1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @test

    19  @internalComponent - Internal Symbian test code 

    20 */

    21 

    22 #ifndef __TDIRECTGDIEGLCONTENT_CUBE_H__

    23 #define __TDIRECTGDIEGLCONTENT_CUBE_H__

    24 

    25 #include <e32base.h>

    26 #include <pixelformats.h>

    27 #include <graphics/sgimage.h>

    28 #include <graphics/sgimagecollection.h>

    29 #include <GLES/egl.h>

    30 

    31 const TInt KEglContentBuffers = 2;

    32 

    33 /**

    34 This class contains cube GL renderer.

    35 CGLCube initializes the EGL environment and renders off-screen pixmap surfaces. 

    36 Creation of the pixmap is based on RSgImage resource which is initialized 

    37 with parameter  TsgImageInfo.iUsage set to EsgUsageOpenGlesTarget|ESgUsageDirectGdiSource.  

    38 OpenGL ES API is used to reneder content of the pixmap. The result is available as a TSgDrawableId object.

    39 */

    40 class CGLCube : public CBase

    41 	{

    42 public:

    43 	static CGLCube* NewL(TUidPixelFormat aPixelFormat, const TSize& aSize);

    44 	static CGLCube* NewLC(TUidPixelFormat aPixelFormat, const TSize& aSize);

    45 	virtual ~CGLCube();

    46 

    47 	void Render(TInt aFrame);

    48 	void GetImage(TSgDrawableId& aId);

    49 

    50 private:

    51 	CGLCube();

    52 	void ConstructL(TUidPixelFormat aPixelFormat, const TSize& aSize);

    53 	void InitEglL(TUidPixelFormat aPixelFormat, const TSize& aSize);

    54 	void DeInitEgl();

    55 

    56 private:

    57 	/** Display where the OpenGL ES window surface resides. */

    58 	EGLDisplay iEglDisplay;

    59 

    60 	/** Describes the format, type and size of the color buffers and ancillary buffers for EGLSurface. */

    61 	EGLConfig iConfig;

    62 

    63 	/** The image where the framebuffer is drawn. */

    64 	TSgImageInfo iImageInfo;

    65 	RSgImage iImages[KEglContentBuffers];

    66 

    67 	/** Current image buffer number */

    68 	TInt iCurrentImage;

    69 	TInt iLastImage;

    70 

    71 	/** Pixmap surface (that uses the iPixmap) that is the target of OpenGL ES graphics rendering. */

    72 	EGLSurface iEglSurfaces[KEglContentBuffers];

    73 

    74 	/** OpenGL ES rendering context. */

    75 	EGLContext iEglContext;

    76 

    77 	/** OpenGL ES Texture id */

    78 	GLuint iTexId;

    79 	};

    80 

    81 #endif