OpenGLRenderer.cpp revision 5b7a3150a6dbf193b371854b66fa654937633d3a
1e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy/* 2e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Copyright (C) 2010 The Android Open Source Project 3e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 4e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * you may not use this file except in compliance with the License. 6e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * You may obtain a copy of the License at 7e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 8e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * 10e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * Unless required by applicable law or agreed to in writing, software 11e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * See the License for the specific language governing permissions and 14e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy * limitations under the License. 15e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy */ 16e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#define LOG_TAG "OpenGLRenderer" 18e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 19e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdlib.h> 20e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <stdint.h> 21e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy#include <sys/types.h> 22e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 23bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy#include <SkCanvas.h> 24694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy#include <SkTypeface.h> 255cbbce535744b89df5ecea95de21ee3733298260Romain Guy 265cbbce535744b89df5ecea95de21ee3733298260Romain Guy#include <utils/Log.h> 27e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy#include <utils/StopWatch.h> 2885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 2908aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy#include <private/hwui/DrawGlInfo.h> 3008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy 315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#include <ui/Rect.h> 325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 3385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy#include "OpenGLRenderer.h" 340fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy#include "DisplayListRenderer.h" 35a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy#include "Vector.h" 36e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 37e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guynamespace android { 389d5316e3f56d138504565ff311145ac01621dff4Romain Guynamespace uirenderer { 399d5316e3f56d138504565ff311145ac01621dff4Romain Guy 409d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 419d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Defines 429d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 439d5316e3f56d138504565ff311145ac01621dff4Romain Guy 44759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define RAD_TO_DEG (180.0f / 3.14159265f) 45759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy#define MIN_ANGLE 0.001f 46759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 47dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy// TODO: This should be set in properties 48dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy#define ALPHA_THRESHOLD (0x7f / PANEL_BIT_DEPTH) 49dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 509d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 519d5316e3f56d138504565ff311145ac01621dff4Romain Guy// Globals 529d5316e3f56d138504565ff311145ac01621dff4Romain Guy/////////////////////////////////////////////////////////////////////////////// 539d5316e3f56d138504565ff311145ac01621dff4Romain Guy 54889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy/** 55889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy * Structure mapping Skia xfermodes to OpenGL blending factors. 56889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy */ 57889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystruct Blender { 58889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy SkXfermode::Mode mode; 59889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum src; 60889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy GLenum dst; 61889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy}; // struct Blender 62889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guy 63026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// In this array, the index of each Blender equals the value of the first 64026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy// entry. For instance, gBlends[1] == gBlends[SkXfermode::kSrc_Mode] 65026c5e16704e817cac7d9c382914c947e34f87e0Romain Guystatic const Blender gBlends[] = { 66b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ZERO }, 67b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrc_Mode, GL_ONE, GL_ZERO }, 68b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDst_Mode, GL_ZERO, GL_ONE }, 69b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 70b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 71b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcIn_Mode, GL_DST_ALPHA, GL_ZERO }, 72b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 73b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 74b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 75b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 76b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 77b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA } 78026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy}; 79e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 8087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// This array contains the swapped version of each SkXfermode. For instance 8187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// this array's SrcOver blending mode is actually DstOver. You can refer to 8287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy// createLayer() for more information on the purpose of this array. 83f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guystatic const Blender gBlendsSwap[] = { 84b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kClear_Mode, GL_ZERO, GL_ZERO }, 85b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrc_Mode, GL_ZERO, GL_ONE }, 86b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDst_Mode, GL_ONE, GL_ZERO }, 87b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOver_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE }, 88b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOver_Mode, GL_ONE, GL_ONE_MINUS_SRC_ALPHA }, 89b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcIn_Mode, GL_ZERO, GL_SRC_ALPHA }, 90b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstIn_Mode, GL_DST_ALPHA, GL_ZERO }, 91b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcOut_Mode, GL_ZERO, GL_ONE_MINUS_SRC_ALPHA }, 92b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstOut_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ZERO }, 93b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kSrcATop_Mode, GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA }, 94b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kDstATop_Mode, GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA }, 95b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy { SkXfermode::kXor_Mode, GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA } 96f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy}; 97f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 98889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guystatic const GLenum gTextureUnits[] = { 99b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE0, 100b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE1, 101b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy GL_TEXTURE2 102d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy}; 103d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 104f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 105f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Constructors/destructor 106f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 107f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 108fb8b763f762ae21923c58d64caa729b012f40e05Romain GuyOpenGLRenderer::OpenGLRenderer(): mCaches(Caches::getInstance()) { 10906f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 110db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1111e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 112026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 113ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy memcpy(mMeshVertices, gMeshVertices, sizeof(gMeshVertices)); 114ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy 115ae5575b3421c8fbe590ab046d7d5f2b36ecfd821Romain Guy mFirstSnapshot = new Snapshot; 116e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 117e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 11885bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain GuyOpenGLRenderer::~OpenGLRenderer() { 11929d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // The context has already been destroyed at this point, do not call 12029d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy // GL APIs. All GL state should be kept in Caches.h 121e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 122e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 123f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 124f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Setup 125f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 126f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 12785bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::setViewport(int width, int height) { 12808ae317c21ec3086b5017672bba87420cc38a407Romain Guy glViewport(0, 0, width, height); 129260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1); 130bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 131bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mWidth = width; 132bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy mHeight = height; 133eb99356a0548684a501766e6a524529ab93304c8Romain Guy 134eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->height = height; 135eb99356a0548684a501766e6a524529ab93304c8Romain Guy mFirstSnapshot->viewport.set(0, 0, width, height); 136746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 137746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 138e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 139e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 1406b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guyvoid OpenGLRenderer::prepare(bool opaque) { 1417d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy prepareDirty(0.0f, 0.0f, mWidth, mHeight, opaque); 1427d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy} 1437d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1447d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guyvoid OpenGLRenderer::prepareDirty(float left, float top, float right, float bottom, bool opaque) { 145fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy mCaches.clearGarbage(); 146fe48f65922d4a3cc4aefe058cee5acec51504a20Romain Guy 1478aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mFirstSnapshot, 1488aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag); 14984962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy mSnapshot->fbo = getTargetFbo(); 15084962f2fe6ce779c583cc54b11a9de2b6a568117Romain Guy 1518fb954263dd2f918ad339045cc6d82e346515599Romain Guy mSaveCount = 1; 152f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 153fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glViewport(0, 0, mWidth, mHeight); 154fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy 155d90f23e24a4d1768d5a7ed0e7072e67af6330a45Romain Guy glDisable(GL_DITHER); 156bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 1577d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy glEnable(GL_SCISSOR_TEST); 1587d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy glScissor(left, mSnapshot->height - bottom, right - left, bottom - top); 1597d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy mSnapshot->setClip(left, top, right, bottom); 1607d7b5490a0b0763e831b31bc11f17d8159b5914aRomain Guy 1616b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy if (!opaque) { 1626b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 1636b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy glClear(GL_COLOR_BUFFER_BIT); 1646b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy } 165bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 166bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 167b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guyvoid OpenGLRenderer::finish() { 168b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#if DEBUG_OPENGL 169b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy GLenum status = GL_NO_ERROR; 170b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy while ((status = glGetError()) != GL_NO_ERROR) { 171b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy LOGD("GL error from OpenGLRenderer: 0x%x", status); 172a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy switch (status) { 173a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy case GL_OUT_OF_MEMORY: 174a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy LOGE(" OpenGLRenderer is out of memory!"); 175a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy break; 176a07105b7d2a27e6d69407bf96ddb773bddb5e553Romain Guy } 177b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 178b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy#endif 179c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#if DEBUG_MEMORY_USAGE 180c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy mCaches.dumpMemoryUsage(); 181e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy#else 182e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy if (mCaches.getDebugLevel() & kDebugMemory) { 183e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy mCaches.dumpMemoryUsage(); 184e190aa69756aecfaffabdd4c6d32cb6b3220d842Romain Guy } 185c15008e72ec00ca20a271c3006dac649fd07533bRomain Guy#endif 186b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy} 187b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy 1886c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::interrupt() { 189da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram) { 190da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy if (mCaches.currentProgram->isInUse()) { 191da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram->remove(); 192da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy mCaches.currentProgram = NULL; 193da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 194da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy } 19550c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.unbindMeshBuffer(); 196da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 197da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 1986c319ca1275c8db892c39b48fc54864c949f9171Romain Guyvoid OpenGLRenderer::resume() { 199eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(0, 0, mSnapshot->viewport.getWidth(), mSnapshot->viewport.getHeight()); 200da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 201da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy glEnable(GL_SCISSOR_TEST); 202746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 203da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 204f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy glDisable(GL_DITHER); 205f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 20642f3a4b7c35dd1ea1922356eb3611af8cde05179Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, getTargetFbo()); 20703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 20850c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy 20950c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy mCaches.blend = true; 21050c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glEnable(GL_BLEND); 21150c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendFunc(mCaches.lastSrcMode, mCaches.lastDstMode); 21250c0f093d942a59d4e01b2c76d26c0e9d6ed796cRomain Guy glBlendEquation(GL_FUNC_ADD); 213da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy} 214da8532c6f48b4c10b5e2ccb9e08690341efa1616Romain Guy 215cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guybool OpenGLRenderer::callDrawGLFunction(Functor *functor, Rect& dirty) { 216daf98e941e140e8739458126640183b9f296a2abChet Haase interrupt(); 217f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy if (mDirtyClip) { 218f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy setScissorFromClip(); 219f90f8171e6acb56f9f87093c01fd586f2140697aRomain Guy } 220d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 22180911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy Rect clip(*mSnapshot->clipRect); 22280911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy clip.snapToPixelBoundaries(); 22380911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 224d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#if RENDER_LAYERS_AS_REGIONS 225d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // Since we don't know what the functor will draw, let's dirty 226d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy // tne entire clip region 227d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy if (hasLayer()) { 228d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy dirtyLayerUnchecked(clip, getRegion()); 229d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy } 230d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy#endif 231d643bb56fdf21973ea75984f0816b7dc024698dfRomain Guy 23208aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy DrawGlInfo info; 23308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipLeft = clip.left; 23408aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipTop = clip.top; 23508aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipRight = clip.right; 23608aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.clipBottom = clip.bottom; 23708aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy info.isLayer = hasLayer(); 23808aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy getSnapshot()->transform->copyTo(&info.transform[0]); 23980911b851764b073310fd0bffdf4a7db0d8fdd0bRomain Guy 24008aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy status_t result = (*functor)(0, &info); 241cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 242cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy if (result != 0) { 24308aa2cbd5e62e7ca140f78f8bea0477a19880fd9Romain Guy Rect localDirty(info.dirtyLeft, info.dirtyTop, info.dirtyRight, info.dirtyBottom); 244cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy dirty.unionWith(localDirty); 245cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy } 246cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy 247daf98e941e140e8739458126640183b9f296a2abChet Haase resume(); 248cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return result != 0; 249daf98e941e140e8739458126640183b9f296a2abChet Haase} 250daf98e941e140e8739458126640183b9f296a2abChet Haase 251f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 252f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// State management 253f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 254f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 255bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::getSaveCount() const { 2567ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy return mSaveCount; 257bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 258bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 259bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyint OpenGLRenderer::save(int flags) { 2608aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveSnapshot(flags); 261bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 262bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 263bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restore() { 2642542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (mSaveCount > 1) { 2652542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2667ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 267bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 268bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 269bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::restoreToCount(int saveCount) { 2708fb954263dd2f918ad339045cc6d82e346515599Romain Guy if (saveCount < 1) saveCount = 1; 271bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2728fb954263dd2f918ad339045cc6d82e346515599Romain Guy while (mSaveCount > saveCount) { 2732542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy restoreSnapshot(); 2747ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 275bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 276bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 2778aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guyint