OpenGLRenderer.cpp revision aa6c24c21c727a196451332448d4e3b11a80be69
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 24694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 255cbbce535744b89df5ecea95de21ee3733298260Romain Guy 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 27e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 340fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 35a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 36e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 37e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 389d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 399d5316e3f56d138504565ff311145ac01621dff4Romain Guy 409d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy 44759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 45759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 46759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 47dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy// TODO: This should be set in properties 48dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy#define ALPHA_THRESHOLD (0x7f / PANEL_BIT_DEPTH) 49dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 509d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 519d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 529d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy 54889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 55889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 56889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 63026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 64026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 65026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 66b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ZERO }, 67b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 68b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 69b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 70b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 71b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 72b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 73b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 74b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 75b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 76b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 77b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA } 78026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 79e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 83f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 84b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ZERO }, 85b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 86b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 87b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 88b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 89b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 90b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 91b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 92b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 93b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 94b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 95b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA } 96f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 97f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 98889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystatic const GLenum gTextureUnits[] = { 99b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE0, 100b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE1, 101b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE2 102d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy}; 103d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 104f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 105f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 106f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 108fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 10906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 110db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 112026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 113ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 114ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 115ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 116e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 117e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 11885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 11929d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12029d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 121e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 122e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 123f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 124f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 125f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 126f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 12785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 12808ae317c21ec3086b5017672bba87420cc38a407Romain Guy glViewport(0, 0, width, height); 129260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 130bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 131bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 132bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 133eb99356a0548684a501766e6a524529ab93304c8Romain Guy 134eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 135eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 136746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 137746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 138e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 139e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1406b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guyvoid OpenGLRenderer::prepare(bool opaque) { 1417d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1427d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1437d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1447d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guyvoid OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 145fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 146fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1478aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1488aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 14984962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 15084962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy 1518fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 152f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 153fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glViewport(0, 0, mWidth, mHeight); 154fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy 155d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy glDisable(GL_DITHER); 156bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1577d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy glEnable(GL_SCISSOR_TEST); 1587d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy glScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 1597d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 1607d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1616b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 1626b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 1636b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 1646b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 165bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 166bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 167b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 168b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 169b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 170b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 171b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy LOGD("GL error from OpenGLRenderer: 0x%x", status); 172a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 173a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 174a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy LOGE(" OpenGLRenderer is out of memory!"); 175a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 176a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 177b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 178b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 179c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 180c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 181e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 182e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 183e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 184e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 185c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 186b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 187b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 1886c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 189da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 190da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 191da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 192da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 193da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 194da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 19550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 196da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 197da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 1986c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 199eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(0, 0, mSnapshot->viewport.getWidth(), mSnapshot->viewport.getHeight()); 200da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 201da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 202746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 203da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 204f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glDisable(GL_DITHER); 205f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 20642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 20703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 20850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 20950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 21050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 21150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 21250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 213da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 214da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 215cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guybool OpenGLRenderer::callDrawGLFunction(Functor *functor, Rect& dirty) { 216daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 217f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 218f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 219f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 220d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 22180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 22280911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 22380911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 224d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 225d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 226d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 227d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 228d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 229d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 230d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 231d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 23208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 23308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 23408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 23508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 23608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 23708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 23808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 23980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 24008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy status_t result = (*functor)(0, &info); 241cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 242cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy if (result != 0) { 24308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 244cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 245cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 246cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 247daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 248cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return result != 0; 249daf98e941e140e8739458126640183b9f296a2abChet Haase} 250daf98e941e140e8739458126640183b9f296a2abChet Haase 251f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 252f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 253f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 254f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 255bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 2567ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 257bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 258bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 259bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 2608aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 261bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 262bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 263bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 2642542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 2652542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2667ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 267bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 268bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 269bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 2708fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 271bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2728fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 2732542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2747ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 275bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 276bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2778aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 2788aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 2798fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 280bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 281bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 282bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 2837ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 284bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 285eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 286bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 287bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 2887ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 289bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 290eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 291eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 292eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 293eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 294eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 295eb99356a0548684a501766e6a524529ab93304c8Romain Guy 2968b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 2978b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 2988b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 2992542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 300746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 3018fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 3022542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 3035ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 3045ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 3055ec9924d24495822b589f1a17996655d66273b30Romain Guy } 3065ec9924d24495822b589f1a17996655d66273b30Romain Guy 3072542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 308d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 3095cbbce535744b89df5ecea95de21ee3733298260Romain Guy 310f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 311bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 312bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 313bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 314bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 3155c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 316eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 317eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 318d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 319af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 320e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 321e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 322e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 