OpenGLRenderer.cpp revision 54be1cdf3d63095512120fa7ced5c16e462abffa
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[] = { 66f504a2fa144504ca1efd39a4ef9208e3d4d336c5Romain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 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[] = { 84f504a2fa144504ca1efd39a4ef9208e3d4d336c5Romain Guy { SkXfermode::kClear_Mode, GL_ONE_MINUS_DST_ALPHA, 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 47954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Enqueue the buffer coordinates to clear the corresponding region later 48054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.push(new Rect(bounds)); 481ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 482eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 483f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 484d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 485bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 486bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 4885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 4895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->fbo = mCaches.fboCache.get(); 4905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 4925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 4935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 4945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 4955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 4975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 4985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 4995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 5015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 5035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 5045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 5065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 5085ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 5095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 5115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->fbo = layer->fbo; 5125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 5135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 5145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 5155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 5165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 5175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 5185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 5205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->fbo); 5215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 5225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 5245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->empty) { 5255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->empty = false; 5265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->width, layer->height, 0, 5275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GL_RGBA, GL_UNSIGNED_BYTE, NULL); 5285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 5315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->texture, 0); 5325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 5345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 5355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 5365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy LOGE("Framebuffer incomplete (GL error code 0x%x)", status); 5375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 5395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDeleteTextures(1, &layer->texture); 5405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mCaches.fboCache.put(layer->fbo); 5415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 5435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 5455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 5495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 5505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 5515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 5525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 5535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 5575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 5585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 5595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 5615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 5651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 5661d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 5671d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 5681d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LOGE("Attempting to compose a layer that does not exist"); 5691d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 5701d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5711d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 573eb99356a0548684a501766e6a524529ab93304c8Romain Guy 574eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 575eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 576eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 577eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 578eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5791d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 5801d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 5811d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 582eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (!fboLayer && layer->alpha < 255) { 583f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 5841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy layer->alpha << 24, SkXfermode::kDstIn_Mode, true); 5855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 5865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha = 255; 587f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 588f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 58903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 5908b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 591746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 5925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 5945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 595eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 5965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 597171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy if (layer->colorFilter) { 598171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy setupColorFilter(layer->colorFilter); 599171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 601171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy if (layer->colorFilter) { 602171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 603171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 604eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 605514fb18827186591d66973c2362c859b64b63556Romain Guy if (!rect.isEmpty()) { 606514fb18827186591d66973c2362c859b64b63556Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 607514fb18827186591d66973c2362c859b64b63556Romain Guy composeLayerRect(layer, rect, true); 608514fb18827186591d66973c2362c859b64b63556Romain Guy } 609eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 6101d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 611eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 612eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 613eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 614eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 615eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 616eb99356a0548684a501766e6a524529ab93304c8Romain Guy 617eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 618eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 619eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 620eb99356a0548684a501766e6a524529ab93304c8Romain Guy 621746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 622746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 623eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 6248550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 6251d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 6261d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy glDeleteTextures(1, &layer->texture); 6271d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 6281d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6291d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 6301d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 631aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::drawTextureLayer(Layer* layer, const Rect& rect) { 632aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy float alpha = layer->alpha / 255.0f; 633aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 634aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDraw(); 6358f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy if (layer->renderTarget == GL_TEXTURE_2D) { 6368f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithTexture(); 6378f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 6388f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawWithExternalTexture(); 6398f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 6408f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransform(); 641aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 642aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilter(); 643aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawBlending(layer->blend, layer->mode); 644aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawProgram(); 645aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawModelView(rect.left, rect.top, rect.right, rect.bottom); 646aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawPureColorUniforms(); 647aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawColorFilterUniforms(); 6488f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy if (layer->renderTarget == GL_TEXTURE_2D) { 6498f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTexture(layer->texture); 6508f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } else { 6518f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawExternalTexture(layer->texture); 6528f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy } 6538f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy setupDrawTextureTransformUniforms(layer->texTransform); 654aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy setupDrawMesh(&mMeshVertices[0].position[0], &mMeshVertices[0].texture[0]); 655aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 656aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 657aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 658aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy finishDrawTexture(); 659aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 660aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 6615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 662aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy if (!layer->isTextureLayer) { 663aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy const Rect& texCoords = layer->texCoords; 664aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, 665aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy texCoords.right, texCoords.bottom); 6665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 667aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureMesh(rect.left, rect.top, rect.right, rect.bottom, layer->texture, 668aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy layer->alpha / 255.0f, layer->mode, layer->blend, &mMeshVertices[0].position[0], 669aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy &mMeshVertices[0].texture[0], GL_TRIANGLE_STRIP, gMeshCount, swap, swap); 6705b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 671aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 672aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } else { 673aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 1.0f, 1.0f, 0.0f); 674aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy drawTextureLayer(layer, rect); 675aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 676aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy } 6775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 6805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 6815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 6829fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy layer->setRegionAsRect(); 6839fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 68440667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 6859fc27819d75e24ad63d7b383d80f5cb66a577a0dRomain Guy 6865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 6875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 6885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!layer->region.isEmpty()) { 6915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 6925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 6935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float alpha = layer->alpha / 255.0f; 6955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texX = 1.0f / float(layer->width); 6965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texY = 1.0f / float(layer->height); 697f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 6985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 7005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 7015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7027230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 7037230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 7047230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 705ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 7067230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawBlending(layer->blend || layer->alpha < 255, layer->mode, false); 7077230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 7087230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 7097230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 710ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 7117230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawTexture(layer->texture); 712c038ea358aadca082198f3effc550d33135bf426Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 7137230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0]); 7145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 7165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 7175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 719f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 7205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 721f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 7225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 7245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 7255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 7265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 7275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 7285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 7305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 7325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 7345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 7355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 7395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 7437230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 7445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 7463a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 7475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 7505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 7525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 7535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7563a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 7573a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 7583a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 7593a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 7603a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7613a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 7623a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 7633a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 7643a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 7653a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7663a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 7673a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 7683a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7693a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 7703a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 7713a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 7723a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 7733a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 7743a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7753a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 7763a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 7773a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 7783a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 7793a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 7803a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 7813a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 7845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 785f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 