OpenGLRenderer.cpp revision 99ecdc480dd4f9b550b2a62ea39f77845a4fec49
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 24694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 255cbbce535744b89df5ecea95de21ee3733298260Romain Guy 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 27e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 340fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 35a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 36e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 37e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 389d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 399d5316e3f56d138504565ff311145ac01621dff4Romain Guy 409d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy 44759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 45759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 46759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 47dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy// TODO: This should be set in properties 48dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy#define ALPHA_THRESHOLD (0x7f / PANEL_BIT_DEPTH) 49dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 509d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 519d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 529d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy 54889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 55889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 56889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 63026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 64026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 65026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 66b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ZERO }, 67b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 68b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 69b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 70b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 71b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 72b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 73b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 74b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 75b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 76b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 77b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA } 78026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 79e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 83f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 84b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ZERO }, 85b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 86b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 87b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 88b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 89b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 90b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 91b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 92b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 93b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 94b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 95b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA } 96f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 97f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 98889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystatic const GLenum gTextureUnits[] = { 99b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE0, 100b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE1, 101b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE2 102d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy}; 103d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 104f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 105f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 106f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 108fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 10906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 110db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 112026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 113ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 114ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 115ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 116e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 117e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 11885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 11929d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12029d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 121e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 122e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 123f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 124f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 125f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 126f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 12785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 12808ae317c21ec3086b5017672bba87420cc38a407Romain Guy glViewport(0, 0, width, height); 129260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 130bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 131bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 132bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 133eb99356a0548684a501766e6a524529ab93304c8Romain Guy 134eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 135eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 136746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 137746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 138e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 139e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1406b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guyvoid OpenGLRenderer::prepare(bool opaque) { 1417d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1427d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1437d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1447d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guyvoid OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 145fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 146fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1478aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1488aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 14984962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 15084962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy 1518fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 152f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 153fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glViewport(0, 0, mWidth, mHeight); 154fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy 155d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy glDisable(GL_DITHER); 156bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1577d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy glEnable(GL_SCISSOR_TEST); 1587d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy glScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 1597d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 1607d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1616b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 1626b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 1636b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 1646b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 165bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 166bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 167b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 168b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 169b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 170b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 171b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy LOGD("GL error from OpenGLRenderer: 0x%x", status); 172a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 173a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 174a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy LOGE(" OpenGLRenderer is out of memory!"); 175a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 176a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 177b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 178b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 179c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 180c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 181e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 182e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 183e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 184e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 185c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 186b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 187b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 1886c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 189da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 190da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 191da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 192da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 193da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 194da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 19550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 196da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 197da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 1986c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 199eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(0, 0, mSnapshot->viewport.getWidth(), mSnapshot->viewport.getHeight()); 200da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 201da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 202746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 203da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 204f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glDisable(GL_DITHER); 205f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 20642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 20703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 20850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 20950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 21050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 21150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 21250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 213da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 214da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 215cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guybool OpenGLRenderer::callDrawGLFunction(Functor *functor, Rect& dirty) { 216daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 217f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 218f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 219f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 220d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 22180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 22280911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 22380911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 224d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 225d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 226d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 227d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 228d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 229d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 230d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 231d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 23208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 23308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 23408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 23508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 23608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 23708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 23808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 23980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 24008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy status_t result = (*functor)(0, &info); 241cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 242cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy if (result != 0) { 24308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 244cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 245cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 246cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 247daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 248cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return result != 0; 249daf98e941e140e8739458126640183b9f296a2abChet Haase} 250daf98e941e140e8739458126640183b9f296a2abChet Haase 251f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 252f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 253f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 254f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 255bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 2567ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 257bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 258bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 259bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 2608aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 261bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 262bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 263bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 2642542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 2652542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2667ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 267bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 268bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 269bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 2708fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 271bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2728fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 2732542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2747ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 275bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 276bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2778aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 2788aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 2798fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 280bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 281bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 282bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 2837ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 284bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 285eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 286bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 287bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 2887ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 289bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 290eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 291eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 292eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 293eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 294eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 295eb99356a0548684a501766e6a524529ab93304c8Romain Guy 2968b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 2978b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 2988b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 2992542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 300746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 3018fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 3022542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 3035ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 3045ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 3055ec9924d24495822b589f1a17996655d66273b30Romain Guy } 3065ec9924d24495822b589f1a17996655d66273b30Romain Guy 3072542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 308d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 3095cbbce535744b89df5ecea95de21ee3733298260Romain Guy 310f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 311bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 312bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 313bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 314bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 3155c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 316eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 317eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 318d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 319af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 320e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 321e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 322e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 323e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 324e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 325e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 326e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 