EglManager.h revision d04794a9a3f9edc8b7ca336175d66eb81a8f55fa
13b20251a355c88193c439f928a84ae69483fb488John Reck/* 23b20251a355c88193c439f928a84ae69483fb488John Reck * Copyright (C) 2014 The Android Open Source Project 33b20251a355c88193c439f928a84ae69483fb488John Reck * 43b20251a355c88193c439f928a84ae69483fb488John Reck * Licensed under the Apache License, Version 2.0 (the "License"); 53b20251a355c88193c439f928a84ae69483fb488John Reck * you may not use this file except in compliance with the License. 63b20251a355c88193c439f928a84ae69483fb488John Reck * You may obtain a copy of the License at 73b20251a355c88193c439f928a84ae69483fb488John Reck * 83b20251a355c88193c439f928a84ae69483fb488John Reck * http://www.apache.org/licenses/LICENSE-2.0 93b20251a355c88193c439f928a84ae69483fb488John Reck * 103b20251a355c88193c439f928a84ae69483fb488John Reck * Unless required by applicable law or agreed to in writing, software 113b20251a355c88193c439f928a84ae69483fb488John Reck * distributed under the License is distributed on an "AS IS" BASIS, 123b20251a355c88193c439f928a84ae69483fb488John Reck * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 133b20251a355c88193c439f928a84ae69483fb488John Reck * See the License for the specific language governing permissions and 143b20251a355c88193c439f928a84ae69483fb488John Reck * limitations under the License. 153b20251a355c88193c439f928a84ae69483fb488John Reck */ 163b20251a355c88193c439f928a84ae69483fb488John Reck#ifndef EGLMANAGER_H 173b20251a355c88193c439f928a84ae69483fb488John Reck#define EGLMANAGER_H 183b20251a355c88193c439f928a84ae69483fb488John Reck 193b20251a355c88193c439f928a84ae69483fb488John Reck#include <cutils/compiler.h> 203b20251a355c88193c439f928a84ae69483fb488John Reck#include <EGL/egl.h> 21d04794a9a3f9edc8b7ca336175d66eb81a8f55faJohn Reck#include <SkRect.h> 223b20251a355c88193c439f928a84ae69483fb488John Reck#include <ui/GraphicBuffer.h> 233b20251a355c88193c439f928a84ae69483fb488John Reck#include <utils/StrongPointer.h> 243b20251a355c88193c439f928a84ae69483fb488John Reck 253b20251a355c88193c439f928a84ae69483fb488John Recknamespace android { 263b20251a355c88193c439f928a84ae69483fb488John Recknamespace uirenderer { 273b20251a355c88193c439f928a84ae69483fb488John Recknamespace renderthread { 283b20251a355c88193c439f928a84ae69483fb488John Reck 293b20251a355c88193c439f928a84ae69483fb488John Reckclass RenderThread; 303b20251a355c88193c439f928a84ae69483fb488John Reck 313b20251a355c88193c439f928a84ae69483fb488John Reck// This class contains the shared global EGL objects, such as EGLDisplay 323b20251a355c88193c439f928a84ae69483fb488John Reck// and EGLConfig, which are re-used by CanvasContext 333b20251a355c88193c439f928a84ae69483fb488John Reckclass EglManager { 343b20251a355c88193c439f928a84ae69483fb488John Reckpublic: 353b20251a355c88193c439f928a84ae69483fb488John Reck // Returns true on success, false on failure 363b20251a355c88193c439f928a84ae69483fb488John Reck void initialize(); 373b20251a355c88193c439f928a84ae69483fb488John Reck 383b20251a355c88193c439f928a84ae69483fb488John Reck bool hasEglContext(); 393b20251a355c88193c439f928a84ae69483fb488John Reck void requireGlContext(); 403b20251a355c88193c439f928a84ae69483fb488John Reck 413b20251a355c88193c439f928a84ae69483fb488John Reck void usePBufferSurface(); 423b20251a355c88193c439f928a84ae69483fb488John Reck EGLSurface createSurface(EGLNativeWindowType window); 433b20251a355c88193c439f928a84ae69483fb488John Reck void destroySurface(EGLSurface surface); 443b20251a355c88193c439f928a84ae69483fb488John Reck 453b20251a355c88193c439f928a84ae69483fb488John Reck void destroy(); 463b20251a355c88193c439f928a84ae69483fb488John Reck 473b20251a355c88193c439f928a84ae69483fb488John Reck bool isCurrent(EGLSurface surface) { return mCurrentSurface == surface; } 483b20251a355c88193c439f928a84ae69483fb488John Reck // Returns true if the current surface changed, false if it was already current 493b20251a355c88193c439f928a84ae69483fb488John Reck bool makeCurrent(EGLSurface surface); 503b20251a355c88193c439f928a84ae69483fb488John Reck void beginFrame(EGLSurface surface, EGLint* width, EGLint* height); 51d04794a9a3f9edc8b7ca336175d66eb81a8f55faJohn Reck bool swapBuffers(EGLSurface surface, const SkRect& dirty, EGLint width, EGLint height); 520e89e2b7bcb2c035e8cee77f93120e7c5617f8d2John Reck void cancelFrame(); 533b20251a355c88193c439f928a84ae69483fb488John Reck 541125d1fa92ab9f3b8315bbfb72e038b62dfd454bJohn Reck // Returns true iff the surface is now preserving buffers. 