OpenGLRenderer.cpp revision 5a7b466a2b4b7ced739bd5c31e022de61650545a
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 20342f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 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); 433514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 434514fb18827186591d66973c2362c859b64b63556Romain Guy if (layer->empty) { 435514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bounds.left, 436514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, layer->width, layer->height, 0); 437514fb18827186591d66973c2362c859b64b63556Romain Guy layer->empty = false; 438514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 439514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 440514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 441514fb18827186591d66973c2362c859b64b63556Romain Guy } 442514fb18827186591d66973c2362c859b64b63556Romain Guy // Enqueue the buffer coordinates to clear the corresponding region later 443514fb18827186591d66973c2362c859b64b63556Romain Guy mLayers.push(new Rect(bounds)); 444ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 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 { 568514fb18827186591d66973c2362c859b64b63556Romain Guy if (!rect.isEmpty()) { 569514fb18827186591d66973c2362c859b64b63556Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 570514fb18827186591d66973c2362c859b64b63556Romain Guy composeLayerRect(layer, rect, true); 571514fb18827186591d66973c2362c859b64b63556Romain Guy } 572eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 5731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 574eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 575eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 576eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 577eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 578eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 579eb99356a0548684a501766e6a524529ab93304c8Romain Guy 580eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 581eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 582eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 583eb99356a0548684a501766e6a524529ab93304c8Romain Guy 584746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 585746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 586eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 5878550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 5881d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 5891d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy glDeleteTextures(1, &layer->texture); 5901d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 5911d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5921d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 5931d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 5955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const Rect& texCoords = layer->texCoords; 5965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, texCoords.right, texCoords.bottom); 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureMesh(rect.left, rect.top, rect.right, rect.bottom, layer->texture, 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha / 255.0f, layer->mode, layer->blend, &mMeshVertices[0].position[0], 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy &mMeshVertices[0].texture[0], GL_TRIANGLE_STRIP, gMeshCount, swap, swap); 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 6035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 6065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 6075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 6085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 6095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 6105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 6115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!layer->region.isEmpty()) { 6145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 6155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 6165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float alpha = layer->alpha / 255.0f; 6185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texX = 1.0f / float(layer->width); 6195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texY = 1.0f / float(layer->height); 620f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 6215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 6235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 6245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6257230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 6267230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 6277230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 628ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 6297230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawBlending(layer->blend || layer->alpha < 255, layer->mode, false); 6307230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 6317230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 6327230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 633ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 6347230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawTexture(layer->texture); 635c038ea358aadca082198f3effc550d33135bf426Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 6367230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0]); 6375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 642f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 644f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 6455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 6475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 6505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 6515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 6555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 6565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 6575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 6635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 6667230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 6675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 6695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy uint32_t colors[] = { 6705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 0x7fff0000, 0x7f00ff00, 6715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 0x7f0000ff, 0x7fff00ff, 6725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy }; 6735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int offset = 0; 6755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int32_t top = rects[0].top; 6765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy int i = 0; 6775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 6795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (top != rects[i].top) { 6805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy offset ^= 0x2; 6815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy top = rects[i].top; 6825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 6855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 6865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy SkXfermode::kSrcOver_Mode); 6875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 6915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 6935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 6945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 6955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 6985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 6995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 700f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 7015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 7025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 703f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 7045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 7105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 711f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 7125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 713f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 7141bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 7151bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 7161bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 7171bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 7181bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 7191bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 7201bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 7211bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 7221bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 7231bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 7241bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 7255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7308694230ff25fa0a60e480d424843e56b718f0516Romain Guyvoid OpenGLRenderer::clearLayerRegions() { 731af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mLayers.size() == 0 || mSnapshot->isIgnored()) return; 7328694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clipRect(*mSnapshot->clipRect); 7345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clipRect.snapToPixelBoundaries(); 7355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7368694230ff25fa0a60e480d424843e56b718f0516Romain Guy for (uint32_t i = 0; i < mLayers.size(); i++) { 7378694230ff25fa0a60e480d424843e56b718f0516Romain Guy Rect* bounds = mLayers.itemAt(i); 7385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (clipRect.intersects(*bounds)) { 7395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the framebuffer where the layer will draw 7405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(bounds->left, mSnapshot->height - bounds->bottom, 7415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bounds->getWidth(), bounds->getHeight()); 7425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 7435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 7445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Restore the clip 7465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 7475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7488694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7498694230ff25fa0a60e480d424843e56b718f0516Romain Guy delete bounds; 7508694230ff25fa0a60e480d424843e56b718f0516Romain Guy } 7518694230ff25fa0a60e480d424843e56b718f0516Romain Guy 7525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mLayers.clear(); 7538694230ff25fa0a60e480d424843e56b718f0516Romain Guy} 7548694230ff25fa0a60e480d424843e56b718f0516Romain Guy 755bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 756f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 757f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 758f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 759f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 7608aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 761f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 762f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 763f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 7648aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 765f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 766f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 767f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 7688aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 769f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 770f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 771807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 772807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 773807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 774807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 775f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 7768aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->load(*matrix); 777f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 778f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 77941030da16856c8869e1e51d4a0405432fa96614eRomain Guyconst float* OpenGLRenderer::getMatrix() const { 78099bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy if (mSnapshot->fbo != 0) { 78199bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mSnapshot->transform->data[0]; 78299bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy } 78399bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mIdentity.data[0]; 78441030da16856c8869e1e51d4a0405432fa96614eRomain Guy} 78541030da16856c8869e1e51d4a0405432fa96614eRomain Guy 786f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 7878aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 788f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 789f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 790f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 791e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 792e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 793e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 794e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 795f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 796f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 797f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 798f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 799f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 800f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 801bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 802e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 803e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 804eb99356a0548684a501766e6a524529ab93304c8Romain Guy glScissor(clip.left, mSnapshot->height - clip.bottom, clip.getWidth(), clip.getHeight()); 805746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 8069d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 8079d5316e3f56d138504565ff311145ac01621dff4Romain Guy 8089d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 809079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 810bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 811bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 812c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 813af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 814dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 815dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 816dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 8171d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 8188aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 819d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 820d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 821d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 822d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 823d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 824d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 825c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 826c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 827079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 828079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 8297ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 830746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 8317ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 8328aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 833e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 834e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 835f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 83670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 83770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 83870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 83970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDraw() { 84070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy clearLayerRegions(); 84170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 84270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 84370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 84470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 84570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 84670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 84770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 84870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 84970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 8508d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mTexCoordsSlot = -1; 85170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 85270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 85370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 85470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 85570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 85670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 85770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 85870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 8598d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 8608d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 8618d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 8628d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 8638d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 86470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 865fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 866fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 867fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 86870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 86970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 87070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 87170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 87286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 87386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 87486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 87586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 87686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 87786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 87886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 87986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 88086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 88186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 88270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 88370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 88470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 88570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 88670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 88770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 88870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 88970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 89070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 89186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 89286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 89386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 89486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 89586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 89686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 89786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 89886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 89986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 90070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 90170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 90270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 90370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 90470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 90570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 90670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 90770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 90870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 90970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 91070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 91170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 91270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 91370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 91470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 91570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 91670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 91770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 91870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 91970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 92070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 92170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 92270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 92370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 92470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 92570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 92670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 92770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 92870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 92970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 93070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 93170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 93270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 93370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 93470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 93570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 93670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 93770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 93870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 93970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 94070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 94170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 9428d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawModelViewIdentity() { 9438d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform); 9448d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 9458d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 94670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 94770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 94870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 94970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 95070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 95170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 95270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 95370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 95486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 95586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 95686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 95786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 95886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 95986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 96086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 96186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 96286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 96386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 96470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 96570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 96670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 9675536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 96870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 96970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 97070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 97170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 97286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 9735536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 97486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 9755536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 9765536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 9775536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 97870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 97970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 98070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 98170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 98270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 98370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 98470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 98570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 98670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 9878d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 9888d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 9898d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 9908d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 9918d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 9928d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 99370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 99470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 99570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 99670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 99770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 99870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 99970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 100070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(); 100170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 100270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, 0); 100370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 100470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 100670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 100770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 100870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 101070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 101170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 101270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 101370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 101470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 101570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 101670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 101770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.unbindMeshBuffer(); 101870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 101970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 102070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, vertices); 10218d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mTexCoordsSlot > 0) { 10228d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy glVertexAttribPointer(mTexCoordsSlot, 2, GL_FLOAT, GL_FALSE, gMeshStride, texCoords); 10238d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 102470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 102570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 102670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 102770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glDisableVertexAttribArray(mTexCoordsSlot); 102870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 102970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 103070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1031f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1032f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1033f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 1034ffac7fc5042296a459d0f5a450dbfe20917093dcRomain Guyvoid OpenGLRenderer::drawDisplayList(DisplayList* displayList, uint32_t level) { 10350fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 10360fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 10370fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy if (displayList) { 1038ffac7fc5042296a459d0f5a450dbfe20917093dcRomain Guy displayList->replay(*this, level); 10390fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 10400fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 10410fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 10425c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 10436926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 10446926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 10456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 10466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 10476926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10486926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10496926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 105086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 10518164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10529cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 