327e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 328e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 329e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 330e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 331e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 332e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 333a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 334a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 335e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 336d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 337d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 338dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 339dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 340d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 341d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 342bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 343bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 344bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 345bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 3465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 3478aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 3488b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 3498aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 3508aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 3518aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 3528b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 353d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 354bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 3561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 3571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 3581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 3591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 3601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 3611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 3621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 3641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 3651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 3661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 3671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 3681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 3691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 3701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 3726b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 3736b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 3746b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 3756b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 3761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 3781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 3791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 38087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 3811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 3821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 3831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 3851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 3861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 3871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 3881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 3891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 3911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 3921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 3931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 3941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 3951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 3961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 3981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 3991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 40087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 40187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 40287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 40387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 40487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 4051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 406d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 407eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 408eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 409eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 410fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 411dda570201ac851dd85af3861f7e575721d3345daRomain Guy 412eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 413eb99356a0548684a501766e6a524529ab93304c8Romain Guy 414f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 4158aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 4167b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 417eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 418ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 419eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 420ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 421ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 422ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 423ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 424ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 425ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 426ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 427ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 428ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 429ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 430ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 431ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 432ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 433eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 434bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 435746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 436746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 43732963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 438dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 439e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 440dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 441dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 442dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 443af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 444b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 445b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 446dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glActiveTexture(gTextureUnits[0]); 4488550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 449f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 450f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 451bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 452bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 453dda570201ac851dd85af3861f7e575721d3345daRomain Guy layer->mode = mode; 454f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy layer->alpha = alpha; 4558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 4568550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->height), 4578550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy bounds.getWidth() / float(layer->width), 0.0f); 458171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy layer->colorFilter = mColorFilter; 459dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4608fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 4618fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 462dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 4631d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 464eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 4655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 466eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 467eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 468eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 469514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 470514fb18827186591d66973c2362c859b64b63556Romain Guy if (layer->empty) { 471514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bounds.left, 472514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, layer->width, layer->height, 0); 473514fb18827186591d66973c2362c859b64b63556Romain Guy layer->empty = false; 474514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 475514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 476514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 477514fb18827186591d66973c2362c859b64b63556Romain Guy } 4787b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 4797b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy // Clear the framebuffer where the layer will draw 4807b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy glScissor(bounds.left, mSnapshot->height - bounds.bottom, 4817b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy bounds.getWidth(), bounds.getHeight()); 4827b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 4837b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy glClear(GL_COLOR_BUFFER_BIT); 4847b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 4857b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy dirtyClip(); 486ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 487eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 488f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 489d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 490bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 491bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 4935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 4945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->fbo = mCaches.fboCache.get(); 4955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 4975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 4985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 4995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 5025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 5035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 5045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 5065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 5085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 5095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 5115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 5135ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 5145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 5165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->fbo = layer->fbo; 5175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 5185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 5195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 5205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 5215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 5225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 5235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 5255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->fbo); 5265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 5275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 5295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->empty) { 5305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->empty = false; 5315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->width, layer->height, 0, 5325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GL_RGBA, GL_UNSIGNED_BYTE, NULL); 5335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 5365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->texture, 0); 5375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 5395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 5405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 5415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy LOGE("Framebuffer incomplete (GL error code 0x%x)", status); 5425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 5445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDeleteTextures(1, &layer->texture); 5455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mCaches.fboCache.put(layer->fbo); 5465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 5485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 5505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 5545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 5575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 5585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 5605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 5625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 5635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 5645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 5665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 5701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 5711d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 5721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 5731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LOGE("Attempting to compose a layer that does not exist"); 5741d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 5751d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 578eb99356a0548684a501766e6a524529ab93304c8Romain Guy 579eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 580eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 581eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 582eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 583eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5841d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 5851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 5861d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 587eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (!fboLayer && layer->alpha < 255) { 588f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 5891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy layer->alpha << 24, SkXfermode::kDstIn_Mode, true); 5905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 5915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha = 255; 592f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 593f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 59403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 5958b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 596746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 600eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 602171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy if (layer->colorFilter) { 603171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy setupColorFilter(layer->colorFilter); 604171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 606171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy if (layer->colorFilter) { 607171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 608171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 609eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 610514fb18827186591d66973c2362c859b64b63556Romain Guy if (!rect.isEmpty()) { 611514fb18827186591d66973c2362c859b64b63556Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 612514fb18827186591d66973c2362c859b64b63556Romain Guy composeLayerRect(layer, rect, true); 613514fb18827186591d66973c2362c859b64b63556Romain Guy } 614eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 6151d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 616eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 617eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 618eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 619eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 620eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 621eb99356a0548684a501766e6a524529ab93304c8Romain Guy 622eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 623eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 624eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 625eb99356a0548684a501766e6a524529ab93304c8Romain Guy 626746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 627746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 628eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 6298550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 6301d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 6311d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy glDeleteTextures(1, &layer->texture); 6321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 6331d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 6351d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 636aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 637aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy float alpha = layer->alpha / 255.0f; 638aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 639aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 6408f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy if (layer->renderTarget == GL_TEXTURE_2D) { 6418f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 6428f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 6438f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 6448f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 6458f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 646aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 647aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 648aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawBlending(layer->blend, layer->mode); 649aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 650aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 651aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 652aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 6538f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy if (layer->renderTarget == GL_TEXTURE_2D) { 6548f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTexture(layer->texture); 6558f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 6568f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawExternalTexture(layer->texture); 6578f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 6588f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransformUniforms(layer->texTransform); 659aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 660aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 661aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 662aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 663aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 664aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 665aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 6665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 667aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (!layer->isTextureLayer) { 668aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 669aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 670aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 6715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 672aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureMesh(rect.left, rect.top, rect.right, rect.bottom, layer->texture, 673aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->alpha / 255.0f, layer->mode, layer->blend, &mMeshVertices[0].position[0], 674aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy &mMeshVertices[0].texture[0], GL_TRIANGLE_STRIP, gMeshCount, swap, swap); 6755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 676aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 677aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 678aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 679aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 680aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 681aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 6825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 6855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 6865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 6879fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 6889fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 68940667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 6909fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 6915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 6925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 6935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!layer->region.isEmpty()) { 6965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 6975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 6985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float alpha = layer->alpha / 255.0f; 7005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texX = 1.0f / float(layer->width); 7015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texY = 1.0f / float(layer->height); 702f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 7035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 7055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 7065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7077230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 7087230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 7097230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 710ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 7117230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawBlending(layer->blend || layer->alpha < 255, layer->mode, false); 7127230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 7137230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 7147230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 715ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 7167230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawTexture(layer->texture); 717c038ea358aadca082198f3effc550d33135bf426Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 7187230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0]); 7195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 7215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 7225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 724f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 7255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 726f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 7275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 7295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 7305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 7315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 7325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 7335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 7355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 7375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 7395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 7405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 7445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 7487230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 7495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 7513a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 7525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 7555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 7575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 7585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7613a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 7623a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 7633a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 7643a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 7653a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7663a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 7673a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 7683a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 7693a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 7703a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7713a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 7723a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 7733a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7743a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 7753a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 7763a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 7773a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 7783a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 7793a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7803a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 7813a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 7823a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 7833a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 7843a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 7853a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 7863a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 7895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 790f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 7915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 7925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 793f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 7945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 8005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 801f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 8025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 803f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 8041bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 8051bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 8061bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 8071bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 8081bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 8091bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 8101bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 8111bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 8121bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 8131bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 8141bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 8155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 820bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 821f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 822f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 823f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 824f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 8258aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 826f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 827f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 828f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 8298aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 830f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 831f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 832f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 8338aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 834f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 835f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 836807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 837807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 838807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 839807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 840f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 8418aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->load(*matrix); 842f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 843f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 84441030da16856c8869e1e51d4a0405432fa96614eRomain Guyconst float* OpenGLRenderer::getMatrix() const { 84599bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy if (mSnapshot->fbo != 0) { 84699bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mSnapshot->transform->data[0]; 84799bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy } 84899bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mIdentity.data[0]; 84941030da16856c8869e1e51d4a0405432fa96614eRomain Guy} 85041030da16856c8869e1e51d4a0405432fa96614eRomain Guy 851f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 8528aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 853f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 854f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 855f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 856e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 857e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 858e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 859e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 860f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 861f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 862f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 863f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 864f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 865f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 866bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 867e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 868e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 869eb99356a0548684a501766e6a524529ab93304c8Romain Guy glScissor(clip.left, mSnapshot->height - clip.bottom, clip.getWidth(), clip.getHeight()); 870746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 8719d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 8729d5316e3f56d138504565ff311145ac01621dff4Romain Guy 8739d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 874079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 875bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 876bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 877c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 878af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 879dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 880dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 881dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 8821d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 8838aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 884d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 885d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 886d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 887d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 888d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 889d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 890c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 891c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 892079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 893079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 8947ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 895746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 8967ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 8978aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 898e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 899e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 900f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 90170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 90270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 90370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 90470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDraw() { 90570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 90670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 90770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 90870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 90970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 91070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 91170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 91270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 91370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 9148d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mTexCoordsSlot = -1; 91570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 91670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 91770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 91870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 91970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 92070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 92170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 922aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 923aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 924aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 925aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 92799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 9285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 9295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 930ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 931ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 932ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 933ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 934ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 93570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 9368d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 9378d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 9388d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 9398d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 9408d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 9416cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 9426cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 94370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 944fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 945fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 946fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 94770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 94870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 94970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 95070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 95186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 95286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 9536cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 9546cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 95586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 95686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 95786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 95886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 95986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 96086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 96186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 96286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 