323e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 324e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 325e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 326e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 327e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 328e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 329e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 330e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 331e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 332e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 333a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 334a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 335e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 336d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 337d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 338dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 339dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 340d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 341d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 342bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 343bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 344bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 345bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 3465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 3478aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 3488b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 3498aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 3508aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 3518aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 3528b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 353d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 354bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 3561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 3571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 3581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 3591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 3601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 3611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 3621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 3641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 3651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 3661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 3671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 3681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 3691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 3701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 3726b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 3736b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 3746b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 3756b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 3761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 3781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 3791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 38087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 3811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 3821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 3831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 3851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 3861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 3871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 3881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 3891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 3911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 3921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 3931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 3941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 3951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 3961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 3981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 3991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 40087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 40187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 40287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 40387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 40487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 4051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 406d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 407eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 408eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 409eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 410fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 411dda570201ac851dd85af3861f7e575721d3345daRomain Guy 412eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 413eb99356a0548684a501766e6a524529ab93304c8Romain Guy 414f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 4158aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 4167b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 417eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 418ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 419eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 420ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 421ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 422ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 423ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 424ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 425ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 426ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 427ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 428ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 429ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 430ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 431ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 432ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 433eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 434bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 435746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 436746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 43732963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 438dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 439e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 440dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 441dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 442dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 443af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 444b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 445b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 446dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glActiveTexture(gTextureUnits[0]); 4488550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 449f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 450f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 451bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 452bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 453dda570201ac851dd85af3861f7e575721d3345daRomain Guy layer->mode = mode; 454f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy layer->alpha = alpha; 4558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 4568550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->height), 4578550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy bounds.getWidth() / float(layer->width), 0.0f); 458171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy layer->colorFilter = mColorFilter; 459dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4608fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 4618fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 462dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 4631d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 464eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 4655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 466eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 467eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 468eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 469514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 470514fb18827186591d66973c2362c859b64b63556Romain Guy if (layer->empty) { 471514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bounds.left, 472514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, layer->width, layer->height, 0); 473514fb18827186591d66973c2362c859b64b63556Romain Guy layer->empty = false; 474514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 475514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 476514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 477514fb18827186591d66973c2362c859b64b63556Romain Guy } 4787b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 4797b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy // Clear the framebuffer where the layer will draw 4807b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy glScissor(bounds.left, mSnapshot->height - bounds.bottom, 4817b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy bounds.getWidth(), bounds.getHeight()); 4827b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 4837b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy glClear(GL_COLOR_BUFFER_BIT); 4847b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 4857b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy dirtyClip(); 486ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 487eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 488f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 489d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 490bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 491bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 4935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 4945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->fbo = mCaches.fboCache.get(); 4955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 4975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 4985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 4995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 5025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 5035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 5045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 5065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 5085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 5095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 5115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 5135ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 5145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 5165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->fbo = layer->fbo; 5175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 5185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 5195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 5205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 5215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 5225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 5235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 5255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->fbo); 5265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 5275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 5295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->empty) { 5305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->empty = false; 5315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->width, layer->height, 0, 5325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GL_RGBA, GL_UNSIGNED_BYTE, NULL); 5335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 5365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->texture, 0); 5375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 5395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 5405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 5415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy LOGE("Framebuffer incomplete (GL error code 0x%x)", status); 5425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 5445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDeleteTextures(1, &layer->texture); 5455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mCaches.fboCache.put(layer->fbo); 5465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 5485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 5505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 5545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 5575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 5585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 5605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 5625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 5635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 5645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 5665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 5701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 5711d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 5721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 5731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LOGE("Attempting to compose a layer that does not exist"); 5741d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 5751d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 578eb99356a0548684a501766e6a524529ab93304c8Romain Guy 579eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 580eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 581eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 582eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 583eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5841d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 5851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 5861d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 587eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (!fboLayer && layer->alpha < 255) { 588f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 5891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy layer->alpha << 24, SkXfermode::kDstIn_Mode, true); 5905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 5915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha = 255; 592f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 593f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 59403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 5958b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 596746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 600eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 602171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy if (layer->colorFilter) { 603171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy setupColorFilter(layer->colorFilter); 604171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 606171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy if (layer->colorFilter) { 607171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 608171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 609eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 610514fb18827186591d66973c2362c859b64b63556Romain Guy if (!rect.isEmpty()) { 611514fb18827186591d66973c2362c859b64b63556Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 612514fb18827186591d66973c2362c859b64b63556Romain Guy composeLayerRect(layer, rect, true); 613514fb18827186591d66973c2362c859b64b63556Romain Guy } 614eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 6151d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 616eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 617eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 618eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 619eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 620eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 621eb99356a0548684a501766e6a524529ab93304c8Romain Guy 622eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 623eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 624eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 625eb99356a0548684a501766e6a524529ab93304c8Romain Guy 626746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 627746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 628eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 6298550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 6301d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 6311d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy glDeleteTextures(1, &layer->texture); 6321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 6331d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 6351d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 636aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 637aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy float alpha = layer->alpha / 255.0f; 638aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 639aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 640aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawWithExternalTexture(); 641aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 642aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 643aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawBlending(layer->blend, layer->mode); 644aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 645aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 646aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 647aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 648aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawExternalTexture(layer->texture); 649aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawTextureTransform(layer->texTransform); 650aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 651aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 652aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 653aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 654aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 655aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 656aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 6575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 658aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (!layer->isTextureLayer) { 659aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 660aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 661aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 663aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureMesh(rect.left, rect.top, rect.right, rect.bottom, layer->texture, 664aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->alpha / 255.0f, layer->mode, layer->blend, &mMeshVertices[0].position[0], 665aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy &mMeshVertices[0].texture[0], GL_TRIANGLE_STRIP, gMeshCount, swap, swap); 6665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 667aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 668aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 669aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 670aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 671aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 672aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 6735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 6765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 6775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 6789fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 6799fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 68040667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 6819fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 6825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 6835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 6845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!layer->region.isEmpty()) { 6875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 6885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 6895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float alpha = layer->alpha / 255.0f; 6915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texX = 1.0f / float(layer->width); 6925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texY = 1.0f / float(layer->height); 693f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 6945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 6965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 6975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6987230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 6997230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 7007230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 701ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 7027230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawBlending(layer->blend || layer->alpha < 255, layer->mode, false); 7037230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 7047230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 7057230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 706ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 7077230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawTexture(layer->texture); 708c038ea358aadca082198f3effc550d33135bf426Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 7097230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0]); 7105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 7125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 7135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 715f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 7165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 717f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 7185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 7205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 7215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 7225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 7235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 7245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 7265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 7285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 7305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 7315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 7355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 7397230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 7405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 7423a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 7435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 7465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 7485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 7495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7523a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 7533a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 7543a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 7553a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 7563a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7573a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 7583a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 7593a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 7603a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 7613a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7623a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 7633a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 7643a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7653a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 7663a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 7673a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 7683a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 7693a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 7703a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7713a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 7723a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 7733a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 7743a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 7753a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 7763a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 7773a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 7805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 781f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 7825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 7835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 784f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 7855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 7915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 792f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 7935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 794f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 7951bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 7961bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 7971bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 7981bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 7991bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 8001bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 8011bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 8021bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 8031bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 8041bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 8051bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 8065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 811bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 812f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 813f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 814f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 815f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 8168aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 817f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 818f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 819f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 8208aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 821f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 822f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 823f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 8248aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 825f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 826f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 827807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 828807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 829807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 830807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 831f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 8328aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->load(*matrix); 833f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 834f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 83541030da16856c8869e1e51d4a0405432fa96614eRomain Guyconst float* OpenGLRenderer::getMatrix() const { 83699bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy if (mSnapshot->fbo != 0) { 83799bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mSnapshot->transform->data[0]; 83899bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy } 83999bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mIdentity.data[0]; 84041030da16856c8869e1e51d4a0405432fa96614eRomain Guy} 84141030da16856c8869e1e51d4a0405432fa96614eRomain Guy 842f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 8438aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 844f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 845f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 846f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 847e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 848e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 849e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 850e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 851f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 852f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 853f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 854f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 855f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 856f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 857bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 858e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 859e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 860eb99356a0548684a501766e6a524529ab93304c8Romain Guy glScissor(clip.left, mSnapshot->height - clip.bottom, clip.getWidth(), clip.getHeight()); 861746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 8629d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 8639d5316e3f56d138504565ff311145ac01621dff4Romain Guy 8649d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 865079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 866bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 867bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 868c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 869af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 870dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 871dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 872dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 8731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 8748aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 875d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 876d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 877d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 878d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 879d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 880d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 881c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 882c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 883079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 884079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 8857ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 886746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 8877ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 8888aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 889e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 890e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 891f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 89270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 89370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 89470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 89570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDraw() { 89670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 89770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 89870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 89970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 90070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 90170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 90270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 90370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 90470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 9058d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mTexCoordsSlot = -1; 90670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 90770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 90870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 90970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 91070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 91170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 91270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 913aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 914aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 915aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 916aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 9185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase mDescription.hasWidth = true; 9195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 9205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 921ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 922ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 923ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 924ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 925ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 92670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 9278d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 9288d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 9298d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 9308d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 9318d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 9326cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 9336cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 93470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 935fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 936fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 937fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 93870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 93970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 94070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 94170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 94286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 94386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 9446cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 9456cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 94686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 94786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 94886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 94986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 95086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 95186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 95286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 95386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 