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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef RENDERPROXY_H_
#define RENDERPROXY_H_
#include "RenderTask.h"
#include <cutils/compiler.h>
#include <EGL/egl.h>
#include <utils/Condition.h>
#include <utils/Functor.h>
#include <utils/Mutex.h>
#include <utils/StrongPointer.h>
namespace android {
namespace uirenderer {
class DisplayList;
class Rect;
namespace renderthread {
class CanvasContext;
class ErrorChannel;
class RenderThread;
class RenderProxyBridge;
/*
* RenderProxy is strictly single threaded. All methods must be invoked on the owning
* thread. It is important to note that RenderProxy may be deleted while it has
* tasks post()'d as a result. Therefore any RenderTask that is post()'d must not
* reference RenderProxy or any of its fields. The exception here is that postAndWait()
* references RenderProxy fields. This is safe as RenderProxy cannot
* be deleted if it is blocked inside a call.
*/
class ANDROID_API RenderProxy {
public:
ANDROID_API RenderProxy(bool translucent);
ANDROID_API virtual ~RenderProxy();
ANDROID_API bool initialize(EGLNativeWindowType window);
ANDROID_API void updateSurface(EGLNativeWindowType window);
ANDROID_API void setup(int width, int height);
ANDROID_API void drawDisplayList(DisplayList* displayList,
int dirtyLeft, int dirtyTop, int dirtyRight, int dirtyBottom);
ANDROID_API void destroyCanvas();
ANDROID_API void attachFunctor(Functor* functor);
ANDROID_API void detachFunctor(Functor* functor);
private:
RenderThread& mRenderThread;
CanvasContext* mContext;
Mutex mSyncMutex;
Condition mSyncCondition;
void destroyContext();
MethodInvokeRenderTask* createTask(RunnableMethod method);
void post(RenderTask* task);
void* postAndWait(MethodInvokeRenderTask* task);
// Friend class to help with bridging
friend class RenderProxyBridge;
};
} /* namespace renderthread */
} /* namespace uirenderer */
} /* namespace android */
#endif /* RENDERPROXY_H_ */
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