96370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 96470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 96570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 96670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 96770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 96870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 96970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 97070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 97170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 97286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 97386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 97486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 97586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 97686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 97786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 97886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 97986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 98086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 98170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 98270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 98370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 98470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 98570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 98670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 98770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 98870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 98970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 99070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 99170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 99270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 99370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 99470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 99570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 99670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 99770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 99870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 99970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 100070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 100170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 100270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 100470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 100570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 100670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 100870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 100970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 101070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 101170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 101270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 101370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 101470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 101570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 101670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 101770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 101870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 101970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 102070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 102170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 102270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 10238a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 10248a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 10258d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 10268d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 102770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 102870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 102970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 103070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 103170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 103270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 103370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 103470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 103586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 103686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 103786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 103886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 103986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 104086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 104186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 104286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 104386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 104486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 104570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 104670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1047ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1048ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1049ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1050ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1051ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 105270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 10535536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 105470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 105570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 105670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 105770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 105886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 10595536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 106086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 10615536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 10625536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 10635536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 106470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 106570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 106670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 106770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 106870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 106970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 107070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 107170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 107270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 10738d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 10748d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 10758d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 10768d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 10778d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 10788d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 107970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 108070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 108170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 108270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 108370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 108470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 108570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 108670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(); 108770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 108870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, 0); 108970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 109070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 109170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 109270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 109370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 109470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 109570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 109670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 109770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 109870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1099aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1100aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 1101aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 1102aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1103aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 1104aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 1105aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1106aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 11078f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 11088f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 11098f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 11108f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 11118f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1112aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1113aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1114aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1115aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 111670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 111770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 111870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 111970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 112070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.unbindMeshBuffer(); 112170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 112270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 112370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, vertices); 1124cf28957c89127ccfc82d535903c776124665446aDavid Li if (mTexCoordsSlot >= 0) { 11258d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy glVertexAttribPointer(mTexCoordsSlot, 2, GL_FLOAT, GL_FALSE, gMeshStride, texCoords); 11268d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 112770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 112870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 11295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 11305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase mCaches.unbindMeshBuffer(); 11315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 11325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase gVertexStride, vertices); 11335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 11355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 11365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 113799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 113899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 113999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 114099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 114199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 114299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 114399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 114499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 11455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 114699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 114799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase GLvoid* lengthCoords, float boundaryWidthProportion) { 11485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase mCaches.unbindMeshBuffer(); 11495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 115099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase gAAVertexStride, vertices); 115199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 115299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 115399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 115499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 115599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 115699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 11575b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 115899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 115999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 11605b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 116199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 11625b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11635b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 116470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 116570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glDisableVertexAttribArray(mTexCoordsSlot); 116670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 116770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 116870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1169f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1170f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1171f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 11727b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guybool OpenGLRenderer::drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, 11737b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy Rect& dirty, uint32_t level) { 11747b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (quickReject(0.0f, 0.0f, width, height)) { 11757b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy return false; 11767b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy } 11777b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 11780fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 11790fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 11800fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy if (displayList) { 1181cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return displayList->replay(*this, dirty, level); 11820fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 11837b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 1184daf98e941e140e8739458126640183b9f296a2abChet Haase return false; 11850fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 11860fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1187a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1188a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1189a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1190a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1191a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1192a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1193a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1194a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1195a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1196a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1197a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1198a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1199a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1200a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1201a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1202a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1203a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1204a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1205a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 12065b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 12075b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 12085b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1209a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1210a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1211a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1212a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1213a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1214a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1215a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1216a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1217a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1218a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1219a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1220a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1221a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1222a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1223a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1224a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 12255c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 12266926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 12276926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 12286926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 12296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 12306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 12316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 12326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 123386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 12348164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 12359cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 123622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 123722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1238a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (bitmap->getConfig() == SkBitmap::kA8_Config) { 1239a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1240a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1241a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1242a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 12438ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 12448ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 