7865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 7875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 788f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 7895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 7955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 796f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 7975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 798f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 7991bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 8001bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 8011bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 8021bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 8031bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 8041bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 8051bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 8061bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 8071bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 8081bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 8091bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 8105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 8125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 8135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 8145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 81554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::clearLayerRegions() { 81654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy const size_t count = mLayers.size(); 81754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (count == 0) return; 81854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 81954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (!mSnapshot->isIgnored()) { 82054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // Doing several glScissor/glClear here can negatively impact 82154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // GPUs with a tiler architecture, instead we draw quads with 82254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // the Clear blending mode 82354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 82454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // The list contains bounds that have already been clipped 82554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // against their initial clip rect, and the current clip 82654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy // is likely different so we need to disable clipping here 82754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDisable(GL_SCISSOR_TEST); 82854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 82954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex mesh[count * 6]; 83054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex* vertex = mesh; 83154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 83254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 83354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Rect* bounds = mLayers.itemAt(i); 83454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 83554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 83654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->top); 83754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 83854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->left, bounds->bottom); 83954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->top); 84054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy Vertex::set(vertex++, bounds->right, bounds->bottom); 84154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 84254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete bounds; 84354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 84454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 84554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDraw(false); 84654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawColor(0.0f, 0.0f, 0.0f, 1.0f); 84754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawBlending(true, SkXfermode::kClear_Mode); 84854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawProgram(); 84954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawPureColorUniforms(); 85054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy setupDrawModelViewTranslate(0.0f, 0.0f, 0.0f, 0.0f, true); 85154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 85254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mCaches.unbindMeshBuffer(); 85354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 85454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy gVertexStride, &mesh[0].position[0]); 85554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glDrawArrays(GL_TRIANGLES, 0, count * 6); 85654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 85754be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy glEnable(GL_SCISSOR_TEST); 85854be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } else { 85954be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy for (uint32_t i = 0; i < count; i++) { 86054be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy delete mLayers.itemAt(i); 86154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 86254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy } 86354be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 86454be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mLayers.clear(); 86554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy} 86654be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy 867bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 868f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 869f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 870f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 871f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 8728aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 873f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 874f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 875f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 8768aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 877f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 878f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 879f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 8808aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 881f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 882f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 883807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 884807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 885807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 886807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 887f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 8888aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->load(*matrix); 889f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 890f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 89141030da16856c8869e1e51d4a0405432fa96614eRomain Guyconst float* OpenGLRenderer::getMatrix() const { 89299bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy if (mSnapshot->fbo != 0) { 89399bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mSnapshot->transform->data[0]; 89499bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy } 89599bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mIdentity.data[0]; 89641030da16856c8869e1e51d4a0405432fa96614eRomain Guy} 89741030da16856c8869e1e51d4a0405432fa96614eRomain Guy 898f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 8998aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 900f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 901f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 902f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 903e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 904e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 905e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 906e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 907f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 908f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 909f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 910f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 911f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 912f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 913bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 914e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 915e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 916eb99356a0548684a501766e6a524529ab93304c8Romain Guy glScissor(clip.left, mSnapshot->height - clip.bottom, clip.getWidth(), clip.getHeight()); 917746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 9189d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 9199d5316e3f56d138504565ff311145ac01621dff4Romain Guy 9209d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 921079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 922bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 923bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 924c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 925af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 926dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 927dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 928dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 9291d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 9308aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 931d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 932d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 933d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 934d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 935d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 936d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 937c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 938c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 939079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 940079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 9417ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 942746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 9437ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 9448aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 945e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 946e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 947f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 94870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 94970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 95070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 95154be1cdf3d63095512120fa7ced5c16e462abffaRomain Guyvoid OpenGLRenderer::setupDraw(bool clear) { 95254be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy if (clear) clearLayerRegions(); 95370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 95470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 95570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 95670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 95770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 95870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 95970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 96070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 96170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 9628d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mTexCoordsSlot = -1; 96370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 96470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 96570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 96670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 96770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 96870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 96970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 970aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawWithExternalTexture() { 971aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mDescription.hasExternalTexture = true; 972aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 973aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 9745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawAALine() { 97599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mDescription.isAA = true; 9765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 9775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 978ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 979ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 980ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 981ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 982ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 98370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 9848d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 9858d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 9868d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 9878d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 9888d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 9896cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Second divide of a by 255 is an optimization, allowing us to simply multiply 9906cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 99170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 992fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 993fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 994fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 99570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 99670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 99770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 99870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 99986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 100086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 10016cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // Double-divide of a by 255 is an optimization, allowing us to simply multiply 10026cfdf4538049e4b96f50d8c0fe3119664420cc34Chet Haase // the rgb values by a instead of also dividing by 255 100386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 100486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 100586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 100686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 100786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 100886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 100986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 101086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 101170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 101270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 101370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 101470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 101570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 101670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 101770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 101870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 101970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 102086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 102186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 102286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 102386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 102486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 102586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 102686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 102786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 102886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 102970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 103070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 103170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 103270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 103370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 103470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 103570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 103670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 103770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 103870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 103970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 104070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1041f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guyvoid OpenGLRenderer::accountForClear(SkXfermode::Mode mode) { 1042f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy if (mColorSet && mode == SkXfermode::kClear_Mode) { 1043f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorA = 1.0f; 1044f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy mColorR = mColorG = mColorB = 0.0f; 104554be1cdf3d63095512120fa7ced5c16e462abffaRomain Guy mSetShaderColor = mDescription.modulate = true; 1046f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy } 1047f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy} 1048f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy 104970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 1050f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1051f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1052f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 