OpenGLRenderer.cpp revision 6c319ca1275c8db892c39b48fc54864c949f9171
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 1816c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 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 1916c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::acquireContext() { 1926c319ca1275c8db892c39b48fc54864c949f9171Romain Guy interrupt(); 1936c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 1946c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1956c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 196eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(0, 0, mSnapshot->viewport.getWidth(), mSnapshot->viewport.getHeight()); 197da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 198da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 199746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 200da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 201f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glDisable(GL_DITHER); 202f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 203f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, 0); 20403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 20550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 20650c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 20750c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 20850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 20950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 210da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 211da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 2126c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::releaseContext() { 2136c319ca1275c8db892c39b48fc54864c949f9171Romain Guy resume(); 2146c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 2156c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 216f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 217f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 218f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 219f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 220bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 2217ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 222bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 223bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 224bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 2258aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 226bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 227bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 228bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 2292542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 2302542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2317ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 232bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 233bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 234bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 2358fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 236bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2378fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 2382542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2397ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 240bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 241bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2428aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 2438aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 2448fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 245bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 246bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 247bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 2487ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 249bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 250eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 251bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 252bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 2537ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 254bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 255eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 256eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 257eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 258eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 259eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 260eb99356a0548684a501766e6a524529ab93304c8Romain Guy 2618b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 2628b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 2638b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 2642542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 265746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 2668fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 2672542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 2685ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 2695ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 2705ec9924d24495822b589f1a17996655d66273b30Romain Guy } 2715ec9924d24495822b589f1a17996655d66273b30Romain Guy 2722542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 273d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 2745cbbce535744b89df5ecea95de21ee3733298260Romain Guy 275f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 276bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 277bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 278bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 279bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 2805c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 281eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 282eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 283d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 284af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 285e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 286e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 287e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 288e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 289e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 290e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 291e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 292e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 293e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 294e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 295e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 296e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 297e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 298a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 299a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 300e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 301d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 302d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 303dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 304dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 305d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 306d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 307bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 308bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 309bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 310bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 3115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 3128aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 3138b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 3148aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 3158aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 3168aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 3178b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 318d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 319bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3201c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 3211c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 3221c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 3231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 3241c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 3251c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 3261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 3271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 3291c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 3301c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 3311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 3321c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 3331c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 3341c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 3351c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3361c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 3376b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 3386b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 3396b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 3406b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 3411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 3431c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 3441c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 34587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 3461c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 3471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 3481c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3491c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 3501c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 3511c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 3521c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 3531c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 3541c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 3561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 3571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 3581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 3591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 3601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 3611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 3631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 3641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 36587a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 36687a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 36787a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 36887a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 36987a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 3701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 371d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 372eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 373eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 374eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 375fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 376dda570201ac851dd85af3861f7e575721d3345daRomain Guy 377eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 378eb99356a0548684a501766e6a524529ab93304c8Romain Guy 379f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 3808aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 381ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy if (fboLayer) { 382ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy // Clear the previous layer regions before we change the viewport 383ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clearLayerRegions(); 384ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } else { 385eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 386ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 387eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 38858ae6db4ff8a9d0910e1183ee8be9a038a2712a6Romain Guy bounds.intersect(*snapshot->clipRect); 389ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 390ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy // We cannot work with sub-pixels in this case 391ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy bounds.snapToPixelBoundaries(); 392ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy 393ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 394ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy // need to make sure the layer does not extend outside the bounds 395ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy // of the framebuffer 396ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy bounds.intersect(snapshot->previous->viewport); 397eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 398bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 399746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 400746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 40132963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 402dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 403e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 404dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 405dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 406dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 407af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 408b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 409b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 410dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glActiveTexture(gTextureUnits[0]); 4128550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 413f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 414f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 415bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 416bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 417dda570201ac851dd85af3861f7e575721d3345daRomain Guy layer->mode = mode; 418f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy layer->alpha = alpha; 4198aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 4208550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->height), 4218550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy bounds.getWidth() / float(layer->width), 0.0f); 