12455c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1246f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1247f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1248f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1249f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 12506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 12516926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 12526926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 12536926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 125486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 12558164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 12569cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 125722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 125822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 12595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 12605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 12615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 12625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 12635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 12645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1265f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1266f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 12675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 12685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 12695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 12705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 12715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 12725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 12735a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12745a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy glActiveTexture(gTextureUnits[0]); 12755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 12765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 12775a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 12785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 12795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 12815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 12825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 12835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 12855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1286b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1287b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1288b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1289b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1290b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1291b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1292b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = hasLayer(); 1293b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1294b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = false; 1295b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1296b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1297a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1298a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 12995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 13005a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 13015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 13025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 13035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 13055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 13065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 13075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 13085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 13105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 13115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 13125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 13135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 13145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 13155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 13165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 13175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 13195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 13205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 13215a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13225a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 13235a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 13245a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1325b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1326b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1327b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1328b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1329b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1330b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1331b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1332b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1333b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1334b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 13355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 13365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 13375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1338b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1339b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1340b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1341b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1342b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1343b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 13445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 13455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1346b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 13475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 13485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13498ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 13508ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 13518ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 13525c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 13536926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 13546926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13556926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13566926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1357746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 13588164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13599cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 136022158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 13618164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 13628ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 13638ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 13648ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1365c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 13668ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u1 = srcLeft / width; 13678ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v1 = srcTop / height; 13688ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u2 = srcRight / width; 13698ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v2 = srcBottom / height; 1370c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 137103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 13728ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 13738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 137403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 137503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 137603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 137703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 13786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 13796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 13806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 13816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 13826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 13836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 13846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 13856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 13866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 13876620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 13886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 13896620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 13906620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 13918ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 13928ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1393ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1394ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 13954aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 13964bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 13975c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 13986926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 13996926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14006926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14016926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1402746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 14038164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14049cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 140522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 14068164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1407f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1408f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1409f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1410f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1411f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 14122728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 14134bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1414f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1415a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy if (mesh && mesh->verticesCount > 0) { 14166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1417a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 14185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 14198168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1420c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1421c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 14225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 14235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 14248ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 14256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 1426c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1427c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1428c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 14296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1430c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1431c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 14326620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 14335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 14345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1435a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 14365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 14376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 14386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 14396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 14406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 14416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 14426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 14436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 14446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 14456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 14466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 14476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 14486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 14496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 14506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1451054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1452f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1453f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 145499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 145599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 145699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 145799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 145899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 145999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 146099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 146199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 146299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 146399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 146499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 146599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 146699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 146799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 146899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 146999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 147099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 147199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 14728a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 14738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (mSnapshot->isIgnored()) return; 14748a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 14758a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 147699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 147799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 147899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 14798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 14808a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 14818a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 148299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 148399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 148499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 14858a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 14868a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 14878a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 14885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 14895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 14905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Polyline: account for extra vertices needed for continous tri-strip 149199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 149299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 149399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 149499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 149599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 149699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 149799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 149899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!mSnapshot->transform->isPureTranslate()) { 149999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 150099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 150199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 150299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 150399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 150499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 150599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 150699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float scaleX = sqrt(m00*m00 + m01*m01); 150799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float scaleY = sqrt(m10*m10 + m11*m11); 150899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 150999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 151099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 151199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 151299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 151399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 15145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 15168a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 15178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 15188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 15198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 15208a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 15218a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 15228a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 15238a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 15248a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 15258a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawBlending(true, mode); 15268a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 15278a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawBlending(mode); 15288a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 15298a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 15308a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 15318a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 15328a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 15338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 15348a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 15358a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 