examples/Graphics/coverflow/inc/eglrendering.h

// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "Symbian Foundation License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
//

#ifndef __EGLRENDERING_H__
#define __EGLRENDERING_H__


class MEngine;

#include "EGL/egl.h"
#include "VG/openvg.h"
#include "VG/vgu.h"


#include "engine.h"
#include "openvgengine.h"

const TInt KMaxConfigs = 100;
const TInt KTimerDelay = 10000;

class CEGLRendering : public CBase 
    {
public:
    static CEGLRendering* NewL(RWindow& aWindow);
    static CEGLRendering* NewLC(RWindow& aWindow);

    ~CEGLRendering();

    void Start();
    void Stop();

    static void EGLCheckError();
    static void EGLCheckReturnError(EGLBoolean aBool);
    static void VGCheckError();

    TKeyResponse HandleKeyEventL(const TKeyEvent& aKeyEvent);

    void UpdateDisplay();
    static TInt TimerCallBack(TAny* aDemo);
    


private:
    CEGLRendering(RWindow& aWindow);
    void ConstructL();

private:
    RWindow& iWindow;
    CPeriodic* iTimer;
    
    CFbsBitmap* iBitmap;
    EGLDisplay iDisplay;
    EGLSurface iSurface;
    EGLContext iContextVG;
    EGLConfig iConfig[KMaxConfigs];
    TUint32 iLastFrameTimeStamp;
    TInt iFastCounterFrequency;
    TBool iShowMirrorToggled;
    TBool iBusySwapping;
    
    COpenVGEngine* iCurrentDemo;
    };
#endif

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