 209bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 210bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 211bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 2128aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 213bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 214bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 215bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 2162542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 2172542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2187ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 219bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 220bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 221bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 2228fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 223bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2248fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 2252542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2267ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 227bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 228bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2298aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 2308aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 2318fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 232bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 233bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 234bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 2357ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 236bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 237eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 238bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 239bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 2407ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 241bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 242eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 243eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 244eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 245eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 246eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 247eb99356a0548684a501766e6a524529ab93304c8Romain Guy 2488b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 2498b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 2508b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 2512542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 252746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 2538fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 2542542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 2555ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 2565ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 2575ec9924d24495822b589f1a17996655d66273b30Romain Guy } 2585ec9924d24495822b589f1a17996655d66273b30Romain Guy 2592542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 260d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 2615cbbce535744b89df5ecea95de21ee3733298260Romain Guy 262f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 263bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 264bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 265bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 266bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 2675c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 268eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 269eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 270d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 271af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 272e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 273e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 274e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 275e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 276e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 277e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 278e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 279e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 280e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 281e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 282e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 283e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 284e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 285a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 286a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 287e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 288d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 289d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 290dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 291dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 292d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 293d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 294bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 295bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 296bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 297bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 2985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 2998aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 3008b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 3018aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 3028aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 3038aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 3048b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 305d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 306bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3071c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 3081c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 3091c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 3101c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 3111c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 3121c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 3131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 3141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3151c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 3161c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 3171c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 3181c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 3191c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 3201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 3211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 3221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 3246b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 3256b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 3266b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 3276b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 3281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 3301c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 3311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 33287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 3331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 3341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 3351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 3371c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 3381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 3391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 3401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 3411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 3431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 3441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 3451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 3461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 3471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 3481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 3501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 3511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 35287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 35387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 35487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 35587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 35687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 3571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 358d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 359eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 360eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 361eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 362fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 363dda570201ac851dd85af3861f7e575721d3345daRomain Guy 364eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 365eb99356a0548684a501766e6a524529ab93304c8Romain Guy 366f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 3678aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 368ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy if (fboLayer) { 369ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy // Clear the previous layer regions before we change the viewport 370ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clearLayerRegions(); 371ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } else { 372eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 373ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 374eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 37558ae6db4ff8a9d0910e1183ee8be9a038a2712a6Romain Guy bounds.intersect(*snapshot->clipRect); 376ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 377ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy // We cannot work with sub-pixels in this case 378ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy bounds.snapToPixelBoundaries(); 379ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy 380ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 381ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy // need to make sure the layer does not extend outside the bounds 382ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy // of the framebuffer 383ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy bounds.intersect(snapshot->previous->viewport); 384eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 385bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 386746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 387746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 38832963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 389dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 390e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 391dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 392dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 393dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 394af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 395b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 396b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 397dda570201ac851dd85af3861f7e575721d3345daRomain Guy 3985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glActiveTexture(gTextureUnits[0]); 3998550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 400f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 401f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 402bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 403bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 404dda570201ac851dd85af3861f7e575721d3345daRomain Guy layer->mode = mode; 405f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy layer->alpha = alpha; 4068aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 4078550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->height), 4088550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy bounds.getWidth() / float(layer->width), 0.0f); 409171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy layer->colorFilter = mColorFilter; 410dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4118fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 4128fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 413dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 4141d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 415eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 4165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 417eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 418eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 419eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 420eb99356a0548684a501766e6a524529ab93304c8Romain Guy 421ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy if (layer->empty) { 422ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bounds.left, 423ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy snapshot->height - bounds.bottom, layer->width, layer->height, 0); 424ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy layer->empty = false; 425ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } else { 426ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 427ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 428ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 429eb99356a0548684a501766e6a524529ab93304c8Romain Guy 430eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Enqueue the buffer coordinates to clear the corresponding region later 