OpenGLRenderer::saveSnapshot(int flags) { 2788aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot = new Snapshot(mSnapshot, flags); 2798fb954263dd2f918ad339045cc6d82e346515599Romain Guy return mSaveCount++; 280bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 281bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 282bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guybool OpenGLRenderer::restoreSnapshot() { 2837ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy bool restoreClip = mSnapshot->flags & Snapshot::kFlagClipSet; 284bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy bool restoreLayer = mSnapshot->flags & Snapshot::kFlagIsLayer; 285eb99356a0548684a501766e6a524529ab93304c8Romain Guy bool restoreOrtho = mSnapshot->flags & Snapshot::kFlagDirtyOrtho; 286bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 287bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy sp<Snapshot> current = mSnapshot; 2887ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy sp<Snapshot> previous = mSnapshot->previous; 289bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 290eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (restoreOrtho) { 291eb99356a0548684a501766e6a524529ab93304c8Romain Guy Rect& r = previous->viewport; 292eb99356a0548684a501766e6a524529ab93304c8Romain Guy glViewport(r.left, r.top, r.right, r.bottom); 293eb99356a0548684a501766e6a524529ab93304c8Romain Guy mOrthoMatrix.load(current->orthoMatrix); 294eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 295eb99356a0548684a501766e6a524529ab93304c8Romain Guy 2968b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSaveCount--; 2978b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy mSnapshot = previous; 2988b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 2992542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy if (restoreClip) { 300746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 3018fb954263dd2f918ad339045cc6d82e346515599Romain Guy } 3022542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy 3035ec9924d24495822b589f1a17996655d66273b30Romain Guy if (restoreLayer) { 3045ec9924d24495822b589f1a17996655d66273b30Romain Guy composeLayer(current, previous); 3055ec9924d24495822b589f1a17996655d66273b30Romain Guy } 3065ec9924d24495822b589f1a17996655d66273b30Romain Guy 3072542d199745cdf3ec910b8e3e4cff5851ed24e9bRomain Guy return restoreClip; 308d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 3095cbbce535744b89df5ecea95de21ee3733298260Romain Guy 310f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 311bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy// Layers 312bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 313bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 314bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayer(float left, float top, float right, float bottom, 3155c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* p, int flags) { 316eb99356a0548684a501766e6a524529ab93304c8Romain Guy const GLuint previousFbo = mSnapshot->fbo; 317eb99356a0548684a501766e6a524529ab93304c8Romain Guy const int count = saveSnapshot(flags); 318d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 319af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (!mSnapshot->isIgnored()) { 320e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy int alpha = 255; 321e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy SkXfermode::Mode mode; 322e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 323e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (p) { 324e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy alpha = p->getAlpha(); 325e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 326e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 327e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy if (!isMode) { 328e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // Assume SRC_OVER 329e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 330e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } 331e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy } else { 332e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = getXfermode(p->getXfermode()); 333a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 334a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 335e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy mode = SkXfermode::kSrcOver_Mode; 336d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy } 337d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 338dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy createLayer(mSnapshot, left, top, right, bottom, alpha, mode, flags, previousFbo); 339dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 340d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy 341d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return count; 342bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 343bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 344bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyint OpenGLRenderer::saveLayerAlpha(float left, float top, float right, float bottom, 345bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy int alpha, int flags) { 3465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (alpha >= 255 - ALPHA_THRESHOLD) { 3478aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, NULL, flags); 3488b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } else { 3498aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy SkPaint paint; 3508aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy paint.setAlpha(alpha); 3518aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return saveLayer(left, top, right, bottom, &paint, flags); 3528b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy } 353d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy} 354bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 3551c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 3561c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Layers are viewed by Skia are slightly different than layers in image editing 3571c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * programs (for instance.) When a layer is created, previously created layers 3581c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * and the frame buffer still receive every drawing command. For instance, if a 3591c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * layer is created and a shape intersecting the bounds of the layers and the 3601c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * framebuffer is draw, the shape will be drawn on both (unless the layer was 3611c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * created with the SkCanvas::kClipToLayer_SaveFlag flag.) 3621c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3631c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * A way to implement layers is to create an FBO for each layer, backed by an RGBA 3641c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * texture. Unfortunately, this is inefficient as it requires every primitive to 3651c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be drawn n + 1 times, where n is the number of active layers. In practice this 3661c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * means, for every primitive: 3671c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Switch active frame buffer 3681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Change viewport, clip and projection matrix 3691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * - Issue the drawing 3701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3711c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Switching rendering target n + 1 times per drawn primitive is extremely costly. 3726b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * To avoid this, layers are implemented in a different way here, at least in the 3736b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * general case. FBOs are used, as an optimization, when the "clip to layer" flag 3746b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * is set. When this flag is set we can redirect all drawing operations into a 3756b7bd24659fb175fe1f0e97c86c18969918b496aRomain Guy * single FBO. 3761c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3771c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * This implementation relies on the frame buffer being at least RGBA 8888. When 3781c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * a layer is created, only a texture is created, not an FBO. The content of the 3791c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer contained within the layer's bounds is copied into this texture 38087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * using glCopyTexImage2D(). The layer's region is then cleared(1) in the frame 3811c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * buffer and drawing continues as normal. This technique therefore treats the 3821c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * frame buffer as a scratch buffer for the layers. 3831c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3841c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * To compose the layers back onto the frame buffer, each layer texture 3851c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * (containing the original frame buffer data) is drawn as a simple quad over 3861c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * the frame buffer. The trick is that the quad is set as the composition 3871c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * destination in the blending equation, and the frame buffer becomes the source 3881c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * of the composition. 3891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3901c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Drawing layers with an alpha value requires an extra step before composition. 3911c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * An empty quad is drawn over the layer's region in the frame buffer. This quad 3921c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is drawn with the rgba color (0,0,0,alpha). The alpha value offered by the 3931c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * quad is used to multiply the colors in the frame buffer. This is achieved by 3941c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * changing the GL blend functions for the GL_FUNC_ADD blend equation to 3951c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * GL_ZERO, GL_SRC_ALPHA. 3961c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * 3971c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Because glCopyTexImage2D() can be slow, an alternative implementation might 3981c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * be use to draw a single clipped layer. The implementation described above 3991c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * is correct in every case. 40087a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * 40187a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * (1) The frame buffer is actually not cleared right away. To allow the GPU 40287a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * to potentially optimize series of calls to glCopyTexImage2D, the frame 40387a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * buffer is left untouched until the first drawing operation. Only when 40487a76578f76f4a6bceb187da6b7a01899ca0d85aRomain Guy * something actually gets drawn are the layers regions cleared. 4051c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 406d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guybool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 407eb99356a0548684a501766e6a524529ab93304c8Romain Guy float right, float bottom, int alpha, SkXfermode::Mode mode, 408eb99356a0548684a501766e6a524529ab93304c8Romain Guy int flags, GLuint previousFbo) { 409eb99356a0548684a501766e6a524529ab93304c8Romain Guy LAYER_LOGD("Requesting layer %.2fx%.2f", right - left, bottom - top); 410fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy LAYER_LOGD("Layer cache size = %d", mCaches.layerCache.getSize()); 411dda570201ac851dd85af3861f7e575721d3345daRomain Guy 412eb99356a0548684a501766e6a524529ab93304c8Romain Guy const bool fboLayer = flags & SkCanvas::kClipToLayer_SaveFlag; 413eb99356a0548684a501766e6a524529ab93304c8Romain Guy 414f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy // Window coordinates of the layer 4158aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy Rect bounds(left, top, right, bottom); 4167b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (!fboLayer) { 417eb99356a0548684a501766e6a524529ab93304c8Romain Guy mSnapshot->transform->mapRect(bounds); 418ae517591d96be39f5f18a1716c856ade13a8bcc7Romain Guy 419eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Layers only make sense if they are in the framebuffer's bounds 420ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (bounds.intersect(*snapshot->clipRect)) { 421ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // We cannot work with sub-pixels in this case 422ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.snapToPixelBoundaries(); 423ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy 424ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // When the layer is not an FBO, we may use glCopyTexImage so we 425ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // need to make sure the layer does not extend outside the bounds 426ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy // of the framebuffer 427ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy if (!bounds.intersect(snapshot->previous->viewport)) { 428ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 429ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 430ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } else { 431ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy bounds.setEmpty(); 432ad37cd3b5d3de9dd0858af04fbccd102e8ff4b0eRomain Guy } 433eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 434bf434114cbf55b216fdc76fc8d65a75e84c9dab5Romain Guy 435746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (bounds.isEmpty() || bounds.getWidth() > mCaches.maxTextureSize || 436746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy bounds.getHeight() > mCaches.maxTextureSize) { 43732963c393a804db2cd86c24443c2f1c6eee6064bRomain Guy snapshot->empty = fboLayer; 438dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } else { 439e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy snapshot->invisible = snapshot->invisible || (alpha <= ALPHA_THRESHOLD && fboLayer); 440dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 441dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 442dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy // Bail out if we won't draw in this snapshot 443af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (snapshot->invisible || snapshot->empty) { 444b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy return false; 445b025b9c8b4efefadb01937db61a1f8ee7d2452bfRomain Guy } 446dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glActiveTexture(gTextureUnits[0]); 4488550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy Layer* layer = mCaches.layerCache.get(bounds.getWidth(), bounds.getHeight()); 449f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy if (!layer) { 450f18fd99b5c182329cd8936a9611f0103d8ece44aRomain Guy return false; 451bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy } 452bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 453dda570201ac851dd85af3861f7e575721d3345daRomain Guy layer->mode = mode; 454f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy layer->alpha = alpha; 4558aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy layer->layer.set(bounds); 4568550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy layer->texCoords.set(0.0f, bounds.getHeight() / float(layer->height), 4578550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy bounds.getWidth() / float(layer->width), 0.0f); 458171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy layer->colorFilter = mColorFilter; 459dda570201ac851dd85af3861f7e575721d3345daRomain Guy 4608fb954263dd2f918ad339045cc6d82e346515599Romain Guy // Save the layer in the snapshot 4618fb954263dd2f918ad339045cc6d82e346515599Romain Guy snapshot->flags |= Snapshot::kFlagIsLayer; 462dda570201ac851dd85af3861f7e575721d3345daRomain Guy snapshot->layer = layer; 4631d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 464eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 4655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return createFboLayer(layer, bounds, snapshot, previousFbo); 466eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 467eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Copy the framebuffer into the layer 468eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 469514fb18827186591d66973c2362c859b64b63556Romain Guy if (!bounds.isEmpty()) { 470514fb18827186591d66973c2362c859b64b63556Romain Guy if (layer->empty) { 471514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bounds.left, 472514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, layer->width, layer->height, 0); 473514fb18827186591d66973c2362c859b64b63556Romain Guy layer->empty = false; 474514fb18827186591d66973c2362c859b64b63556Romain Guy } else { 475514fb18827186591d66973c2362c859b64b63556Romain Guy glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, bounds.left, 476514fb18827186591d66973c2362c859b64b63556Romain Guy snapshot->height - bounds.bottom, bounds.getWidth(), bounds.getHeight()); 477514fb18827186591d66973c2362c859b64b63556Romain Guy } 4787b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 4797b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy // Clear the framebuffer where the layer will draw 4807b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy glScissor(bounds.left, mSnapshot->height - bounds.bottom, 4817b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy bounds.getWidth(), bounds.getHeight()); 4827b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 4837b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy glClear(GL_COLOR_BUFFER_BIT); 4847b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 4857b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy dirtyClip(); 486ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy } 487eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 488f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 489d55a86120dd1e8ebcc6906c9ffd463f7460348daRomain Guy return true; 490bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 491bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 4925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guybool OpenGLRenderer::createFboLayer(Layer* layer, Rect& bounds, sp<Snapshot> snapshot, 4935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLuint previousFbo) { 4945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->fbo = mCaches.fboCache.get(); 4955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 4965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 4975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->region = &snapshot->layer->region; 4985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagFboTarget; 4995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect clip(bounds); 5025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->transform->mapRect(clip); 5035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(*snapshot->clipRect); 5045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(snapshot->previous->viewport); 5065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mat4 inverse; 5085b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.loadInverse(*mSnapshot->transform); 5095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy inverse.mapRect(clip); 5115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.snapToPixelBoundaries(); 5125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.intersect(bounds); 5135ec9924d24495822b589f1a17996655d66273b30Romain Guy clip.translate(-bounds.left, -bounds.top); 5145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagIsFboLayer; 5165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->fbo = layer->fbo; 5175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetTransform(-bounds.left, -bounds.top, 0.0f); 5185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->resetClip(clip.left, clip.top, clip.right, clip.bottom); 5195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->viewport.set(0.0f, 0.0f, bounds.getWidth(), bounds.getHeight()); 5205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->height = bounds.getHeight(); 5215b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->flags |= Snapshot::kFlagDirtyOrtho; 5225b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy snapshot->orthoMatrix.load(mOrthoMatrix); 5235b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5245b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Bind texture to FBO 5255b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, layer->fbo); 5265b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindTexture(GL_TEXTURE_2D, layer->texture); 5275b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5285b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Initialize the texture if needed 5295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->empty) { 5305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->empty = false; 5315b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, layer->width, layer->height, 0, 5325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GL_RGBA, GL_UNSIGNED_BYTE, NULL); 5335b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5345b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5355b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 5365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->texture, 0); 5375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 5395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); 5405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (status != GL_FRAMEBUFFER_COMPLETE) { 5415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy LOGE("Framebuffer incomplete (GL error code 0x%x)", status); 5425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindFramebuffer(GL_FRAMEBUFFER, previousFbo); 5445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDeleteTextures(1, &layer->texture); 5455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mCaches.fboCache.put(layer->fbo); 5465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy delete layer; 5485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return false; 5505b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 5515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 5525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Clear the FBO, expand the clear region by 1 to get nice bilinear filtering 5545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glScissor(clip.left - 1.0f, bounds.getHeight() - clip.bottom - 1.0f, 5555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy clip.getWidth() + 2.0f, clip.getHeight() + 2.0f); 5565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClearColor(0.0f, 0.0f, 0.0f, 0.0f); 5575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glClear(GL_COLOR_BUFFER_BIT); 5585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyClip(); 5605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Change the ortho projection 5625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glViewport(0, 0, bounds.getWidth(), bounds.getHeight()); 5635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mOrthoMatrix.loadOrtho(0.0f, bounds.getWidth(), bounds.getHeight(), 0.0f, -1.0f, 1.0f); 5645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return true; 5665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 5675b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5681c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy/** 5691c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy * Read the documentation of createLayer() before doing anything in this method. 