105322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 105422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 10556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy drawTextureRect(left, top, right, bottom, texture, paint); 10568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 10578ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 10585c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1059f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1060f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1061f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1062f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 10636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 10646926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 10656926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 10666926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 106786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 10688164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10699cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 107022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 107122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 10725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 10735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 10745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 10755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 10765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 10775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1078f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1079f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 10805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 10815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 10825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 10835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 10845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 10855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 10865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 10875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy glActiveTexture(gTextureUnits[0]); 10885a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 10895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 10905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 10915a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 10925a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 10935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 10945a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 10955a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 10965a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 10975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Support the colors array 10985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 10995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex mesh[count]; 11005a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 11015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 11025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 11035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 11045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 11055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 11065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 11075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 11085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 11095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 11105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 11115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 11125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 11135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 11145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 11155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 11165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 11175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 11185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 11195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 11205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 11215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 11225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 11235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 11245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 11255a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 11265a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 11275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 11285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 11295a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 11305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 11315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 11325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy GL_TRIANGLES, count); 11335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 11345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 11358ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 11368ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 11378ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 11385c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 11396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 11406926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 11416926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 11426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1143746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 11448164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 11459cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 114622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 11478164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 11488ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 11498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 11508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1151c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 11528ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u1 = srcLeft / width; 11538ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v1 = srcTop / height; 11548ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u2 = srcRight / width; 11558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v2 = srcBottom / height; 1156c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 115703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 11588ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 11598ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 116003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 116103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 116203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 116303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 11646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 11656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 11666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 11676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 11686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 11696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 11706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 11716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 11726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 11736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 11746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 11756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 11766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 11778ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 11788ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1179ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1180ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 11814aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 11824bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 11835c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 11846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 11856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 11866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 11876926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1188746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 11898164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 11909cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 119122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 11928164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1193f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1194f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1195f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1196f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1197f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 11982728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 11994bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1200f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1201a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy if (mesh && mesh->verticesCount > 0) { 12026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1203a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 12045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 12055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if ((mSnapshot->flags & Snapshot::kFlagFboTarget) && 12065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mSnapshot->region && mesh->hasEmptyQuads) { 12075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 12085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 12098ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 12106620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 12116620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(bounds.left + 0.5f); 12126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(bounds.top + 0.5f); 12138ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight(), 12146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy *mSnapshot->transform); 12156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 12166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy dirtyLayer(bounds.left, bounds.top, bounds.right, bounds.bottom, 12176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy *mSnapshot->transform); 12186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 12195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 12205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1221a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 12225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 12236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 12246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 12256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 12266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 12276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 12286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 12296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 12306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 12316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 12326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 12336620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 12346620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 12356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 12366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1237054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1238f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1239f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 12405c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 1241af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1242dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1243a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool isAA = paint->isAntiAlias(); 1244a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const float strokeWidth = paint->getStrokeWidth() * 0.5f; 1245a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // A stroke width of 0 has a special meaningin Skia: 1246a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // it draws an unscaled 1px wide line 1247a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 1248a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1249759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy int alpha; 1250759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy SkXfermode::Mode mode; 1251759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1252759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1253a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy int verticesCount = count >> 2; 12547230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy int generatedVerticesCount = 0; 1255a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!isHairLine) { 1256a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: AA needs more vertices 1257a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy verticesCount *= 6; 1258a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } else { 1259a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: AA will be different 1260a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy verticesCount *= 2; 1261a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1262759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1263a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex lines[verticesCount]; 1264a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex* vertex = &lines[0]; 1265759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 12668d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDraw(); 12678d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(paint->getColor(), alpha); 12688d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorFilter(); 12698d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawShader(); 12708d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawBlending(mode); 12718d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawProgram(); 12728d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawModelViewIdentity(); 12738d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorUniforms(); 12748d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorFilterUniforms(); 