OpenGLRenderer.cpp revision 5b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82
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 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 6375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const Rect& texCoords = layer->texCoords; 6385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, texCoords.right, texCoords.bottom); 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureMesh(rect.left, rect.top, rect.right, rect.bottom, layer->texture, 6415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha / 255.0f, layer->mode, layer->blend, &mMeshVertices[0].position[0], 6425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy &mMeshVertices[0].texture[0], GL_TRIANGLE_STRIP, gMeshCount, swap, swap); 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 6455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 650f147340bd117c16a67287e2f6ca9ded651bb32b2Chet Haase const android::Rect& bounds = layer->region.getBounds(); 651f147340bd117c16a67287e2f6ca9ded651bb32b2Chet Haase layer->regionRect.set(bounds.leftTop().x, bounds.leftTop().y, 652f147340bd117c16a67287e2f6ca9ded651bb32b2Chet Haase bounds.rightBottom().x, bounds.rightBottom().y); 65340667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 6545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 6555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 6565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!layer->region.isEmpty()) { 6595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 6605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 6615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float alpha = layer->alpha / 255.0f; 6635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texX = 1.0f / float(layer->width); 6645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texY = 1.0f / float(layer->height); 665f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 6665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 6685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 6695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6707230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 6717230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 6727230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 673ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 6747230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawBlending(layer->blend || layer->alpha < 255, layer->mode, false); 6757230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 6767230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 6777230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 678ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 6797230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawTexture(layer->texture); 680c038ea358aadca082198f3effc550d33135bf426Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 6817230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0]); 6825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 6845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 6855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 687f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 6885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 689f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 6905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 6925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 6935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 6945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 6955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 6965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 6985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 7005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 7025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 7035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 7075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 7117230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 7125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 7143a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 7155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 7185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 7205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 7215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 7253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 7263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 7273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 7283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 7303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 7313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 7323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 7333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 7353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 7363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 7383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 7393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 7403a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 7413a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 7423a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7433a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 7443a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 7453a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 7463a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 7473a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 7483a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 7493a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 7525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 753f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 7545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 7555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 756f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 7575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 7635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 764f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 7655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 766f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 7671bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 7681bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 7691bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 7701bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 7711bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 7721bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 7731bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 7741bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 7751bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 7761bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 7771bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 7785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 783bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 784f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 785f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 786f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 787f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 7888aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 789f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 790f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 791f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 7928aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 793f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 794f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 795f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 7968aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 797f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 798f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 799807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 800807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 801807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 802807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 803f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 8048aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->load(*matrix); 805f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 806f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 80741030da16856c8869e1e51d4a0405432fa96614eRomain Guyconst float* OpenGLRenderer::getMatrix() const { 80899bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy if (mSnapshot->fbo != 0) { 80999bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mSnapshot->transform->data[0]; 81099bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy } 81199bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mIdentity.data[0]; 81241030da16856c8869e1e51d4a0405432fa96614eRomain Guy} 81341030da16856c8869e1e51d4a0405432fa96614eRomain Guy 814f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 8158aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 816f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 817f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 818f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 819e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 820e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 821e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 822e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 823f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 824f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 825f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 826f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 827f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 828f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 829bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 830e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 831e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 832eb99356a0548684a501766e6a524529ab93304c8Romain Guy glScissor(clip.left, mSnapshot->height - clip.bottom, clip.getWidth(), clip.getHeight()); 833746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 8349d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 8359d5316e3f56d138504565ff311145ac01621dff4Romain Guy 8369d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 837079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 838bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 839bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 840c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 841af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 842dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 843dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 844dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 8451d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 8468aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 847d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 848d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 849d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 850d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 851d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 852d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 853c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 854c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 855079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 856079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 8577ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 858746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 8597ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 8608aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 861e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 862e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 863f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 86470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 86570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 86670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 86770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDraw() { 86870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 86970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 87070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 87170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 87270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 87370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 87470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 87570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 87670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 8778d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mTexCoordsSlot = -1; 87870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 87970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 88070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 88170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 88270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 88370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 88470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 8855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 8865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase mDescription.hasWidth = true; 8875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 8885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 889ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 890ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 891ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 892ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 893ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 89470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 8958d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 8968d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 8978d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 8988d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 8998d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 9005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // BUG on this next line? a is alpha divided by 255 *twice* 90170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 902fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 903fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 904fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 90570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 90670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 90770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 90870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 90986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 91086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 91186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 91286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 91386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 91486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 91586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 91686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 91786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 91886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 91970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 92070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 92170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 92270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 92370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 92470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 92570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 92670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 92770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 92886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 92986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 93086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 93186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 93286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 93386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 93486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 93586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 93686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 93770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 93870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 93970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 94070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 94170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 94270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 94370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 94470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 94570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 94670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 94770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 94870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 94970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 95070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 95170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 95270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 95370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 95470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 95570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 95670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 95770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 95870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 95970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 96070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 96170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 96270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 96370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 96470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 96570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 96670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 96770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 96870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 96970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 97070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 97170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 97270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 97370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 97470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 97570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 97670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 97770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 97870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 9798d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawModelViewIdentity() { 9808d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform); 9818d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 9828d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 98370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 98470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 98570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 98670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 98770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 98870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 98970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 99070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 99186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 99286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 99386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 99486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 99586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 99686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 99786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 99886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 99986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 100086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 100170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 100270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1003ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1004ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1005ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1006ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1007ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 100870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 10095536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 101070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 101170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 101270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 101370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 101486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 10155536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 101686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 10175536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 10185536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 10195536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 102070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 102170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 102270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 102370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 102470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 102570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 102670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 102770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 102870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 10298d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 10308d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 10318d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 10328d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 10338d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 10348d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 103570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 103670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 103770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 103870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 103970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 104070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 104170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 104270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(); 104370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 104470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, 0); 104570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 104670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 104770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 104870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 104970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 105070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 105170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 105270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 105370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 105470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 105570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 105670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 105770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 105870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 105970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.unbindMeshBuffer(); 106070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 106170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 106270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, vertices); 1063cf28957c89127ccfc82d535903c776124665446aDavid Li if (mTexCoordsSlot >= 0) { 10648d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy glVertexAttribPointer(mTexCoordsSlot, 2, GL_FLOAT, GL_FALSE, gMeshStride, texCoords); 10658d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 106670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 106770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 10685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 10695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase mCaches.unbindMeshBuffer(); 10705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 10715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase gVertexStride, vertices); 10725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 10735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 10745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 10755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 10765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the width of the 10775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * core line primitive ("width") and the width of the fading boundary ("boundaryWidth"). The 10785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * "vtxDistance" attribute (one per vertex) is a value from zero to one that tells the fragment 10795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * shader where the fragment is in relation to the line width overall; this value is then used 10805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * to compute the proper color, based on whether the fragment lies in the fading AA region of 10815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * the line. 10825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 10835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* distanceCoords, float strokeWidth) { 10845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase mCaches.unbindMeshBuffer(); 10855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 10865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase gAlphaVertexStride, vertices); 10875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int distanceSlot = mCaches.currentProgram->getAttrib("vtxDistance"); 10885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glEnableVertexAttribArray(distanceSlot); 10895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glVertexAttribPointer(distanceSlot, 1, GL_FLOAT, GL_FALSE, gAlphaVertexStride, distanceCoords); 10905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int widthSlot = mCaches.currentProgram->getUniform("width"); 10915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 10925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 10935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float boundaryWidth = (1 - strokeWidth) / 2; 10945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glUniform1f(widthSlot, strokeWidth); 10955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidth); 10965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidth)); 10975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 10985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 109970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 110070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glDisableVertexAttribArray(mTexCoordsSlot); 110170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 110270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 110370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1104f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1105f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1106f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 11077b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guybool OpenGLRenderer::drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, 11087b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy Rect& dirty, uint32_t level) { 11097b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (quickReject(0.0f, 0.0f, width, height)) { 11107b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy return false; 11117b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy } 11127b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 11130fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 11140fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 11150fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy if (displayList) { 1116cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return displayList->replay(*this, dirty, level); 11170fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 11187b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 