OpenGLRenderer.cpp revision a07105b7d2a27e6d69407bf96ddb773bddb5e553
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); 165a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 166a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 167a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy LOGE(" OpenGLRenderer is out of memory!"); 168a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 169a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 170b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 171b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 172c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 173c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 174e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 175e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 176e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 177e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 178c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 179b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 180b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 181da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guyvoid OpenGLRenderer::acquireContext() { 182da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 183da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 184da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 185da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 186da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 187da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 18850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 189da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 190da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 191da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guyvoid OpenGLRenderer::releaseContext() { 192eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(0, 0, mSnapshot->viewport.getWidth(), mSnapshot->viewport.getHeight()); 193da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 194da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 195746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 196da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 197f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glDisable(GL_DITHER); 198f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 199f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, 0); 20003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 20150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 20250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 20350c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 20450c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 20550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 206da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 207da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 208f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 209f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 210f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 211f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 212bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 2137ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 214bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 215bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 216bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 2178aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 218bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 219bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 220bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 2212542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 2222542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2237ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 224bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 225bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 226bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 2278fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 228bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2298fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 2302542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2317ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 232bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 233bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2348aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 2358aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 2368fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 237bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 238bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 239bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 2407ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 241bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 242eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 243bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 244bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 2457ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 246bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 247eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 248eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 249eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 250eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 251eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 252eb99356a0548684a501766e6a524529ab93304c8Romain Guy 2538b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 2548b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 2558b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 2562542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 257746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 2588fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 2592542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 2605ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 2615ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 2625ec9924d24495822b589f1a17996655d66273b30Romain Guy } 2635ec9924d24495822b589f1a17996655d66273b30Romain Guy 2642542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 265d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 2665cbbce535744b89df5ecea95de21ee3733298260Romain Guy 267f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 268bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 269bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 270bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 271bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 2725c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 273eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 274eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 275d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 276af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 277e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 278e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 279e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 280e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 281e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 282e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 283e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 284e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 285e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 286e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 287e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 288e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 289e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 290a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 291a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 292e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 293d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 294d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 295dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 296dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 297d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 298d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 299bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 300bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 301bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 302bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 3035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 3048aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 3058b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 3068aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 3078aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 3088aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 3098b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 310d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 311bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3121c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 3131c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 3141c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 3151c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 3161c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 3171c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 3181c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 3191c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 3211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 3221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 3231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 3241c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 3251c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 3261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 3271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 3296b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 3306b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 3316b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 3326b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 3331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 3351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 3361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 33787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 3381c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 3391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 3401c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 3421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 3431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 3441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 3451c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 3461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 3481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 3491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 3501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 3511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 3521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 3531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 3551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 3561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 35787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 35887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 35987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 36087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 36187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 3621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 363d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 364eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 365eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 366eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 367fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 368dda570201ac851dd85af3861f7e575721d3345daRomain Guy 369eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 370eb99356a0548684a501766e6a524529ab93304c8Romain Guy 371f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 3728aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 373ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy if (fboLayer) { 374ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy // Clear the previous layer regions before we change the viewport 375ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clearLayerRegions(); 376ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } else { 377eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 378ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 379eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 38058ae6db4ff8a9d0910e1183ee8be9a038a2712a6Romain Guy bounds.intersect(*snapshot->clipRect); 381ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 382ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy // We cannot work with sub-pixels in this case 383ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy bounds.snapToPixelBoundaries(); 384ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy 385ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 386ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy // need to make sure the layer does not extend outside the bounds 387ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy // of the framebuffer 388ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy bounds.intersect(snapshot->previous->viewport); 389eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 390bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 391746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 392746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 39332963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 394dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 395e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 396dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 397dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 398dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 399af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 400b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 401b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 402dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glActiveTexture(gTextureUnits[0]); 4048550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 405f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 406f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 407bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 408bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 409dda570201ac851dd85af3861f7e575721d3345daRomain Guy layer->mode = mode; 410f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy layer->alpha = alpha; 4118aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 4128550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->height), 4138550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy bounds.getWidth() / float(layer->width), 0.0f); 414171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy layer->colorFilter = mColorFilter; 415dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4168fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 4178fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 418dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 4191d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 420eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 4215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 422eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 423eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 424eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 425eb99356a0548684a501766e6a524529ab93304c8Romain Guy 426ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy if (layer->empty) { 427ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bounds.left, 428ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy snapshot->height - bounds.bottom, layer->width, layer->height, 0); 429ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy layer->empty = false; 430ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } else { 431ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 432ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 433ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 434eb99356a0548684a501766e6a524529ab93304c8Romain Guy 435eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Enqueue the buffer coordinates to clear the corresponding region later 436eb99356a0548684a501766e6a524529ab93304c8Romain Guy mLayers.push(new Rect(bounds)); 437eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 438f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 439d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 440bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 441bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 4435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 4445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->fbo = mCaches.fboCache.get(); 4455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 4475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 4485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 4495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 4505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 4525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 4535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 4545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 4555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 4565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 4585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 4595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 4615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 4625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 4635ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 4645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 4665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->fbo = layer->fbo; 4675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 4685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 4695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 4705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 4715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 4725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 4735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 4755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->fbo); 4765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 4775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 4795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->empty) { 4805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->empty = false; 4815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->width, layer->height, 0, 4825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GL_RGBA, GL_UNSIGNED_BYTE, NULL); 4835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 4845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 4865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->texture, 0); 4875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 4895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 4905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 4915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy LOGE("Framebuffer incomplete (GL error code 0x%x)", status); 4925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 4945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDeleteTextures(1, &layer->texture); 4955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mCaches.fboCache.put(layer->fbo); 4965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 4985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 5005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 5045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 5055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 5065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 5075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 5085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 5105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 5125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 5135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 5145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 5165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5181c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5191c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 5201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 5211d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 5221d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 5231d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LOGE("Attempting to compose a layer that does not exist"); 5241d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 5251d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5261d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 528eb99356a0548684a501766e6a524529ab93304c8Romain Guy 529eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 530eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 531eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 532eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 533eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 5351d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 5361d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 537eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (!fboLayer && layer->alpha < 255) { 538f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 5391c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy layer->alpha << 24, SkXfermode::kDstIn_Mode, true); 5405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 5415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha = 255; 542f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 543f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 54403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 5458b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 546746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 5475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 5495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 550eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 5515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 552171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy if (layer->colorFilter) { 553171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy setupColorFilter(layer->colorFilter); 554171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 556171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy if (layer->colorFilter) { 557171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 558171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 559eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 5605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 5615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect, true); 562eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 5631d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 564eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 565eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 566eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 567eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 568eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 569eb99356a0548684a501766e6a524529ab93304c8Romain Guy 570eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 571eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 572eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 573eb99356a0548684a501766e6a524529ab93304c8Romain Guy 574746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 575746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 576eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 5778550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 5781d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 5791d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy glDeleteTextures(1, &layer->texture); 5801d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 5811d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5821d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 5831d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 5855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const Rect& texCoords = layer->texCoords; 5865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, texCoords.right, texCoords.bottom); 5875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureMesh(rect.left, rect.top, rect.right, rect.bottom, layer->texture, 5895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha / 255.0f, layer->mode, layer->blend, &mMeshVertices[0].position[0], 5905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy &mMeshVertices[0].texture[0], GL_TRIANGLE_STRIP, gMeshCount, swap, swap); 5915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 5935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 5965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!layer->region.isEmpty()) { 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy setupDraw(); 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy ProgramDescription description; 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy description.hasTexture = true; 6115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float alpha = layer->alpha / 255.0f; 6135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool setColor = description.setColor(alpha, alpha, alpha, alpha); 6145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy chooseBlending(layer->blend || layer->alpha < 255, layer->mode, description, false); 6155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy useProgram(mCaches.programCache.get(description)); 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Texture 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bindTexture(layer->texture); 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), 0); 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Always premultiplied 6235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (setColor) { 6245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mCaches.currentProgram->setColor(alpha, alpha, alpha, alpha); 6255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mesh 6285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int texCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 6295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glEnableVertexAttribArray(texCoordsSlot); 6305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mModelView.loadIdentity(); 6325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 6335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texX = 1.0f / float(layer->width); 6355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texY = 1.0f / float(layer->height); 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 6385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 6415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy gMeshStride, &mesh[0].position[0]); 6425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glVertexAttribPointer(texCoordsSlot, 2, GL_FLOAT, GL_FALSE, 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy gMeshStride, &mesh[0].texture[0]); 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 6465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 6475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float v1 = (rect.getHeight() - r->top) * texY; 6505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 6515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float v2 = (rect.getHeight() - r->bottom) * texY; 