12758d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawShaderIdentityUniforms(); 12768d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawMesh(vertex); 1277759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1278a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!isHairLine) { 1279a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Handle the AA case 1280a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy for (int i = 0; i < count; i += 4) { 1281a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // a = start point, b = end point 1282a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 a(points[i], points[i + 1]); 1283a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 b(points[i + 2], points[i + 3]); 1284a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1285a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Bias to snap to the same pixels as Skia 1286a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy a += 0.375; 1287a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy b += 0.375; 1288a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1289a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Find the normal to the line 1290a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 n = (b - a).copyNormalized() * strokeWidth; 1291a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy float x = n.x; 1292a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy n.x = -n.y; 1293a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy n.y = x; 1294a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1295a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Four corners of the rectangle defining a thick line 1296a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p1 = a - n; 1297a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p2 = a + n; 1298a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p3 = b + n; 1299a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p4 = b - n; 1300a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 13017230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 13027230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 13037230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 13047230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 13057230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 13067230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy if (!quickReject(left, top, right, bottom)) { 13077230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // Draw the line as 2 triangles, could be optimized 13087230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // by using only 4 vertices and the correct indices 13097230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // Also we should probably used non textured vertices 13107230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // when line AA is disabled to save on bandwidth 13117230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p1.x, p1.y, 0.0f, 0.0f); 13127230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p2.x, p2.y, 0.0f, 0.0f); 13137230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p3.x, p3.y, 0.0f, 0.0f); 13147230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p1.x, p1.y, 0.0f, 0.0f); 13157230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p3.x, p3.y, 0.0f, 0.0f); 13167230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p4.x, p4.y, 0.0f, 0.0f); 13177230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 13187230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy generatedVerticesCount += 6; 13197230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 13207230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 13217230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy } 1322a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1323a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 13247230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy if (generatedVerticesCount > 0) { 13257230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // GL_LINE does not give the result we want to match Skia 13267230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy glDrawArrays(GL_TRIANGLES, 0, generatedVerticesCount); 13277230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy } 1328a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } else { 1329a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Handle the AA case 1330a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy for (int i = 0; i < count; i += 4) { 13317230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float left = fmin(points[i], points[i + 1]); 13327230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float right = fmax(points[i], points[i + 1]); 13337230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float top = fmin(points[i + 2], points[i + 3]); 13347230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float bottom = fmax(points[i + 2], points[i + 3]); 13357230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 13367230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy if (!quickReject(left, top, right, bottom)) { 13377230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 13387230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, points[i + 2], points[i + 3], 0.0f, 0.0f); 13397230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 13407230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy generatedVerticesCount += 2; 13417230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 13427230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 13437230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy } 1344a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 13458d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 13467230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy if (generatedVerticesCount > 0) { 13477230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy glLineWidth(1.0f); 13487230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy glDrawArrays(GL_LINES, 0, generatedVerticesCount); 13497230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy } 135029d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy } 1351759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy} 1352759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 135385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 1354e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 1355af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1356e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 1357ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 1358ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 135970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 13603d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 1361c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 13629d5316e3f56d138504565ff311145ac01621dff4Romain Guy 136301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 136401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float rx, float ry, SkPaint* paint) { 136501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 136601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 136701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 136801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 136901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 137001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy right - left, bottom - top, rx, ry, paint); 137101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 137201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 137301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 137401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 137501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 137601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 137701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 137801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 137901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 138001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 138101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 138201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 138301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 138401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 138501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 138601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 138701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 138801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 138901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float left = (x - radius) + texture->left - texture->offset; 139001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float top = (y - radius) + texture->top - texture->offset; 139101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 139201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, left, top, paint); 139301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 139401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 13955c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 13966926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 13976926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13986926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13996926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1400026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 1401746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1402a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 1403a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1404a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1405a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 1406a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1407a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1408a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 1409026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1410026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1411026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Skia draws using the color's alpha channel if < 255 1412026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy // Otherwise, it uses the paint's alpha 1413026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 1414d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (((color >> 24) & 0xff) == 255) { 1415026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy color |= p->getAlpha() << 24; 1416026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1417026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1418026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy drawColorRect(left, top, right, bottom, color, mode); 1419c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 14209d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1421e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 1422e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy float x, float y, SkPaint* paint) { 1423b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (text == NULL || count == 0) { 1424e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 1425e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1426af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1427e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 1428f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy paint->setAntiAlias(true); 1429e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 1430a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy float length = -1.0f; 1431e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 1432e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 1433e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1434e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 1435e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1436e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 1437e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1438e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 1439e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1440e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 1441e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1442e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1443e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 14446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // TODO: Handle paint->getTextScaleX() 14453a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 14463a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 14476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 14486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 14496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 14506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 14516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 14526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1453b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 1454b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 1455fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 1456e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 145786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 145886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 145986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 14609d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 14611e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 1462b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 1463fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get(paint, text, bytesCount, 14641e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy count, mShadowRadius); 14651e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 14660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 146786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float sx = x - shadow->left + mShadowDx; 146886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float sy = y - shadow->top + mShadowDy; 146986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 147086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 147186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 147286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 147386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 147486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 