1119daf98e941e140e8739458126640183b9f296a2abChet Haase return false; 11200fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 11210fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1122a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1123a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1124a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1125a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1126a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1127a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1128a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1129a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1130a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1131a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1132a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1133a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1134a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1135a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1136a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1137a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1138a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1139a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1140a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 11415b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 11425b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 11435b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1144a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1145a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1146a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1147a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1148a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1149a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1150a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1151a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1152a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1153a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1154a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1155a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1156a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1157a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1158a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1159a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 11605c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 11616926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 11626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 11636926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 11646926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 11656926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 11666926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 11676926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 116886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 11698164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 11709cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 117122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 117222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1173a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (bitmap->getConfig() == SkBitmap::kA8_Config) { 1174a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1175a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1176a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1177a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 11788ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 11798ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 11805c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1181f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1182f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1183f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1184f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 11856926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 11866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 11876926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 11886926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 118986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 11908164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 11919cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 119222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 119322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 11945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 11955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 11965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 11975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 11985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 11995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1200f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1201f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 12025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 12035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 12045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 12055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 12065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 12075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 12085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy glActiveTexture(gTextureUnits[0]); 12105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 12115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 12125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 12135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 12145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 12165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 12175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 12185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 12205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1221b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1222b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1223b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1224b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1225b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1226b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1227b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = hasLayer(); 1228b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1229b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = false; 1230b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1231b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1232a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1233a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 12345a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 12355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 12365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 12375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 12385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 12405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 12415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 12425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 12435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 12455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 12465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 12475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 12485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 12495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 12505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 12515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 12525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 12545a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 12555a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 12565a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12575a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 12585a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 12595a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1260b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1261b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1262b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1263b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1264b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1265b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1266b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1267b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1268b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1269b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 12705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 12715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 12725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1273b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1274b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1275b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1276b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1277b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1278b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 12795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 12805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1281b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 12825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 12835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12848ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 12858ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 12868ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 12875c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 12886926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 12896926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 12906926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 12916926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1292746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 12938164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 12949cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 129522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 12968164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 12978ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 12988ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 12998ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1300c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 13018ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u1 = srcLeft / width; 13028ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v1 = srcTop / height; 13038ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u2 = srcRight / width; 13048ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v2 = srcBottom / height; 1305c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 130603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 13078ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 13088ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 130903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 131003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 131103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 131203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 13136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 13146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 13156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 13166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 13176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 13186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 13196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 13206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 13216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 13226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 13236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 13246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 13256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 13268ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 13278ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1328ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1329ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 13304aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 13314bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 13325c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 13336926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 13346926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13356926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13366926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1337746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 13388164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13399cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 134022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 13418164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1342f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1343f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1344f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1345f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1346f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 13472728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 13484bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1349f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1350a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy if (mesh && mesh->verticesCount > 0) { 13516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1352a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 13535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 13548168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1355c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1356c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 13575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 13585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 13598ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 13606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 