551125d1fa92ab9f3b8315bbfb72e038b62dfd454bJohn Reck bool setPreserveBuffer(EGLSurface surface, bool preserve); 563b20251a355c88193c439f928a84ae69483fb488John Reck 573b20251a355c88193c439f928a84ae69483fb488John Reck void setTextureAtlas(const sp<GraphicBuffer>& buffer, int64_t* map, size_t mapSize); 583b20251a355c88193c439f928a84ae69483fb488John Reck 595515637540bedd8fc9a1a6e46a4b512dd45520a5John Reck void fence(); 605515637540bedd8fc9a1a6e46a4b512dd45520a5John Reck 613b20251a355c88193c439f928a84ae69483fb488John Reckprivate: 623b20251a355c88193c439f928a84ae69483fb488John Reck friend class RenderThread; 633b20251a355c88193c439f928a84ae69483fb488John Reck 643b20251a355c88193c439f928a84ae69483fb488John Reck EglManager(RenderThread& thread); 653b20251a355c88193c439f928a84ae69483fb488John Reck // EglContext is never destroyed, method is purposely not implemented 663b20251a355c88193c439f928a84ae69483fb488John Reck ~EglManager(); 673b20251a355c88193c439f928a84ae69483fb488John Reck 683b20251a355c88193c439f928a84ae69483fb488John Reck void loadConfig(); 693b20251a355c88193c439f928a84ae69483fb488John Reck void createContext(); 703b20251a355c88193c439f928a84ae69483fb488John Reck void initAtlas(); 713b20251a355c88193c439f928a84ae69483fb488John Reck 723b20251a355c88193c439f928a84ae69483fb488John Reck RenderThread& mRenderThread; 733b20251a355c88193c439f928a84ae69483fb488John Reck 743b20251a355c88193c439f928a84ae69483fb488John Reck EGLDisplay mEglDisplay; 753b20251a355c88193c439f928a84ae69483fb488John Reck EGLConfig mEglConfig; 763b20251a355c88193c439f928a84ae69483fb488John Reck EGLContext mEglContext; 773b20251a355c88193c439f928a84ae69483fb488John Reck EGLSurface mPBufferSurface; 783b20251a355c88193c439f928a84ae69483fb488John Reck 791125d1fa92ab9f3b8315bbfb72e038b62dfd454bJohn Reck const bool mAllowPreserveBuffer; 801125d1fa92ab9f3b8315bbfb72e038b62dfd454bJohn Reck bool mCanSetPreserveBuffer; 813b20251a355c88193c439f928a84ae69483fb488John Reck 823b20251a355c88193c439f928a84ae69483fb488John Reck EGLSurface mCurrentSurface; 833b20251a355c88193c439f928a84ae69483fb488John Reck 843b20251a355c88193c439f928a84ae69483fb488John Reck sp<GraphicBuffer> mAtlasBuffer; 853b20251a355c88193c439f928a84ae69483fb488John Reck int64_t* mAtlasMap; 863b20251a355c88193c439f928a84ae69483fb488John Reck size_t mAtlasMapSize; 870e89e2b7bcb2c035e8cee77f93120e7c5617f8d2John Reck 880e89e2b7bcb2c035e8cee77f93120e7c5617f8d2John Reck // Whether or not we are in the middle of drawing a frame. This is used 890e89e2b7bcb2c035e8cee77f93120e7c5617f8d2John Reck // to avoid switching surfaces mid-frame if requireGlContext() is called 900e89e2b7bcb2c035e8cee77f93120e7c5617f8d2John Reck // TODO: Need to be better about surface/context management so that this isn't 910e89e2b7bcb2c035e8cee77f93120e7c5617f8d2John Reck // necessary 920e89e2b7bcb2c035e8cee77f93120e7c5617f8d2John Reck bool mInFrame; 933b20251a355c88193c439f928a84ae69483fb488John Reck}; 943b20251a355c88193c439f928a84ae69483fb488John Reck 953b20251a355c88193c439f928a84ae69483fb488John Reck} /* namespace renderthread */ 963b20251a355c88193c439f928a84ae69483fb488John Reck} /* namespace uirenderer */ 973b20251a355c88193c439f928a84ae69483fb488John Reck} /* namespace android */ 983b20251a355c88193c439f928a84ae69483fb488John Reck 993b20251a355c88193c439f928a84ae69483fb488John Reck#endif /* EGLMANAGER_H */ 100