422171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy layer->colorFilter = mColorFilter; 423dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4248fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 4258fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 426dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 4271d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 428eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 4295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 430eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 431eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 432eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 433eb99356a0548684a501766e6a524529ab93304c8Romain Guy 434ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy if (layer->empty) { 435ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bounds.left, 436ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy snapshot->height - bounds.bottom, layer->width, layer->height, 0); 437ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy layer->empty = false; 438ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } else { 439ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 440ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 441ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 442eb99356a0548684a501766e6a524529ab93304c8Romain Guy 443eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Enqueue the buffer coordinates to clear the corresponding region later 444eb99356a0548684a501766e6a524529ab93304c8Romain Guy mLayers.push(new Rect(bounds)); 445eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 446f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 447d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 448bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 449bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 4515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 4525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->fbo = mCaches.fboCache.get(); 4535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 4555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 4565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 4575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 4585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 4605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 4615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 4625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 4635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 4645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 4665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 4675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 4695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 4705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 4715ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 4725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 4745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->fbo = layer->fbo; 4755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 4765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 4775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 4785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 4795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 4805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 4815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 4835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->fbo); 4845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 4855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 4875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->empty) { 4885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->empty = false; 4895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->width, layer->height, 0, 4905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GL_RGBA, GL_UNSIGNED_BYTE, NULL); 4915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 4925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 4945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->texture, 0); 4955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 4975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 4985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 4995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy LOGE("Framebuffer incomplete (GL error code 0x%x)", status); 5005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 5025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDeleteTextures(1, &layer->texture); 5035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mCaches.fboCache.put(layer->fbo); 5045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 5065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 5085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 5125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 5135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 5145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 5155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 5165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 5185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 5205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 5215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 5225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 5245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5261c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5271c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 5281c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 5291d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 5301d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 5311d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LOGE("Attempting to compose a layer that does not exist"); 5321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 5331d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 536eb99356a0548684a501766e6a524529ab93304c8Romain Guy 537eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 538eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 539eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 540eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 541eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5421d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 5431d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 5441d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 545eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (!fboLayer && layer->alpha < 255) { 546f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 5471c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy layer->alpha << 24, SkXfermode::kDstIn_Mode, true); 5485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 5495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha = 255; 550f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 551f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 55203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 5538b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 554746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 5575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 558eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 5595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 560171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy if (layer->colorFilter) { 561171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy setupColorFilter(layer->colorFilter); 562171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 5635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 564171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy if (layer->colorFilter) { 565171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 566171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 567eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 5685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 5695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect, true); 570eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 5711d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 572eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 573eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 574eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 575eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 576eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 577eb99356a0548684a501766e6a524529ab93304c8Romain Guy 578eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 579eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 580eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 581eb99356a0548684a501766e6a524529ab93304c8Romain Guy 582746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 583746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 584eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 5858550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 5861d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 5871d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy glDeleteTextures(1, &layer->texture); 5881d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 5891d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5901d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 5911d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 5935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const Rect& texCoords = layer->texCoords; 5945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, texCoords.right, texCoords.bottom); 5955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureMesh(rect.left, rect.top, rect.right, rect.bottom, layer->texture, 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha / 255.0f, layer->mode, layer->blend, &mMeshVertices[0].position[0], 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy &mMeshVertices[0].texture[0], GL_TRIANGLE_STRIP, gMeshCount, swap, swap); 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 6075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 6095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!layer->region.isEmpty()) { 6125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 6135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 6145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float alpha = layer->alpha / 255.0f; 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texX = 1.0f / float(layer->width); 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texY = 1.0f / float(layer->height); 6185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 6205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6227230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 6237230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 6247230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 6257230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawBlending(layer->blend || layer->alpha < 255, layer->mode, false); 6267230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 6277230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 6287230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 6297230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawTexture(layer->texture); 6307230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawModelViewIdentity(); 6317230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0]); 6325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 6345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 6355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 6375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float v1 = (rect.getHeight() - r->top) * texY; 6385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float v2 = (rect.getHeight() - r->bottom) * texY; 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 6425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 6455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 6465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 6505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 6515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 6525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 6575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 6617230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy uint32_t colors[] = { 6655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 0x7fff0000, 0x7f00ff00, 6665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 0x7f0000ff, 0x7fff00ff, 6675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy }; 6685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int offset = 0; 6705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int32_t top = rects[0].top; 6715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int i = 0; 6725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 6745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (top != rects[i].top) { 6755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy offset ^= 0x2; 6765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy top = rects[i].top; 6775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 6805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 6815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy SkXfermode::kSrcOver_Mode); 6825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 6865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 6885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 6895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 6935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 6945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 6955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if ((mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region) { 6965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 6975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 6985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.intersect(*mSnapshot->clipRect); 6995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.snapToPixelBoundaries(); 7005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 7025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!dirty.isEmpty()) { 