1361c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1362c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1363c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 13646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1365c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1366c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 13676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 13685b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 13695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1370a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 13715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 13726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 13736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 13746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 13756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 13766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 13776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 13786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 13796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 13806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 13816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 13826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 13836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 13846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 13856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1386054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1387f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1388f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 13895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::drawLinesAsQuads(float *points, int count, bool isAA, bool isHairline, 13905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float strokeWidth) { 13915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 13925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 13935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Polyline: account for extra vertices needed for continous tri-strip 13945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase verticesCount += (count -4); 13955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 13965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (isAA) { 13975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 13985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase strokeWidth += .5f; 13995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 14005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 14015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 14025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex wLines[verticesCount]; 14035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex* aaVertices = &wLines[0]; 14045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 14055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 14065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 14075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase void *alphaCoords = ((void*) aaVertices) + gVertexAlphaOffset; 14085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // innerProportion is the ratio of the inner (non-AA) port of the line to the total 14095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 14105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 14115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float innerProportion = fmax(strokeWidth - 1.0f, 0) / (strokeWidth + .5f); 14125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawAALine((void*) aaVertices, (void*) alphaCoords, innerProportion); 14135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 14145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 14155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int generatedVerticesCount = 0; 14165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex *prevAAVertex = NULL; 14175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex *prevVertex = NULL; 14185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float inverseScaleX, inverseScaleY; 14195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (isHairline) { 14205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // The quad that we use for AA hairlines needs to account for scaling because the line 14215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // should always be one pixel wide regardless of scale. 14225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase inverseScaleX = 1.0f; 14235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase inverseScaleY = 1.0f; 14245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!mSnapshot->transform->isPureTranslate()) { 14255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Matrix4 *mat = mSnapshot->transform; 14265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 14275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 14285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float m02 = mat->data[2]; 14295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 14305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 14315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float m12 = mat->data[6]; 14325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float scaleX = sqrt(m00*m00 + m01*m01); 14335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float scaleY = sqrt(m10*m10 + m11*m11); 14345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 14355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 14365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 14375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 14385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 14395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 14405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 14415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 14425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 14435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Bias to snap to the same pixels as Skia 14445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase a += 0.375; 14455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase b += 0.375; 14465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 14475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 14485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 n = (b - a).copyNormalized() * strokeWidth; 14495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (isHairline) { 14505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float wideningFactor; 14515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (fabs(n.x) >= fabs(n.y)) { 14525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase wideningFactor = fabs(1.0f / n.x); 14535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 14545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase wideningFactor = fabs(1.0f / n.y); 14555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 14565b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x *= inverseScaleX; 14575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y *= inverseScaleY; 14585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n *= wideningFactor; 14595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 14605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 14615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 14625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 14635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 14645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 14655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 14665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 14675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 14685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 14695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 14705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 14715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 14725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 14735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 14745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 14755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 14765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Draw the line as 2 triangles, could be optimized 14775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // by using only 4 vertices and the correct indices 14785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Also we should probably used non textured vertices 14795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // when line AA is disabled to save on bandwidth 14805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 14815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 14825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 14835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 14845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 14855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 14865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 14875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 14885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 14895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 14905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 14915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 14925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 14935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 14945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 14955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 14965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 14975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 14985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 14995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 15005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 15015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 15025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex::set(aaVertices++,prevAAVertex->position[0], 15035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex->position[1], prevAAVertex->alpha); 15045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex::set(aaVertices++, p4.x, p4.y, 1); 15055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 15065b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex::set(aaVertices++, p4.x, p4.y, 1); 15085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex::set(aaVertices++, p1.x, p1.y, 1); 15095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex::set(aaVertices++, p3.x, p3.y, 0); 15105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase AlphaVertex::set(aaVertices++, p2.x, p2.y, 0); 15115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 15125b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 15135b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 15155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 15185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 15195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15205b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 15215b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 15225c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 1523af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1524dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1525a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool isAA = paint->isAntiAlias(); 1526a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const float strokeWidth = paint->getStrokeWidth() * 0.5f; 15275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 15285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // it draws a line 1 px wide regardless of current transform 15295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 1530a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1531759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy int alpha; 1532759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy SkXfermode::Mode mode; 1533759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy getAlphaAndMode(paint, &alpha, &mode); 15347230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy int generatedVerticesCount = 0; 1535759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 15368d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDraw(); 15375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (isAA) { 15385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawAALine(); 15395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15408d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(paint->getColor(), alpha); 15418d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorFilter(); 15428d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawShader(); 15435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (isAA) { 15445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawBlending(true, mode); 15455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 15465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawBlending(mode); 15475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15488d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawProgram(); 15498d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawModelViewIdentity(); 15508d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorUniforms(); 15518d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorFilterUniforms(); 15528d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawShaderIdentityUniforms(); 1553759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1554a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!isHairLine) { 15555b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase drawLinesAsQuads(points, count, isAA, isHairLine, strokeWidth); 1556a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } else { 15575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (isAA) { 15585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase drawLinesAsQuads(points, count, isAA, isHairLine, .5f); 15595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 15605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count >> 1; 15615b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 15625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 15635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 15645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 