95470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 95570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 95670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 95770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 95870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 95970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 96070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 96170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 96270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 96386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 96486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 96586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 96686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 96786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 96886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 96986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 97086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 97186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 97270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 97370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 97470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 97570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 97670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 97770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 97870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 97970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 98070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 98170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 98270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 98370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 98470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 98570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 98670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 98770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 98870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 98970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 99070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 99170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 99270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 99370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 99470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 99570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 99670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 99770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 99870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 99970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 100070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 100170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 100370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 100470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 100570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 100670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 100770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 100870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 100970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 101070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 101170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 101270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 101370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 10148d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawModelViewIdentity() { 10158d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform); 10168d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 10178d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 101870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 101970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 102070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 102170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 102270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 102370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 102470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 102570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 102686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 102786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 102886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 102986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 103086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 103186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 103286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 103386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 103486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 103586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 103670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 103770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1038ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1039ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1040ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1041ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1042ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 104370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 10445536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 104570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 104670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 104770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 104870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 104986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 10505536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 105186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 10525536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 10535536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 10545536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 105570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 105670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 105770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 105870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 105970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 106070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 106170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 106270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 106370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 10648d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 10658d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 10668d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 10678d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 10688d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 10698d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 107070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 107170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 107270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 107370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 107470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 107570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 107670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 107770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(); 107870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 107970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, 0); 108070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 108170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 108270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 108370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 108470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 108570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 108670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 108770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 108870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 108970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1090aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1091aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 1092aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 1093aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1094aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 1095aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 1096aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1097aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1098aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawTextureTransform(mat4& transform) { 1099aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1100aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1101aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1102aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 110370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 110470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 110570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 110670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 110770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.unbindMeshBuffer(); 110870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 110970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 111070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, vertices); 1111cf28957c89127ccfc82d535903c776124665446aDavid Li if (mTexCoordsSlot >= 0) { 11128d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy glVertexAttribPointer(mTexCoordsSlot, 2, GL_FLOAT, GL_FALSE, gMeshStride, texCoords); 11138d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 111470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 111570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 11165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 11175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase mCaches.unbindMeshBuffer(); 11185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 11195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase gVertexStride, vertices); 11205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 11225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 11235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 11245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the width of the 11255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * core line primitive ("width") and the width of the fading boundary ("boundaryWidth"). The 11265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * "vtxDistance" attribute (one per vertex) is a value from zero to one that tells the fragment 11275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * shader where the fragment is in relation to the line width overall; this value is then used 11285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * to compute the proper color, based on whether the fragment lies in the fading AA region of 11295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * the line. 11305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 11315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* distanceCoords, float strokeWidth) { 11325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase mCaches.unbindMeshBuffer(); 11335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 11345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase gAlphaVertexStride, vertices); 11355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int distanceSlot = mCaches.currentProgram->getAttrib("vtxDistance"); 11365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glEnableVertexAttribArray(distanceSlot); 11375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glVertexAttribPointer(distanceSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, distanceCoords); 11385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int widthSlot = mCaches.currentProgram->getUniform("width"); 11395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 11405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 11415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float boundaryWidth = (1 - strokeWidth) / 2; 11425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glUniform1f(widthSlot, strokeWidth); 11435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidth); 11445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidth)); 11455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 114770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 114870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glDisableVertexAttribArray(mTexCoordsSlot); 114970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 115070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 115170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1152f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1153f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1154f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 11557b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guybool OpenGLRenderer::drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, 11567b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy Rect& dirty, uint32_t level) { 11577b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (quickReject(0.0f, 0.0f, width, height)) { 11587b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy return false; 11597b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy } 11607b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 11610fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 11620fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 11630fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy if (displayList) { 1164cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return displayList->replay(*this, dirty, level); 11650fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 11667b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 1167daf98e941e140e8739458126640183b9f296a2abChet Haase return false; 11680fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 11690fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1170a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1171a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1172a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1173a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1174a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1175a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1176a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1177a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1178a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1179a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1180a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1181a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1182a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1183a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1184a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1185a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1186a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1187a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1188a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 11895b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 11905b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 11915b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1192a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1193a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1194a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1195a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1196a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1197a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1198a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1199a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1200a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1201a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1202a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1203a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1204a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1205a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1206a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1207a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 12085c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 12096926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 12106926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 12116926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 12126926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 12136926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 12146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 12156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 121686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 12178164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 12189cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 121922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 