15368a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 153799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 153899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 15395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 154099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 15415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 15435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 154499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 154599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 15465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 15475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 15485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 154999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 155099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 155199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 15525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 15535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 155499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 155599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 155699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 155799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 15585b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 15595b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 156099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 156199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1562740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 156399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 156499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 156599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 156699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 15675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 15685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 15695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 15705b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 157199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 157299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 157399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 15745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 15755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 157699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 15778a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 15788a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 15798a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 15808a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 15818a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 15828a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 15838a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 15848a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 15858a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 15865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 158799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 158899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 158999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 159099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 159199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 159299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 159399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 159499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 159599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 159699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 159799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 159899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 159999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 160099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 16015b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 16025b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 16035b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 16045b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 16055b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 160699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 160799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 160899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 160999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 161099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 161199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 161299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 161399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 161499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 161599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 161699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 161799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 161899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 161999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 162099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 162199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 162299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 162399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 16245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 16255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 16265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 16275b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 16285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 16295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 163099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 16315b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 16325b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 16335b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 16345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 16355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 16365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 16375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 16385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 16395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 16405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 16415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 16425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 16435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 16445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 16455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 16465b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 16475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 16485b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 16495b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 16505b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 16515b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 16525b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 16535b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 165499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 165599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 165699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 165799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 165899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 165999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 166099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 166199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 166299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 166399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 166499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 166599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 166699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 166799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 166899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 166999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 167099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 167199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 167299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 167399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 16745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 16755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 16765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 16775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 16785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 167999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 168099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 168199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 16825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 16835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 168499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 168599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 168699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 168799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 16885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 16895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 16905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 169199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 169299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 169399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 16945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 16955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 16965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 16975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 16985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 16995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 17005b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1701ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 1702ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 1703ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1704ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 1705ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 1706ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 17075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 1708ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 17098a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 1710ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 17118a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 17128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 17138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 17148a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 17158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 1716ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 1717ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 1718ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1719ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1720ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 1721ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 1722ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1723ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 1724ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 1725ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1726ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 17278a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 1728ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 1729ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 1730ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 1731ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 1732ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 17338a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 1734ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 1735ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 1736ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 1737ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 1738ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 1739ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1740ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 1741ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 1742ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 17438a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 17448a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 17458a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 17468a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 17478a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1748ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 1749ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1750ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 1751ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1752ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 175385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 1754e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 1755af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1756e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 1757ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 1758ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 175970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 17603d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 1761c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 17629d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1763c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 176401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 176501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 176601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 176701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 176801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 176901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 177001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 177101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 177201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1773c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 1774c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 177501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 177601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 177701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 1778c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 1779c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 1780c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 1781c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 178201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1783c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 1784c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 1785c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 1786c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 178701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 1788c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 1789c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 179001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1791c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 1792c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 179301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1794c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 1795c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 1796c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 1797c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 1798c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 17998b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 18008b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 18018b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 18028b2f5267f16c295f12faab810527cd6311997e34Romain Guy 18038b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 18048b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 18058b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 18068b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 18078b2f5267f16c295f12faab810527cd6311997e34Romain Guy 18088b2f5267f16c295f12faab810527cd6311997e34Romain Guy glActiveTexture(gTextureUnits[0]); 18098b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 18108b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 18118b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 18128b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 18138b2f5267f16c295f12faab810527cd6311997e34Romain Guy 1814c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 1815c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 1816c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 1817c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 1818c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 1819c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 1820c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 182101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 182201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 18235c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 1824c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 1825c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 1826c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 1827c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 