6525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 6545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 6555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 6565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 6575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 6605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 6635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 6645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 6655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 6695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 6705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 6735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDisableVertexAttribArray(texCoordsSlot); 6745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy uint32_t colors[] = { 6775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 0x7fff0000, 0x7f00ff00, 6785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 0x7f0000ff, 0x7fff00ff, 6795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy }; 6805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int offset = 0; 6825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int32_t top = rects[0].top; 6835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int i = 0; 6845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 6865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (top != rects[i].top) { 6875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy offset ^= 0x2; 6885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy top = rects[i].top; 6895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 6925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 6935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy SkXfermode::kSrcOver_Mode); 6945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 6985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 7005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 7015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 7065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 7075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if ((mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region) { 7085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 7095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 7105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.intersect(*mSnapshot->clipRect); 7115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.snapToPixelBoundaries(); 7125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 7145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!dirty.isEmpty()) { 7155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region->orSelf(dirty); 7165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 7235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 7245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if ((mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region) { 7255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 7265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.intersect(*mSnapshot->clipRect); 7275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.snapToPixelBoundaries(); 7285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 7305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!dirty.isEmpty()) { 7315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region->orSelf(dirty); 7325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7378694230ff25fa0a60e480d424843e56b718f0516Romain Guyvoid OpenGLRenderer::clearLayerRegions() { 738af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mLayers.size() == 0 || mSnapshot->isIgnored()) return; 7398694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clipRect(*mSnapshot->clipRect); 7415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clipRect.snapToPixelBoundaries(); 7425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7438694230ff25fa0a60e480d424843e56b718f0516Romain Guy for (uint32_t i = 0; i < mLayers.size(); i++) { 7448694230ff25fa0a60e480d424843e56b718f0516Romain Guy Rect* bounds = mLayers.itemAt(i); 7455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (clipRect.intersects(*bounds)) { 7465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the framebuffer where the layer will draw 7475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(bounds->left, mSnapshot->height - bounds->bottom, 7485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds->getWidth(), bounds->getHeight()); 7495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 7505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 7515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Restore the clip 7535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 7545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7558694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7568694230ff25fa0a60e480d424843e56b718f0516Romain Guy delete bounds; 7578694230ff25fa0a60e480d424843e56b718f0516Romain Guy } 7588694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mLayers.clear(); 7608694230ff25fa0a60e480d424843e56b718f0516Romain Guy} 7618694230ff25fa0a60e480d424843e56b718f0516Romain Guy 762bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 763f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 764f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 765f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 766f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 7678aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 768f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 769f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 770f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 7718aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 772f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 773f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 774f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 7758aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 776f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 777f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 778f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 7798aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->load(*matrix); 780f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 781f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 78241030da16856c8869e1e51d4a0405432fa96614eRomain Guyconst float* OpenGLRenderer::getMatrix() const { 78399bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy if (mSnapshot->fbo != 0) { 78499bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mSnapshot->transform->data[0]; 78599bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy } 78699bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mIdentity.data[0]; 78741030da16856c8869e1e51d4a0405432fa96614eRomain Guy} 78841030da16856c8869e1e51d4a0405432fa96614eRomain Guy 789f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 7908aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 791f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 792f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 793f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 794e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 795e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 796e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 797e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 798f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 799f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 800f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 801f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 802f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 803f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 804bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 805e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 806e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 807eb99356a0548684a501766e6a524529ab93304c8Romain Guy glScissor(clip.left, mSnapshot->height - clip.bottom, clip.getWidth(), clip.getHeight()); 808746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 8099d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 8109d5316e3f56d138504565ff311145ac01621dff4Romain Guy 8119d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 812079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 813bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 814bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 815c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 816af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 817dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 818dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 819dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 8201d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 8218aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 822d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 823d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 824d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 825d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 826d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 827d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 828c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 829c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 830079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 831079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 8327ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 833746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 8347ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 8358aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 836e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 837e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 838f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 83970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 84070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 84170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 84270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDraw() { 84370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy clearLayerRegions(); 84470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 84570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 84670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 84770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 84870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 84970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 85070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 85170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 85270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 8538d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mTexCoordsSlot = -1; 85470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 85570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 85670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 85770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 85870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 85970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 86070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 86170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 8628d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 8638d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 8648d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 8658d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 8668d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 86770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 868fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 869fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 870fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 87170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 87270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 87370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 87470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 87586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 87686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 87786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 87886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 87986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 88086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 88186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 88286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 88386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 88486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 88570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 88670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 88770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 88870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 88970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 89070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 89170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 89270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 89370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 89486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 89586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 89686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 89786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 89886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 89986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 90086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 90186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 90286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 90370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 90470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 