122022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1221a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (bitmap->getConfig() == SkBitmap::kA8_Config) { 1222a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1223a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1224a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1225a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 12268ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 12278ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 12285c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1229f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1230f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1231f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1232f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 12336926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 12346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 12356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 12366926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 123786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 12388164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 12399cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 124022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 124122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 12425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 12435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 12445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 12455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 12465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 12475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1248f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1249f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 12505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 12515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 12525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 12535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 12545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 12555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 12565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy glActiveTexture(gTextureUnits[0]); 12585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 12595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 12605a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 12615a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 12625a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 12645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 12655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 12665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 12685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1269b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1270b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1271b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1272b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1273b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1274b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1275b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = hasLayer(); 1276b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1277b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = false; 1278b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1279b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1280a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1281a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 12825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 12835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 12845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 12855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 12865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 12885a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 12895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 12905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 12915a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12925a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 12935a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 12945a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 12955a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 12965a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 12975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 12985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 12995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 13005a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 13025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 13035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 13045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 13065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 13075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1308b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1309b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1310b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1311b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1312b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1313b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1314b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1315b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1316b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1317b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 13185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 13195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 13205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1321b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1322b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1323b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1324b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1325b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1326b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 13275a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 13285a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1329b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 13305a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 13315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 13338ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 13348ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 13355c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 13366926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 13376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13386926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13396926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1340746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 13418164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13429cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 134322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 13448164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 13458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 13468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 13478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1348c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 13498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u1 = srcLeft / width; 13508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v1 = srcTop / height; 13518ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u2 = srcRight / width; 13528ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v2 = srcBottom / height; 1353c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 135403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 13558ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 13568ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 135703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 135803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 135903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 136003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 13616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 13626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 13636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 13646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 13656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 13666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 13676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 13686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 13696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 13706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 13716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 13726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 13736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 13748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 13758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1376ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1377ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 13784aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 13794bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 13805c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 13816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 13826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13836926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13846926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1385746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 13868164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13879cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 138822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 13898164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1390f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1391f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1392f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1393f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1394f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 13952728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 13964bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1397f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1398a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy if (mesh && mesh->verticesCount > 0) { 13996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1400a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 14015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 14028168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1403c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1404c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 14055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 14065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 14078ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 14086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 1409c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1410c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1411c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 14126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1413c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1414c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 14156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 14165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 14175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1418a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 14195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 14206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 14216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 14226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 14236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 14246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 14256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 14266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 14276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 14286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 14296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 14306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 14316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 14326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 14336620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1434054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1435f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1436f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 14375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::drawLinesAsQuads(float *points, int count, bool isAA, bool isHairline, 14385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float strokeWidth) { 14395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 14405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 14415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Polyline: account for extra vertices needed for continous tri-strip 14425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase verticesCount += (count -4); 14435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 14445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (isAA) { 14455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 14465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase strokeWidth += .5f; 14475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 14485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 14495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 14505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex wLines[verticesCount]; 14515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex* aaVertices = &wLines[0]; 14525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 14535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 14545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 1455740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy AlphaVertex* alphaCoords = aaVertices + gVertexAlphaOffset; 14565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // innerProportion is the ratio of the inner (non-AA) port of the line to the total 14575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 14585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 14595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float innerProportion = fmax(strokeWidth - 1.0f, 0) / (strokeWidth + .5f); 14605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawAALine((void*) aaVertices, (void*) alphaCoords, innerProportion); 14615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 14625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 14635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int generatedVerticesCount = 0; 14645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex *prevAAVertex = NULL; 14655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex *prevVertex = NULL; 1466740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy float inverseScaleX = 1.0f; 1467740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy float inverseScaleY = 1.0f; 1468740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 14695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (isHairline) { 14705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // The quad that we use for AA hairlines needs to account for scaling because the line 14715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // should always be one pixel wide regardless of scale. 