431eb99356a0548684a501766e6a524529ab93304c8Romain Guy mLayers.push(new Rect(bounds)); 432eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 433f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 434d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 435bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 436bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 4385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 4395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->fbo = mCaches.fboCache.get(); 4405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 4425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 4435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 4445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 4455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 4475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 4485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 4495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 4505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 4515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 4535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 4545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 4565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 4575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 4585ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 4595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 4615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->fbo = layer->fbo; 4625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 4635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 4645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 4655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 4665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 4675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 4685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 4705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->fbo); 4715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 4725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 4745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->empty) { 4755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->empty = false; 4765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->width, layer->height, 0, 4775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GL_RGBA, GL_UNSIGNED_BYTE, NULL); 4785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 4795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 4815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->texture, 0); 4825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 4845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 4855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 4865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy LOGE("Framebuffer incomplete (GL error code 0x%x)", status); 4875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 4895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDeleteTextures(1, &layer->texture); 4905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mCaches.fboCache.put(layer->fbo); 4915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 4935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 4955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 4965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 4975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 4995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 5005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 5015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 5025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 5035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 5055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 5075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 5085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 5095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 5115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 5151c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 5161d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 5171d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 5181d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LOGE("Attempting to compose a layer that does not exist"); 5191d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 5201d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5211d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 523eb99356a0548684a501766e6a524529ab93304c8Romain Guy 524eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 525eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 526eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 527eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 528eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5291d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 5301d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 5311d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 532eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (!fboLayer && layer->alpha < 255) { 533f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 5341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy layer->alpha << 24, SkXfermode::kDstIn_Mode, true); 5355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 5365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha = 255; 537f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 538f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 53903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 5408b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 541746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 5425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 5445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 545eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 5465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 547171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy if (layer->colorFilter) { 548171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy setupColorFilter(layer->colorFilter); 549171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 5505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 551171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy if (layer->colorFilter) { 552171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 553171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 554eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect, true); 557eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 5581d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 559eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 560eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 561eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 562eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 563eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 564eb99356a0548684a501766e6a524529ab93304c8Romain Guy 565eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 566eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 567eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 568eb99356a0548684a501766e6a524529ab93304c8Romain Guy 569746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 570746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 571eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 5728550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 5731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 5741d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy glDeleteTextures(1, &layer->texture); 5751d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 5761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5771d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 5781d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 5805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const Rect& texCoords = layer->texCoords; 5815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, texCoords.right, texCoords.bottom); 5825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureMesh(rect.left, rect.top, rect.right, rect.bottom, layer->texture, 5845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha / 255.0f, layer->mode, layer->blend, &mMeshVertices[0].position[0], 5855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy &mMeshVertices[0].texture[0], GL_TRIANGLE_STRIP, gMeshCount, swap, swap); 5865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 5885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 5915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 5925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 5935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 5945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 5955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 5965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!layer->region.isEmpty()) { 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy setupDraw(); 6035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy ProgramDescription description; 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy description.hasTexture = true; 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float alpha = layer->alpha / 255.0f; 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool setColor = description.setColor(alpha, alpha, alpha, alpha); 6095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy chooseBlending(layer->blend || layer->alpha < 255, layer->mode, description, false); 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy useProgram(mCaches.programCache.get(description)); 6125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Texture 6145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bindTexture(layer->texture); 6155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), 0); 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Always premultiplied 6185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (setColor) { 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mCaches.currentProgram->setColor(alpha, alpha, alpha, alpha); 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mesh 6235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int texCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 6245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glEnableVertexAttribArray(texCoordsSlot); 6255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mModelView.loadIdentity(); 6275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 6285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texX = 1.0f / float(layer->width); 6305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texY = 1.0f / float(layer->height); 6315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 6335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 6345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy gMeshStride, &mesh[0].position[0]); 6375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glVertexAttribPointer(texCoordsSlot, 2, GL_FLOAT, GL_FALSE, 6385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy gMeshStride, &mesh[0].texture[0]); 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 6415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 6425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float v1 = (rect.getHeight() - r->top) * texY; 6455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 6465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float v2 = (rect.getHeight() - r->bottom) * texY; 6475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 6505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 6515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 6525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 6555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 6575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 6595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 6605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 6645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 6655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 6685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDisableVertexAttribArray(texCoordsSlot); 6695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy uint32_t colors[] = { 6725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 0x7fff0000, 0x7f00ff00, 6735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 0x7f0000ff, 0x7fff00ff, 6745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy }; 6755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int offset = 0; 6775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int32_t top = rects[0].top; 6785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int i = 0; 6795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 6815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (top != rects[i].top) { 6825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy offset ^= 0x2; 6835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy top = rects[i].top; 6845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 6875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 6885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy SkXfermode::kSrcOver_Mode); 6895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 6935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 6955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 