7035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region->orSelf(dirty); 7045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 7115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 7125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if ((mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region) { 7135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 7145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.intersect(*mSnapshot->clipRect); 7155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.snapToPixelBoundaries(); 7165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 7185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!dirty.isEmpty()) { 7195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region->orSelf(dirty); 7205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7258694230ff25fa0a60e480d424843e56b718f0516Romain Guyvoid OpenGLRenderer::clearLayerRegions() { 726af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mLayers.size() == 0 || mSnapshot->isIgnored()) return; 7278694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clipRect(*mSnapshot->clipRect); 7295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clipRect.snapToPixelBoundaries(); 7305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7318694230ff25fa0a60e480d424843e56b718f0516Romain Guy for (uint32_t i = 0; i < mLayers.size(); i++) { 7328694230ff25fa0a60e480d424843e56b718f0516Romain Guy Rect* bounds = mLayers.itemAt(i); 7335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (clipRect.intersects(*bounds)) { 7345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the framebuffer where the layer will draw 7355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(bounds->left, mSnapshot->height - bounds->bottom, 7365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds->getWidth(), bounds->getHeight()); 7375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 7385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 7395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Restore the clip 7415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 7425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7438694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7448694230ff25fa0a60e480d424843e56b718f0516Romain Guy delete bounds; 7458694230ff25fa0a60e480d424843e56b718f0516Romain Guy } 7468694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mLayers.clear(); 7488694230ff25fa0a60e480d424843e56b718f0516Romain Guy} 7498694230ff25fa0a60e480d424843e56b718f0516Romain Guy 750bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 751f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 752f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 753f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 754f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 7558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 756f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 757f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 758f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 7598aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 760f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 761f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 762f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 7638aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 764f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 765f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 766f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 7678aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->load(*matrix); 768f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 769f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 77041030da16856c8869e1e51d4a0405432fa96614eRomain Guyconst float* OpenGLRenderer::getMatrix() const { 77199bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy if (mSnapshot->fbo != 0) { 77299bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mSnapshot->transform->data[0]; 77399bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy } 77499bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mIdentity.data[0]; 77541030da16856c8869e1e51d4a0405432fa96614eRomain Guy} 77641030da16856c8869e1e51d4a0405432fa96614eRomain Guy 777f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 7788aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 779f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 780f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 781f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 782e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 783e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 784e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 785e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 786f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 787f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 788f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 789f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 790f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 791f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 792bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 793e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 794e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 795eb99356a0548684a501766e6a524529ab93304c8Romain Guy glScissor(clip.left, mSnapshot->height - clip.bottom, clip.getWidth(), clip.getHeight()); 796746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 7979d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 7989d5316e3f56d138504565ff311145ac01621dff4Romain Guy 7999d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 800079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 801bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 802bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 803c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 804af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 805dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 806dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 807dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 8081d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 8098aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 810d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 811d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 812d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 813d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 814d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 815d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 816c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 817c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 818079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 819079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 8207ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 821746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 8227ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 8238aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 824e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 825e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 826f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 82770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 82870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 82970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 83070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDraw() { 83170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy clearLayerRegions(); 83270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 83370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 83470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 83570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 83670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 83770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 83870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 83970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 84070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 8418d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mTexCoordsSlot = -1; 84270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 84370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 84470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 84570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 84670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 84770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 84870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 84970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 8508d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 8518d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 8528d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 8538d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 8548d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 85570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 856fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 857fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 858fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 85970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 86070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 86170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 86270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 86386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 86486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 86586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 86686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 86786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 86886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 86986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 87086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 87186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 87286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 87370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 87470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 87570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 87670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 87770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 87870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 87970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 88070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 88170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 88286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 88386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 88486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 88586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 88686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 88786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 88886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 88986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 89086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 89170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 89270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 89370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 89470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 89570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 89670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 89770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 89870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 89970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 90070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 90170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 90270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 90370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 90470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 90570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 90670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 90770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 90870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 90970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 91070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 91170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 91270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 91370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 91470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 91570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 91670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 91770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 91870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 91970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 92070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 92170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 92270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 92370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 92470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 92570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 92670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 92770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 92870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 92970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 93070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 93170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 93270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 9338d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawModelViewIdentity() { 9348d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform); 9358d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 9368d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 93770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 93870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 93970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 94070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 94170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 