// Copyright (c) 2009 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:

// Graphics Resource - logical device driver

//

#ifndef SGDEVICE_H

#define SGDEVICE_H

#include <e32des8.h>

#include <sgresource/sgcommon.h>

_LIT(KSgDeviceName, "sgdevice");

inline TVersion SgDeviceVersionRequired();

class RSgDevice: public RBusLogicalChannel

	{

	friend class DSgChannel;

public:

	inline TInt Connect();

	inline TInt CreateResource(TUint32 aAttribs, const TDesC8& aMetaData, TInt aDataSize, TUint64& aId);

	inline TInt OpenResource(TUint64 aId);

	inline TInt CloseResource(TUint64 aId);

	inline TUint32 ResourceAttributes(TUint64 aId);

	inline TInt GetResourceMetaData(TUint64 aId, TDes8& aMetaData);

	inline TAny* ResourceDataAddress(TUint64 aId);

	inline TInt ResourceDataSize(TUint64 aId);

	inline TInt GlobalResourceCount();

	inline TInt LocalGraphicsMemoryUsed();

	inline TInt GlobalGraphicsMemoryUsed();

private:

	enum TControl

		{

		EControlCreateResource,

		EControlOpenResource,

		EControlCloseResource,

		EControlResourceAttributes,

		EControlGetResourceMetaData,

		EControlResourceDataAddress,

		EControlResourceDataSize,

		EControlGlobalResourceCount,

		EControlLocalGraphicsMemoryUsed,

		EControlGlobalGraphicsMemoryUsed

		};

	class TCreateResourceArgs

		{

	public:

		TUint32 iAttributes;

		const TDesC8* iMetaData;

		TInt iDataSize;

		};

	};

#include <sgresource/sgdevice.inl>

#endif // SGDEVICE_H