1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef HUIFXVG10OFFSCREENRENDERBUFFER_H_

    21 #define HUIFXVG10OFFSCREENRENDERBUFFER_H_

    22 

    23 #include "HuiFxVg10RenderbufferBase.h"

    24 #include "HuiVg10RenderPlugin.h"

    25 

    26 //FORWARD DECLARATIONS

    27 class CHuiVg10RenderPlugin;

    28 

    29 class CHuiFxVg10OffscreenRenderbuffer: public CHuiFxVg10RenderbufferBase

    30     {

    31 public:

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

    33     ~CHuiFxVg10OffscreenRenderbuffer();

    34 

    35     void InitGc(const TSize& aSize);

    36     CHuiGc& BindAsRenderTarget();

    37     void BindAsTexture(THuiFxRenderbufferUsage aUsage);

    38     void UnbindAsRenderTarget();

    39     void UnbindAsTexture();

    40 

    41     void PrepareForReuse(const TSize& aReusedSize);

    42     

    43     VGImage Image() const;

    44 protected:

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

    46 private:

    47     void ReadBackground();

    48     void PushEGLContext();

    49     void PopEGLContext();

    50     

    51 private:

    52     CHuiVg10RenderPlugin*   iPlugin;

    53     CHuiGc*                 iGc;

    54     VGImage                 iImage;

    55     EGLContext              iContext;

    56     EGLSurface              iSurface;

    57     EGLContext              iSavedContext;

    58     EGLSurface              iSavedReadSurface;

    59     EGLSurface              iSavedDrawSurface;

    60     VGImage                 iRotatedImage;    

    61     TEGLState               iPreviousEGLState;

    62     };

    63 

    64 #endif /*HUIFXVG10OFFSCREENRENDERBUFFER_H_*/