15655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 15665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(points[i], points[i + 2]); 15675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(points[i], points[i + 2]); 15685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(points[i + 1], points[i + 3]); 15695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(points[i + 1], points[i + 3]); 15705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 15715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, points[i], points[i + 1]); 15725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, points[i + 2], points[i + 3]); 15735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 15745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase dirtyLayer(left, top, 15755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase right == left ? left + 1 : right, bottom == top ? top + 1 : bottom, 15765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase *mSnapshot->transform); 15775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15787230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 15795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glLineWidth(1.0f); 15805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_LINES, 0, generatedVerticesCount); 1581a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 158229d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy } 1583759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy} 1584759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1585ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 1586ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 1587ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1588ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 1589ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 1590ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 15915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 1592ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 1593ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 1594ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1595ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 1596ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 1597ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1598ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1599ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 1600ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 1601ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1602ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 1603ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 1604ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1605ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 1606ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPoint(isHairLine ? 1.0f : paint->getStrokeWidth()); 1607ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 1608ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 1609ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 1610ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 1611ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 1612ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawModelViewIdentity(); 1613ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 1614ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 1615ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 1616ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 1617ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 1618ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1619ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 1620ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 1621ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 1622ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 1623ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1624ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 1625ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1626ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 162785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 1628e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 1629af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1630e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 1631ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 1632ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 163370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 16343d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 1635c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 16369d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1637c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 163801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 163901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 164001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 164101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 164201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 164301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 164401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 164501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 164601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1647c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 1648c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 164901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 165001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 165101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 1652c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 1653c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 1654c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 1655c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 165601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1657c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 1658c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 1659c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 1660c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 166101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 1662c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 1663c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 166401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1665c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 1666c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 166701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1668c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 1669c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 1670c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 1671c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 1672c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 16738b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 16748b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 16758b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 16768b2f5267f16c295f12faab810527cd6311997e34Romain Guy 16778b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 16788b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 16798b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 16808b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 16818b2f5267f16c295f12faab810527cd6311997e34Romain Guy 16828b2f5267f16c295f12faab810527cd6311997e34Romain Guy glActiveTexture(gTextureUnits[0]); 16838b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 16848b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 16858b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 16868b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 16878b2f5267f16c295f12faab810527cd6311997e34Romain Guy 1688c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 1689c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 1690c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 1691c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 1692c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 1693c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 1694c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 169501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 169601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 16975c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 1698c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 1699c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 1700c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 1701c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 1702c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 17036926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 17046926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 17056926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 17066926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1707026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 1708746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1709a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 1710a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1711a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1712a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 1713a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1714a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1715a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 1716026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1717026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1718026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 1719026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy drawColorRect(left, top, right, bottom, color, mode); 1720c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 17219d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1722e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 1723e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy float x, float y, SkPaint* paint) { 1724b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (text == NULL || count == 0) { 1725e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 1726e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1727af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1728e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 1729f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy paint->setAntiAlias(true); 1730e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 1731a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy float length = -1.0f; 1732e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 1733e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 1734e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1735e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 1736e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1737e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 1738e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1739e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 1740e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1741e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 1742e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1743e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1744e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 17453a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 17463a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 17476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 17486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 17496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 17506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 17516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 17526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1753b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 1754b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 1755fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 1756e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 175786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 175886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 175986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 17609d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 17611e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 1762b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 1763fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get(paint, text, bytesCount, 17641e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy count, mShadowRadius); 17651e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 17660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 176786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float sx = x - shadow->left + mShadowDx; 176886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float sy = y - shadow->top + mShadowDy; 176986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 177086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 177186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 177286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 177386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 177486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 177586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(mShadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 177686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 177786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 177886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height, pureTranslate); 177986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 178086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 178186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 17820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 17830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 178486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 17851e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 17861e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 1787b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (paint->getAlpha() == 0 && paint->getXfermode() == NULL) { 1788b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy return; 1789b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy } 1790b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy 17916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 17926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 17936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 17946620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 17956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 17965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 179786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 179886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 179986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 180086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 180186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 180286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 180386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 180486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 180586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 180686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 180786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 180886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 180986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 181086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 181106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 18126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 18135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 18145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 18155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 1816f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = hasLayer(); 18175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 1818f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = false; 18195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 182003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 1821894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 1822894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk // Tell font renderer the locations of position and texture coord 1823894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk // attributes so it can bind its data properly 1824894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk int positionSlot = mCaches.currentProgram->position; 1825894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk fontRenderer.setAttributeBindingSlots(positionSlot, mTexCoordsSlot); 18266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 1827f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 18285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 1829f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 18306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 18316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 18326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1833f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 18345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 18355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 18365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1837694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1838694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 1839fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 1840a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy 18413a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 1842694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 1843694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 18447fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 1845af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1846dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 184701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 18487fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1849fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 18509cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 185122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 18527fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 18538b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 18548b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 18558b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 185601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 18577fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 18587fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1859ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 1860ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 18616c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 18626c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 18636c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 18646c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glActiveTexture(gTextureUnits[0]); 18656c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 18666c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 18676c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 18686c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 18696c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1870ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->alpha = alpha; 1871ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->mode = mode; 18726c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1873f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 1874c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (!layer->region.isEmpty()) { 1875c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 187640667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 1877c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 18788168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 1879c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 1880c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 1881c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 1882c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 18838168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 1884c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 1885c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawBlending(layer->blend || layer->alpha < 255, layer->mode, false); 1886c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 188740667676e542a9daeafeac9904c30004e8706fd3Romain Guy setupDrawModelViewTranslate(x, y, 188840667676e542a9daeafeac9904c30004e8706fd3Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 1889c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 1890c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 1891c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawTexture(layer->texture); 1892c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 1893c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 1894c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 1895c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 1896c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 1897c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 18983a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 18993a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 19003a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 19013a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 1902c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 1903f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1904f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 1905ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 1906ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 1907f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 19086c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 19096c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 19106926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 1911d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 1912d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1913d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1914d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 191506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 191606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 191706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 191806f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 191906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 192006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 1921fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 192206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 19237fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 19247fac2e18339f765320d759e8d4c090f92431959eRomain Guy 1925d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1926db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 1927db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 1928db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1929db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 1930db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1931db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1932db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1933db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 1934db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 1935db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1936db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1937db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 19381e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 19391e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 19401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 19411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 19421e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 19431e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 19441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 19451e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 19461e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 19471e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 19481e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 19491e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 19501e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 19511e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 19521e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 19531e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 19546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 19556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 19566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 195701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 195801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 195901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 196001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 196101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 196201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 196301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 196401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 196501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 196601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 196701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 196801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 196901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 197001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 197101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 197201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 197301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 197401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 197501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 197601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 197701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 197801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 197901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 198001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 198101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 198201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 198301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 198401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 198501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1986f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 19870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 19880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 19890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 19900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 19910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 19920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 19930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 19940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 19950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 19960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 19970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 19980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 19990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy underlineWidth = paint->measureText(text, bytesCount); 20000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 20010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 20020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 20030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy switch (paint->getTextAlign()) { 20040a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 20050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 20060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 20070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 20080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 20090a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 20100a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 20110a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 20120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 20130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 20140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 2015e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float textSize = paint->getTextSize(); 2016f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy // TODO: Support stroke width < 1.0f when we have AA lines 2017f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 