6965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 7015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 7025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if ((mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region) { 7035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 7045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 7055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.intersect(*mSnapshot->clipRect); 7065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.snapToPixelBoundaries(); 7075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 7095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!dirty.isEmpty()) { 7105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region->orSelf(dirty); 7115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 7185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 7195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if ((mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region) { 7205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 7215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.intersect(*mSnapshot->clipRect); 7225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.snapToPixelBoundaries(); 7235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 7255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!dirty.isEmpty()) { 7265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region->orSelf(dirty); 7275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7328694230ff25fa0a60e480d424843e56b718f0516Romain Guyvoid OpenGLRenderer::clearLayerRegions() { 733af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mLayers.size() == 0 || mSnapshot->isIgnored()) return; 7348694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clipRect(*mSnapshot->clipRect); 7365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clipRect.snapToPixelBoundaries(); 7375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7388694230ff25fa0a60e480d424843e56b718f0516Romain Guy for (uint32_t i = 0; i < mLayers.size(); i++) { 7398694230ff25fa0a60e480d424843e56b718f0516Romain Guy Rect* bounds = mLayers.itemAt(i); 7405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (clipRect.intersects(*bounds)) { 7415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the framebuffer where the layer will draw 7425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(bounds->left, mSnapshot->height - bounds->bottom, 7435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds->getWidth(), bounds->getHeight()); 7445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 7455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 7465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Restore the clip 7485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 7495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7508694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7518694230ff25fa0a60e480d424843e56b718f0516Romain Guy delete bounds; 7528694230ff25fa0a60e480d424843e56b718f0516Romain Guy } 7538694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mLayers.clear(); 7558694230ff25fa0a60e480d424843e56b718f0516Romain Guy} 7568694230ff25fa0a60e480d424843e56b718f0516Romain Guy 757bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 758f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 759f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 760f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 761f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 7628aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 763f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 764f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 765f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 7668aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 767f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 768f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 769f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 7708aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 771f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 772f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 773f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 7748aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->load(*matrix); 775f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 776f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 77741030da16856c8869e1e51d4a0405432fa96614eRomain Guyconst float* OpenGLRenderer::getMatrix() const { 77899bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy if (mSnapshot->fbo != 0) { 77999bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mSnapshot->transform->data[0]; 78099bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy } 78199bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mIdentity.data[0]; 78241030da16856c8869e1e51d4a0405432fa96614eRomain Guy} 78341030da16856c8869e1e51d4a0405432fa96614eRomain Guy 784f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 7858aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 786f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 787f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 788f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 789e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 790e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 791e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 792e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 793f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 794f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 795f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 796f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 797f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 798f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 799bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 800e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 801e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 802eb99356a0548684a501766e6a524529ab93304c8Romain Guy glScissor(clip.left, mSnapshot->height - clip.bottom, clip.getWidth(), clip.getHeight()); 803746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 8049d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 8059d5316e3f56d138504565ff311145ac01621dff4Romain Guy 8069d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 807079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 808bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 809bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 810c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 811af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 812dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 813dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 814dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 8151d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 8168aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 817d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 818d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 819d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 820d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 821d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 822d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 823c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 824c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 825079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 826079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 8277ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 828746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 8297ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 8308aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 831e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 832e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 833f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 83470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 83570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 83670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 83770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDraw() { 83870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy clearLayerRegions(); 83970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 84070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 84170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 84270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 84370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 84470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 84570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 84670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 84770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 8488d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mTexCoordsSlot = -1; 84970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 85070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 85170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 85270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 85370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 85470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 85570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 85670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 8578d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 8588d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 8598d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 8608d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 8618d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 86270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 863fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 864fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 865fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 86670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 86770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 86870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 86970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 87086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 87186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 87286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 87386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 87486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 87586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 87686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 87786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 87886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 87986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 88070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 88170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 88270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 88370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 88470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 88570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 88670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 88770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 88870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 88986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 89086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 89186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 89286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 89386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 89486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 89586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 89686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 89786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 89870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 89970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 90070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 90170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 90270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 90370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 90470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 90570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 90670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 90770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 90870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 90970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 91070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 91170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 91270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 91370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 91470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 91570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 91670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 91770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 91870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 91970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 92070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 92170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 92270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 92370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 92470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 92570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 