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// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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/**
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@file
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@test
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@internalComponent - Internal Symbian test code
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*/
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#ifndef __TDIRECTGDIEGLCONTENT_CUBE_H__
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#define __TDIRECTGDIEGLCONTENT_CUBE_H__
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#include <e32base.h>
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#include <pixelformats.h>
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#include <graphics/sgimage.h>
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#include <graphics/sgimagecollection.h>
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#include <GLES/egl.h>
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const TInt KEglContentBuffers = 2;
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/**
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This class contains cube GL renderer.
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CGLCube initializes the EGL environment and renders off-screen pixmap surfaces.
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Creation of the pixmap is based on RSgImage resource which is initialized
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with parameter TsgImageInfo.iUsage set to EsgUsageOpenGlesTarget|ESgUsageDirectGdiSource.
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OpenGL ES API is used to reneder content of the pixmap. The result is available as a TSgDrawableId object.
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*/
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class CGLCube : public CBase
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{
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public:
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static CGLCube* NewL(TUidPixelFormat aPixelFormat, const TSize& aSize);
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static CGLCube* NewLC(TUidPixelFormat aPixelFormat, const TSize& aSize);
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virtual ~CGLCube();
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void Render(TInt aFrame);
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void GetImage(TSgDrawableId& aId);
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private:
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CGLCube();
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void ConstructL(TUidPixelFormat aPixelFormat, const TSize& aSize);
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void InitEglL(TUidPixelFormat aPixelFormat, const TSize& aSize);
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void DeInitEgl();
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private:
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/** Display where the OpenGL ES window surface resides. */
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EGLDisplay iEglDisplay;
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/** Describes the format, type and size of the color buffers and ancillary buffers for EGLSurface. */
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EGLConfig iConfig;
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/** The image where the framebuffer is drawn. */
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TSgImageInfo iImageInfo;
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RSgImage iImages[KEglContentBuffers];
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/** Current image buffer number */
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TInt iCurrentImage;
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TInt iLastImage;
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/** Pixmap surface (that uses the iPixmap) that is the target of OpenGL ES graphics rendering. */
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EGLSurface iEglSurfaces[KEglContentBuffers];
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/** OpenGL ES rendering context. */
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EGLContext iEglContext;
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/** OpenGL ES Texture id */
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GLuint iTexId;
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};
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#endif
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