105370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 105470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 105570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 105670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 105770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 1058f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // When the blending mode is kClear_Mode, we need to use a modulate color 1059f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy // argb=1,0,0,0 1060f09ef51889f75289b041f9e9f949b7b82ed5b686Romain Guy accountForClear(mode); 106170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 106270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 106370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 106470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 106570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 106670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 106770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 106870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 106970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 107070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 107170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 107270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 107370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 107470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 107570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 107670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 107770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 107870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 107970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 108070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 108170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 108270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 108370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 108470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 10858a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::setupDrawModelViewIdentity(bool offset) { 10868a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform, offset); 10878d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 10888d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 108970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 109070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 109170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 109270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 109370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 109470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 109570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 109670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 109786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 109886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 109986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 110086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 110186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 110286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 110386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 110486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 110586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 110686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 110770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 110870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1109ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 1110ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 1111ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 1112ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1113ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 111470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 11155536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 111670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 111770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 111870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 111970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 112086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 11215536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 112286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 11235536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 11245536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 11255536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 112670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 112770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 112870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 112970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 113070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 113170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 113270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 113370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 113470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 11358d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 11368d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 11378d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 11388d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 11398d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 11408d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 114170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 114270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 114370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 114470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 114570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 114670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 114770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 114870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(); 114970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 115070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, 0); 115170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 115270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 115370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 115470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 115570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 115670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 115770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 115870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 115970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 116070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 1161aa6c24c21c727a196451332448d4e3b11a80be69Romain Guyvoid OpenGLRenderer::setupDrawExternalTexture(GLuint texture) { 1162aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy bindExternalTexture(texture); 1163aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 1164aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 1165aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 1166aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 1167aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1168aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 11698f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransform() { 11708f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy mDescription.hasTextureTransform = true; 11718f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy} 11728f0095cd33558e9cc8a440047908e53b68906f5fRomain Guy 11738f0095cd33558e9cc8a440047908e53b68906f5fRomain Guyvoid OpenGLRenderer::setupDrawTextureTransformUniforms(mat4& transform) { 1174aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy glUniformMatrix4fv(mCaches.currentProgram->getUniform("mainTextureTransform"), 1, 1175aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy GL_FALSE, &transform.data[0]); 1176aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy} 1177aa6c24c21c727a196451332448d4e3b11a80be69Romain Guy 117870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 117970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 118070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 118170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 118270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.unbindMeshBuffer(); 118370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 118470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 118570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, vertices); 1186cf28957c89127ccfc82d535903c776124665446aDavid Li if (mTexCoordsSlot >= 0) { 11878d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy glVertexAttribPointer(mTexCoordsSlot, 2, GL_FLOAT, GL_FALSE, gMeshStride, texCoords); 11888d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 118970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 119070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 11915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haasevoid OpenGLRenderer::setupDrawVertices(GLvoid* vertices) { 11925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase mCaches.unbindMeshBuffer(); 11935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 11945b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase gVertexStride, vertices); 11955b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 11965b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 11975b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase/** 11985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase * Sets up the shader to draw an AA line. We draw AA lines with quads, where there is an 119999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * outer boundary that fades out to 0. The variables set in the shader define the proportion of 120099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * the width and length of the primitive occupied by the AA region. The vtxWidth and vtxLength 120199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * attributes (one per vertex) are values from zero to one that tells the fragment 120299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * shader where the fragment is in relation to the line width/length overall; these values are 120399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * then used to compute the proper color, based on whether the fragment lies in the fading AA 120499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * region of the line. 120599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * Note that we only pass down the width values in this setup function. The length coordinates 120699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase * are set up for each individual segment. 12075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase */ 120899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haasevoid OpenGLRenderer::setupDrawAALine(GLvoid* vertices, GLvoid* widthCoords, 120999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase GLvoid* lengthCoords, float boundaryWidthProportion) { 12105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase mCaches.unbindMeshBuffer(); 12115b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 121299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase gAAVertexStride, vertices); 121399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int widthSlot = mCaches.currentProgram->getAttrib("vtxWidth"); 121499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(widthSlot); 121599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(widthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, widthCoords); 121699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int lengthSlot = mCaches.currentProgram->getAttrib("vtxLength"); 121799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glEnableVertexAttribArray(lengthSlot); 121899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase glVertexAttribPointer(lengthSlot, 1, GL_FLOAT, GL_FALSE, gAAVertexStride, lengthCoords); 12195b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int boundaryWidthSlot = mCaches.currentProgram->getUniform("boundaryWidth"); 122099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 122199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // Setting the inverse value saves computations per-fragment in the shader 12225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int inverseBoundaryWidthSlot = mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 122399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 12245b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 12255b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 122670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 122770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glDisableVertexAttribArray(mTexCoordsSlot); 122870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 122970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 123070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1231f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1232f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1233f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 12347b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guybool OpenGLRenderer::drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, 12357b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy Rect& dirty, uint32_t level) { 12367b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (quickReject(0.0f, 0.0f, width, height)) { 12377b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy return false; 12387b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy } 12397b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 12400fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 12410fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 12420fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy if (displayList) { 1243cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return displayList->replay(*this, dirty, level); 12440fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 12457b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 1246daf98e941e140e8739458126640183b9f296a2abChet Haase return false; 12470fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 12480fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1249ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haasevoid OpenGLRenderer::outputDisplayList(DisplayList* displayList, uint32_t level) { 1250ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase if (displayList) { 1251ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase displayList->output(*this, level); 1252ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase } 1253ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase} 1254ed30fd8e9a2d65ee5c8520de55b0089c219f390cChet Haase 1255a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1256a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1257a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1258a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1259a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1260a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1261a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1262a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1263a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1264a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1265a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1266a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1267a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1268a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1269a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1270a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1271a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1272a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1273a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 12745b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 12755b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 12765b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1277a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1278a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1279a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1280a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1281a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1282a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1283a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1284a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1285a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1286a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1287a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1288a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1289a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1290a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1291a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1292a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 12935c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 12946926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 12956926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 