92670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 92770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 92870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 92970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 93070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 93170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 93270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 93370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 93470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 93570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 93670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 93770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 93870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 93970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 9408d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawModelViewIdentity() { 9418d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform); 9428d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 9438d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 94470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 94570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 94670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 94770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 94870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 94970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 95070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 95170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 95286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 95386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 95486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 95586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 95686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 95786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 95886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 95986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 96086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 96186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 96270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 96370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 96470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 9655536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 96670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 96770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 96870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 96970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 97086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 9715536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 97286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 9735536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 9745536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 9755536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 97670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 97770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 97870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 97970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 98070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 98170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 98270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 98370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 98470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 9858d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 9868d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 9878d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 9888d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 9898d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 9908d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 99170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 99270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 99370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 99470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 99570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 99670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 99770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 99870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(); 99970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 100070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, 0); 100170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 100270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 100470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 100570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 100670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 100870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 100970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 101070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 101170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 101270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 101370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 101470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 101570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.unbindMeshBuffer(); 101670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 101770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 101870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, vertices); 10198d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mTexCoordsSlot > 0) { 10208d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy glVertexAttribPointer(mTexCoordsSlot, 2, GL_FLOAT, GL_FALSE, gMeshStride, texCoords); 10218d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 102270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 102370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 102470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 102570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glDisableVertexAttribArray(mTexCoordsSlot); 102670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 102770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 102870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1029f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1030f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1031f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 10320fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guyvoid OpenGLRenderer::drawDisplayList(DisplayList* displayList) { 10330fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 10340fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 10350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy if (displayList) { 10360fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy displayList->replay(*this); 10370fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 10380fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 10390fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 10405c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 10416926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 10426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 10436926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 10446926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 10456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10476926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 104886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 10498164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10509cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 105122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 105222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 10536926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 10548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 10558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 10565c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1057f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1058f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1059f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1060f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 10616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 10626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10646926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 106586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 10668164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10679cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 106822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 106922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 10705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 10715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 10725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 10735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 10745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 10755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1076f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1077f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 10788ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 10798ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 10808ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 10815c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 10826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 10836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1086746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 10878164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10889cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 108922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 10908164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 10918ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 10928ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 10938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1094c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 10958ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u1 = srcLeft / width; 10968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v1 = srcTop / height; 10978ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u2 = srcRight / width; 10988ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v2 = srcBottom / height; 1099c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 110003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 11018ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 11028ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 110303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 110403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 110503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 110603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 11076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 11086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 11096620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 11106620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 11116620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 11126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 11136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 11146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 11156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 11166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 11176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 11186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 11196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 11208ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 11218ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1122ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1123ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 11244aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 11254bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 11265c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 11276926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 11286926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 11296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 11306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1131746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 11328164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 11339cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 113422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 11358164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1136f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1137f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1138f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1139f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1140f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 11412728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 11424bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1143f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1144a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy if (mesh && mesh->verticesCount > 0) { 11456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1146a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 11475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 11485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if ((mSnapshot->flags & Snapshot::kFlagFboTarget) && 11495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region && mesh->hasEmptyQuads) { 11505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 11515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 11528ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 11536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 11546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(bounds.left + 0.5f); 11556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(bounds.top + 0.5f); 11568ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 11576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy *mSnapshot->transform); 11586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 11596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy dirtyLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, 11606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy *mSnapshot->transform); 11616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 11625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1164a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 11655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 11676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 11686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 11696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 11706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 11716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 11726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 11736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 11746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 11756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 11766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 11776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 11786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 11796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1180054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1181f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1182f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 11835c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 11847f78b0c3ae6222b39f6240524390de9764f21764Romain Guy // TODO: Should do quickReject for each line 1185af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1186dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1187a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool isAA = paint->isAntiAlias(); 1188a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const float strokeWidth = paint->getStrokeWidth() * 0.5f; 1189a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // A stroke width of 0 has a special meaningin Skia: 1190a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // it draws an unscaled 1px wide line 1191a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 1192a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1193759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy int alpha; 1194759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy SkXfermode::Mode mode; 1195759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1196759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1197a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy int verticesCount = count >> 2; 1198a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!isHairLine) { 1199a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: AA needs more vertices 1200a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy verticesCount *= 6; 1201a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } else { 1202a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: AA will be different 1203a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy verticesCount *= 2; 1204a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1205759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1206a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex lines[verticesCount]; 1207a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex* vertex = &lines[0]; 1208759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 12098d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDraw(); 12108d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(paint->getColor(), alpha); 12118d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorFilter(); 12128d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawShader(); 12138d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawBlending(mode); 12148d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawProgram(); 12158d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawModelViewIdentity(); 12168d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorUniforms(); 12178d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorFilterUniforms(); 12188d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawShaderIdentityUniforms(); 12198d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawMesh(vertex); 1220759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1221a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!isHairLine) { 1222a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Handle the AA case 1223a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy for (int i = 0; i < count; i += 4) { 1224a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // a = start point, b = end point 1225a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 a(points[i], points[i + 1]); 1226a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 b(points[i + 2], points[i + 3]); 1227a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1228a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Bias to snap to the same pixels as Skia 1229a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy a += 0.375; 1230a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy b += 0.375; 1231a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1232a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Find the normal to the line 1233a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 n = (b - a).copyNormalized() * strokeWidth; 1234a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy float x = n.x; 1235a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy n.x = -n.y; 1236a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy n.y = x; 1237a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1238a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Four corners of the rectangle defining a thick line 1239a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p1 = a - n; 1240a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p2 = a + n; 1241a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p3 = b + n; 1242a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p4 = b - n; 1243a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1244a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Draw the line as 2 triangles, could be optimized 1245a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // by using only 4 vertices and the correct indices 1246a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Also we should probably used non textured vertices 1247a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // when line AA is disabled to save on bandwidth 1248a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p1.x, p1.y, 0.0f, 0.0f); 1249a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p2.x, p2.y, 0.0f, 0.0f); 1250a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p3.x, p3.y, 0.0f, 0.0f); 1251a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p1.x, p1.y, 0.0f, 0.0f); 1252a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p3.x, p3.y, 0.0f, 0.0f); 1253a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p4.x, p4.y, 0.0f, 0.0f); 1254a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1255a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Mark the dirty regions when RENDER_LAYERS_AS_REGIONS is set 1256a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1257a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1258a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // GL_LINE does not give the result we want to match Skia 1259a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy glDrawArrays(GL_TRIANGLES, 0, verticesCount); 1260a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } else { 1261a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Handle the AA case 1262a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy for (int i = 0; i < count; i += 4) { 1263a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 1264a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, points[i + 2], points[i + 3], 0.0f, 0.0f); 1265a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 12668d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 1267a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy glLineWidth(1.0f); 1268a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy glDrawArrays(GL_LINES, 0, verticesCount); 126929d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy } 1270759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy} 1271759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 127285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 1273e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 1274af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1275e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 1276ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 1277ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 127870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12793d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 1280c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 12819d5316e3f56d138504565ff311145ac01621dff4Romain Guy 12825c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 12836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 12846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 12856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 12866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1287026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 1288746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1289a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 1290a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1291a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1292a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 1293a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1294a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1295a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 1296026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1297026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1298026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Skia draws using the color's alpha channel if < 255 1299026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Otherwise, it uses the paint's alpha 1300026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 1301d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (((color >> 24) & 0xff) == 255) { 1302026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy color |= p->getAlpha() << 24; 1303026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1304026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1305026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy drawColorRect(left, top, right, bottom, color, mode); 1306c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 13079d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1308e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 1309e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy float x, float y, SkPaint* paint) { 1310b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (text == NULL || count == 0) { 1311e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 1312e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1313af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1314e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 1315f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy paint->setAntiAlias(true); 1316e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 1317a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy float length = -1.0f; 1318e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 1319e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 1320e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1321e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 1322e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1323e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 1324e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1325e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 1326e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1327e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 1328e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1329e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1330e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 13316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // TODO: Handle paint->getTextScaleX() 13323a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 13333a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 13346620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 13356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 13366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 13376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 