5701c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy */ 5711d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guyvoid OpenGLRenderer::composeLayer(sp<Snapshot> current, sp<Snapshot> previous) { 5721d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy if (!current->layer) { 5731d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LOGE("Attempting to compose a layer that does not exist"); 5741d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy return; 5751d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 5761d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 5775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const bool fboLayer = current->flags & Snapshot::kFlagIsFboLayer; 578eb99356a0548684a501766e6a524529ab93304c8Romain Guy 579eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 580eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Unbind current FBO and restore previous one 581eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 582eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 583eb99356a0548684a501766e6a524529ab93304c8Romain Guy 5841d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Layer* layer = current->layer; 5851d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy const Rect& rect = layer->layer; 5861d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 587eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (!fboLayer && layer->alpha < 255) { 588f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy drawColorRect(rect.left, rect.top, rect.right, rect.bottom, 5891c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy layer->alpha << 24, SkXfermode::kDstIn_Mode, true); 5905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Required below, composeLayerRect() will divide by 255 5915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha = 255; 592f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy } 593f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy 59403750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 5958b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 596746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 5975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 5985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // When the layer is stored in an FBO, we can save a bit of fillrate by 5995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // drawing only the dirty region 600eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 6015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom, *previous->transform); 602171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy if (layer->colorFilter) { 603171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy setupColorFilter(layer->colorFilter); 604171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 6055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRegion(layer, rect); 606171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy if (layer->colorFilter) { 607171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy resetColorFilter(); 608171c592f0b7066acf279863c8a52ddabea49d3dbRomain Guy } 609eb99356a0548684a501766e6a524529ab93304c8Romain Guy } else { 610514fb18827186591d66973c2362c859b64b63556Romain Guy if (!rect.isEmpty()) { 611514fb18827186591d66973c2362c859b64b63556Romain Guy dirtyLayer(rect.left, rect.top, rect.right, rect.bottom); 612514fb18827186591d66973c2362c859b64b63556Romain Guy composeLayerRect(layer, rect, true); 613514fb18827186591d66973c2362c859b64b63556Romain Guy } 614eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 6151d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 616eb99356a0548684a501766e6a524529ab93304c8Romain Guy if (fboLayer) { 617eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Detach the texture from the FBO 618eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, current->fbo); 619eb99356a0548684a501766e6a524529ab93304c8Romain Guy glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, 0, 0); 620eb99356a0548684a501766e6a524529ab93304c8Romain Guy glBindFramebuffer(GL_FRAMEBUFFER, previous->fbo); 621eb99356a0548684a501766e6a524529ab93304c8Romain Guy 622eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Put the FBO name back in the cache, if it doesn't fit, it will be destroyed 623eb99356a0548684a501766e6a524529ab93304c8Romain Guy mCaches.fboCache.put(current->fbo); 624eb99356a0548684a501766e6a524529ab93304c8Romain Guy } 625eb99356a0548684a501766e6a524529ab93304c8Romain Guy 626746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 627746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy 628eb99356a0548684a501766e6a524529ab93304c8Romain Guy // Failing to add the layer to the cache should happen only if the layer is too large 6298550c4c7b5952b7a4e1e0ede95c9492d03099a13Romain Guy if (!mCaches.layerCache.put(layer)) { 6301d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy LAYER_LOGD("Deleting layer"); 6311d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy glDeleteTextures(1, &layer->texture); 6321d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy delete layer; 6331d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy } 6341d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy} 6351d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy 6365b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRect(Layer* layer, const Rect& rect, bool swap) { 6375b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const Rect& texCoords = layer->texCoords; 6385b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy resetDrawTextureTexCoords(texCoords.left, texCoords.top, texCoords.right, texCoords.bottom); 6395b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6405b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureMesh(rect.left, rect.top, rect.right, rect.bottom, layer->texture, 6415b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->alpha / 255.0f, layer->mode, layer->blend, &mMeshVertices[0].position[0], 6425b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy &mMeshVertices[0].texture[0], GL_TRIANGLE_STRIP, gMeshCount, swap, swap); 6435b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6445b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 6455b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 6465b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) { 6485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 6495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (layer->region.isRect()) { 65040667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 6515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 6525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy return; 6535b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 6545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!layer->region.isEmpty()) { 6565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy size_t count; 6575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* rects = layer->region.getArray(&count); 6585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float alpha = layer->alpha / 255.0f; 6605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texX = 1.0f / float(layer->width); 6615b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float texY = 1.0f / float(layer->height); 662f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float height = rect.getHeight(); 6635b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6645b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex* mesh = mCaches.getRegionMesh(); 6655b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy GLsizei numQuads = 0; 6665b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6677230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDraw(); 6687230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawWithTexture(); 6697230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 670ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilter(); 6717230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawBlending(layer->blend || layer->alpha < 255, layer->mode, false); 6727230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawProgram(); 6737230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawDirtyRegionsDisabled(); 6747230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawPureColorUniforms(); 675ada830f639591b99c3e40de22b07296c7932a33fRomain Guy setupDrawColorFilterUniforms(); 6767230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawTexture(layer->texture); 677c038ea358aadca082198f3effc550d33135bf426Romain Guy setupDrawModelViewTranslate(rect.left, rect.top, rect.right, rect.bottom); 6787230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy setupDrawMesh(&mesh[0].position[0], &mesh[0].texture[0]); 6795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6805b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 6815b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const android::Rect* r = &rects[i]; 6825b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u1 = r->left * texX; 684f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v1 = (height - r->top) * texY; 6855b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float u2 = r->right * texX; 686f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy const float v2 = (height - r->bottom) * texY; 6875b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6885b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // TODO: Reject quads outside of the clip 6895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->top, u1, v1); 6905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->top, u2, v1); 6915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->left, r->bottom, u1, v2); 6925b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy TextureVertex::set(mesh++, r->right, r->bottom, u2, v2); 6935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads++; 6955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 6965b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads >= REGION_MESH_QUAD_COUNT) { 6975b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 6985b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy numQuads = 0; 6995b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy mesh = mCaches.getRegionMesh(); 7005b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7015b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7025b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7035b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (numQuads > 0) { 7045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glDrawElements(GL_TRIANGLES, numQuads * 6, GL_UNSIGNED_SHORT, NULL); 7055b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7065b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7075b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 7087230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy finishDrawTexture(); 7095b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 7113a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 7125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7135b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy layer->region.clear(); 7155b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7165b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 7175b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy composeLayerRect(layer, rect); 7185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7205b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7213a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guyvoid OpenGLRenderer::drawRegionRects(const Region& region) { 7223a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 7233a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy size_t count; 7243a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy const android::Rect* rects = region.getArray(&count); 7253a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7263a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy uint32_t colors[] = { 7273a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7fff0000, 0x7f00ff00, 7283a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 0x7f0000ff, 0x7fff00ff, 7293a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy }; 7303a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7313a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int offset = 0; 7323a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy int32_t top = rects[0].top; 7333a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7343a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy for (size_t i = 0; i < count; i++) { 7353a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy if (top != rects[i].top) { 7363a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy offset ^= 0x2; 7373a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy top = rects[i].top; 7383a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 7393a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7403a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy Rect r(rects[i].left, rects[i].top, rects[i].right, rects[i].bottom); 7413a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawColorRect(r.left, r.top, r.right, r.bottom, colors[offset + (i & 0x1)], 7423a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy SkXfermode::kSrcOver_Mode); 7433a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy } 7443a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 7453a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy} 7463a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 7475b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7485b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom, const mat4 transform) { 7495b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 750f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 7515b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 7525b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy transform.mapRect(bounds); 753f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 7545b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 7585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guyvoid OpenGLRenderer::dirtyLayer(const float left, const float top, 7595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const float right, const float bottom) { 7605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 761f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasLayer()) { 7625b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(left, top, right, bottom); 763f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 7641bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy } 7651bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#endif 7661bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy} 7671bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy 7681bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guyvoid OpenGLRenderer::dirtyLayerUnchecked(Rect& bounds, Region* region) { 7691bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy#if RENDER_LAYERS_AS_REGIONS 7701bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (bounds.intersect(*mSnapshot->clipRect)) { 7711bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy bounds.snapToPixelBoundaries(); 7721bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy android::Rect dirty(bounds.left, bounds.top, bounds.right, bounds.bottom); 7731bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy if (!dirty.isEmpty()) { 7741bd1bad0b4a75e633c5edbe802bf6fb4dd765161Romain Guy region->orSelf(dirty); 7755b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7765b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 7775b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 7785b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy} 7795b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 780bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy/////////////////////////////////////////////////////////////////////////////// 781f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Transforms 782f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 783f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 784f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::translate(float dx, float dy) { 7858aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->translate(dx, dy, 0.0f); 786f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 787f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 788f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::rotate(float degrees) { 7898aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->rotate(degrees, 0.0f, 0.0f, 1.0f); 790f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 791f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 792f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::scale(float sx, float sy) { 7938aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->scale(sx, sy, 1.0f); 794f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 795f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 796807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guyvoid OpenGLRenderer::skew(float sx, float sy) { 797807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy mSnapshot->transform->skew(sx, sy); 798807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy} 799807daf7df615b60ce6fc41355aabe3aa353cebabRomain Guy 800f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::setMatrix(SkMatrix* matrix) { 8018aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->load(*matrix); 802f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 803f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 80441030da16856c8869e1e51d4a0405432fa96614eRomain Guyconst float* OpenGLRenderer::getMatrix() const { 80599bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy if (mSnapshot->fbo != 0) { 80699bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mSnapshot->transform->data[0]; 80799bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy } 80899bcdc52dcb365ed7d8cfa13540fb33fbcbbac9dRomain Guy return &mIdentity.data[0]; 