1828c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 18296926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 18306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 18316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 18326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1833026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 1834746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1835a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 1836a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1837a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1838a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 1839a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1840a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1841a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 1842026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1843026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1844026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 1845026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy drawColorRect(left, top, right, bottom, color, mode); 1846c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 18479d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1848e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 1849e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy float x, float y, SkPaint* paint) { 1850b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (text == NULL || count == 0) { 1851e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 1852e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1853af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1854e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 1855f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy paint->setAntiAlias(true); 1856e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 1857a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy float length = -1.0f; 1858e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 1859e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 1860e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1861e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 1862e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1863e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 1864e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1865e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 1866e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1867e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 1868e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1869e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1870e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 18713a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 18723a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 18736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 18746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 18756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 18766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 18776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 18786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1879b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 1880b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 1881fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 1882e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 188386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 188486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 188586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 18869d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 18871e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 1888b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 1889fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get(paint, text, bytesCount, 18901e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy count, mShadowRadius); 18911e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 18920a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1893740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 1894740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 189586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 189686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 1897740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 1898740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 1899740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 1900740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 190186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 190286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 190386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 190486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 1905740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 1906740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 1907740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 190886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 190986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 1910740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 191186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 191286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 1913740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 1914740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 191586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 19160a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 19170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1918740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 191986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 19201e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 19211e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 1922b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (paint->getAlpha() == 0 && paint->getXfermode() == NULL) { 1923b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy return; 1924b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy } 1925b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy 19266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 19276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 19286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 19296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 19306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 19315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 193286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 193386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 193486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 193586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 193686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 193786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 193886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 193986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 194086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 194186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 194286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 194386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 194486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 194586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 194606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 19476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 19485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 19495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 19505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 1951f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = hasLayer(); 19525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 1953f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = false; 19545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 195503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 1956894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 1957894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk // Tell font renderer the locations of position and texture coord 1958894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk // attributes so it can bind its data properly 1959894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk int positionSlot = mCaches.currentProgram->position; 1960894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk fontRenderer.setAttributeBindingSlots(positionSlot, mTexCoordsSlot); 19616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 1962f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 19635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 1964f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 19656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 19666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 19676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1968f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 19695b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 19705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 19715b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1972694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1973694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 1974fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 1975a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy 19763a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 1977694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 1978694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 19797fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 1980af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1981dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 198201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 19837fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1984fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 19859cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 198622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 19877fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 19888b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 19898b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 19908b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 199101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 19927fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 19937fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1994ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 1995ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 19966c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 19976c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 19986c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 19996c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glActiveTexture(gTextureUnits[0]); 20006c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 20016c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 20026c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 20036c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 20046c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2005ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->alpha = alpha; 2006ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->mode = mode; 20076c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2008f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2009c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (!layer->region.isEmpty()) { 2010c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 201140667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2012c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 20138168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2014c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2015c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2016c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2017c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 20188168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2019c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 2020c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawBlending(layer->blend || layer->alpha < 255, layer->mode, false); 2021c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 202240667676e542a9daeafeac9904c30004e8706fd3Romain Guy setupDrawModelViewTranslate(x, y, 202340667676e542a9daeafeac9904c30004e8706fd3Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2024c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2025c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 2026c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawTexture(layer->texture); 2027c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2028c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2029c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2030c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2031c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2032c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 20333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 20343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 20353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 20363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2037c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2038f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2039f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2040ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2041ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2042f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 20436c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 20446c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 20456926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2046d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2047d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2048d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2049d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 205006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 205106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 205206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 205306f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 205406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 205506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2056fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 205706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 20587fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 20597fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2060d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2061db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2062db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2063db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2064db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2065db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2066db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2067db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2068db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2069db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2070db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2071db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2072db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 20731e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 20741e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 20751e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 20761e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 20771e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 20781e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 20791e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 20801e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 20811e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 20821e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 20831e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 20841e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 20851e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 20861e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 20871e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 20881e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 20896926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 20906926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 20916926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 209201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 209301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 209401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 209501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 209601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 209701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 209801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 209901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 210001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 210101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 210201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 210301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 210401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 