90570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 90670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 90770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 90870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 90970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 91070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 91170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 91270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 91370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 91470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 91570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 91670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 91770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 91870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 91970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 92070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 92170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 92270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 92370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 92470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 92570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 92670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 92770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 92870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 92970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 93070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 93170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 93270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 93370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 93470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 93570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 93670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 93770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 93870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 93970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 94070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 94170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 94270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 94370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 94470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 9458d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawModelViewIdentity() { 9468d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform); 9478d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 9488d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 94970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 95070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 95170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 95270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 95370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 95470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 95570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 95670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 95786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 95886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 95986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 96086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 96186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 96286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 96386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 96486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 96586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 96686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 96770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 96870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 96970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 9705536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 97170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 97270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 97370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 97470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 97586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 9765536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 97786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 9785536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 9795536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 9805536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 98170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 98270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 98370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 98470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 98570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 98670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 98770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 98870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 98970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 9908d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 9918d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 9928d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 9938d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 9948d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 9958d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 99670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 99770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 99870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 99970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 100070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 100170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 100370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(); 100470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 100570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, 0); 100670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 100770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 100970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 101070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 101170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 101270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 101370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 101470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 101570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 101670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 101770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 101870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 101970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 102070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.unbindMeshBuffer(); 102170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 102270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 102370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, vertices); 10248d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mTexCoordsSlot > 0) { 10258d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy glVertexAttribPointer(mTexCoordsSlot, 2, GL_FLOAT, GL_FALSE, gMeshStride, texCoords); 10268d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 102770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 102870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 102970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 103070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glDisableVertexAttribArray(mTexCoordsSlot); 103170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 103270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 103370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1034f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1035f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1036f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 10370fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guyvoid OpenGLRenderer::drawDisplayList(DisplayList* displayList) { 10380fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 10390fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 10400fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy if (displayList) { 10410fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy displayList->replay(*this); 10420fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 10430fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 10440fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 10455c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 10466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 10476926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 10486926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 10496926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 10506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10516926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10526926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 105386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 10548164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10559cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 105622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 105722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 10586926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 10598ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 10608ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 10615c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1062f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1063f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1064f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1065f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 10666926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 10676926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10686926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10696926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 107086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 10718164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10729cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 107322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 107422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 10755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 10765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 10775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 10785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 10795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 10805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1081f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1082f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 10838ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 10848ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 10858ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 10865c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 10876926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 10886926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10896926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10906926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1091746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 10928164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10939cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 109422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 10958164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 10968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 10978ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 10988ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1099c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 11008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u1 = srcLeft / width; 11018ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v1 = srcTop / height; 11028ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u2 = srcRight / width; 11038ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v2 = srcBottom / height; 1104c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 110503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 11068ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 11078ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 110803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 110903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 111003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 111103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 11126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 11136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 11146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 11156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 11166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 11176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 11186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 11196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 11206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 11216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 11226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 11236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 11246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 11258ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 11268ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1127ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1128ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 11294aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 11304bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 11315c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 11326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 