147586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(mShadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 147686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 147786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 147886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height, pureTranslate); 147986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 148086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 148186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 14820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 14830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 148486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 14851e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 14861e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 1487b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (paint->getAlpha() == 0 && paint->getXfermode() == NULL) { 1488b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy return; 1489b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy } 1490b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy 14916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 14926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 14936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 14946620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 14956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 14965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 149786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 149886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 149986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 150086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 150186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 150286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 150386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 150486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 150586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 150686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 150786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 150886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 150986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 151086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 151106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 15126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 15135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 15145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 15155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 1516f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = hasLayer(); 15175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 1518f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = false; 15195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 15209d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 152103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 15226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 1523f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 15245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 1525f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 15266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 15276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 15286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1529f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 15305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 15315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 15325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1533694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1534694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 1535fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 1536a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy 15373a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 1538694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 1539694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 15407fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 1541af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1542dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 154301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 15447fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1545fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 15469cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 154722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 15487fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 15498b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 15508b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 15518b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 155201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 15537fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 15547fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1555ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 1556ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 15576c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 15586c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 15596c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 15606c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glActiveTexture(gTextureUnits[0]); 15616c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 15626c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 15636c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 15646c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 15656c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1566ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->alpha = alpha; 1567ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->mode = mode; 15686c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1569f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1570f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 1571f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (layer->region.isRect()) { 1572f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 1573f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy composeLayerRect(layer, r); 1574f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } else if (!layer->region.isEmpty() && layer->mesh) { 1575f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const Rect& rect = layer->layer; 1576f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1577f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy setupDraw(); 1578f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy setupDrawWithTexture(); 1579f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 1580f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy setupDrawColorFilter(); 1581f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy setupDrawBlending(layer->blend || layer->alpha < 255, layer->mode, false); 1582f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy setupDrawProgram(); 1583f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy setupDrawDirtyRegionsDisabled(); 1584f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy setupDrawPureColorUniforms(); 1585f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy setupDrawColorFilterUniforms(); 1586f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy setupDrawTexture(layer->texture); 1587f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 1588f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 1589f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1590f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 1591f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 1592f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy 1593f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy finishDrawTexture(); 1594f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1595f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 1596ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 1597ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 1598f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 15996c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 16006c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 16016926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 1602d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 1603d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1604d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1605d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 160606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 160706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 160806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 160906f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 161006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 161106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 1612fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 161306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 16147fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 16157fac2e18339f765320d759e8d4c090f92431959eRomain Guy 1616d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1617db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 1618db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 1619db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1620db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 1621db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1622db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1623db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1624db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 1625db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 1626db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1627db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1628db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 16291e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 16301e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 16311e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 16321e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 16331e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 16341e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 16351e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 16361e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 16371e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 16381e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 16391e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 16401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 16411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 16421e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 16431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 16441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 16456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 16466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 16476926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 164801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 164901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 165001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 165101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 165201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 165301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 165401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 165501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 165601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 165701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 165801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 165901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 166001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 166101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 166201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 166301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 166401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 166501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 166601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 166701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 166801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 166901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 167001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 167101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 167201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 167301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 167401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 167501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 167601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1677f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 16780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 16790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 16800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 16810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 16820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 16830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 16840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 16850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 16860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 16870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 16880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 16890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 16900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy underlineWidth = paint->measureText(text, bytesCount); 16910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 16920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 16930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 16940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy switch (paint->getTextAlign()) { 16950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 16960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 16970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 16980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 16990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 17000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 17010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 17020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 17030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 17040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 17050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 1706e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float textSize = paint->getTextSize(); 1707e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float strokeWidth = textSize * kStdUnderline_Thickness; 17080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1709e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 17100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 1711e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1712e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const int pointsCount = 4 * (flags & SkPaint::kStrikeThruText_Flag ? 