14725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase inverseScaleX = 1.0f; 14735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase inverseScaleY = 1.0f; 14745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!mSnapshot->transform->isPureTranslate()) { 14755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Matrix4 *mat = mSnapshot->transform; 14765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 14775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 14785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float m02 = mat->data[2]; 14795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 14805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 14815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float m12 = mat->data[6]; 14825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float scaleX = sqrt(m00*m00 + m01*m01); 14835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float scaleY = sqrt(m10*m10 + m11*m11); 14845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 14855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 14865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 14875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 1488740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 14895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 14905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 14915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 14925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 14935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 14945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Bias to snap to the same pixels as Skia 14955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase a += 0.375; 14965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase b += 0.375; 14975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 14985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 14995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 n = (b - a).copyNormalized() * strokeWidth; 15005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (isHairline) { 15015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float wideningFactor; 15025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (fabs(n.x) >= fabs(n.y)) { 15035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase wideningFactor = fabs(1.0f / n.x); 15045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 15055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase wideningFactor = fabs(1.0f / n.y); 15065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x *= inverseScaleX; 15085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y *= inverseScaleY; 15095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n *= wideningFactor; 15105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 15125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 15135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 15145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 15155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 15165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 15175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 15185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 15195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 15205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 15215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 15225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 15235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 15245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 15255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 15265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 15275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Draw the line as 2 triangles, could be optimized 15285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // by using only 4 vertices and the correct indices 15295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Also we should probably used non textured vertices 15305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // when line AA is disabled to save on bandwidth 15315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 15325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 15335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 15345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 15355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 15365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 15375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 15385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 15395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 15405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 15425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 15435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 15445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 15455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 15465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 15475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 15485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 15495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 15505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 15515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 15525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 15535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex::set(aaVertices++,prevAAVertex->position[0], 15545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex->position[1], prevAAVertex->alpha); 15555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex::set(aaVertices++, p4.x, p4.y, 1); 15565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 15575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex::set(aaVertices++, p4.x, p4.y, 1); 15595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex::set(aaVertices++, p1.x, p1.y, 1); 15605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex::set(aaVertices++, p3.x, p3.y, 0); 15615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex::set(aaVertices++, p2.x, p2.y, 0); 15625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 15635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 15645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 15665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 15695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 15705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 15725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 15735c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 1574af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1575dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1576a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool isAA = paint->isAntiAlias(); 1577a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const float strokeWidth = paint->getStrokeWidth() * 0.5f; 15785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 15795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // it draws a line 1 px wide regardless of current transform 15805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 1581a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1582759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy int alpha; 1583759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy SkXfermode::Mode mode; 1584759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy getAlphaAndMode(paint, &alpha, &mode); 15857230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy int generatedVerticesCount = 0; 1586759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 15878d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDraw(); 15885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (isAA) { 15895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawAALine(); 15905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15918d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(paint->getColor(), alpha); 15928d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorFilter(); 15938d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawShader(); 15945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (isAA) { 15955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawBlending(true, mode); 15965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 15975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawBlending(mode); 15985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15998d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawProgram(); 16008d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawModelViewIdentity(); 16018d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorUniforms(); 16028d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorFilterUniforms(); 16038d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawShaderIdentityUniforms(); 1604759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1605a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!isHairLine) { 16065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase drawLinesAsQuads(points, count, isAA, isHairLine, strokeWidth); 1607a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } else { 16085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (isAA) { 16095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase drawLinesAsQuads(points, count, isAA, isHairLine, .5f); 16105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 16115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count >> 1; 16125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 16135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 16145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 16155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 16165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 16175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(points[i], points[i + 2]); 16185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(points[i], points[i + 2]); 16195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(points[i + 1], points[i + 3]); 16205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(points[i + 1], points[i + 3]); 16215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 16225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, points[i], points[i + 1]); 16235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, points[i + 2], points[i + 3]); 16245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 16255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase dirtyLayer(left, top, 16265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase right == left ? left + 1 : right, bottom == top ? top + 1 : bottom, 16275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase *mSnapshot->transform); 16285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 16297230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 16305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glLineWidth(1.0f); 16315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_LINES, 0, generatedVerticesCount); 1632a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 163329d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy } 1634759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy} 1635759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1636ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 1637ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 1638ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1639ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 1640ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 1641ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 16425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 1643ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 1644ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 1645ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1646ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 1647ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 1648ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1649ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1650ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 1651ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 1652ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1653ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 1654ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 1655ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1656ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 1657ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPoint(isHairLine ? 1.0f : paint->getStrokeWidth()); 1658ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 1659ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 1660ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 1661ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 1662ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 1663ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawModelViewIdentity(); 1664ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 1665ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 1666ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 1667ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 1668ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 1669ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1670ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 1671ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 1672ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 1673ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 1674ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1675ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 1676ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1677ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 167885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 1679e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 1680af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1681e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 1682ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 1683ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 168470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16853d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 1686c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 16879d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1688c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 168901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 169001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 169101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 169201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 169301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 169401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 169501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 169601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 169701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1698c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 1699c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 170001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 170101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 170201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 1703c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 1704c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 1705c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 1706c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 170701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1708c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 1709c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 1710c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 1711c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 171201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 1713c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 1714c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 171501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1716c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 1717c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 171801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1719c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 1720c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 1721c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 1722c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 1723c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 17248b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 17258b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 17268b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 17278b2f5267f16c295f12faab810527cd6311997e34Romain Guy 17288b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 17298b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 17308b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 17318b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 17328b2f5267f16c295f12faab810527cd6311997e34Romain Guy 17338b2f5267f16c295f12faab810527cd6311997e34Romain Guy glActiveTexture(gTextureUnits[0]); 17348b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 17358b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 17368b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 17378b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 17388b2f5267f16c295f12faab810527cd6311997e34Romain Guy 1739c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 1740c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 1741c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 1742c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 1743c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 1744c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 1745c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 174601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 174701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 17485c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 1749c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 1750c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 1751c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 1752c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 1753c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 17546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 17556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 17566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 17576926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1758026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 1759746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1760a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 