RenderProxy.h revision 28ad7b52e038ef0cdd89f753d9839444a434b299
1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef RENDERPROXY_H_ 18#define RENDERPROXY_H_ 19 20#include "RenderTask.h" 21 22#include <cutils/compiler.h> 23#include <EGL/egl.h> 24#include <SkBitmap.h> 25#include <utils/Condition.h> 26#include <utils/Functor.h> 27#include <utils/Mutex.h> 28#include <utils/StrongPointer.h> 29#include <utils/Vector.h> 30 31#include "DrawFrameTask.h" 32 33namespace android { 34namespace uirenderer { 35 36class DeferredLayerUpdater; 37class RenderNode; 38class DisplayListData; 39class Layer; 40class Rect; 41 42namespace renderthread { 43 44class CanvasContext; 45class ErrorChannel; 46class RenderThread; 47class RenderProxyBridge; 48 49/* 50 * RenderProxy is strictly single threaded. All methods must be invoked on the owning 51 * thread. It is important to note that RenderProxy may be deleted while it has 52 * tasks post()'d as a result. Therefore any RenderTask that is post()'d must not 53 * reference RenderProxy or any of its fields. The exception here is that postAndWait() 54 * references RenderProxy fields. This is safe as RenderProxy cannot 55 * be deleted if it is blocked inside a call. 56 */ 57class ANDROID_API RenderProxy { 58public: 59 ANDROID_API RenderProxy(bool translucent); 60 ANDROID_API virtual ~RenderProxy(); 61 62 ANDROID_API bool initialize(EGLNativeWindowType window); 63 ANDROID_API void updateSurface(EGLNativeWindowType window); 64 ANDROID_API void setup(int width, int height); 65 ANDROID_API void setDisplayListData(RenderNode* renderNode, DisplayListData* newData); 66 ANDROID_API void drawDisplayList(RenderNode* displayList, 67 int dirtyLeft, int dirtyTop, int dirtyRight, int dirtyBottom); 68 ANDROID_API void destroyCanvas(); 69 70 ANDROID_API void attachFunctor(Functor* functor); 71 ANDROID_API void detachFunctor(Functor* functor); 72 ANDROID_API void invokeFunctor(Functor* functor, bool waitForCompletion); 73 74 ANDROID_API void runWithGlContext(RenderTask* task); 75 76 ANDROID_API DeferredLayerUpdater* createDisplayListLayer(int width, int height); 77 ANDROID_API DeferredLayerUpdater* createTextureLayer(); 78 ANDROID_API bool copyLayerInto(DeferredLayerUpdater* layer, SkBitmap* bitmap); 79 ANDROID_API void destroyLayer(DeferredLayerUpdater* layer); 80 81 ANDROID_API void fence(); 82 83private: 84 RenderThread& mRenderThread; 85 CanvasContext* mContext; 86 87 DrawFrameTask mDrawFrameTask; 88 89 Mutex mSyncMutex; 90 Condition mSyncCondition; 91 92 void destroyContext(); 93 94 MethodInvokeRenderTask* createTask(RunnableMethod method); 95 void post(RenderTask* task); 96 void* postAndWait(MethodInvokeRenderTask* task); 97 98 // Friend class to help with bridging 99 friend class RenderProxyBridge; 100}; 101 102} /* namespace renderthread */ 103} /* namespace uirenderer */ 104} /* namespace android */ 105#endif /* RENDERPROXY_H_ */ 106