13386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 13396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1340b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 1341b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 1342fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 1343e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 134486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 134586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 134686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 13479d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 13481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 1349b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 1350fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get(paint, text, bytesCount, 13511e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy count, mShadowRadius); 13521e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 13530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 135486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float sx = x - shadow->left + mShadowDx; 135586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float sy = y - shadow->top + mShadowDy; 135686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 135786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 135886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 135986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 136086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 136186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 136286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(mShadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 136386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 136486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 136586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height, pureTranslate); 136686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 136786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 136886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 13690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 13700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 137186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 13721e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 13731e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 1374b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (paint->getAlpha() == 0 && paint->getXfermode() == NULL) { 1375b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy return; 1376b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy } 1377b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy 13786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 13796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 13806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 13816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 13826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 13835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 138486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 138586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 138686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 138786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 138886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 138986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 139086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 139186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 139286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 139386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 139486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 139586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 139686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 139786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 139806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 13996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 14005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 14015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 14025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 14035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool hasLayer = (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 14045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 14055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool hasLayer = false; 14065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 14079d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 140803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 14096620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 14105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy hasLayer ? &bounds : NULL)) { 14115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 14125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (hasLayer) { 14136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 14146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 14156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 14165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.intersect(*mSnapshot->clipRect); 14175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.snapToPixelBoundaries(); 14185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 14195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 14205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region->orSelf(dirty); 14215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 14225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 14235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1424694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1425694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 1426fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 1427a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy 14283a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 1429694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 1430694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 14317fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 1432af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1433dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 14347fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy GLuint textureUnit = 0; 14357fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy glActiveTexture(gTextureUnits[textureUnit]); 14367fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1437fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 14389cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 143922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 14407fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 14418b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 14428b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 14438b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 14448b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 14458b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy return; 14468b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 14478b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 14487fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy int alpha; 14497fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy SkXfermode::Mode mode; 14507fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy getAlphaAndMode(paint, &alpha, &mode); 14517fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1452746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy setupDraw(); 145386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 145486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 145586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 145686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 145786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 145886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 145986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 146086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(texture->id); 146186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 146286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 146386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(); 146486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 14658694230ff25fa0a60e480d424843e56b718f0516Romain Guy 14660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 146786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 146886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 14697fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 14707fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 14716926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 1472d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 1473d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1474d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1475d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 147606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 147706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 147806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 147906f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 148006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 148106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 1482fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 148306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 14847fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 14857fac2e18339f765320d759e8d4c090f92431959eRomain Guy 1486d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1487db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 1488db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 1489db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1490db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 1491db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1492db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1493db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1494db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 1495db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 1496db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1497db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1498db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 14991e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 15001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 15011e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 15021e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 15031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 15041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 15051e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 15061e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 15071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 15081e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 15091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 15101e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 15111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 15121e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 15131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 15141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 15156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 15166926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 15176926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1518f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 15190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 15200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 15210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 15220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 15240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 15250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 15260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 15270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 15280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 15290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 15300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 15310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy underlineWidth = paint->measureText(text, bytesCount); 15320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 15350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy switch (paint->getTextAlign()) { 15360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 15370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 15380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 15390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 15400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 15410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 15420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 15430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 15440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 1547e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float textSize = paint->getTextSize(); 1548e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float strokeWidth = textSize * kStdUnderline_Thickness; 15490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1550e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 15510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 1552e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1553e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const int pointsCount = 4 * (flags & SkPaint::kStrikeThruText_Flag ? 