1761a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1762a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1763a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 1764a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1765a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1766a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 1767026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1768026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1769026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 1770026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy drawColorRect(left, top, right, bottom, color, mode); 1771c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 17729d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1773e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 1774e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy float x, float y, SkPaint* paint) { 1775b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (text == NULL || count == 0) { 1776e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 1777e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1778af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1779e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 1780f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy paint->setAntiAlias(true); 1781e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 1782a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy float length = -1.0f; 1783e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 1784e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 1785e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1786e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 1787e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1788e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 1789e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1790e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 1791e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1792e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 1793e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1794e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1795e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 17963a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 17973a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 17986620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 17996620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 18006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 18016620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 18026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 18036620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1804b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 1805b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 1806fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 1807e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 180886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 180986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 181086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 18119d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 18121e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 1813b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 1814fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get(paint, text, bytesCount, 18151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy count, mShadowRadius); 18161e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 18170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1818740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 1819740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 182086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 182186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 1822740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 1823740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 1824740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 1825740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 182686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 182786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 182886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 182986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 1830740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 1831740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 1832740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 183386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 183486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 1835740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 183686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 183786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 1838740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 1839740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 184086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 18410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 18420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1843740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 184486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 18451e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 18461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 1847b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (paint->getAlpha() == 0 && paint->getXfermode() == NULL) { 1848b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy return; 1849b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy } 1850b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy 18516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 18526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 18536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 18546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 18556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 18565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 185786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 185886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 185986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 186086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 186186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 186286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 186386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 186486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 186586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 186686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 186786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 186886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 186986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 187086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 187106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 18726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 18735b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 18745b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 18755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 1876f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = hasLayer(); 18775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 1878f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = false; 18795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 188003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 1881894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 1882894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk // Tell font renderer the locations of position and texture coord 1883894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk // attributes so it can bind its data properly 1884894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk int positionSlot = mCaches.currentProgram->position; 1885894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk fontRenderer.setAttributeBindingSlots(positionSlot, mTexCoordsSlot); 18866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 1887f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 18885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 1889f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 18906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 18916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 18926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1893f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 18945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 18955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 18965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1897694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1898694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 1899fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 1900a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy 19013a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 1902694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 1903694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 19047fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 1905af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1906dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 190701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 19087fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1909fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 19109cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 191122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 19127fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 19138b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 19148b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 19158b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 191601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 19177fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 19187fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1919ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 1920ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 19216c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 19226c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 19236c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 19246c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glActiveTexture(gTextureUnits[0]); 19256c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 19266c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 19276c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 19286c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 19296c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1930ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->alpha = alpha; 1931ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->mode = mode; 19326c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1933f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 1934c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (!layer->region.isEmpty()) { 1935c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 193640667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 1937c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 19388168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 1939c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 1940c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 1941c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 1942c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 19438168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 1944c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 1945c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawBlending(layer->blend || layer->alpha < 255, layer->mode, false); 1946c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 194740667676e542a9daeafeac9904c30004e8706fd3Romain Guy setupDrawModelViewTranslate(x, y, 194840667676e542a9daeafeac9904c30004e8706fd3Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 1949c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 1950c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 1951c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawTexture(layer->texture); 1952c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 1953c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 1954c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 1955c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 1956c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 1957c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 19583a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 19593a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 19603a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 19613a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 1962c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 1963f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1964f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 1965ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 1966ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 1967f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 19686c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 19696c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 19706926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 1971d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 1972d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1973d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1974d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 197506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 197606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 197706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 197806f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 197906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 198006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 1981fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 198206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 19837fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 19847fac2e18339f765320d759e8d4c090f92431959eRomain Guy 1985d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1986db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 1987db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 1988db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1989db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 1990db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1991db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1992db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1993db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 1994db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 1995db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1996db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1997db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 19981e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 19991e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 20001e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 20011e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 20021e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 20031e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 20041e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 20051e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 20061e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 20071e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 20081e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 20091e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 20101e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 20111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 20121e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 20131e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 20146926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 20156926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 20166926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 201701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 201801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 201901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 202001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 202101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 202201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 202301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 202401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 202501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 202601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 202701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 202801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 202901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 203001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 203101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 203201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 