11336926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 11346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 11356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1136746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 11378164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 11389cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 113922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 11408164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1141f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1142f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1143f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1144f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1145f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 11462728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 11474bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1148f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1149a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy if (mesh && mesh->verticesCount > 0) { 11506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1151a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 11525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 11535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if ((mSnapshot->flags & Snapshot::kFlagFboTarget) && 11545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region && mesh->hasEmptyQuads) { 11555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 11565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 11578ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 11586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 11596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(bounds.left + 0.5f); 11606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(bounds.top + 0.5f); 11618ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 11626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy *mSnapshot->transform); 11636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 11646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy dirtyLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, 11656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy *mSnapshot->transform); 11666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 11675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1169a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 11705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 11726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 11736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 11746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 11756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 11766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 11776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 11786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 11796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 11806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 11816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 11826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 11836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 11846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1185054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1186f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1187f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 11885c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 11897f78b0c3ae6222b39f6240524390de9764f21764Romain Guy // TODO: Should do quickReject for each line 1190af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1191dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1192a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool isAA = paint->isAntiAlias(); 1193a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const float strokeWidth = paint->getStrokeWidth() * 0.5f; 1194a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // A stroke width of 0 has a special meaningin Skia: 1195a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // it draws an unscaled 1px wide line 1196a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 1197a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1198759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy int alpha; 1199759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy SkXfermode::Mode mode; 1200759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1201759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1202a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy int verticesCount = count >> 2; 1203a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!isHairLine) { 1204a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: AA needs more vertices 1205a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy verticesCount *= 6; 1206a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } else { 1207a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: AA will be different 1208a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy verticesCount *= 2; 1209a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1210759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1211a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex lines[verticesCount]; 1212a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex* vertex = &lines[0]; 1213759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 12148d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDraw(); 12158d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(paint->getColor(), alpha); 12168d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorFilter(); 12178d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawShader(); 12188d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawBlending(mode); 12198d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawProgram(); 12208d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawModelViewIdentity(); 12218d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorUniforms(); 12228d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorFilterUniforms(); 12238d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawShaderIdentityUniforms(); 12248d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawMesh(vertex); 1225759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1226a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!isHairLine) { 1227a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Handle the AA case 1228a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy for (int i = 0; i < count; i += 4) { 1229a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // a = start point, b = end point 1230a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 a(points[i], points[i + 1]); 1231a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 b(points[i + 2], points[i + 3]); 1232a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1233a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Bias to snap to the same pixels as Skia 1234a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy a += 0.375; 1235a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy b += 0.375; 1236a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1237a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Find the normal to the line 1238a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 n = (b - a).copyNormalized() * strokeWidth; 1239a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy float x = n.x; 1240a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy n.x = -n.y; 1241a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy n.y = x; 1242a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1243a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Four corners of the rectangle defining a thick line 1244a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p1 = a - n; 1245a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p2 = a + n; 1246a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p3 = b + n; 1247a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p4 = b - n; 1248a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1249a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Draw the line as 2 triangles, could be optimized 1250a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // by using only 4 vertices and the correct indices 1251a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Also we should probably used non textured vertices 1252a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // when line AA is disabled to save on bandwidth 1253a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p1.x, p1.y, 0.0f, 0.0f); 1254a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p2.x, p2.y, 0.0f, 0.0f); 1255a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p3.x, p3.y, 0.0f, 0.0f); 1256a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p1.x, p1.y, 0.0f, 0.0f); 1257a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p3.x, p3.y, 0.0f, 0.0f); 1258a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, p4.x, p4.y, 0.0f, 0.0f); 1259a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1260a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Mark the dirty regions when RENDER_LAYERS_AS_REGIONS is set 1261a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1262a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1263a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // GL_LINE does not give the result we want to match Skia 1264a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy glDrawArrays(GL_TRIANGLES, 0, verticesCount); 1265a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } else { 1266a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Handle the AA case 1267a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy for (int i = 0; i < count; i += 4) { 1268a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 1269a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex::set(vertex++, points[i + 2], points[i + 3], 0.0f, 0.0f); 1270a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 12718d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 1272a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy glLineWidth(1.0f); 1273a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy glDrawArrays(GL_LINES, 0, verticesCount); 127429d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy } 1275759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy} 1276759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 127785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 1278e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 1279af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1280e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 1281ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 1282ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 128370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12843d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 1285c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 12869d5316e3f56d138504565ff311145ac01621dff4Romain Guy 12875c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 12886926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 12896926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 12906926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 12916926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1292026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 1293746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1294a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 1295a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1296a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1297a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 1298a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1299a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1300a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 1301026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1302026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1303026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Skia draws using the color's alpha channel if < 255 1304026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Otherwise, it uses the paint's alpha 1305026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 1306d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (((color >> 24) & 0xff) == 255) { 1307026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy color |= p->getAlpha() << 24; 1308026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1309026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1310026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy drawColorRect(left, top, right, bottom, color, mode); 1311c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 13129d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1313e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 1314e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy float x, float y, SkPaint* paint) { 1315b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (text == NULL || count == 0) { 1316e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 1317e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1318af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1319e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 1320f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy paint->setAntiAlias(true); 1321e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 1322a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy float length = -1.0f; 1323e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 1324e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 1325e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1326e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 1327e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1328e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 