20180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2019e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 20200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2021e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2022f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2023f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2024f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2025f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2026f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2027e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2028e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 20290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 20300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 20310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2032e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2033e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2034e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2035e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 20360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 20370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 20380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 20390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2040e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2041e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2042e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2043e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 20440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2045e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2046e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy SkPaint linesPaint(*paint); 2047e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy linesPaint.setStrokeWidth(strokeWidth); 2048e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2049e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy drawLines(&points[0], pointsCount, &linesPaint); 20500a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 20510a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 20520a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 20530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2054026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 20551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2056d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 205706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2058d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2059d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2060d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 206170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 206270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 206370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 206470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 206570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 206670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 206770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 206870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 206970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 207070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 207170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2072c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2073c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2074c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2075c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 207682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 20778164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 207882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 207982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 208082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 208182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 20828164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 20838164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 20846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 20856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 20866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 20876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 20886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 20896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 20906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 20916620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 20926620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 20936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 20946620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 20956620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 209685bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 209785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2098bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2099a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2100a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 210103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2102f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2103f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2104f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2105a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 21066820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 21075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 21088694230ff25fa0a60e480d424843e56b718f0516Romain Guy 210970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 211070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 211170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 211270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 211370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 211470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 211570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 211670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2117db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 21185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 211970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 212003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 212170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2122db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 212386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 212470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 212570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 212670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2127db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 21286820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 212970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 213070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 213182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 213282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2133a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2134f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 213582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 213682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 2137a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode < SkXfermode::kPlus_Mode) { 2138a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mCaches.blend) { 2139a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glEnable(GL_BLEND); 2140a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 214182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2142f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 2143f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 214482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2145a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 2146a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glBlendFunc(sourceMode, destMode); 2147a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastSrcMode = sourceMode; 2148a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastDstMode = destMode; 2149a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2150a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2151a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // These blend modes are not supported by OpenGL directly and have 2152a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // to be implemented using shaders. Since the shader will perform 2153a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // the blending, turn blending off here 2154746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (mCaches.extensions.hasFramebufferFetch()) { 2155a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2156f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2157a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2158a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 2159a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mCaches.blend) { 2160a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glDisable(GL_BLEND); 2161a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2162a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy blend = false; 216382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2164fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 216582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 216682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2167fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2168bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2169bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2170889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2171d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2172fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2173d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2174fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 21756926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2176260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 21776926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2178260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2179260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2180026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2181ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 218282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 218382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 218482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 218582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 21868ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 21878ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 21885c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 21898ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 2190746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2191a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(paint->getXfermode(), mode); 2192a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2193a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2194a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = SkXfermode::kSrcOver_Mode; 2195a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2196a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2197a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = getXfermode(paint->getXfermode()); 21988ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 21998ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 22008ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 22018ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 22028ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 22038ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 22048ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 22058ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 22068ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 22078ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 22088ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 22098ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 22108ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2211026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2212026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2213a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2214b37cbec6d06578a72bdd9c2caa3fd964ade71c53Romain Guy // In the future we should look at unifying the Porter-Duff modes and 2215b37cbec6d06578a72bdd9c2caa3fd964ade71c53Romain Guy // SkXferModes so that we can use SkXfermode::IsMode(xfer, &mode). 2216a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode == NULL) { 2217a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return SkXfermode::kSrcOver_Mode; 2218a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2219a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return mode->fMode; 2220a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2221a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 2222746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guyvoid OpenGLRenderer::setTextureWrapModes(Texture* texture, GLenum wrapS, GLenum wrapT) { 22238164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bool bound = false; 22248164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapS != texture->wrapS) { 22258164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 22268164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bound = true; 22278164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapS); 22288164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapS = wrapS; 22298164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 22308164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapT != texture->wrapT) { 22313e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy if (!bound) { 22323e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 22333e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy } 22348164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapT); 22358164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapT = wrapT; 22368164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 2237a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 2238a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 22399d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2240e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2241