80941030da16856c8869e1e51d4a0405432fa96614eRomain Guy} 81041030da16856c8869e1e51d4a0405432fa96614eRomain Guy 811f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::getMatrix(SkMatrix* matrix) { 8128aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->copyTo(*matrix); 813f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 814f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 815f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guyvoid OpenGLRenderer::concatMatrix(SkMatrix* matrix) { 816e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy SkMatrix transform; 817e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->copyTo(transform); 818e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy transform.preConcat(*matrix); 819e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy mSnapshot->transform->load(transform); 820f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy} 821f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 822f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 823f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Clipping 824f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 825f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 826bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guyvoid OpenGLRenderer::setScissorFromClip() { 827e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy Rect clip(*mSnapshot->clipRect); 828e5ebcb0107a939395e03592fd44c746cd09e311dRomain Guy clip.snapToPixelBoundaries(); 829eb99356a0548684a501766e6a524529ab93304c8Romain Guy glScissor(clip.left, mSnapshot->height - clip.bottom, clip.getWidth(), clip.getHeight()); 830746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy mDirtyClip = false; 8319d5316e3f56d138504565ff311145ac01621dff4Romain Guy} 8329d5316e3f56d138504565ff311145ac01621dff4Romain Guy 8339d5316e3f56d138504565ff311145ac01621dff4Romain Guyconst Rect& OpenGLRenderer::getClipBounds() { 834079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy return mSnapshot->getLocalClip(); 835bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy} 836bb9524b6bdddc7ac77d8628daa8b366b8a7be4a4Romain Guy 837c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guybool OpenGLRenderer::quickReject(float left, float top, float right, float bottom) { 838af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) { 839dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy return true; 840dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy } 841dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 8421d83e1981c8b89da93dff37a4f8b2b1ad8480b44Romain Guy Rect r(left, top, right, bottom); 8438aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy mSnapshot->transform->mapRect(r); 844d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy r.snapToPixelBoundaries(); 845d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 846d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy Rect clipRect(*mSnapshot->clipRect); 847d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy clipRect.snapToPixelBoundaries(); 848d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy 849d2a1ff003b9b1212c9ab4b5f679b5b097720a359Romain Guy return !clipRect.intersects(r); 850c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 851c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy 852079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guybool OpenGLRenderer::clipRect(float left, float top, float right, float bottom, SkRegion::Op op) { 853079ba2c85b15e882629b8d188f5fbdb42f7f8eeaRomain Guy bool clipped = mSnapshot->clip(left, top, right, bottom, op); 8547ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy if (clipped) { 855746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy dirtyClip(); 8567ae7ac48aa2b53453c9805075171ecd5bcafd7deRomain Guy } 8578aef54fa17f2a3753d9a8f2027629bc480088f69Romain Guy return !mSnapshot->clipRect->isEmpty(); 858e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy} 859e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy 860f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 86170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy// Drawing commands 86270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 86370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 86470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDraw() { 86570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mDirtyClip) { 86670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setScissorFromClip(); 86770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 86870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.reset(); 86970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = false; 87070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = false; 87170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = mColorR = mColorG = mColorB = 0.0f; 87270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTextureUnit = 0; 87370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = true; 8748d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mTexCoordsSlot = -1; 87570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 87670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 87770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawWithTexture(bool isAlpha8) { 87870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasTexture = true; 87970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription.hasAlpha8Texture = isAlpha8; 88070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 88170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 882ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPoint(float pointSize) { 883ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.isPoint = true; 884ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy mDescription.pointSize = pointSize; 885ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 886ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 88770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(int color) { 8888d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(color, (color >> 24) & 0xFF); 8898d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 8908d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 8918d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawColor(int color, int alpha) { 8928d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mColorA = alpha / 255.0f; 89370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy const float a = mColorA / 255.0f; 894fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorR = a * ((color >> 16) & 0xFF); 895fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorG = a * ((color >> 8) & 0xFF); 896fa7952dbb86a8aff0c90418aa77dddee3802c23aRomain Guy mColorB = a * ((color ) & 0xFF); 89770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 89870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(mColorR, mColorG, mColorB, mColorA); 89970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 90070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 90186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(int color, int alpha) { 90286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = alpha / 255.0f; 90386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float a = mColorA / 255.0f; 90486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = a * ((color >> 16) & 0xFF); 90586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = a * ((color >> 8) & 0xFF); 90686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = a * ((color ) & 0xFF); 90786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 90886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(mColorR, mColorG, mColorB, mColorA); 90986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 91086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 91170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColor(float r, float g, float b, float a) { 91270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorA = a; 91370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorR = r; 91470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorG = g; 91570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorB = b; 91670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorSet = true; 91770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mSetShaderColor = mDescription.setColor(r, g, b, a); 91870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 91970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 92086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawAlpha8Color(float r, float g, float b, float a) { 92186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorA = a; 92286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorR = r; 92386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorG = g; 92486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorB = b; 92586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mColorSet = true; 92686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mSetShaderColor = mDescription.setAlpha8Color(r, g, b, a); 92786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy} 92886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 92970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShader() { 93070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 93170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->describe(mDescription, mCaches.extensions); 93270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 93370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 93470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 93570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilter() { 93670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 93770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->describe(mDescription, mCaches.extensions); 93870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 93970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 94070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 94170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(SkXfermode::Mode mode, bool swapSrcDst) { 94270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending((mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 94370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 94470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 94570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 94670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawBlending(bool blend, SkXfermode::Mode mode, bool swapSrcDst) { 94770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy chooseBlending(blend || (mColorSet && mColorA < 1.0f) || (mShader && mShader->blend()), mode, 94870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mDescription, swapSrcDst); 94970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 95070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 95170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawProgram() { 95270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy useProgram(mCaches.programCache.get(mDescription)); 95370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 95470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 95570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawDirtyRegionsDisabled() { 95670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTrackDirtyRegions = false; 95770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 95870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 95970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelViewTranslate(float left, float top, float right, float bottom, 96070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform) { 96170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 96270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreTransform) { 96370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 96470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 96570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 96670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 96770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mTrackDirtyRegions) dirtyLayer(left, top, right, bottom); 96870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 96970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 97070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 9718d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawModelViewIdentity() { 9728d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mCaches.currentProgram->set(mOrthoMatrix, mIdentity, *mSnapshot->transform); 9738d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 9748d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 97570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawModelView(float left, float top, float right, float bottom, 97670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bool ignoreTransform, bool ignoreModelView) { 97770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!ignoreModelView) { 97870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadTranslate(left, top, 0.0f); 97970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.scale(right - left, bottom - top, 1.0f); 98070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 98170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadIdentity(); 98270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 98386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy bool dirty = right - left > 0.0f && bottom - top > 0.0f; 98486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (!ignoreTransform) { 98586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, *mSnapshot->transform); 98686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) { 98786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 98886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 98986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } else { 99086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->set(mOrthoMatrix, mModelView, mIdentity); 99186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy if (mTrackDirtyRegions && dirty) dirtyLayer(left, top, right, bottom); 99286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy } 99370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 99470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 995ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::setupDrawPointUniforms() { 996ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int slot = mCaches.currentProgram->getUniform("pointSize"); 997ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glUniform1f(slot, mDescription.pointSize); 998ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 999ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 100070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorUniforms() { 10015536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mColorSet || (mShader && mSetShaderColor)) { 100270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 100370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 100470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 100570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 100686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guyvoid OpenGLRenderer::setupDrawPureColorUniforms() { 10075536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy if (mSetShaderColor) { 100886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA); 10095536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy } 10105536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy} 10115536841e5452172e7772d84ad5f4a2fc7059c9ddRomain Guy 101270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) { 101370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mShader) { 101470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (ignoreTransform) { 101570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mModelView.loadInverse(*mSnapshot->transform); 101670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 101770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mShader->setupProgram(mCaches.currentProgram, mModelView, *mSnapshot, &mTextureUnit); 101870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 101970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 102070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 10218d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guyvoid OpenGLRenderer::setupDrawShaderIdentityUniforms() { 10228d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy if (mShader) { 10238d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy mShader->setupProgram(mCaches.currentProgram, mIdentity, *mSnapshot, &mTextureUnit); 10248d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 10258d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy} 10268d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 102770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawColorFilterUniforms() { 102870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (mColorFilter) { 102970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mColorFilter->setupProgram(mCaches.currentProgram); 103070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 103170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 103270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 103370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawSimpleMesh() { 103470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(); 103570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 103670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, 0); 103770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 103870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 103970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawTexture(GLuint texture) { 104070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy bindTexture(texture); 104170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glUniform1i(mCaches.currentProgram->getUniform("sampler"), mTextureUnit++); 104270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 104370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mTexCoordsSlot = mCaches.currentProgram->getAttrib("texCoords"); 104470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glEnableVertexAttribArray(mTexCoordsSlot); 104570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 104670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 104770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLuint vbo) { 104870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!vertices) { 104970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.bindMeshBuffer(vbo == 0 ? mCaches.meshBuffer : vbo); 105070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } else { 105170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy mCaches.unbindMeshBuffer(); 105270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy } 105370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glVertexAttribPointer(mCaches.currentProgram->position, 2, GL_FLOAT, GL_FALSE, 105470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy gMeshStride, vertices); 1055cf28957c89127ccfc82d535903c776124665446aDavid Li if (mTexCoordsSlot >= 0) { 10568d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy glVertexAttribPointer(mTexCoordsSlot, 2, GL_FLOAT, GL_FALSE, gMeshStride, texCoords); 10578d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy } 105870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 105970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 106070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guyvoid OpenGLRenderer::finishDrawTexture() { 106170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy glDisableVertexAttribArray(mTexCoordsSlot); 106270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy} 106370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 106470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy/////////////////////////////////////////////////////////////////////////////// 1065f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy// Drawing 1066f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy/////////////////////////////////////////////////////////////////////////////// 1067f6a11b8a9e25ff9861bbba19251bea84d8a5daf2Romain Guy 10687b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guybool OpenGLRenderer::drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, 10697b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy Rect& dirty, uint32_t level) { 10707b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy if (quickReject(0.0f, 0.0f, width, height)) { 10717b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy return false; 10727b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy } 10737b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 10740fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // All the usual checks and setup operations (quickReject, setupDraw, etc.) 10750fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy // will be performed by the display list itself 10760fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy if (displayList) { 1077cabfcc1364eb7e4de0b15b3574fba45027b45cfcRomain Guy return displayList->replay(*this, dirty, level); 