94270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 94370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 94470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 94586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 94686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 94786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 94886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 94986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 95086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 95186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 95286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 95386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 95486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 95570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 95670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 95770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 9585536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 95970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 96070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 96170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 96270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 96386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 9645536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 96586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 9665536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 9675536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 9685536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 96970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 97070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 97170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 97270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 97370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 97470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 97570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 97670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 97770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 9788d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 9798d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 9808d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 9818d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 9828d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 9838d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 98470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 98570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 98670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 98770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 98870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 98970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 99070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 99170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(); 99270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 99370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, 0); 99470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 99570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 99670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 99770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 99870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 99970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 100170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 100270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 100370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 100570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 100670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 100770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 100870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.unbindMeshBuffer(); 100970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 101070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 101170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, vertices); 10128d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mTexCoordsSlot > 0) { 10138d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy glVertexAttribPointer(mTexCoordsSlot, 2, GL_FLOAT, GL_FALSE, gMeshStride, texCoords); 10148d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 101570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 101670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 101770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 101870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glDisableVertexAttribArray(mTexCoordsSlot); 101970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 102070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 102170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1022f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1023f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1024f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 10250fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guyvoid OpenGLRenderer::drawDisplayList(DisplayList* displayList) { 10260fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 10270fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 10280fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy if (displayList) { 10290fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy displayList->replay(*this); 10300fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 10310fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 10320fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 10335c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 10346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 10356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 10366926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 10376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 10386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 104186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 10428164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10439cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 104422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 104522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 10466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 10478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 10488ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 10495c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1050f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1051f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1052f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1053f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 10546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 10556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 105886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 10598164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10609cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 106122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 106222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 10635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 10645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 10655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 10665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 10675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 10685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1069f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1070f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 10718ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 10728ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 10738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 10745c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 10756926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 10766926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10786926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1079746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 10808164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10819cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 108222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 10838164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 10848ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 10858ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 10868ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1087c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 10888ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u1 = srcLeft / width; 10898ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v1 = srcTop / height; 10908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u2 = srcRight / width; 10918ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v2 = srcBottom / height; 1092c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 109303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 10948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 10958ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 109603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 109703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 109803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 109903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 11006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 11016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 11026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 11036620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 11046620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 11056620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 11066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 11076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 11086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 11096620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 11106620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 11116620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 11126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 11138ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 11148ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1115ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1116ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 11174aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 11184bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 11195c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 11206926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 11216926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 11226926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 11236926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1124746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 11258164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 11269cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 112722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 11288164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1129f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1130f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1131f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1132f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1133f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 11342728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 11354bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1136f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1137a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy if (mesh && mesh->verticesCount > 0) { 11386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1139a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 11405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 11415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if ((mSnapshot->flags & Snapshot::kFlagFboTarget) && 11425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region && mesh->hasEmptyQuads) { 11435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 11445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 11458ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 11466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 11476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(bounds.left + 0.5f); 11486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(bounds.top + 0.5f); 11498ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 11506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy *mSnapshot->transform); 11516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 11526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy dirtyLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, 11536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy *mSnapshot->transform); 11546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 11555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 11565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1157a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 11585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 11596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 11606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 11616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 11626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 11636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 11646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 11656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 11666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 11676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 11686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 11696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 11706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 11716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 11726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1173054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1174f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1175f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 