/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:   

*

*/

#ifndef HUIFXVG10OFFSCREENRENDERBUFFER_H_

#define HUIFXVG10OFFSCREENRENDERBUFFER_H_

#include "HuiFxVg10RenderbufferBase.h"

#include "HuiVg10RenderPlugin.h"

//FORWARD DECLARATIONS

class CHuiVg10RenderPlugin;

class CHuiFxVg10OffscreenRenderbuffer: public CHuiFxVg10RenderbufferBase

    {

public:

    static CHuiFxVg10OffscreenRenderbuffer* NewL(CHuiVg10RenderPlugin& aPlugin, const TSize& aSize);

    ~CHuiFxVg10OffscreenRenderbuffer();

    void InitGc(const TSize& aSize);

    CHuiGc& BindAsRenderTarget();

    void BindAsTexture(THuiFxRenderbufferUsage aUsage);

    void UnbindAsRenderTarget();

    void UnbindAsTexture();

    void PrepareForReuse(const TSize& aReusedSize);

    VGImage Image() const;

protected:

    void ConstructL(CHuiVg10RenderPlugin& aPlugin, const TSize& aSize);

private:

    void ReadBackground();

    void PushEGLContext();

    void PopEGLContext();

private:

    CHuiVg10RenderPlugin*   iPlugin;

    CHuiGc*                 iGc;

    VGImage                 iImage;

    EGLContext              iContext;

    EGLSurface              iSurface;

    EGLContext              iSavedContext;

    EGLSurface              iSavedReadSurface;

    EGLSurface              iSavedDrawSurface;

    VGImage                 iRotatedImage;    

    TEGLState               iPreviousEGLState;

    };

#endif /*HUIFXVG10OFFSCREENRENDERBUFFER_H_*/