EglManager.h revision c96955d9bb997b51be5fa929b5a67349d0459c3a
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; 30149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reckclass EglManager; 31149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck 32149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reckclass Frame { 33149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reckpublic: 34149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck EGLint width() const { return mWidth; } 35149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck EGLint height() const { return mHeight; } 36149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck 37149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck // See: https://www.khronos.org/registry/egl/extensions/EXT/EGL_EXT_buffer_age.txt 38149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck // for what this means 39149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck EGLint bufferAge() const { return mBufferAge; } 40149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck 41149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reckprivate: 42149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck friend class EglManager; 43149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck 44149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck EGLSurface mSurface; 45149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck EGLint mWidth; 46149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck EGLint mHeight; 47149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck EGLint mBufferAge; 48149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck 49149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck // Maps from 0,0 in top-left to 0,0 in bottom-left 50149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck // If out is not an EGLint[4] you're going to have a bad time 51149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck void map(const SkRect& in, EGLint* out) const; 52149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck}; 533b20251a355c88193c439f928a84ae69483fb488John Reck 543b20251a355c88193c439f928a84ae69483fb488John Reck// This class contains the shared global EGL objects, such as EGLDisplay 553b20251a355c88193c439f928a84ae69483fb488John Reck// and EGLConfig, which are re-used by CanvasContext 563b20251a355c88193c439f928a84ae69483fb488John Reckclass EglManager { 573b20251a355c88193c439f928a84ae69483fb488John Reckpublic: 583b20251a355c88193c439f928a84ae69483fb488John Reck // Returns true on success, false on failure 593b20251a355c88193c439f928a84ae69483fb488John Reck void initialize(); 603b20251a355c88193c439f928a84ae69483fb488John Reck 613b20251a355c88193c439f928a84ae69483fb488John Reck bool hasEglContext(); 623b20251a355c88193c439f928a84ae69483fb488John Reck 633b20251a355c88193c439f928a84ae69483fb488John Reck EGLSurface createSurface(EGLNativeWindowType window); 643b20251a355c88193c439f928a84ae69483fb488John Reck void destroySurface(EGLSurface surface); 653b20251a355c88193c439f928a84ae69483fb488John Reck 663b20251a355c88193c439f928a84ae69483fb488John Reck void destroy(); 673b20251a355c88193c439f928a84ae69483fb488John Reck 683b20251a355c88193c439f928a84ae69483fb488John Reck bool isCurrent(EGLSurface surface) { return mCurrentSurface == surface; } 693b20251a355c88193c439f928a84ae69483fb488John Reck // Returns true if the current surface changed, false if it was already current 70f2dcc2aecb94e726096256c47b913ed0a57ae7e2John Reck bool makeCurrent(EGLSurface surface, EGLint* errOut = nullptr); 71149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck Frame beginFrame(EGLSurface surface); 72149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck void damageFrame(const Frame& frame, const SkRect& dirty); 73c96955d9bb997b51be5fa929b5a67349d0459c3aJohn Reck // If this returns true it is mandatory that swapBuffers is called 74c96955d9bb997b51be5fa929b5a67349d0459c3aJohn Reck // if damageFrame is called without subsequent calls to damageFrame(). 75c96955d9bb997b51be5fa929b5a67349d0459c3aJohn Reck // See EGL_KHR_partial_update for more information 76c96955d9bb997b51be5fa929b5a67349d0459c3aJohn Reck bool damageRequiresSwap(); 77149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck bool swapBuffers(const Frame& frame, const SkRect& screenDirty); 783b20251a355c88193c439f928a84ae69483fb488John Reck 791125d1fa92ab9f3b8315bbfb72e038b62dfd454bJohn Reck // Returns true iff the surface is now preserving buffers. 801125d1fa92ab9f3b8315bbfb72e038b62dfd454bJohn Reck bool setPreserveBuffer(EGLSurface surface, bool preserve); 813b20251a355c88193c439f928a84ae69483fb488John Reck 823b20251a355c88193c439f928a84ae69483fb488John Reck void setTextureAtlas(const sp<GraphicBuffer>& buffer, int64_t* map, size_t mapSize); 833b20251a355c88193c439f928a84ae69483fb488John Reck 845515637540bedd8fc9a1a6e46a4b512dd45520a5John Reck void fence(); 855515637540bedd8fc9a1a6e46a4b512dd45520a5John Reck 863b20251a355c88193c439f928a84ae69483fb488John Reckprivate: 873b20251a355c88193c439f928a84ae69483fb488John Reck friend class RenderThread; 883b20251a355c88193c439f928a84ae69483fb488John Reck 893b20251a355c88193c439f928a84ae69483fb488John Reck EglManager(RenderThread& thread); 903b20251a355c88193c439f928a84ae69483fb488John Reck // EglContext is never destroyed, method is purposely not implemented 913b20251a355c88193c439f928a84ae69483fb488John Reck ~EglManager(); 923b20251a355c88193c439f928a84ae69483fb488John Reck 93149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck void initExtensions(); 94d7db4d767246b41d44995acb93d03d220b53c748John Reck void createPBufferSurface(); 95149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck void loadConfig(); 963b20251a355c88193c439f928a84ae69483fb488John Reck void createContext(); 973b20251a355c88193c439f928a84ae69483fb488John Reck void initAtlas(); 98149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck EGLint queryBufferAge(EGLSurface surface); 9913d1b4ab10fbee5e81a2ba1ac59cfae1e51d3ef0Season Li 1003b20251a355c88193c439f928a84ae69483fb488John Reck RenderThread& mRenderThread; 1013b20251a355c88193c439f928a84ae69483fb488John Reck 1023b20251a355c88193c439f928a84ae69483fb488John Reck EGLDisplay mEglDisplay; 1033b20251a355c88193c439f928a84ae69483fb488John Reck EGLConfig mEglConfig; 1043b20251a355c88193c439f928a84ae69483fb488John Reck EGLContext mEglContext; 1053b20251a355c88193c439f928a84ae69483fb488John Reck EGLSurface mPBufferSurface; 1063b20251a355c88193c439f928a84ae69483fb488John Reck 1073b20251a355c88193c439f928a84ae69483fb488John Reck EGLSurface mCurrentSurface; 1083b20251a355c88193c439f928a84ae69483fb488John Reck 1093b20251a355c88193c439f928a84ae69483fb488John Reck sp<GraphicBuffer> mAtlasBuffer; 1103b20251a355c88193c439f928a84ae69483fb488John Reck int64_t* mAtlasMap; 1113b20251a355c88193c439f928a84ae69483fb488John Reck size_t mAtlasMapSize; 11213d1b4ab10fbee5e81a2ba1ac59cfae1e51d3ef0Season Li 113149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck enum class SwapBehavior { 114149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck Discard, 115149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck Preserved, 116149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck BufferAge, 117149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck }; 118149173d28c0843aba86b0810ce75b34be6a0d08fJohn Reck SwapBehavior mSwapBehavior = SwapBehavior::Discard; 1193b20251a355c88193c439f928a84ae69483fb488John Reck}; 1203b20251a355c88193c439f928a84ae69483fb488John Reck 1213b20251a355c88193c439f928a84ae69483fb488John Reck} /* namespace renderthread */ 1223b20251a355c88193c439f928a84ae69483fb488John Reck} /* namespace uirenderer */ 1233b20251a355c88193c439f928a84ae69483fb488John Reck} /* namespace android */ 1243b20251a355c88193c439f928a84ae69483fb488John Reck 1253b20251a355c88193c439f928a84ae69483fb488John Reck#endif /* EGLMANAGER_H */ 126