1329e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1330e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 1331e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1332e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 1333e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1334e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1335e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 13366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // TODO: Handle paint->getTextScaleX() 13373a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 13383a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 13396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 13406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 13416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 13426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 13436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 13446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1345b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 1346b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 1347fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 1348e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 134986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 135086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 135186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 13529d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 13531e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 1354b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 1355fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get(paint, text, bytesCount, 13561e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy count, mShadowRadius); 13571e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 13580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 135986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float sx = x - shadow->left + mShadowDx; 136086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float sy = y - shadow->top + mShadowDy; 136186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 136286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 136386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 136486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 136586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 136686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 136786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(mShadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 136886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 136986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 137086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height, pureTranslate); 137186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 137286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 137386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 13740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 13750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 137686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 13771e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 13781e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 1379b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (paint->getAlpha() == 0 && paint->getXfermode() == NULL) { 1380b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy return; 1381b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy } 1382b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy 13836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 13846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 13856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 13866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 13876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 13885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 138986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 139086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 139186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 139286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 139386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 139486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 139586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 139686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 139786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 139886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 139986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 140086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 140186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 140286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 140306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 14046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 14055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 14065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 14075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 14085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool hasLayer = (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 14095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 14105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool hasLayer = false; 14115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 14129d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 141303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 14146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 14155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy hasLayer ? &bounds : NULL)) { 14165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 14175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (hasLayer) { 14186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 14196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 14206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 14215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.intersect(*mSnapshot->clipRect); 14225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.snapToPixelBoundaries(); 14235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 14245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 14255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region->orSelf(dirty); 14265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 14275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 14285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1429694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1430694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 1431fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 1432a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy 14333a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 1434694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 1435694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 14367fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 1437af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1438dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 14397fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy GLuint textureUnit = 0; 14407fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy glActiveTexture(gTextureUnits[textureUnit]); 14417fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1442fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 14439cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 144422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 14457fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 14468b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 14478b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 14488b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 14498b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 14508b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy return; 14518b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 14528b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 14537fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy int alpha; 14547fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy SkXfermode::Mode mode; 14557fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy getAlphaAndMode(paint, &alpha, &mode); 14567fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1457746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy setupDraw(); 145886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 145986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 146086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 146186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 146286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 146386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 146486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 146586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(texture->id); 146686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 146786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 146886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(); 146986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 14708694230ff25fa0a60e480d424843e56b718f0516Romain Guy 14710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 147286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 147386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 14747fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 14757fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 14766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 1477d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 1478d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1479d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1480d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 148106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 148206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 148306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 148406f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 148506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 148606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 1487fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 148806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 14897fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 14907fac2e18339f765320d759e8d4c090f92431959eRomain Guy 1491d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1492db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 1493db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 1494db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1495db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 1496db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1497db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1498db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1499db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 1500db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 1501db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1502db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1503db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 15041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 15051e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 15061e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 15071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 15081e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 15091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 15101e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 15111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 15121e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 15131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 15141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 15151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 15161e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 15171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 15181e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 15191e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 15206926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 15216926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 15226926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1523f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 15240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 15250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 15260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 15270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 15290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 15300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 15310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 15320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 15330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 15340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 15350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 15360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy underlineWidth = paint->measureText(text, bytesCount); 15370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 15400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy switch (paint->getTextAlign()) { 15410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 15420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 15430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 15440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 15450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 15460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 15470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 15480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 15490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 1552e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float textSize = paint->getTextSize(); 1553e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float strokeWidth = textSize * kStdUnderline_Thickness; 15540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1555e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 15560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 1557e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1558e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const int pointsCount = 4 * (flags & SkPaint::kStrikeThruText_Flag ? 