10780fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy } 10797b5b6abf852c039983eded25ebe43a70fef5a4abRomain Guy 1080daf98e941e140e8739458126640183b9f296a2abChet Haase return false; 10810fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy} 10820fe478ea04720a57ef3919dbc23711bc7eba517fRomain Guy 1083a168d7372132d6c87835878794b6ed43d0d282fdRomain Guyvoid OpenGLRenderer::drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint) { 1084a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy int alpha; 1085a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy SkXfermode::Mode mode; 1086a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1087a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1088a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1089a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1090a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float x = left; 1091a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy float y = top; 1092a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1093a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy bool ignoreTransform = false; 1094a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (mSnapshot->transform->isPureTranslate()) { 1095a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 1096a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 1097a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy ignoreTransform = true; 1098a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 1099a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1100a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDraw(); 1101a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawWithTexture(true); 11025b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy if (paint) { 11035b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 11045b7a3150a6dbf193b371854b66fa654937633d3aRomain Guy } 1105a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilter(); 1106a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShader(); 1107a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawBlending(true, mode); 1108a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawProgram(); 1109a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height, ignoreTransform); 1110a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawTexture(texture->id); 1111a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawPureColorUniforms(); 1112a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawColorFilterUniforms(); 1113a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawShaderUniforms(); 1114a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 1115a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1116a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1117a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 1118a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy finishDrawTexture(); 1119a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy} 1120a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy 11215c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint) { 11226926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float right = left + bitmap->width(); 11236926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy const float bottom = top + bitmap->height(); 11246926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 11256926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 11266926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 11276926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 11286926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 112986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 11308164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 11319cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 113222158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 113322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 1134a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy if (bitmap->getConfig() == SkBitmap::kA8_Config) { 1135a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawAlphaBitmap(texture, left, top, paint); 1136a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } else { 1137a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy drawTextureRect(left, top, right, bottom, texture, paint); 1138a168d7372132d6c87835878794b6ed43d0d282fdRomain Guy } 11398ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 11408ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 11415c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint) { 1142f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy Rect r(0.0f, 0.0f, bitmap->width(), bitmap->height()); 1143f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy const mat4 transform(*matrix); 1144f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy transform.mapRect(r); 1145f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 11466926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(r.left, r.top, r.right, r.bottom)) { 11476926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 11486926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 11496926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 115086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 11518164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 11529cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 115322158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 115422158e139a3d6c6a9787ca0de224e9368f643284Romain Guy 11555b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // This could be done in a cheaper way, all we need is pass the matrix 11565b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // to the vertex shader. The save/restore is a bit overkill. 11575b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy save(SkCanvas::kMatrix_SaveFlag); 11585b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy concatMatrix(matrix); 11595b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy drawTextureRect(0.0f, 0.0f, bitmap->width(), bitmap->height(), texture, paint); 11605b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy restore(); 1161f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy} 1162f86ef57f8bcd8ba43ce222ec6a8b4f67d3600640Romain Guy 11635a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guyvoid OpenGLRenderer::drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, 11645a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float* vertices, int* colors, SkPaint* paint) { 11655a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy // TODO: Do a quickReject 11665a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!vertices || mSnapshot->isIgnored()) { 11675a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy return; 11685a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 11695a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 11705a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy glActiveTexture(gTextureUnits[0]); 11715a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy Texture* texture = mCaches.textureCache.get(bitmap); 11725a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy if (!texture) return; 11735a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const AutoTexture autoCleanup(texture); 11745a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 11755a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 11765a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int alpha; 11775a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy SkXfermode::Mode mode; 11785a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 11795a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 11805a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy const uint32_t count = meshWidth * meshHeight * 6; 11815a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1182b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float left = FLT_MAX; 1183b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float top = FLT_MAX; 1184b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float right = FLT_MIN; 1185b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy float bottom = FLT_MIN; 1186b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1187b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1188b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = hasLayer(); 1189b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#else 1190b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bool hasActiveLayer = false; 1191b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1192b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1193a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy // TODO: Support the colors array 1194a566b7c3aada08d37cf08096c972e3e641bed773Romain Guy TextureVertex mesh[count]; 11955a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex* vertex = mesh; 11965a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t y = 0; y < meshHeight; y++) { 11975a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy for (int32_t x = 0; x < meshWidth; x++) { 11985a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy uint32_t i = (y * (meshWidth + 1) + x) * 2; 11995a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12005a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u1 = float(x) / meshWidth; 12015a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float u2 = float(x + 1) / meshWidth; 12025a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v1 = float(y) / meshHeight; 12035a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy float v2 = float(y + 1) / meshHeight; 12045a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12055a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ax = i + (meshWidth + 1) * 2; 12065a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int ay = ax + 1; 12075a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int bx = i; 12085a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int by = bx + 1; 12095a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cx = i + 2; 12105a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int cy = cx + 1; 12115a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dx = i + (meshWidth + 1) * 2 + 2; 12125a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy int dy = dx + 1; 12135a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12145a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 12155a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[bx], vertices[by], u1, v1); 12165a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 12175a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12185a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[ax], vertices[ay], u1, v2); 12195a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[cx], vertices[cy], u2, v1); 12205a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy TextureVertex::set(vertex++, vertices[dx], vertices[dy], u2, v2); 1221b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 1222b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1223b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1224b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy // TODO: This could be optimized to avoid unnecessary ops 1225b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy left = fminf(left, fminf(vertices[ax], fminf(vertices[bx], vertices[cx]))); 1226b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy top = fminf(top, fminf(vertices[ay], fminf(vertices[by], vertices[cy]))); 1227b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy right = fmaxf(right, fmaxf(vertices[ax], fmaxf(vertices[bx], vertices[cx]))); 1228b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy bottom = fmaxf(bottom, fmaxf(vertices[ay], fmaxf(vertices[by], vertices[cy]))); 1229b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1230b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 12315a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 12325a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy } 12335a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 1234b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#if RENDER_LAYERS_AS_REGIONS 1235b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy if (hasActiveLayer) { 1236b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 1237b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy } 1238b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy#endif 1239b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy 12405a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy drawTextureMesh(0.0f, 0.0f, 1.0f, 1.0f, texture->id, alpha / 255.0f, 12415a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy mode, texture->blend, &mesh[0].position[0], &mesh[0].texture[0], 1242b18d2d0079b4dbf5675ab79b7111b3dfb3cc1ad0Romain Guy GL_TRIANGLES, count, false, false, 0, false, false); 12435a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy} 12445a7b466a2b4b7ced739bd5c31e022de61650545aRomain Guy 12458ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guyvoid OpenGLRenderer::drawBitmap(SkBitmap* bitmap, 12468ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float srcLeft, float srcTop, float srcRight, float srcBottom, 12478ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy float dstLeft, float dstTop, float dstRight, float dstBottom, 12485c13d89c1332fcc499379b9064b891187b75ca32Chet Haase SkPaint* paint) { 12496926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(dstLeft, dstTop, dstRight, dstBottom)) { 12506926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 12516926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 12526926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1253746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 12548164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 12559cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 125622158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 12578164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 12588ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 12598ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float width = texture->width; 12608ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float height = texture->height; 1261c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 12628ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u1 = srcLeft / width; 12638ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v1 = srcTop / height; 12648ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float u2 = srcRight / width; 12658ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy const float v2 = srcBottom / height; 1266c1396e93b6a5286a5183c00c781b62e940a12c1fRomain Guy 126703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 12688ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(u1, v1, u2, v2); 12698ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 127003750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy int alpha; 127103750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy SkXfermode::Mode mode; 127203750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy getAlphaAndMode(paint, &alpha, &mode); 127303750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy 12746620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 12756620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(dstLeft + mSnapshot->transform->getTranslateX() + 0.5f); 12766620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(dstTop + mSnapshot->transform->getTranslateY() + 0.5f); 12776620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 12786620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + (dstRight - dstLeft), y + (dstBottom - dstTop), 12796620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->id, alpha / 255.0f, mode, texture->blend, 12806620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 12816620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount, false, true); 12826620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 12836620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(dstLeft, dstTop, dstRight, dstBottom, texture->id, alpha / 255.0f, 12846620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, &mMeshVertices[0].position[0], &mMeshVertices[0].texture[0], 12856620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 12866620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 12878ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 12888ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy resetDrawTextureTexCoords(0.0f, 0.0f, 1.0f, 1.0f); 1289ce0537b80087a6225273040a987414b1dd081aa0Romain Guy} 1290ce0537b80087a6225273040a987414b1dd081aa0Romain Guy 12914aa90573bbf86db0d33a3a790c5dbd0d93b95cfeRomain Guyvoid OpenGLRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, 12924bb942083a0d4db746adf95349108dd8ef842e32Romain Guy const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, 12935c13d89c1332fcc499379b9064b891187b75ca32Chet Haase float left, float top, float right, float bottom, SkPaint* paint) { 12946926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 12956926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 12966926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 12976926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1298746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy glActiveTexture(gTextureUnits[0]); 12998164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture = mCaches.textureCache.get(bitmap); 13009cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 130122158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 13028164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 1303f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1304f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy int alpha; 1305f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy SkXfermode::Mode mode; 1306f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy getAlphaAndMode(paint, &alpha, &mode); 1307f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 13082728f961614a385df1f056fc24803a9f65c90fabRomain Guy const Patch* mesh = mCaches.patchCache.get(bitmap->width(), bitmap->height(), 13094bb942083a0d4db746adf95349108dd8ef842e32Romain Guy right - left, bottom - top, xDivs, yDivs, colors, width, height, numColors); 1310f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1311a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy if (mesh && mesh->verticesCount > 0) { 13126620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 1313a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#if RENDER_LAYERS_AS_REGIONS 13145b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy // Mark the current layer dirty where we are going to draw the patch 13158168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy if (hasLayer() && mesh->hasEmptyQuads) { 1316c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetX = left + mSnapshot->transform->getTranslateX(); 1317c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float offsetY = top + mSnapshot->transform->getTranslateY(); 13185b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy const size_t count = mesh->quads.size(); 13195b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy for (size_t i = 0; i < count; i++) { 13208ab4079ca27e36e5c584495bcd71b573598ac021Romain Guy const Rect& bounds = mesh->quads.itemAt(i); 13216620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 1322c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float x = (int) floorf(bounds.left + offsetX + 0.5f); 1323c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy const float y = (int) floorf(bounds.top + offsetY + 0.5f); 1324c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(x, y, x + bounds.getWidth(), y + bounds.getHeight()); 13256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 1326c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy dirtyLayer(left + bounds.left, top + bounds.top, 1327c78b5d50f961ac8f696f8282979ae283cacd3574Romain Guy left + bounds.right, top + bounds.bottom, *mSnapshot->transform); 13286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 13295b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 13305b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1331a5ef39a21683189e5906c9f252b997f0508e350dRomain Guy#endif 13325b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 13336620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 13346620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 13356620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 13366620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 13376620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + right - left, y + bottom - top, texture->id, alpha / 255.0f, 13386620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 13396620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, true, mesh->meshBuffer, 13406620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 13416620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 13426620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, 13436620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mode, texture->blend, (GLvoid*) 