/*

* 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 HUIFXVG10ONSCREENRENDERBUFFER_H_

#define HUIFXVG10ONSCREENRENDERBUFFER_H_

#include "HuiFxVg10RenderbufferBase.h"

//FORWARD DECLARATIONS

class CHuiVg10RenderPlugin;

class CHuiVg10RenderSurface;

class CHuiVg10PBufferSurface;

/**

 *  A renderbuffer that uses an EGL surface for storage.

 */

class CHuiFxVg10OnscreenRenderbuffer: public CHuiFxVg10RenderbufferBase

    {

public:

    static CHuiFxVg10OnscreenRenderbuffer* NewL(CHuiVg10RenderPlugin& aPlugin, CHuiVg10RenderSurface& aSurface);

    ~CHuiFxVg10OnscreenRenderbuffer();

    CHuiGc& BindAsRenderTarget();

    void BindAsTexture(THuiFxRenderbufferUsage aUsage);

    void UnbindAsRenderTarget();

    void UnbindAsTexture();

    VGImage Image() const;

protected:

    void ConstructL(CHuiVg10RenderPlugin& aPlugin, CHuiVg10RenderSurface& aSurface);

    void PrepareForReuse(const TSize& /* aReusedRect */);

private:

    CHuiVg10RenderPlugin*   iPlugin;

    CHuiVg10RenderSurface*  iSurface;

    CHuiGc*                 iGc;

    VGImage                 iImage;

    EGLContext              iSavedContext;

    EGLSurface              iSavedReadSurface;

    EGLSurface              iSavedDrawSurface;

    THuiFxRenderbufferUsage iTextureUsage;

    };

#endif /*HUIFXVG10ONSCREENRENDERBUFFER_H_*/