11765c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 1177af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1178dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1179a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool isAA = paint->isAntiAlias(); 1180a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const float strokeWidth = paint->getStrokeWidth() * 0.5f; 1181a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // A stroke width of 0 has a special meaningin Skia: 1182a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // it draws an unscaled 1px wide line 1183a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 1184a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1185759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy int alpha; 1186759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy SkXfermode::Mode mode; 1187759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1188759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1189a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy int verticesCount = count >> 2; 11907230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy int generatedVerticesCount = 0; 1191a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!isHairLine) { 1192a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: AA needs more vertices 1193a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy verticesCount *= 6; 1194a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } else { 1195a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: AA will be different 1196a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy verticesCount *= 2; 1197a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1198759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1199a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex lines[verticesCount]; 1200a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex* vertex = &lines[0]; 1201759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 12028d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDraw(); 12038d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(paint->getColor(), alpha); 12048d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorFilter(); 12058d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawShader(); 12068d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawBlending(mode); 12078d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawProgram(); 12088d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawModelViewIdentity(); 12098d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorUniforms(); 12108d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorFilterUniforms(); 12118d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawShaderIdentityUniforms(); 12128d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawMesh(vertex); 1213759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1214a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!isHairLine) { 1215a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Handle the AA case 1216a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy for (int i = 0; i < count; i += 4) { 1217a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // a = start point, b = end point 1218a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 a(points[i], points[i + 1]); 1219a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 b(points[i + 2], points[i + 3]); 1220a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1221a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Bias to snap to the same pixels as Skia 1222a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy a += 0.375; 1223a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy b += 0.375; 1224a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1225a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Find the normal to the line 1226a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 n = (b - a).copyNormalized() * strokeWidth; 1227a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy float x = n.x; 1228a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy n.x = -n.y; 1229a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy n.y = x; 1230a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1231a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Four corners of the rectangle defining a thick line 1232a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p1 = a - n; 1233a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p2 = a + n; 1234a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p3 = b + n; 1235a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p4 = b - n; 1236a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 12377230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 12387230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 12397230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 12407230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 12417230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 12427230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy if (!quickReject(left, top, right, bottom)) { 12437230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // Draw the line as 2 triangles, could be optimized 12447230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // by using only 4 vertices and the correct indices 12457230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // Also we should probably used non textured vertices 12467230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // when line AA is disabled to save on bandwidth 12477230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p1.x, p1.y, 0.0f, 0.0f); 12487230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p2.x, p2.y, 0.0f, 0.0f); 12497230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p3.x, p3.y, 0.0f, 0.0f); 12507230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p1.x, p1.y, 0.0f, 0.0f); 12517230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p3.x, p3.y, 0.0f, 0.0f); 12527230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p4.x, p4.y, 0.0f, 0.0f); 12537230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 12547230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy generatedVerticesCount += 6; 12557230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 12567230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 12577230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy } 1258a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1259a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 12607230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy if (generatedVerticesCount > 0) { 12617230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // GL_LINE does not give the result we want to match Skia 12627230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy glDrawArrays(GL_TRIANGLES, 0, generatedVerticesCount); 12637230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy } 1264a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } else { 1265a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Handle the AA case 1266a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy for (int i = 0; i < count; i += 4) { 12677230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float left = fmin(points[i], points[i + 1]); 12687230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float right = fmax(points[i], points[i + 1]); 12697230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float top = fmin(points[i + 2], points[i + 3]); 12707230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float bottom = fmax(points[i + 2], points[i + 3]); 12717230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 12727230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy if (!quickReject(left, top, right, bottom)) { 12737230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 12747230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, points[i + 2], points[i + 3], 0.0f, 0.0f); 12757230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 12767230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy generatedVerticesCount += 2; 12777230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 12787230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 12797230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy } 1280a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 12818d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 12827230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy if (generatedVerticesCount > 0) { 12837230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy glLineWidth(1.0f); 12847230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy glDrawArrays(GL_LINES, 0, generatedVerticesCount); 12857230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy } 128629d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy } 1287759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy} 1288759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 128985bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 1290e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 1291af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1292e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 1293ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 1294ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 129570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 12963d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 1297c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 12989d5316e3f56d138504565ff311145ac01621dff4Romain Guy 12995c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 13006926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 13016926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13026926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13036926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1304026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 1305746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1306a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 1307a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1308a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1309a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 1310a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1311a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1312a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 1313026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1314026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1315026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Skia draws using the color's alpha channel if < 255 1316026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Otherwise, it uses the paint's alpha 1317026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 1318d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (((color >> 24) & 0xff) == 255) { 1319026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy color |= p->getAlpha() << 24; 1320026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1321026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1322026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy drawColorRect(left, top, right, bottom, color, mode); 1323c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 13249d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1325e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 1326e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy float x, float y, SkPaint* paint) { 1327b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (text == NULL || count == 0) { 1328e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 1329e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1330af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1331e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 1332f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy paint->setAntiAlias(true); 1333e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 1334a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy float length = -1.0f; 1335e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 1336e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 1337e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1338e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 1339e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1340e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 1341e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1342e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 1343e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1344e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 1345e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1346e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1347e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 13486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // TODO: Handle paint->getTextScaleX() 13493a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 13503a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 13516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 13526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 13536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 13546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 13556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 13566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1357b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 1358b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 1359fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 1360e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 136186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 136286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 136386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 13649d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 13651e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 1366b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 1367fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get(paint, text, bytesCount, 13681e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy count, mShadowRadius); 13691e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 13700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 137186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float sx = x - shadow->left + mShadowDx; 137286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float sy = y - shadow->top + mShadowDy; 137386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 137486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 137586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 137686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 137786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 137886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 137986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(mShadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 138086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 138186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 138286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height, pureTranslate); 138386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 138486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 138586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 13860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 13870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 138886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 13891e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 13901e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 1391b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (paint->getAlpha() == 0 && paint->getXfermode() == NULL) { 1392b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy return; 1393b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy } 1394b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy 13956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 13966620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 13976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 13986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 13996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 14005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 140186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 140286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 140386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 140486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 140586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 140686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 140786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 140886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 140986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 141086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 141186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 141286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 141386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 141486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 141506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 14166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 14175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 14185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 14195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 14205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool hasLayer = (mSnapshot->flags & Snapshot::kFlagFboTarget) && mSnapshot->region; 14215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 14225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool hasLayer = false; 14235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 14249d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 142503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 14266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 14275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy hasLayer ? &bounds : NULL)) { 14285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 14295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (hasLayer) { 14306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 14316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 14326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 14335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.intersect(*mSnapshot->clipRect); 14345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds.snapToPixelBoundaries(); 14355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 14365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 14375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region->orSelf(dirty); 14385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 14395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 14405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1441694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1442694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 1443fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 1444a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy 14453a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 1446694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 1447694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 14487fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 1449af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1450dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 14517fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy GLuint textureUnit = 0; 14527fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy glActiveTexture(gTextureUnits[textureUnit]); 14537fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1454fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 14559cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 145622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 14577fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 14588b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 14598b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 14608b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 14618b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 14628b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy return; 14638b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 14648b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 14657fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy int alpha; 14667fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy SkXfermode::Mode mode; 14677fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy getAlphaAndMode(paint, &alpha, &mode); 14687fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1469746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy setupDraw(); 147086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 147186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 147286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 147386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 147486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 147586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 147686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 147786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(texture->id); 147886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 147986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 148086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(); 148186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 14828694230ff25fa0a60e480d424843e56b718f0516Romain Guy 14830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 148486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 148586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 14867fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 14877fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 14886c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::drawLayer(int texture, float left, float top, float right, float bottom, 14896c319ca1275c8db892c39b48fc54864c949f9171Romain Guy float u, float v, SkPaint* paint) { 14906c319ca1275c8db892c39b48fc54864c949f9171Romain Guy if (quickReject(left, top, right, bottom)) { 14916c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 14926c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 14936c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 14946c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glActiveTexture(gTextureUnits[0]); 14956c319ca1275c8db892c39b48fc54864c949f9171Romain Guy if (!texture) return; 14966c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 14976c319ca1275c8db892c39b48fc54864c949f9171Romain Guy mCaches.unbindMeshBuffer(); 14986c319ca1275c8db892c39b48fc54864c949f9171Romain Guy resetDrawTextureTexCoords(0.0f, v, u, 0.0f); 14996c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 15006c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 15016c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 15026c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 15036c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 15046c319ca1275c8db892c39b48fc54864c949f9171Romain Guy // TODO: Should get the blend info from the caller 15056c319ca1275c8db892c39b48fc54864c949f9171Romain Guy drawTextureMesh(left, top, right, bottom, texture, alpha / 255.0f, mode, true, 15066c319ca1275c8db892c39b48fc54864c949f9171Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 15076c319ca1275c8db892c39b48fc54864c949f9171Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 15086c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 15096c319ca1275c8db892c39b48fc54864c949f9171Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 15106c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 15116c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 15126926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 1513d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 1514d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1515d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1516d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 151706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 151806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 151906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 152006f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 152106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 152206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 1523fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 152406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 15257fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 15267fac2e18339f765320d759e8d4c090f92431959eRomain Guy 1527d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1528db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 1529db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 1530db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1531db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 1532db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1533db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1534db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1535db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 1536db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 1537db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1538db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1539db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 15401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 15411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 15421e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 15431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 15441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 15451e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 15461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 15471e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 15481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 15491e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 15501e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 15511e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 15521e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 15531e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 15541e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 15551e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 15566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 15576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 15586926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1559f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 15600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 15610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 15620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 15630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 15650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 15660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 15670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 15680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 15690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 15700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 15710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 15720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy underlineWidth = paint->measureText(text, bytesCount); 15730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 15760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy switch (paint->getTextAlign()) { 15770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 15780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 15790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 15800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 15810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 15820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 15830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 15840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 15850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 15860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 1588e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float textSize = paint->getTextSize(); 1589e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float strokeWidth = textSize * kStdUnderline_Thickness; 15900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1591e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 15920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 1593e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1594e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const int pointsCount = 4 * (flags & SkPaint::kStrikeThruText_Flag ? 