12966926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 12976926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 12986926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 12996926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13006926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 130186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 13028164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13039cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 130422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 130522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1306a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (bitmap->getConfig() == SkBitmap::kA8_Config) { 1307a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1308a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1309a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1310a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 13118ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 13128ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 13135c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1314f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1315f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1316f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1317f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 13186926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 13196926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 13206926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 13216926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 132286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 13238164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13249cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 132522158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 132622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 13275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 13285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 13295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 13305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 13315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 13325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1333f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1334f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 13355a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 13365a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 13375a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 13385a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 13395a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 13405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 13415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13425a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy glActiveTexture(gTextureUnits[0]); 13435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 13455a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 13465a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 13475a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13485a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 13495a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 13505a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 13515a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13525a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 13535a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1354b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1355b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1356b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1357b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1358b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1359b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1360b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = hasLayer(); 1361b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1362b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = false; 1363b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1364b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1365a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1366a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 13675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 13685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 13695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 13705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 13715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 13735a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 13745a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 13755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 13765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13775a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 13785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 13795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 13805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 13815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 13825a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 13835a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 13845a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 13855a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13865a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 13875a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 13885a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 13895a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 13905a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 13915a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 13925a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1393b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1394b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1395b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1396b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1397b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1398b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1399b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1400b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1401b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1402b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 14035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 14055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1406b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1407b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1408b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1409b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1410b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1411b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 14125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 14135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1414b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 14155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 14165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 14178ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 14188ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 14198ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 14205c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 14216926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 14226926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14236926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14246926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1425746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 14268164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14279cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 142822158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 14298164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 14308ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 14318ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 14328ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1433c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 14341e59f9d10d164f156221f6d34b932f06cdd29f1fRomain Guy const float u1 = (srcLeft + 0.5f) / width; 14351e59f9d10d164f156221f6d34b932f06cdd29f1fRomain Guy const float v1 = (srcTop + 0.5f) / height; 14361e59f9d10d164f156221f6d34b932f06cdd29f1fRomain Guy const float u2 = (srcRight - 0.5f) / width; 14371e59f9d10d164f156221f6d34b932f06cdd29f1fRomain Guy const float v2 = (srcBottom - 0.5f) / height; 1438c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 143903750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 14408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 14418ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 144203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 144303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 144403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 144503750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 14466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 14476620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 14486620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 14496620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 14506620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 14516620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 14526620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 14536620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 14546620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 14556620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 14566620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 14576620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 14586620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 14598ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 14608ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1461ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1462ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 14634aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 14644bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 14655c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 14666926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 14676926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 14686926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 14696926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1470746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 14718164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 14729cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 147322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 14748164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1475f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1476f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1477f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1478f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1479f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 14802728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 14814bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1482f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1483a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy if (mesh && mesh->verticesCount > 0) { 14846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1485a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 14865b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 14878168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1488c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1489c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 14905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 14915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 14928ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 14936620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 1494c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1495c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1496c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 14976620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1498c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1499c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 15006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 15015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 15025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1503a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 15045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 15056620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 15066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 15076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 15086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 15096620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 15106620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 15116620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 15126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 15136620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 15146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 15156620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 15166620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 15176620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 15186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1519054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1520f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1521f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 152299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase/** 1523858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * This function uses a similar approach to that of AA lines in the drawLines() function. 1524858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * We expand the rectangle by a half pixel in screen space on all sides, and use a fragment 1525858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * shader to compute the translucency of the color, determined by whether a given pixel is 1526858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase * within that boundary region and how far into the region it is. 1527858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase */ 1528858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haasevoid OpenGLRenderer::drawAARect(float left, float top, float right, float bottom, 1529181d0a6ccedee03789919d53c46540a8df751896Romain Guy int color, SkXfermode::Mode mode) { 1530858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleX = 1.0f; 1531858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float inverseScaleY = 1.0f; 1532858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // The quad that we use needs to account for scaling. 