203301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 203401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 203501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 203601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 203701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 203801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 203901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 204001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 204101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 204201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 204301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 204401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 204501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2046f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 20470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 20480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 20490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 20500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 20510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 20520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 20530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 20540a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 20550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 20560a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 20570a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 20580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 20590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy underlineWidth = paint->measureText(text, bytesCount); 20600a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 20610a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 20620a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 20630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy switch (paint->getTextAlign()) { 20640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 20650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 20660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 20670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 20680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 20690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 20700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 20710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 20720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 20730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 20740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 2075e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float textSize = paint->getTextSize(); 2076f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy // TODO: Support stroke width < 1.0f when we have AA lines 2077f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 20780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2079e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 20800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2081e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2082f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2083f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2084f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2085f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2086f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2087e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2088e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 20890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 20900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 20910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2092e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2093e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2094e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2095e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 20960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 20970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 20980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 20990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2100e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2101e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2102e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2103e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 21040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2105e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2106e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy SkPaint linesPaint(*paint); 2107e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy linesPaint.setStrokeWidth(strokeWidth); 2108e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2109e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy drawLines(&points[0], pointsCount, &linesPaint); 21100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 21110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 21120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 21130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2114026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 21151c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2116d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 211706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2118d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2119d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2120d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 212170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 212270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 212370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 212470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 212570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 212670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 212770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 212870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 212970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 213070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 213170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2132c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2133c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2134c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2135c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 213682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 21378164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 213882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 213982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 214082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 214182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 21428164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 21438164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 21446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 21456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 21466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 21476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 21486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 21496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 21506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 21516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 21526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 21536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 21546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 21556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 215685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 215785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2158bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2159a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2160a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 216103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2162f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2163f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2164f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2165a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 21666820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 21675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 21688694230ff25fa0a60e480d424843e56b718f0516Romain Guy 216970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 217070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 217170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 217270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 217370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 217470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 217570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 217670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2177db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 21785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 217970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 218003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 218170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2182db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 218386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 218470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 218570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 218670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2187db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 21886820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 218970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 219070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 219182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 219282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2193a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2194f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 219582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 219682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 2197a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode < SkXfermode::kPlus_Mode) { 2198a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mCaches.blend) { 2199a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glEnable(GL_BLEND); 2200a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 220182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2202f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 2203f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 220482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2205a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 2206a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glBlendFunc(sourceMode, destMode); 2207a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastSrcMode = sourceMode; 2208a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastDstMode = destMode; 2209a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2210a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2211a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // These blend modes are not supported by OpenGL directly and have 2212a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // to be implemented using shaders. Since the shader will perform 2213a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // the blending, turn blending off here 2214746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (mCaches.extensions.hasFramebufferFetch()) { 2215a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2216f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2217a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2218a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 2219a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mCaches.blend) { 2220a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glDisable(GL_BLEND); 2221a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2222a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy blend = false; 222382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2224fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 222582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 222682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2227fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2228bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2229bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2230889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2231d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2232fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2233d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2234fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 22356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2236260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 22376926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2238260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2239260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2240026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2241ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 224282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 224382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 224482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 224582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 22468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 22478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22485c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 22498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 2250746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2251a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(paint->getXfermode(), mode); 2252a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2253a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2254a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = SkXfermode::kSrcOver_Mode; 2255a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2256a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2257a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = getXfermode(paint->getXfermode()); 22588ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 22598ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22608ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 22618ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 22628ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 22638ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 22648ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 22658ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 22668ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 22678ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 22688ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 22698ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 22708ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2271026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2272026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2273a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2274b37cbec6d06578a72bdd9c2caa3fd964ade71c53Romain Guy // In the future we should look at unifying the Porter-Duff modes and 2275b37cbec6d06578a72bdd9c2caa3fd964ade71c53Romain Guy // SkXferModes so that we can use SkXfermode::IsMode(xfer, &mode). 2276a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode == NULL) { 2277a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return SkXfermode::kSrcOver_Mode; 2278a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2279a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return mode->fMode; 2280a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2281a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 2282746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guyvoid OpenGLRenderer::setTextureWrapModes(Texture* texture, GLenum wrapS, GLenum wrapT) { 22838164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bool bound = false; 22848164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapS != texture->wrapS) { 22858164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 22868164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bound = true; 22878164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapS); 22888164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapS = wrapS; 22898164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 22908164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapT != texture->wrapT) { 22913e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy if (!bound) { 22923e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 22933e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy } 22948164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapT); 22958164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapT = wrapT; 22968164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 2297a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 2298a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 22999d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2300e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2301