2 : 1); 1559e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 1560e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 15610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 15630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 1564e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 1565e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 1566e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 1567e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 15680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 15710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 1572e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 1573e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 1574e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 1575e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 15760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 1577e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1578e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy SkPaint linesPaint(*paint); 1579e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy linesPaint.setStrokeWidth(strokeWidth); 1580e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1581e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy drawLines(&points[0], pointsCount, &linesPaint); 15820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 15850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1586026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 15871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 1588d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 158906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 1590d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 1591d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 1592d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 159370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 159470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 159570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 159670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 159770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 159870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 159970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 160070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 160170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 160270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 160370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 1604c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 1605c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1606c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 1607c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 160882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 16098164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 161082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 161182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 161282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 161382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 16148164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 16158164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 16166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 16176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 16186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 16196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 16206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 16216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 16226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 16236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 16246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 16256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 16266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 16276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 162885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 162985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1630bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 1631a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 1632a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 163303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 1634f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1635f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1636f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 1637a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 16386820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 16395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 16408694230ff25fa0a60e480d424843e56b718f0516Romain Guy 164170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 164270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 164370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 164470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 164570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 164670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 164770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 164870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 1649db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 16505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 165170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 165203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 165370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 1654db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 165586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 165670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 165770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 165870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 1659db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 16606820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 166170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 166270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 166382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 166482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1665a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 1666f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 166782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 166882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 1669a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode < SkXfermode::kPlus_Mode) { 1670a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mCaches.blend) { 1671a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glEnable(GL_BLEND); 1672a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 167382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1674f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 1675f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 167682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1677a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 1678a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glBlendFunc(sourceMode, destMode); 1679a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastSrcMode = sourceMode; 1680a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastDstMode = destMode; 1681a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1682a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1683a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // These blend modes are not supported by OpenGL directly and have 1684a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // to be implemented using shaders. Since the shader will perform 1685a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // the blending, turn blending off here 1686746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (mCaches.extensions.hasFramebufferFetch()) { 1687a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 1688f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 1689a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1690a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 1691a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mCaches.blend) { 1692a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glDisable(GL_BLEND); 1693a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1694a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy blend = false; 169582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 1696fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 169782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 169882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 1699fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 1700bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 1701bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 1702889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 1703d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 1704fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 1705d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 1706fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 17076926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 1708260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 17096926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 1710260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 1711260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 1712026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 1713ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 171482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 171582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 171682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 171782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 17188ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 17198ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 17205c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 17218ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 1722746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1723a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(paint->getXfermode(), mode); 1724a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1725a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1726a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = SkXfermode::kSrcOver_Mode; 1727a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1728a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1729a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = getXfermode(paint->getXfermode()); 17308ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 17318ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 17328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 17338ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 17348ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 17358ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 17368ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 17378ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 17388ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 17398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 17408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 17418ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 17428ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 1743026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 1744026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1745a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 1746a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode == NULL) { 1747a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return SkXfermode::kSrcOver_Mode; 1748a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1749a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return mode->fMode; 1750a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 1751a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 1752746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guyvoid OpenGLRenderer::setTextureWrapModes(Texture* texture, GLenum wrapS, GLenum wrapT) { 17538164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bool bound = false; 17548164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapS != texture->wrapS) { 17558164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 17568164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bound = true; 17578164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapS); 17588164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapS = wrapS; 17598164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 17608164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapT != texture->wrapT) { 17613e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy if (!bound) { 17623e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 17633e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy } 17648164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapT); 17658164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapT = wrapT; 17668164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 1767a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 1768a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 17699d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 1770e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 1771