2 : 1); 1713e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 1714e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 17150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 17160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 17170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 1718e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 1719e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 1720e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 1721e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 17220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 17230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 17240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 17250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 1726e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 1727e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 1728e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 1729e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 17300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 1731e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1732e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy SkPaint linesPaint(*paint); 1733e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy linesPaint.setStrokeWidth(strokeWidth); 1734e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1735e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy drawLines(&points[0], pointsCount, &linesPaint); 17360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 17370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 17380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 17390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1740026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 17411c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 1742d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 174306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 1744d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 1745d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 1746d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 174770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 174870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 174970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 175070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 175170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 175270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 175370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 175470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 175570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 175670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 175770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 1758c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 1759c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1760c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 1761c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 176282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 17638164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 176482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 176582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 176682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 176782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 17688164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 17698164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 17706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 17716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 17726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 17736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 17746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 17756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 17766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 17776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 17786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 17796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 17806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 17816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 178285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 178385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1784bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 1785a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 1786a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 178703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 1788f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1789f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1790f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 1791a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 17926820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 17935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 17948694230ff25fa0a60e480d424843e56b718f0516Romain Guy 179570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 179670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 179770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 179870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 179970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 180070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 180170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 180270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 1803db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 18045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 180570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 180603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 180770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 1808db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 180986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 181070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 181170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 181270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 1813db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 18146820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 181570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 181670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 181782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 181882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1819a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 1820f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 182182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 182282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 1823a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode < SkXfermode::kPlus_Mode) { 1824a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mCaches.blend) { 1825a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glEnable(GL_BLEND); 1826a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 182782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1828f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 1829f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 183082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 1831a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 1832a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glBlendFunc(sourceMode, destMode); 1833a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastSrcMode = sourceMode; 1834a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastDstMode = destMode; 1835a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1836a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1837a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // These blend modes are not supported by OpenGL directly and have 1838a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // to be implemented using shaders. Since the shader will perform 1839a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // the blending, turn blending off here 1840746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (mCaches.extensions.hasFramebufferFetch()) { 1841a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 1842f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 1843a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1844a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 1845a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mCaches.blend) { 1846a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glDisable(GL_BLEND); 1847a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1848a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy blend = false; 184982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 1850fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 185182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 185282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 1853fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 1854bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 1855bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 1856889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 1857d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 1858fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 1859d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 1860fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 18616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 1862260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 18636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 1864260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 1865260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 1866026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 1867ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 186882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 186982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 187082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 187182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 18728ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 18738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 18745c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 18758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 1876746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1877a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(paint->getXfermode(), mode); 1878a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1879a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1880a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = SkXfermode::kSrcOver_Mode; 1881a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1882a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1883a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = getXfermode(paint->getXfermode()); 18848ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 18858ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 18868ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 18878ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 18888ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 18898ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 18908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 18918ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 18928ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 18938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 18948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 18958ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 18968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 1897026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 1898026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1899a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 1900a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode == NULL) { 1901a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return SkXfermode::kSrcOver_Mode; 1902a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1903a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return mode->fMode; 1904a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 1905a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 1906746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guyvoid OpenGLRenderer::setTextureWrapModes(Texture* texture, GLenum wrapS, GLenum wrapT) { 19078164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bool bound = false; 19088164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapS != texture->wrapS) { 19098164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 19108164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bound = true; 19118164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapS); 19128164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapS = wrapS; 19138164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 19148164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapT != texture->wrapT) { 19153e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy if (!bound) { 19163e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 19173e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy } 19188164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapT); 19198164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapT = wrapT; 19208164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 1921a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 1922a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 19239d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 1924e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 1925