2 : 1); 1595e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 1596e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 15970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 15980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 15990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 1600e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 1601e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 1602e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 1603e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 16040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 16050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 16060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 16070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 1608e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 1609e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 1610e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 1611e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 16120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 1613e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1614e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy SkPaint linesPaint(*paint); 1615e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy linesPaint.setStrokeWidth(strokeWidth); 1616e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1617e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy drawLines(&points[0], pointsCount, &linesPaint); 16180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 16190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 16200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 16210a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1622026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 16231c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 1624d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 162506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 1626d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 1627d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 1628d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 162970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 163070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 163170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 163270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 163370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 163470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 163570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 163670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 163770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 163870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 163970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 1640c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 1641c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1642c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 1643c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 164482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 16458164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 164682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 164782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 164882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 164982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 16508164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 16518164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 16526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 16536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 16546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 16556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 16566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 16576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 16586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 16596620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 16606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 16616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 16626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 16636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 166485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 166585bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1666bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 1667a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 1668a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 166903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 1670f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1671f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1672f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 1673a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 16746820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 16755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 16768694230ff25fa0a60e480d424843e56b718f0516Romain Guy 167770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 167870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 167970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 168070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 168170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 168270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 168370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 168470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 1685db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 16865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 168770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 168803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 168970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 1690db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 169186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 169270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 169370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 169470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 1695db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 16966820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 169770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 169870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 169982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 170082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1701a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 1702f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 170382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 170482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 1705a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode < SkXfermode::kPlus_Mode) { 1706a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mCaches.blend) { 1707a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glEnable(GL_BLEND); 1708a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 170982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1710f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 1711f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 171282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1713a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 1714a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glBlendFunc(sourceMode, destMode); 1715a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastSrcMode = sourceMode; 1716a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastDstMode = destMode; 1717a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1718a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1719a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // These blend modes are not supported by OpenGL directly and have 1720a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // to be implemented using shaders. Since the shader will perform 1721a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // the blending, turn blending off here 1722746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (mCaches.extensions.hasFramebufferFetch()) { 1723a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 1724f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 1725a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1726a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 1727a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mCaches.blend) { 1728a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glDisable(GL_BLEND); 1729a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1730a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy blend = false; 173182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 1732fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 173382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 173482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 1735fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 1736bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 1737bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 1738889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 1739d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 1740fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 1741d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 1742fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 17436926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 1744260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 17456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 1746260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 1747260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 1748026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 1749ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 175082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 175182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 175282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 175382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 17548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 17558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 17565c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 17578ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 1758746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1759a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(paint->getXfermode(), mode); 1760a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1761a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1762a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = SkXfermode::kSrcOver_Mode; 1763a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1764a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1765a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = getXfermode(paint->getXfermode()); 17668ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 17678ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 17688ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 17698ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 17708ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 17718ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 17728ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 17738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 17748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 17758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 17768ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 17778ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 17788ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 1779026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 1780026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1781a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 1782a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode == NULL) { 1783a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return SkXfermode::kSrcOver_Mode; 1784a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1785a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return mode->fMode; 1786a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 1787a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 1788746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guyvoid OpenGLRenderer::setTextureWrapModes(Texture* texture, GLenum wrapS, GLenum wrapT) { 17898164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bool bound = false; 17908164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapS != texture->wrapS) { 17918164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 17928164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bound = true; 17938164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapS); 17948164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapS = wrapS; 17958164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 17968164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapT != texture->wrapT) { 17973e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy if (!bound) { 17983e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 17993e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy } 18008164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapT); 18018164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapT = wrapT; 18028164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 1803a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 1804a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 18059d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 1806e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 1807