0, (GLvoid*) gMeshTextureOffset, 13446620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLES, mesh->verticesCount, false, false, mesh->meshBuffer, 13456620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy true, !mesh->hasEmptyQuads); 13466620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1347054dc1840941665e32036f9523df51720ad069c8Romain Guy } 1348f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1349f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 13505c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawLines(float* points, int count, SkPaint* paint) { 1351af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1352dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 1353a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool isAA = paint->isAntiAlias(); 1354a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const float strokeWidth = paint->getStrokeWidth() * 0.5f; 1355a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // A stroke width of 0 has a special meaningin Skia: 1356a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // it draws an unscaled 1px wide line 1357a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 1358a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1359759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy int alpha; 1360759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy SkXfermode::Mode mode; 1361759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1362759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1363a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy int verticesCount = count >> 2; 13647230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy int generatedVerticesCount = 0; 1365a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!isHairLine) { 1366a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: AA needs more vertices 1367a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy verticesCount *= 6; 1368a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } else { 1369a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: AA will be different 1370a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy verticesCount *= 2; 1371a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1372759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1373a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex lines[verticesCount]; 1374a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy TextureVertex* vertex = &lines[0]; 1375759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 13768d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDraw(); 13778d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColor(paint->getColor(), alpha); 13788d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorFilter(); 13798d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawShader(); 13808d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawBlending(mode); 13818d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawProgram(); 13828d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawModelViewIdentity(); 13838d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorUniforms(); 13848d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawColorFilterUniforms(); 13858d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawShaderIdentityUniforms(); 13868d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy setupDrawMesh(vertex); 1387759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1388a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy if (!isHairLine) { 1389a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Handle the AA case 1390a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy for (int i = 0; i < count; i += 4) { 1391a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // a = start point, b = end point 1392a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 a(points[i], points[i + 1]); 1393a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 b(points[i + 2], points[i + 3]); 1394a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1395a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Bias to snap to the same pixels as Skia 1396a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy a += 0.375; 1397a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy b += 0.375; 1398a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1399a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Find the normal to the line 1400a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 n = (b - a).copyNormalized() * strokeWidth; 1401a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy float x = n.x; 1402a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy n.x = -n.y; 1403a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy n.y = x; 1404a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 1405a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // Four corners of the rectangle defining a thick line 1406a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p1 = a - n; 1407a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p2 = a + n; 1408a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p3 = b + n; 1409a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy vec2 p4 = b - n; 1410a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 14117230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float left = fmin(p1.x, fmin(p2.x, fmin(p3.x, p4.x))); 14127230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float right = fmax(p1.x, fmax(p2.x, fmax(p3.x, p4.x))); 14137230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float top = fmin(p1.y, fmin(p2.y, fmin(p3.y, p4.y))); 14147230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy const float bottom = fmax(p1.y, fmax(p2.y, fmax(p3.y, p4.y))); 14157230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 14167230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy if (!quickReject(left, top, right, bottom)) { 14177230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // Draw the line as 2 triangles, could be optimized 14187230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // by using only 4 vertices and the correct indices 14197230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // Also we should probably used non textured vertices 14207230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // when line AA is disabled to save on bandwidth 14217230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p1.x, p1.y, 0.0f, 0.0f); 14227230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p2.x, p2.y, 0.0f, 0.0f); 14237230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p3.x, p3.y, 0.0f, 0.0f); 14247230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p1.x, p1.y, 0.0f, 0.0f); 14257230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p3.x, p3.y, 0.0f, 0.0f); 14267230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy TextureVertex::set(vertex++, p4.x, p4.y, 0.0f, 0.0f); 14277230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 14287230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy generatedVerticesCount += 6; 14297230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 14307230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy dirtyLayer(left, top, right, bottom, *mSnapshot->transform); 14317230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy } 1432a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 1433a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy 14347230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy if (generatedVerticesCount > 0) { 14357230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy // GL_LINE does not give the result we want to match Skia 14367230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy glDrawArrays(GL_TRIANGLES, 0, generatedVerticesCount); 14377230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy } 1438a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } else { 1439a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy // TODO: Handle the AA case 1440a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy for (int i = 0; i < count; i += 4) { 144167ac217a81f34ee3d35df84b38f3456843c40706Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 144267ac217a81f34ee3d35df84b38f3456843c40706Romain Guy TextureVertex::set(vertex++, points[i + 2], points[i + 3], 0.0f, 0.0f); 14437230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 144467ac217a81f34ee3d35df84b38f3456843c40706Romain Guy generatedVerticesCount += 2; 14457230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 144667ac217a81f34ee3d35df84b38f3456843c40706Romain Guy const float left = fmin(points[i], points[i + 2]); 144767ac217a81f34ee3d35df84b38f3456843c40706Romain Guy const float right = fmax(points[i], points[i + 2]); 144867ac217a81f34ee3d35df84b38f3456843c40706Romain Guy const float top = fmin(points[i + 1], points[i + 3]); 144967ac217a81f34ee3d35df84b38f3456843c40706Romain Guy const float bottom = fmax(points[i + 1], points[i + 3]); 14507230a74e9a36dfc6c4346c14e325bf07cd05b380Romain Guy 145167ac217a81f34ee3d35df84b38f3456843c40706Romain Guy dirtyLayer(left, top, 145267ac217a81f34ee3d35df84b38f3456843c40706Romain Guy right == left ? left + 1 : right, bottom == top ? top + 1 : bottom, 145367ac217a81f34ee3d35df84b38f3456843c40706Romain Guy *mSnapshot->transform); 1454a957eea78557cb47a91d44d9e6ee641c58cf1c07Romain Guy } 14558d0d4783a0206c5884bf0b958d181f450ba5207dRomain Guy 145667ac217a81f34ee3d35df84b38f3456843c40706Romain Guy glLineWidth(1.0f); 145767ac217a81f34ee3d35df84b38f3456843c40706Romain Guy glDrawArrays(GL_LINES, 0, generatedVerticesCount); 145829d8997bd43b7c4ad37fc3d6f91eaafa74913c88Romain Guy } 1459759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy} 1460759ea80dca64ad652110a129e0d8bf93fea79f61Romain Guy 1461ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guyvoid OpenGLRenderer::drawPoints(float* points, int count, SkPaint* paint) { 1462ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy if (mSnapshot->isIgnored()) return; 1463ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1464ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: The paint's cap style defines whether the points are square or circular 1465ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // TODO: Handle AA for round points 1466ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1467ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // A stroke width of 0 has a special meaningin Skia: 1468ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy // it draws an unscaled 1px point 1469ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy const bool isHairLine = paint->getStrokeWidth() == 0.0f; 1470ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1471ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int alpha; 1472ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy SkXfermode::Mode mode; 1473ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy getAlphaAndMode(paint, &alpha, &mode); 1474ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1475ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int verticesCount = count >> 1; 1476ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy int generatedVerticesCount = 0; 1477ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1478ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex pointsData[verticesCount]; 1479ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex* vertex = &pointsData[0]; 1480ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1481ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDraw(); 1482ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPoint(isHairLine ? 1.0f : paint->getStrokeWidth()); 1483ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColor(paint->getColor(), alpha); 1484ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilter(); 1485ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShader(); 1486ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawBlending(mode); 1487ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawProgram(); 1488ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawModelViewIdentity(); 1489ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorUniforms(); 1490ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawColorFilterUniforms(); 1491ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawPointUniforms(); 1492ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawShaderIdentityUniforms(); 1493ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy setupDrawMesh(vertex); 1494ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1495ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy for (int i = 0; i < count; i += 2) { 1496ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy TextureVertex::set(vertex++, points[i], points[i + 1], 0.0f, 0.0f); 1497ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy generatedVerticesCount++; 1498ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy } 1499ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 1500ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy glDrawArrays(GL_POINTS, 0, generatedVerticesCount); 1501ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy} 1502ed6fcb034b44d9a6ac2fc72fee6030417811f234Romain Guy 150385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guyvoid OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) { 1504e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy // No need to check against the clip, we fill the clip region 1505af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1506e45362cad94c014d8b3765cb102db0f8c0d92500Romain Guy 1507ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy Rect& clip(*mSnapshot->clipRect); 1508ae88e5e8e9cb6c9539314c4360c5b20f8ec1fefcRomain Guy clip.snapToPixelBoundaries(); 150970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 15103d58c03de0d8877b36cdb78b0ca8b5cac7f600e2Romain Guy drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true); 1511c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 15129d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1513c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawShape(float left, float top, const PathTexture* texture, SkPaint* paint) { 151401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (!texture) return; 151501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const AutoTexture autoCleanup(texture); 151601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 151701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float x = left + texture->left - texture->offset; 151801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const float y = top + texture->top - texture->offset; 151901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 152001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 152101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 152201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1523c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom, 1524c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy float rx, float ry, SkPaint* paint) { 152501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (mSnapshot->isIgnored()) return; 152601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 152701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 1528c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect( 1529c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy right - left, bottom - top, rx, ry, paint); 1530c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 1531c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 153201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1533c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) { 1534c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 1535c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 1536c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 153701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint); 1538c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(x - radius, y - radius, texture, paint); 1539c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 154001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1541c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawOval(float left, float top, float right, float bottom, SkPaint* paint) { 1542c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 154301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1544c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 1545c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, paint); 1546c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 1547c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy} 1548c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 15498b2f5267f16c295f12faab810527cd6311997e34Romain Guyvoid OpenGLRenderer::drawArc(float left, float top, float right, float bottom, 15508b2f5267f16c295f12faab810527cd6311997e34Romain Guy float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) { 15518b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (mSnapshot->isIgnored()) return; 15528b2f5267f16c295f12faab810527cd6311997e34Romain Guy 15538b2f5267f16c295f12faab810527cd6311997e34Romain Guy if (fabs(sweepAngle) >= 360.0f) { 15548b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawOval(left, top, right, bottom, paint); 15558b2f5267f16c295f12faab810527cd6311997e34Romain Guy return; 15568b2f5267f16c295f12faab810527cd6311997e34Romain Guy } 15578b2f5267f16c295f12faab810527cd6311997e34Romain Guy 15588b2f5267f16c295f12faab810527cd6311997e34Romain Guy glActiveTexture(gTextureUnits[0]); 15598b2f5267f16c295f12faab810527cd6311997e34Romain Guy const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top, 15608b2f5267f16c295f12faab810527cd6311997e34Romain Guy startAngle, sweepAngle, useCenter, paint); 15618b2f5267f16c295f12faab810527cd6311997e34Romain Guy drawShape(left, top, texture, paint); 15628b2f5267f16c295f12faab810527cd6311997e34Romain Guy} 15638b2f5267f16c295f12faab810527cd6311997e34Romain Guy 1564c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guyvoid OpenGLRenderer::drawRectAsShape(float left, float top, float right, float bottom, 1565c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy SkPaint* paint) { 1566c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (mSnapshot->isIgnored()) return; 1567c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 1568c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy glActiveTexture(gTextureUnits[0]); 1569c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy const PathTexture* texture = mCaches.rectShapeCache.getRect(right - left, bottom - top, paint); 1570c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawShape(left, top, texture, paint); 157101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 157201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 15735c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) { 1574c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy if (p->getStyle() != SkPaint::kFill_Style) { 1575c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy drawRectAsShape(left, top, right, bottom, p); 1576c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy return; 1577c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy } 1578c1cd9ba335b293f11e1082447ef08e474710a05fRomain Guy 15796926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy if (quickReject(left, top, right, bottom)) { 15806926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return; 15816926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy } 15826926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 1583026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy SkXfermode::Mode mode; 1584746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 1585a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(p->getXfermode(), &mode); 1586a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 1587a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 1588a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = SkXfermode::kSrcOver_Mode; 1589a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 1590a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 1591a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mode = getXfermode(p->getXfermode()); 1592026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy } 1593026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 1594026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy int color = p->getColor(); 1595026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy drawColorRect(left, top, right, bottom, color, mode); 1596c7d53494f1fbd9f9d74af89053ff9fdb1ccbac6cRomain Guy} 15979d5316e3f56d138504565ff311145ac01621dff4Romain Guy 1598e8e62a4a032a80409114a37908b5f18ab0080848Romain Guyvoid OpenGLRenderer::drawText(const char* text, int bytesCount, int count, 1599e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy float x, float y, SkPaint* paint) { 1600b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (text == NULL || count == 0) { 1601e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy return; 