2 : 1); 1554e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 1555e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 15560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 15580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 1559e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 1560e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 1561e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 1562e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 15630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 15660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 1567e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 1568e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 1569e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 1570e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 15710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 1572e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1573e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy SkPaint linesPaint(*paint); 1574e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy linesPaint.setStrokeWidth(strokeWidth); 1575e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1576e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy drawLines(&points[0], pointsCount, &linesPaint); 15770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 15800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1581026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 15821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 1583d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 158406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 1585d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 1586d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 1587d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 158870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 158970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 159070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 159170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 159270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 159370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 159470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 159570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 159670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 159770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 159870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 1599c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 1600c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1601c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 1602c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 160382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 16048164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 160582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 160682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 160782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 160882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 16098164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 16108164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 16116620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 16126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 16136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 16146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 16156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 16166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 16176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 16186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 16196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 16206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 16216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 16226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 162385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 162485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1625bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 1626a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 1627a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 162803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 1629f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1630f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1631f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 1632a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 16336820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 16345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 16358694230ff25fa0a60e480d424843e56b718f0516Romain Guy 163670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 163770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 163870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 163970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 164070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 164170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 164270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 164370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 1644db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 16455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 164670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 164703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 164870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 1649db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 165086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 165170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 165270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 165370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 1654db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 16556820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 165670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 165770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 165882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 165982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1660a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 1661f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 166282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 166382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 1664a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode < SkXfermode::kPlus_Mode) { 1665a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mCaches.blend) { 1666a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glEnable(GL_BLEND); 1667a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 166882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1669f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 1670f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 167182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1672a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 1673a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glBlendFunc(sourceMode, destMode); 1674a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastSrcMode = sourceMode; 1675a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastDstMode = destMode; 1676a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1677a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1678a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // These blend modes are not supported by OpenGL directly and have 1679a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // to be implemented using shaders. Since the shader will perform 1680a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // the blending, turn blending off here 1681746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (mCaches.extensions.hasFramebufferFetch()) { 1682a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 1683f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 1684a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1685a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 1686a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mCaches.blend) { 1687a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glDisable(GL_BLEND); 1688a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1689a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy blend = false; 169082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 1691fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 169282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 169382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 1694fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 1695bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 1696bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 1697889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 1698d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 1699fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 1700d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 1701fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 17026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 1703260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 17046926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 1705260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 1706260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 1707026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 1708ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 170982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 171082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 171182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 171282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 17138ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 17148ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 17155c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 17168ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 1717746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1718a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(paint->getXfermode(), mode); 1719a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1720a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1721a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = SkXfermode::kSrcOver_Mode; 1722a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1723a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1724a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = getXfermode(paint->getXfermode()); 17258ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 17268ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 17278ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 17288ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 17298ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 17308ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 17318ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 17328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 17338ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 17348ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 17358ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 17368ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 17378ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 1738026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 1739026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1740a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 1741a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode == NULL) { 1742a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return SkXfermode::kSrcOver_Mode; 1743a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1744a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return mode->fMode; 1745a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 1746a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 1747746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guyvoid OpenGLRenderer::setTextureWrapModes(Texture* texture, GLenum wrapS, GLenum wrapT) { 17488164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bool bound = false; 17498164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapS != texture->wrapS) { 17508164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 17518164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bound = true; 17528164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapS); 17538164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapS = wrapS; 17548164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 17558164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapT != texture->wrapT) { 17563e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy if (!bound) { 17573e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 17583e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy } 17598164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapT); 17608164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapT = wrapT; 17618164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 1762a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 1763a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 17649d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 1765e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 1766