1533858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!mSnapshot->transform->isPureTranslate()) { 1534858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase Matrix4 *mat = mSnapshot->transform; 1535858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 1536858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 1537858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m02 = mat->data[2]; 1538858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 1539858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 1540858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float m12 = mat->data[6]; 1541858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleX = sqrt(m00 * m00 + m01 * m01); 1542858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float scaleY = sqrt(m10 * m10 + m11 * m11); 1543858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 1544858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 1545858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1546858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1547858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDraw(); 1548858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine(); 1549858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColor(color); 1550858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilter(); 1551858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShader(); 1552858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawBlending(true, mode); 1553858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawProgram(); 1554858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawModelViewIdentity(true); 1555858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorUniforms(); 1556858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawColorFilterUniforms(); 1557858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawShaderIdentityUniforms(); 1558858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1559858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex rects[4]; 1560858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex* aaVertices = &rects[0]; 1561858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 1562858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 1563858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1564858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeX = .5 * inverseScaleX; 1565858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundarySizeY = .5 * inverseScaleY; 1566858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1567858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase // Adjust the rect by the AA boundary padding 1568858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase left -= boundarySizeX; 1569858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase right += boundarySizeX; 1570858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase top -= boundarySizeY; 1571858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase bottom += boundarySizeY; 1572858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1573858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float width = right - left; 1574858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float height = bottom - top; 1575858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1576858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryWidthProportion = (width != 0) ? (2 * boundarySizeX) / width : 0; 1577858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase float boundaryHeightProportion = (height != 0) ? (2 * boundarySizeY) / height : 0; 1578858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 1579858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 1580858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase int inverseBoundaryLengthSlot = mCaches.currentProgram->getUniform("inverseBoundaryLength"); 1581858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(boundaryLengthSlot, boundaryHeightProportion); 1582858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryHeightProportion)); 1583858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1584858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase if (!quickReject(left, top, right, bottom)) { 1585858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, bottom, 1, 1); 1586858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, left, top, 1, 0); 1587858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, bottom, 0, 1); 1588858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase AAVertex::set(aaVertices++, right, top, 0, 0); 1589858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1590858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); 1591858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1592858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase} 1593858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase 1594858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase/** 159599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * We draw lines as quads (tristrips). Using GL_LINES can be difficult because the rasterization 159699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * rules for those lines produces some unexpected results, and may vary between hardware devices. 159799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The basics of lines-as-quads is easy; we simply find the normal to the line and position the 159899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * corners of the quads on either side of each line endpoint, separated by the strokeWidth 159999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * of the line. Hairlines are more involved because we need to account for transform scaling 160099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * to end up with a one-pixel-wide line in screen space.. 160199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * Anti-aliased lines add another factor to the approach. We use a specialized fragment shader 160299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * in combination with values that we calculate and pass down in this method. The basic approach 160399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * is that the quad we create contains both the core line area plus a bounding area in which 160499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * the translucent/AA pixels are drawn. The values we calculate tell the shader what 160599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * proportion of the width and the length of a given segment is represented by the boundary 160699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * region. The quad ends up being exactly .5 pixel larger in all directions than the non-AA quad. 160799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * The bounding region is actually 1 pixel wide on all sides (half pixel on the outside, half pixel 160899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * on the inside). This ends up giving the result we want, with pixels that are completely 160999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * 'inside' the line area being filled opaquely and the other pixels being filled according to 161099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase * how far into the boundary region they are, which is determined by shader interpolation. 161199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase */ 16128a5cc92a150bae38ec43732d941b38bb381fe153Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 16138a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (mSnapshot->isIgnored()) return; 16148a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 16158a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const bool isAA = paint->isAntiAlias(); 161699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We use half the stroke width here because we're going to position the quad 161799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // corner vertices half of the width away from the line endpoints 161899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float halfStrokeWidth = paint->getStrokeWidth() * 0.5f; 16198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // A stroke width of 0 has a special meaning in Skia: 16208a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // it draws a line 1 px wide regardless of current transform 16218a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase bool isHairLine = paint->getStrokeWidth() == 0.0f; 162299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleX = 1.0f; 162399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float inverseScaleY = 1.0f; 162499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase bool scaled = false; 16258a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int alpha; 16268a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase SkXfermode::Mode mode; 16278a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase int generatedVerticesCount = 0; 16285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase int verticesCount = count; 16295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (count > 4) { 1630c54ed966f78b9ee8117931859d62faa6f11fe018Chet Haase // Polyline: account for extra vertices needed for continuous tri-strip 163199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase verticesCount += (count - 4); 163299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 163399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase 163499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (isHairLine || isAA) { 163599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // The quad that we use for AA and hairlines needs to account for scaling. For hairlines 163699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // the line on the screen should always be one pixel wide regardless of scale. For 163799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // AA lines, we only want one pixel of translucent boundary around the quad. 163899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!mSnapshot->transform->isPureTranslate()) { 163999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Matrix4 *mat = mSnapshot->transform; 164099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m00 = mat->data[Matrix4::kScaleX]; 164199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m01 = mat->data[Matrix4::kSkewY]; 164299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m02 = mat->data[2]; 164399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m10 = mat->data[Matrix4::kSkewX]; 164499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m11 = mat->data[Matrix4::kScaleX]; 164599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float m12 = mat->data[6]; 164699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float scaleX = sqrt(m00*m00 + m01*m01); 164799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float scaleY = sqrt(m10*m10 + m11*m11); 164899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleX = (scaleX != 0) ? (inverseScaleX / scaleX) : 0; 164999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseScaleY = (scaleY != 0) ? (inverseScaleY / scaleY) : 0; 165099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (inverseScaleX != 1.0f || inverseScaleY != 1.0f) { 165199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase scaled = true; 165299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 165399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 16545b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 16558a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 16568a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase getAlphaAndMode(paint, &alpha, &mode); 16578a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDraw(); 16588a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 16598a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawAALine(); 16608a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 16618a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColor(paint->getColor(), alpha); 16628a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilter(); 16638a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShader(); 16648a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 16658a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawBlending(true, mode); 16668a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 16678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawBlending(mode); 16688a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 16698a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawProgram(); 16708a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 16718a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorUniforms(); 16728a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawColorFilterUniforms(); 16738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawShaderIdentityUniforms(); 16748a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase 16758a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 16768a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Set a real stroke width to be used in quad construction 167799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth = isAA? 1 : .5; 167899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (isAA && !scaled) { 16795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Expand boundary to enable AA calculations on the quad border 168099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase halfStrokeWidth += .5f; 16815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 16825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex lines[verticesCount]; 16835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex* vertices = &lines[0]; 168499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex wLines[verticesCount]; 168599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex* aaVertices = &wLines[0]; 16865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 16875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase setupDrawVertices(vertices); 16885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 168999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* widthCoords = ((GLbyte*) aaVertices) + gVertexAAWidthOffset; 169099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase void* lengthCoords = ((GLbyte*) aaVertices) + gVertexAALengthOffset; 169199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // innerProportion is the ratio of the inner (non-AA) part of the line to the total 16925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // AA stroke width (the base stroke width expanded by a half pixel on either side). 16935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // This value is used in the fragment shader to determine how to fill fragments. 169499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We will need to calculate the actual width proportion on each segment for 169599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // scaled non-hairlines, since the boundary proportion may differ per-axis when scaled. 169699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 1 / (2 * halfStrokeWidth); 169799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase setupDrawAALine((void*) aaVertices, widthCoords, lengthCoords, boundaryWidthProportion); 16985b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 16995b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 170099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase AAVertex* prevAAVertex = NULL; 170199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase Vertex* prevVertex = NULL; 1702740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 170399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int boundaryLengthSlot = -1; 170499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase int inverseBoundaryLengthSlot = -1; 170599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int boundaryWidthSlot = -1; 170699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase int inverseBoundaryWidthSlot = -1; 17075b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase for (int i = 0; i < count; i += 4) { 17085b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // a = start point, b = end point 17095b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 a(points[i], points[i + 1]); 17105b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 b(points[i + 2], points[i + 3]); 171199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase float length = 0; 171299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryLengthProportion = 0; 171399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float boundaryWidthProportion = 0; 17145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 17155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Find the normal to the line 171699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 n = (b - a).copyNormalized() * halfStrokeWidth; 17178a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 17188a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isAA) { 17198a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float wideningFactor; 17208a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (fabs(n.x) >= fabs(n.y)) { 17218a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.x); 17228a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } else { 17238a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase wideningFactor = fabs(1.0f / n.y); 17248a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 17258a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase n *= wideningFactor; 17265b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 172799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 172899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.x *= inverseScaleX; 172999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n.y *= inverseScaleY; 173099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 173199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else if (scaled) { 173299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Extend n by .5 pixel on each side, post-transform 173399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase vec2 extendedN = n.copyNormalized(); 173499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN /= 2; 173599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.x *= inverseScaleX; 173699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase extendedN.y *= inverseScaleY; 173799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float extendedNLength = extendedN.length(); 173899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // We need to set this value on the shader prior to drawing 173999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthProportion = extendedNLength / (halfStrokeWidth + extendedNLength); 174099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase n += extendedN; 17415b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17425b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase float x = n.x; 17435b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.x = -n.y; 17445b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase n.y = x; 17455b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 174699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase // aa lines expand the endpoint vertices to encompass the AA boundary 174799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (isAA) { 174899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase vec2 abVector = (b - a); 174999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase length = abVector.length(); 175099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase abVector.normalize(); 175199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (scaled) { 175299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.x *= inverseScaleX; 175399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector.y *= inverseScaleY; 175499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase float abLength = abVector.length(); 175599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = abLength / (length + abLength); 175699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } else { 175799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryLengthProportion = .5 / (length + 1); 175899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 175999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase abVector /= 2; 176099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a -= abVector; 176199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase b += abVector; 176299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 176399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 17645b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Four corners of the rectangle defining a thick line 17655b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p1 = a - n; 17665b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p2 = a + n; 17675b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p3 = b + n; 17685b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase vec2 p4 = b - n; 17695b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 177099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 17715b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 17725b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 17735b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 17745b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 17755b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 17765b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!quickReject(left, top, right, bottom)) { 17775b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (!isAA) { 17785b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevVertex != NULL) { 17795b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 17805b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 17815b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 17825b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 17835b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, prevVertex->position[0], prevVertex->position[1]); 17845b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 17855b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 17865b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 17875b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p1.x, p1.y); 17885b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p2.x, p2.y); 17895b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p4.x, p4.y); 17905b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase Vertex::set(vertices++, p3.x, p3.y); 17915b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevVertex = vertices - 1; 17925b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 17935b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } else { 179499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (!isHairLine && scaled) { 179599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // Must set width proportions per-segment for scaled non-hairlines to use the 179699ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase // correct AA boundary dimensions 179799ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase if (boundaryWidthSlot < 0) { 179899ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase boundaryWidthSlot = 179999ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("boundaryWidth"); 180099ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase inverseBoundaryWidthSlot = 180199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryWidth"); 180299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 180399ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryWidthSlot, boundaryWidthProportion); 180499ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryWidthSlot, (1 / boundaryWidthProportion)); 180599ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase } 180699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase if (boundaryLengthSlot < 0) { 180799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase boundaryLengthSlot = mCaches.currentProgram->getUniform("boundaryLength"); 180899585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase inverseBoundaryLengthSlot = 180999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase mCaches.currentProgram->getUniform("inverseBoundaryLength"); 181099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase } 181199ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(boundaryLengthSlot, boundaryLengthProportion); 181299ecdc480dd4f9b550b2a62ea39f77845a4fec49Chet Haase glUniform1f(inverseBoundaryLengthSlot, (1 / boundaryLengthProportion)); 181399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase 18145b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (prevAAVertex != NULL) { 18155b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // Issue two repeat vertices to create degenerate triangles to bridge 18165b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // between the previous line and the new one. This is necessary because 18175b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // we are creating a single triangle_strip which will contain 18185b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // potentially discontinuous line segments. 181999585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++,prevAAVertex->position[0], 182099585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase prevAAVertex->position[1], prevAAVertex->width, prevAAVertex->length); 182199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 18225b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 2; 18235b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 182499585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p4.x, p4.y, 1, 1); 182599585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p1.x, p1.y, 1, 0); 182699585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p3.x, p3.y, 0, 1); 182799585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase AAVertex::set(aaVertices++, p2.x, p2.y, 0, 0); 18285b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase prevAAVertex = aaVertices - 1; 18295b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase generatedVerticesCount += 4; 18305b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 183199585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase dirtyLayer(a.x == b.x ? left - 1 : left, a.y == b.y ? top - 1 : top, 183299585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase a.x == b.x ? right: right, a.y == b.y ? bottom: bottom, 183399585adeb4167ca357a72eb866f34c1af944f4b9Chet Haase *mSnapshot->transform); 18345b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18355b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18365b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase if (generatedVerticesCount > 0) { 18375b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase glDrawArrays(GL_TRIANGLE_STRIP, 0, generatedVerticesCount); 18385b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase } 18395b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase} 18405b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase 1841ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 1842ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 1843ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1844ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 1845ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 1846ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 18475b0200bd47e8a9a4dc8d2e6c3a110d522b30bf82Chet Haase // A stroke width of 0 has a special meaning in Skia: 1848ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 18498a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float strokeWidth = paint->getStrokeWidth(); 1850ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 18518a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase if (isHairLine) { 18528a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase // Now that we know it's hairline, we can set the effective width, to be used later 18538a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase strokeWidth = 1.0f; 18548a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase } 18558a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase const float halfWidth = strokeWidth / 2; 1856ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 1857ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 1858ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1859ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1860ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 1861ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 1862ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1863ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 1864ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 1865ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1866ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 18678a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawPoint(strokeWidth); 1868ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 1869ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 1870ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 1871ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 1872ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 18738a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase setupDrawModelViewIdentity(true); 1874ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 1875ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 1876ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 1877ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 1878ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 1879ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1880ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 1881ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 1882ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 18838a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float left = points[i] - halfWidth; 18848a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float right = points[i] + halfWidth; 18858a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float top = points[i + 1] - halfWidth; 18868a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase float bottom = points [i + 1] + halfWidth; 18878a5cc92a150bae38ec43732d941b38bb381fe153Chet Haase dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1888ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 1889ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1890ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 1891ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1892ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 189385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 1894e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 1895af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1896e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 1897ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 1898ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 189970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 19003d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 1901c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 19029d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1903c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 190401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 190501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 190601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 190701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 190801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 190901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 191001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 191101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 191201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1913c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 1914c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 191501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 191601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 191701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 1918c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 1919c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 1920c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 1921c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 192201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1923c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 1924c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 1925c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 1926c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 192701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 1928c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 1929c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 193001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1931c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 1932c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 193301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1934c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 1935c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 1936c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 1937c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 1938c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 19398b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 19408b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 19418b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 19428b2f5267f16c295f12faab810527cd6311997e34Romain Guy 19438b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 19448b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 19458b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 19468b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 19478b2f5267f16c295f12faab810527cd6311997e34Romain Guy 19488b2f5267f16c295f12faab810527cd6311997e34Romain Guy glActiveTexture(gTextureUnits[0]); 19498b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 19508b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 19518b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 19528b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 19538b2f5267f16c295f12faab810527cd6311997e34Romain Guy 1954c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 1955c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 1956c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 1957c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 1958c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 1959c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 1960c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 196101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 196201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 19635c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 1964c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 1965c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 1966c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 1967c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 1968c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 19696926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 19706926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 19716926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 19726926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1973026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 1974746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1975a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 1976a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1977a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1978a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 1979a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1980a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1981a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 1982026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1983026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1984026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 1985181d0a6ccedee03789919d53c46540a8df751896Romain Guy if (p->isAntiAlias() && !mSnapshot->transform->isSimple()) { 1986858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawAARect(left, top, right, bottom, color, mode); 1987858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } else { 1988858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase drawColorRect(left, top, right, bottom, color, mode); 1989858aa93ddb6e69e0503382af63bb681b6728aef1Chet Haase } 1990c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 19919d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1992e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 1993e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy float x, float y, SkPaint* paint) { 1994b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (text == NULL || count == 0) { 1995e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 1996e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1997af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1998e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 199967ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy // TODO: We should probably make a copy of the paint instead of modifying 200067ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy // it; modifying the paint will change its generationID the first 200167ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy // time, which might impact caches. More investigation needed to 200267ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy // see if it matters. 