210501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 210601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 210701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 210801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 210901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 211001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 211101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 211201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 211301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 211401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 211501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 211601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 211701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 211801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 211901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 212001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2121f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 21220a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 21230a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 21240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 21250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 21260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 21270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 21280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 21290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 21300a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 21310a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 21320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 21330a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 21340a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy underlineWidth = paint->measureText(text, bytesCount); 21350a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 21360a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 21370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 21380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy switch (paint->getTextAlign()) { 21390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 21400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 21410a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 21420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 21430a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 21440a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 21450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 21460a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 21470a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 21480a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 21490a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 2150e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float textSize = paint->getTextSize(); 2151f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy // TODO: Support stroke width < 1.0f when we have AA lines 2152f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 21530a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2154e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 21550a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2156e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2157f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2158f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2159f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2160f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2161f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2162e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2163e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 21640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 21650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 21660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2167e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2168e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2169e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2170e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 21710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 21720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 21730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 21740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2175e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2176e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2177e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2178e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 21790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2180e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2181e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy SkPaint linesPaint(*paint); 2182e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy linesPaint.setStrokeWidth(strokeWidth); 2183e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2184e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy drawLines(&points[0], pointsCount, &linesPaint); 21850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 21860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 21870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 21880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2189026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 21901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2191d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 219206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2193d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2194d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2195d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 219670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 219770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 219870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 219970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 220070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 220170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 220270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 220370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 220470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 220570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 220670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2207c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2208c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2209c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2210c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 221182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 22128164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 221382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 221482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 221582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 221682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 22178164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 22188164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 22196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 22206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 22216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 22226620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 22236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 22246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 22256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 22266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 22276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 22286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 22296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 22306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 223185bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 223285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2233bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2234a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2235a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 223603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2237f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2238f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2239f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2240a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 22416820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 22425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 22438694230ff25fa0a60e480d424843e56b718f0516Romain Guy 224470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 224570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 224670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 224770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 224870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 224970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 225070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 225170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2252db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 22535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 225470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 225503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 225670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2257db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 225886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 225970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 226070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 226170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2262db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 22636820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 226470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 226570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 226682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 226782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2268a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2269f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 227082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 227182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 2272a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode < SkXfermode::kPlus_Mode) { 2273a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mCaches.blend) { 2274a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glEnable(GL_BLEND); 2275a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 227682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2277f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 2278f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 227982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2280a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 2281a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glBlendFunc(sourceMode, destMode); 2282a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastSrcMode = sourceMode; 2283a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastDstMode = destMode; 2284a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2285a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2286a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // These blend modes are not supported by OpenGL directly and have 2287a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // to be implemented using shaders. Since the shader will perform 2288a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // the blending, turn blending off here 2289746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (mCaches.extensions.hasFramebufferFetch()) { 2290a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2291f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2292a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2293a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 2294a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mCaches.blend) { 2295a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glDisable(GL_BLEND); 2296a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2297a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy blend = false; 229882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2299fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 230082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 230182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2302fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2303bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2304bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2305889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2306d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2307fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2308d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2309fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 23106926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2311260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 23126926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2313260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2314260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2315026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2316ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 231782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 231882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 231982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 232082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 23218ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 23228ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 23235c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 23248ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 2325746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2326a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(paint->getXfermode(), mode); 2327a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2328a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2329a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = SkXfermode::kSrcOver_Mode; 2330a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2331a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2332a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = getXfermode(paint->getXfermode()); 23338ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 23348ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 23358ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 23368ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 23378ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 23388ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 23398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 23408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 23418ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 23428ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 23438ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 23448ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 23458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2346026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2347026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2348a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2349b37cbec6d06578a72bdd9c2caa3fd964ade71c53Romain Guy // In the future we should look at unifying the Porter-Duff modes and 2350b37cbec6d06578a72bdd9c2caa3fd964ade71c53Romain Guy // SkXferModes so that we can use SkXfermode::IsMode(xfer, &mode). 2351a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode == NULL) { 2352a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return SkXfermode::kSrcOver_Mode; 2353a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2354a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return mode->fMode; 2355a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2356a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 2357746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guyvoid OpenGLRenderer::setTextureWrapModes(Texture* texture, GLenum wrapS, GLenum wrapT) { 23588164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bool bound = false; 23598164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapS != texture->wrapS) { 23608164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 23618164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bound = true; 23628164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapS); 23638164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapS = wrapS; 23648164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 23658164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapT != texture->wrapT) { 23663e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy if (!bound) { 23673e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 23683e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy } 23698164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapT); 23708164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapT = wrapT; 23718164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 2372a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 2373a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 23749d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2375e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2376