// Copyright (c) 2010 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 __EGLRENDERING_H__

#define __EGLRENDERING_H__

#include <e32base.h>

#include <w32std.h>

#include <EGL/egl.h>

#include <VG/openvg.h>

class CEGLRendering : public CBase

	{

public:

	~CEGLRendering();

	static TInt TimerCallBack(TAny* aDemo);

    void Redraw();

protected:

    CEGLRendering(RWindow& aWindow);

    void ConstructL();

	void StartRedrawTimer();

	void StopRedrawTimer();

    static void EGLCheckError();

    static void EGLCheckReturnError(EGLBoolean aBool);

    static void VGCheckError();

private:

    void EglSetupL();

    virtual void KhrSetup() = 0;

    virtual void KhrPaint() = 0;

    void EglSwapBuffers();

private:

	RWindow& iWindow;

	CPeriodic* iRedrawTimer;

	EGLDisplay iDisplay;

	EGLSurface iSurface;

	EGLContext iContext;

	};

#endif