200367ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy // If we make a copy, then drawTextDecorations() should *not* make 200467ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy // its own copy as it does right now. 2005f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy paint->setAntiAlias(true); 200667ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy#if RENDER_TEXT_AS_GLYPHS 200767ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint->setTextEncoding(SkPaint::kGlyphID_TextEncoding); 200867ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy#endif 2009e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 2010a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy float length = -1.0f; 2011e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 2012e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 2013e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 2014e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 2015e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2016e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 2017e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 2018e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 2019e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2020e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 2021e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 2022e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 2023e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 20243a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 20253a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 20266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 20276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 20286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 20296620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 20306620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 20316620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 2032b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 2033b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 2034fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 2035e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 203686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 203786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 203886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 20399d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 20401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 2041b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 204267ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get( 204367ffc36a79ce3a9a0b5da28b65123864b7d2597fRomain Guy paint, text, bytesCount, count, mShadowRadius); 20441e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 20450a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2046740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sx = oldX - shadow->left + mShadowDx; 2047740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy const float sy = oldY - shadow->top + mShadowDy; 204886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 204986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 2050740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy int shadowColor = mShadowColor; 2051740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy if (mShader) { 2052740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy shadowColor = 0xffffffff; 2053740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy } 205486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 205586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 205686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 205786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 2058740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawAlpha8Color(shadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 2059740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilter(); 2060740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShader(); 206186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 206286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 2063740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height); 206486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 206586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 2066740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawColorFilterUniforms(); 2067740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy setupDrawShaderUniforms(); 206886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 20690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 20700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2071740bf2bb2e900d3db2292b5909b4b4c6e90320e6Romain Guy 207286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 20731e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 20741e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 2075b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (paint->getAlpha() == 0 && paint->getXfermode() == NULL) { 2076b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy return; 2077b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy } 2078b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy 20796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 20806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 20816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 20826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 20836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 20845b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 208586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 208686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 208786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 208886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 208986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 209086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 209186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 209286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 209386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 209486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 209586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 209686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 209786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 209886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 209906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 21006620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 21015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 21025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 21035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2104f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = hasLayer(); 21055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 2106f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = false; 21075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 210803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 2109894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 2110894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk // Tell font renderer the locations of position and texture coord 2111894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk // attributes so it can bind its data properly 2112894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk int positionSlot = mCaches.currentProgram->position; 2113894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk fontRenderer.setAttributeBindingSlots(positionSlot, mTexCoordsSlot); 21146620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 2115f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 21165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 2117f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 21186620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 21196620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 21206620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 2121f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 21225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 21235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 21245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 2125694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 2126694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 2127fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 2128a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy 21293a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 2130694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 2131694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 21327fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 2133af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 2134dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 213501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 21367fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2137fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 21389cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 213922158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 21407fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 21418b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 21428b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 21438b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 214401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 21457fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 21467fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 2147ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 2148ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 21496c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 21506c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 21516c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 21526c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glActiveTexture(gTextureUnits[0]); 21536c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 21546c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 21556c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 21566c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 21576c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2158ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->alpha = alpha; 2159ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->mode = mode; 21606c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 2161f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 2162c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (!layer->region.isEmpty()) { 2163c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 216440667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 2165c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 21668168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 2167c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 2168c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2169c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 2170c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 21718168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 2172c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 2173c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawBlending(layer->blend || layer->alpha < 255, layer->mode, false); 2174c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 217540667676e542a9daeafeac9904c30004e8706fd3Romain Guy setupDrawModelViewTranslate(x, y, 217640667676e542a9daeafeac9904c30004e8706fd3Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2177c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 2178c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 2179c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawTexture(layer->texture); 2180c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 2181c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2182c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 2183c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 2184c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 2185c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 21863a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 21873a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 21883a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 21893a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 2190c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 2191f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 2192f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 2193ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 2194ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 2195f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 21966c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 21976c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 21986926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 2199d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 2200d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2201d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 2202d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 220306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 220406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 220506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 220606f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 220706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 220806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2209fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 221006f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 22117fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 22127fac2e18339f765320d759e8d4c090f92431959eRomain Guy 2213d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 2214db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 2215db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 2216db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2217db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 2218db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 2219db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2220db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2221db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 2222db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 2223db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 2224db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 2225db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 22261e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 22271e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 22281e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 22291e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 22301e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 22311e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 22321e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 22331e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 22341e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 22351e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 22361e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 22371e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 22381e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 22391e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 22401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 22411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 22426926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 22436926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 22446926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 224501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 224601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 224701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 224801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 224901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 225001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 225101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 225201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 225301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 225401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 225501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 225601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 