1602e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1603af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1604e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 1605f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy paint->setAntiAlias(true); 1606e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 1607a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy float length = -1.0f; 1608e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy switch (paint->getTextAlign()) { 1609e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kCenter_Align: 1610e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1611e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length / 2.0f; 1612e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1613e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy case SkPaint::kRight_Align: 1614e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy length = paint->measureText(text, bytesCount); 1615e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy x -= length; 1616e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1617e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy default: 1618e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy break; 1619e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy } 1620e8e62a4a032a80409114a37908b5f18ab0080848Romain Guy 16213a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldX = x; 16223a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy const float oldY = y; 16236620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const bool pureTranslate = mSnapshot->transform->isPureTranslate(); 16246620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate) { 16256620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy x = (int) floorf(x + mSnapshot->transform->getTranslateX() + 0.5f); 16266620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy y = (int) floorf(y + mSnapshot->transform->getTranslateY() + 0.5f); 16276620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16286620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 1629b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy FontRenderer& fontRenderer = mCaches.fontRenderer.getFontRenderer(paint); 1630b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy fontRenderer.setFont(paint, SkTypeface::UniqueID(paint->getTypeface()), 1631fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy paint->getTextSize()); 1632e2d345ea67e2960b37bfdc0fc8626d1bfa747404Romain Guy 163386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy int alpha; 163486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy SkXfermode::Mode mode; 163586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy getAlphaAndMode(paint, &alpha, &mode); 16369d13fe25f4f10b25776b1dc5c858f9ebb0b28b30Romain Guy 16371e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy if (mHasShadow) { 1638b45c0c9774bd19a9dbe77d149abae4e124b08bf6Romain Guy mCaches.dropShadowCache.setFontRenderer(fontRenderer); 1639fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const ShadowTexture* shadow = mCaches.dropShadowCache.get(paint, text, bytesCount, 16401e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy count, mShadowRadius); 16411e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy const AutoTexture autoCleanup(shadow); 16420a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 164386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float sx = x - shadow->left + mShadowDx; 164486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const float sy = y - shadow->top + mShadowDy; 164586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 164686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy const int shadowAlpha = ((mShadowColor >> 24) & 0xFF); 164786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy 164886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 164986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 165086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 165186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(mShadowColor, shadowAlpha < 255 ? shadowAlpha : alpha); 165286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 165386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 165486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(sx, sy, sx + shadow->width, sy + shadow->height, pureTranslate); 165586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(shadow->id); 165686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 165786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 16580a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 16590a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 166086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy finishDrawTexture(); 16611e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy } 16621e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 1663b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy if (paint->getAlpha() == 0 && paint->getXfermode() == NULL) { 1664b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy return; 1665b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy } 1666b146b1214ef6e4fc75d98779b22434335764cfdbRomain Guy 16676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy // Pick the appropriate texture filtering 16686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy bool linearFilter = mSnapshot->transform->changesBounds(); 16696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (pureTranslate && !linearFilter) { 16706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy linearFilter = fabs(y - (int) y) > 0.0f || fabs(x - (int) x) > 0.0f; 16716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 16725b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 167386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy glActiveTexture(gTextureUnits[0]); 167486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDraw(); 167586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawDirtyRegionsDisabled(); 167686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawWithTexture(true); 167786568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 167886568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilter(); 167986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShader(); 168086568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawBlending(true, mode); 168186568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawProgram(); 168286568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawModelView(x, y, x, y, pureTranslate, true); 168386568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawTexture(fontRenderer.getTexture(linearFilter)); 168486568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 168586568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawColorFilterUniforms(); 168686568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawShaderUniforms(pureTranslate); 168706f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 16886620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const Rect* clip = pureTranslate ? mSnapshot->clipRect : &mSnapshot->getLocalClip(); 16895b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy Rect bounds(FLT_MAX / 2.0f, FLT_MAX / 2.0f, FLT_MIN / 2.0f, FLT_MIN / 2.0f); 16905b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy 16915b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 1692f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = hasLayer(); 16935b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#else 1694f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy bool hasActiveLayer = false; 16955b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 169603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy mCaches.unbindMeshBuffer(); 1697894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk 1698894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk // Tell font renderer the locations of position and texture coord 1699894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk // attributes so it can bind its data properly 1700894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk int positionSlot = mCaches.currentProgram->position; 1701894df17eee708688c8a6e67941add2017239c790Alex Sakhartchouk fontRenderer.setAttributeBindingSlots(positionSlot, mTexCoordsSlot); 17026620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (fontRenderer.renderText(paint, clip, text, 0, bytesCount, count, x, y, 1703f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy hasActiveLayer ? &bounds : NULL)) { 17045b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#if RENDER_LAYERS_AS_REGIONS 1705f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy if (hasActiveLayer) { 17066620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (!pureTranslate) { 17076620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy mSnapshot->transform->mapRect(bounds); 17086620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 1709f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy dirtyLayerUnchecked(bounds, getRegion()); 17105b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 17115b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy#endif 17125b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy } 1713694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 1714694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); 1715fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy glDisableVertexAttribArray(mCaches.currentProgram->getAttrib("texCoords")); 1716a674ab74e359ac73b4c4dd6b1a3a771836ac7e40Romain Guy 17173a3fa1be9ab8e11edc660ecb35ae21ae0b5c8cc2Romain Guy drawTextDecorations(text, bytesCount, length, oldX, oldY, paint); 1718694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy} 1719694b519ac647fe998fd396fe0784cc8e179aadc4Romain Guy 17207fbcc0492fca03857e3c45064f4aa040af817d55Romain Guyvoid OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) { 1721af636ebf5feb2837683fbfe965040cb706b32ec1Romain Guy if (mSnapshot->isIgnored()) return; 1722dbc26d2ba13f80a7590c57de2d80530d96832969Romain Guy 172301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glActiveTexture(gTextureUnits[0]); 17247fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1725fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy const PathTexture* texture = mCaches.pathCache.get(path, paint); 17269cccc2b9bdd4850a3f9679569aaec3ab98477a5dRomain Guy if (!texture) return; 172722158e139a3d6c6a9787ca0de224e9368f643284Romain Guy const AutoTexture autoCleanup(texture); 17287fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 17298b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float x = texture->left - texture->offset; 17308b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy const float y = texture->top - texture->offset; 17318b55f377655d13a445b08a0a8ed09b6e95c752b0Romain Guy 173201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy drawPathTexture(texture, x, y, paint); 17337fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy} 17347fbcc0492fca03857e3c45064f4aa040af817d55Romain Guy 1735ada830f639591b99c3e40de22b07296c7932a33fRomain Guyvoid OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) { 1736ada830f639591b99c3e40de22b07296c7932a33fRomain Guy if (!layer || quickReject(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight())) { 17376c319ca1275c8db892c39b48fc54864c949f9171Romain Guy return; 17386c319ca1275c8db892c39b48fc54864c949f9171Romain Guy } 17396c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 17406c319ca1275c8db892c39b48fc54864c949f9171Romain Guy glActiveTexture(gTextureUnits[0]); 17416c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 17426c319ca1275c8db892c39b48fc54864c949f9171Romain Guy int alpha; 17436c319ca1275c8db892c39b48fc54864c949f9171Romain Guy SkXfermode::Mode mode; 17446c319ca1275c8db892c39b48fc54864c949f9171Romain Guy getAlphaAndMode(paint, &alpha, &mode); 17456c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1746ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->alpha = alpha; 1747ada830f639591b99c3e40de22b07296c7932a33fRomain Guy layer->mode = mode; 17486c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 1749f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#if RENDER_LAYERS_AS_REGIONS 1750c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (!layer->region.isEmpty()) { 1751c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy if (layer->region.isRect()) { 175240667676e542a9daeafeac9904c30004e8706fd3Romain Guy composeLayerRect(layer, layer->regionRect); 1753c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } else if (layer->mesh) { 17548168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy const float a = alpha / 255.0f; 1755c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy const Rect& rect = layer->layer; 1756c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 1757c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDraw(); 1758c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawWithTexture(); 17598168396d1acbcb5fdd29eeda4c30b2803d5283aeRomain Guy setupDrawColor(a, a, a, a); 1760c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilter(); 1761c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawBlending(layer->blend || layer->alpha < 255, layer->mode, false); 1762c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawProgram(); 176340667676e542a9daeafeac9904c30004e8706fd3Romain Guy setupDrawModelViewTranslate(x, y, 176440667676e542a9daeafeac9904c30004e8706fd3Romain Guy x + layer->layer.getWidth(), y + layer->layer.getHeight()); 1765c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawPureColorUniforms(); 1766c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawColorFilterUniforms(); 1767c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawTexture(layer->texture); 1768c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy setupDrawMesh(&layer->mesh[0].position[0], &layer->mesh[0].texture[0]); 1769c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 1770c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy glDrawElements(GL_TRIANGLES, layer->meshElementCount, 1771c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy GL_UNSIGNED_SHORT, layer->meshIndices); 1772c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy 1773c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy finishDrawTexture(); 17743a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy 17753a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#if DEBUG_LAYERS_AS_REGIONS 17763a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy drawRegionRects(layer->region); 17773a3133d876caf60ebff2176ad75c3dcf0259148dRomain Guy#endif 1778c88e357d1ed9dadfc0efb3dfbe92f24460674ef5Romain Guy } 1779f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy } 1780f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#else 1781ada830f639591b99c3e40de22b07296c7932a33fRomain Guy const Rect r(x, y, x + layer->layer.getWidth(), y + layer->layer.getHeight()); 1782ada830f639591b99c3e40de22b07296c7932a33fRomain Guy composeLayerRect(layer, r); 1783f219da5e32e85deb442468ee9a63bb28eb198557Romain Guy#endif 17846c319ca1275c8db892c39b48fc54864c949f9171Romain Guy} 17856c319ca1275c8db892c39b48fc54864c949f9171Romain Guy 17866926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 1787d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy// Shaders 1788d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1789d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 1790d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guyvoid OpenGLRenderer::resetShader() { 179106f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = NULL; 179206f96e2652e4855b6520ad9dd70583677605b79aRomain Guy} 179306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy 179406f96e2652e4855b6520ad9dd70583677605b79aRomain Guyvoid OpenGLRenderer::setupShader(SkiaShader* shader) { 179506f96e2652e4855b6520ad9dd70583677605b79aRomain Guy mShader = shader; 179606f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 1797fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mShader->set(&mCaches.textureCache, &mCaches.gradientCache); 179806f96e2652e4855b6520ad9dd70583677605b79aRomain Guy } 17997fac2e18339f765320d759e8d4c090f92431959eRomain Guy} 18007fac2e18339f765320d759e8d4c090f92431959eRomain Guy 1801d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy/////////////////////////////////////////////////////////////////////////////// 1802db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy// Color filters 1803db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 1804db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1805db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::resetColorFilter() { 1806db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = NULL; 1807db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1808db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1809db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guyvoid OpenGLRenderer::setupColorFilter(SkiaColorFilter* filter) { 1810db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy mColorFilter = filter; 1811db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy} 1812db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 1813db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy/////////////////////////////////////////////////////////////////////////////// 18141e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy// Drop shadow 18151e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 18161e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 18171e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::resetShadow() { 18181e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = false; 18191e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 18201e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 18211e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guyvoid OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) { 18221e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mHasShadow = true; 18231e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowRadius = radius; 18241e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDx = dx; 18251e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowDy = dy; 18261e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy mShadowColor = color; 18271e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy} 18281e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy 18291e45aae5de003657e5d18f74d34998f5de5db5b7Romain Guy/////////////////////////////////////////////////////////////////////////////// 18306926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy// Drawing implementation 18316926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy/////////////////////////////////////////////////////////////////////////////// 18326926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy 183301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guyvoid OpenGLRenderer::drawPathTexture(const PathTexture* texture, 183401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy float x, float y, SkPaint* paint) { 183501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy if (quickReject(x, y, x + texture->width, y + texture->height)) { 183601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy return; 183701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy } 183801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 183901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy int alpha; 184001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy SkXfermode::Mode mode; 184101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy getAlphaAndMode(paint, &alpha, &mode); 184201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 184301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDraw(); 184401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawWithTexture(true); 184501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawAlpha8Color(paint->getColor(), alpha); 184601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilter(); 184701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShader(); 184801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawBlending(true, mode); 184901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawProgram(); 185001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawModelView(x, y, x + texture->width, y + texture->height); 185101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawTexture(texture->id); 185201d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawPureColorUniforms(); 185301d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawColorFilterUniforms(); 185401d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawShaderUniforms(); 185501d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset); 185601d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 185701d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 185801d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 185901d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy finishDrawTexture(); 186001d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy} 186101d58e43ede5ca98cbebdd166f9b0c545032c01bRomain Guy 1862f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy// Same