225701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 225801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 225901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 226001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 226101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 226201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 226301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 226401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 226501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 226601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 226701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 226801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 226901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 227001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 227101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 227201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 227301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 2274f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 22750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 22760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 22770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 22780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 22790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 22800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 22810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 22820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 22830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 2284726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy SkPaint paintCopy(*paint); 22850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 22860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 22870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 2288726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy underlineWidth = paintCopy.measureText(text, bytesCount); 22890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 22900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 22910a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 2292726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy switch (paintCopy.getTextAlign()) { 22930a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 22940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 22950a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 22960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 22970a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 22980a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 22990a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 23000a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 23010a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 23020a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23030a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 2304726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy const float textSize = paintCopy.getTextSize(); 2305f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 23060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2307e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 23080a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 2309e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2310f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 2311f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 2312f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 2313f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 2314f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 2315e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 2316e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 23170a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23180a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 23190a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 2320e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2321e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2322e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2323e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 23240a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 23250a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 23260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 23270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 2328e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 2329e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 2330e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 2331e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 23320a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 2333e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2334726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy paintCopy.setStrokeWidth(strokeWidth); 2335e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 2336726aeba80ffc6778a9bc3e0ee957b8d644183505Romain Guy drawLines(&points[0], pointsCount, &paintCopy); 23370a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 23380a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 23390a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 23400a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 2341026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 23421c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 2343d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 234406f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 2345d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 2346d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 2347d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 234870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 234970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 235070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 235170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 235270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 235370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 235470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 235570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 235670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 235770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 235870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 2359c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 2360c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 2361c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 2362c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 236382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 23648164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 236582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 236682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 236782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 236882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 23698164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 23708164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 23716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 23726620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 23736620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 23746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 23756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 23766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 23776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 23786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 23796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 23806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 23816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 23826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 238385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 238485bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2385bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 2386a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 2387a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 238803750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 2389f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 2390f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 2391f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 2392a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 23936820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 23945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 23958694230ff25fa0a60e480d424843e56b718f0516Romain Guy 239670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 239770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 239870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 239970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 240070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 240170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 240270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 240370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 2404db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 24055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 240670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 240703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 240870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 2409db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 241086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 241170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 241270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 241370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2414db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 24156820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 241670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 241770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 241882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 241982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2420a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2421f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 242282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 242382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 2424a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode < SkXfermode::kPlus_Mode) { 2425a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mCaches.blend) { 2426a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glEnable(GL_BLEND); 2427a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 242882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2429f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 2430f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 243182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2432a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 2433a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glBlendFunc(sourceMode, destMode); 2434a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastSrcMode = sourceMode; 2435a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastDstMode = destMode; 2436a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2437a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2438a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // These blend modes are not supported by OpenGL directly and have 2439a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // to be implemented using shaders. Since the shader will perform 2440a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // the blending, turn blending off here 2441746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (mCaches.extensions.hasFramebufferFetch()) { 2442a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2443f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2444a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2445a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 2446a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mCaches.blend) { 2447a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glDisable(GL_BLEND); 2448a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2449a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy blend = false; 245082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2451fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 245282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 245382ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2454fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2455bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2456bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2457889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2458d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2459fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2460d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2461fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 24626926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2463260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 24646926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2465260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2466260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2467026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2468ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 246982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 247082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 247182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 247282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 24738ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 24748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 24755c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 24768ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 2477746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2478a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(paint->getXfermode(), mode); 2479a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2480a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2481a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = SkXfermode::kSrcOver_Mode; 2482a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2483a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2484a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = getXfermode(paint->getXfermode()); 24858ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 24868ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 24878ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 24888ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 24898ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 24908ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 24918ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 24928ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 24938ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 24948ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 24958ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 24968ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 24978ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2498026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2499026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2500a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2501d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger SkXfermode::Mode resultMode; 2502d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger if (!SkXfermode::AsMode(mode, &resultMode)) { 2503d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger resultMode = SkXfermode::kSrcOver_Mode; 2504a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2505d39d1affe82cb8c21d32baaa5fbb2d6afb806f8eDerek Sollenberger return resultMode; 2506a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2507a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 2508746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guyvoid OpenGLRenderer::setTextureWrapModes(Texture* texture, GLenum wrapS, GLenum wrapT) { 25098164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bool bound = false; 25108164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapS != texture->wrapS) { 25118164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 25128164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bound = true; 25138164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapS); 25148164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapS = wrapS; 25158164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 25168164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapT != texture->wrapT) { 25173e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy if (!bound) { 25183e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 25193e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy } 25208164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapT); 25218164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapT = wrapT; 25228164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 2523a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 2524a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 25259d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2526e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2527