values used by Skia 18630a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdStrikeThru_Offset (-6.0f / 21.0f) 18640a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Offset (1.0f / 9.0f) 18650a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy#define kStdUnderline_Thickness (1.0f / 18.0f) 18660a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 18670a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guyvoid OpenGLRenderer::drawTextDecorations(const char* text, int bytesCount, float length, 18680a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float x, float y, SkPaint* paint) { 18690a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // Handle underline and strike-through 18700a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy uint32_t flags = paint->getFlags(); 18710a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & (SkPaint::kUnderlineText_Flag | SkPaint::kStrikeThruText_Flag)) { 18720a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float underlineWidth = length; 18730a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy // If length is > 0.0f, we already measured the text for the text alignment 18740a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (length <= 0.0f) { 18750a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy underlineWidth = paint->measureText(text, bytesCount); 18760a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 18770a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 18780a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float offsetX = 0; 18790a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy switch (paint->getTextAlign()) { 18800a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kCenter_Align: 18810a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth * 0.5f; 18820a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 18830a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy case SkPaint::kRight_Align: 18840a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy offsetX = underlineWidth; 18850a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 18860a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy default: 18870a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy break; 18880a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 18890a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 18900a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (underlineWidth > 0.0f) { 1891e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float textSize = paint->getTextSize(); 1892f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy // TODO: Support stroke width < 1.0f when we have AA lines 1893f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const float strokeWidth = fmax(textSize * kStdUnderline_Thickness, 1.0f); 18940a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1895e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy const float left = x - offsetX; 18960a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy float top = 0.0f; 1897e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1898f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy int linesCount = 0; 1899f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kUnderlineText_Flag) linesCount++; 1900f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) linesCount++; 1901f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy 1902f6834478b379856d3e5de92ddce7de0e6ba9fa4aRomain Guy const int pointsCount = 4 * linesCount; 1903e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy float points[pointsCount]; 1904e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy int currentPoint = 0; 19050a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 19060a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kUnderlineText_Flag) { 19070a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdUnderline_Offset; 1908e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 1909e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 1910e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 1911e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 19120a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 19130a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 19140a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy if (flags & SkPaint::kStrikeThruText_Flag) { 19150a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy top = y + textSize * kStdStrikeThru_Offset; 1916e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left; 1917e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 1918e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = left + underlineWidth; 1919e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy points[currentPoint++] = top; 19200a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 1921e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1922e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy SkPaint linesPaint(*paint); 1923e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy linesPaint.setStrokeWidth(strokeWidth); 1924e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy 1925e20ecbd12d26467754a7770d44bcce2ea92335efRomain Guy drawLines(&points[0], pointsCount, &linesPaint); 19260a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 19270a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy } 19280a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy} 19290a41749953f35d33f61b3119e3161a82bb5fa59eRomain Guy 1930026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::drawColorRect(float left, float top, float right, float bottom, 19311c740bce8a762f02b5283045a0e2de7c8fb41277Romain Guy int color, SkXfermode::Mode mode, bool ignoreTransform) { 1932d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy // If a shader is set, preserve only the alpha 193306f96e2652e4855b6520ad9dd70583677605b79aRomain Guy if (mShader) { 1934d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy color |= 0x00ffffff; 1935d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy } 1936d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy 193770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 193870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(color); 193970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShader(); 194070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 194170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(mode); 194270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 194370ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 194470ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorUniforms(); 194570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawShaderUniforms(ignoreTransform); 194670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 194770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawSimpleMesh(); 1948c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 1949c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount); 1950c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy} 1951c95c8d6bf8fda5c4e8ebd0033b789be7868e6e07Romain Guy 195282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 19538164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy Texture* texture, SkPaint* paint) { 195482ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy int alpha; 195582ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy SkXfermode::Mode mode; 195682ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy getAlphaAndMode(paint, &alpha, &mode); 195782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 19588164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy setTextureWrapModes(texture, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE); 19598164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy 19606620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy if (mSnapshot->transform->isPureTranslate()) { 19616620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float x = (int) floorf(left + mSnapshot->transform->getTranslateX() + 0.5f); 19626620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy const float y = (int) floorf(top + mSnapshot->transform->getTranslateY() + 0.5f); 19636620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy 19646620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(x, y, x + texture->width, y + texture->height, texture->id, 19656620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy alpha / 255.0f, mode, texture->blend, (GLvoid*) NULL, 19666620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount, false, true); 19676620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } else { 19686620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy drawTextureMesh(left, top, right, bottom, texture->id, alpha / 255.0f, mode, 19696620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy texture->blend, (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, 19706620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy GL_TRIANGLE_STRIP, gMeshCount); 19716620c6d413f972819fada92b574f0fa9e96d36c1Romain Guy } 197285bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy} 197385bf02fc16784d935fb9eebfa9cb20fe46ff7951Romain Guy 1974bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guyvoid OpenGLRenderer::drawTextureRect(float left, float top, float right, float bottom, 1975a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend) { 1976a979474f15b454c8e2963f239a3770e200bb227cRomain Guy drawTextureMesh(left, top, right, bottom, texture, alpha, mode, blend, 197703750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy (GLvoid*) NULL, (GLvoid*) gMeshTextureOffset, GL_TRIANGLE_STRIP, gMeshCount); 1978f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy} 1979f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guy 1980f7f93556c8fcc640ab5adef79d021a80a72a645aRomain Guyvoid OpenGLRenderer::drawTextureMesh(float left, float top, float right, float bottom, 1981a979474f15b454c8e2963f239a3770e200bb227cRomain Guy GLuint texture, float alpha, SkXfermode::Mode mode, bool blend, 19826820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, 19835b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy bool swapSrcDst, bool ignoreTransform, GLuint vbo, bool ignoreScale, bool dirty) { 19848694230ff25fa0a60e480d424843e56b718f0516Romain Guy 198570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDraw(); 198670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawWithTexture(); 198770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColor(alpha, alpha, alpha, alpha); 198870ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilter(); 198970ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawBlending(blend, mode, swapSrcDst); 199070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawProgram(); 199170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy if (!dirty) { 199270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawDirtyRegionsDisabled(); 1993db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 19945b3b35296e8b2c8d3f07d32bb645d5414db41a1dRomain Guy if (!ignoreScale) { 199570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelView(left, top, right, bottom, ignoreTransform); 199603750a067e818ca7fbd0f590e2ff6a8fded21e6cRomain Guy } else { 199770ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawModelViewTranslate(left, top, right, bottom, ignoreTransform); 1998db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy } 199986568198f2c83d4ce5c4cd692eda074ba9de9ed2Romain Guy setupDrawPureColorUniforms(); 200070ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawColorFilterUniforms(); 200170ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawTexture(texture); 200270ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy setupDrawMesh(vertices, texCoords, vbo); 2003db1938e0e6ef816e228c815adccebd5cb05f2aa8Romain Guy 20046820ac8b14b4558f5d8b833dde80895306a3e137Romain Guy glDrawArrays(drawMode, 0, elementsCount); 200570ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy 200670ca14e08ae197547ac412e8a1210e1ebdfb2eb1Romain Guy finishDrawTexture(); 200782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy} 200882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2009a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyvoid OpenGLRenderer::chooseBlending(bool blend, SkXfermode::Mode mode, 2010f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy ProgramDescription& description, bool swapSrcDst) { 201182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy blend = blend || mode != SkXfermode::kSrcOver_Mode; 201282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy if (blend) { 2013a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode < SkXfermode::kPlus_Mode) { 2014a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!mCaches.blend) { 2015a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glEnable(GL_BLEND); 2016a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 201782ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2018f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum sourceMode = swapSrcDst ? gBlendsSwap[mode].src : gBlends[mode].src; 2019f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy GLenum destMode = swapSrcDst ? gBlendsSwap[mode].dst : gBlends[mode].dst; 202082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy 2021a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (sourceMode != mCaches.lastSrcMode || destMode != mCaches.lastDstMode) { 2022a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glBlendFunc(sourceMode, destMode); 2023a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastSrcMode = sourceMode; 2024a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mCaches.lastDstMode = destMode; 2025a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2026a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2027a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // These blend modes are not supported by OpenGL directly and have 2028a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // to be implemented using shaders. Since the shader will perform 2029a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // the blending, turn blending off here 2030746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (mCaches.extensions.hasFramebufferFetch()) { 2031a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy description.framebufferMode = mode; 2032f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guy description.swapSrcDst = swapSrcDst; 2033a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2034a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 2035a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mCaches.blend) { 2036a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy glDisable(GL_BLEND); 2037a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2038a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy blend = false; 203982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2040fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy } else if (mCaches.blend) { 204182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy glDisable(GL_BLEND); 204282ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy } 2043fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.blend = blend; 2044bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy} 2045bd6b79b40247aea7bfe13d0831c6c0472df6c636Romain Guy 2046889f8d1403761d5668115ced6cbb3f767cfe966dRomain Guybool OpenGLRenderer::useProgram(Program* program) { 2047d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy if (!program->isInUse()) { 2048fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy if (mCaches.currentProgram != NULL) mCaches.currentProgram->remove(); 2049d27977d1a91d5a6b3cc9fa7664ac7e835e7bd895Romain Guy program->use(); 2050fb8b763f762ae21923c58d64caa729b012f40e05Romain Guy mCaches.currentProgram = program; 20516926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return false; 2052260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy } 20536926c72e25b8dec3dd4b84af0819fa1937ae7296Romain Guy return true; 2054260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy} 2055260e102162322958cf17dbd895cd6bd30dc87e32Romain Guy 2056026c5e16704e817cac7d9c382914c947e34f87e0Romain Guyvoid OpenGLRenderer::resetDrawTextureTexCoords(float u1, float v1, float u2, float v2) { 2057ac670c0433d19397d4e36ced2110475b6f54fe26Romain Guy TextureVertex* v = &mMeshVertices[0]; 205882ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v1); 205982ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v1); 206082ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u1, v2); 206182ba814ca0dea659be2cc6523bc0137679d961ceRomain Guy TextureVertex::setUV(v++, u2, v2); 20628ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy} 20638ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 20645c13d89c1332fcc499379b9064b891187b75ca32Chet Haasevoid OpenGLRenderer::getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { 20658ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (paint) { 2066746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guy if (!mCaches.extensions.hasFramebufferFetch()) { 2067a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy const bool isMode = SkXfermode::IsMode(paint->getXfermode(), mode); 2068a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (!isMode) { 2069a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy // Assume SRC_OVER 2070a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = SkXfermode::kSrcOver_Mode; 2071a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2072a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } else { 2073a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy *mode = getXfermode(paint->getXfermode()); 20748ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 20758ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy 20768ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Skia draws using the color's alpha channel if < 255 20778ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy // Otherwise, it uses the paint's alpha 20788ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy int color = paint->getColor(); 20798ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = (color >> 24) & 0xFF; 20808ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy if (*alpha == 255) { 20818ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = paint->getAlpha(); 20828ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 20838ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } else { 20848ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *mode = SkXfermode::kSrcOver_Mode; 20858ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy *alpha = 255; 20868ba548f81d1ab5f1750cbf86098c4a14e0b8beadRomain Guy } 2087026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy} 2088026c5e16704e817cac7d9c382914c947e34f87e0Romain Guy 2089a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain GuySkXfermode::Mode OpenGLRenderer::getXfermode(SkXfermode* mode) { 2090b37cbec6d06578a72bdd9c2caa3fd964ade71c53Romain Guy // In the future we should look at unifying the Porter-Duff modes and 2091b37cbec6d06578a72bdd9c2caa3fd964ade71c53Romain Guy // SkXferModes so that we can use SkXfermode::IsMode(xfer, &mode). 2092a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy if (mode == NULL) { 2093a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return SkXfermode::kSrcOver_Mode; 2094a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 2095a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy return mode->fMode; 2096a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 2097a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 2098746b7401ceb86b5f2805f8c0d3b39ac739152015Romain Guyvoid OpenGLRenderer::setTextureWrapModes(Texture* texture, GLenum wrapS, GLenum wrapT) { 20998164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bool bound = false; 21008164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapS != texture->wrapS) { 21018164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 21028164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy bound = true; 21038164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrapS); 21048164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapS = wrapS; 21058164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 21068164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy if (wrapT != texture->wrapT) { 21073e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy if (!bound) { 21083e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy glBindTexture(GL_TEXTURE_2D, texture->id); 21093e3ba155fc0ef7a7f40f06762240d9ba22f62b19Romain Guy } 21108164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrapT); 21118164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy texture->wrapT = wrapT; 21128164c2d338781c3a3c4a443941070dca5d88f2a7Romain Guy } 2113a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy} 2114a1db574036c9bc2d397b69f8200594027e1fff16Romain Guy 21159d5316e3f56d138504565ff311145ac01621dff4Romain Guy}; // namespace uirenderer 2116e4d011201cea40d46cb2b2eef401db8fddc5c9c6Romain Guy}; // namespace android 2117