1 // Copyright (c) 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 // Graphics Resource - logical device driver

    15 //

    16 

    17 #ifndef SGDEVICE_H

    18 #define SGDEVICE_H

    19 

    20 #include <e32des8.h>

    21 #include <sgresource/sgcommon.h>

    22 

    23 _LIT(KSgDeviceName, "sgdevice");

    24 

    25 inline TVersion SgDeviceVersionRequired();

    26 

    27 class RSgDevice: public RBusLogicalChannel

    28 	{

    29 	friend class DSgChannel;

    30 public:

    31 	inline TInt Connect();

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

    33 	inline TInt OpenResource(TUint64 aId);

    34 	inline TInt CloseResource(TUint64 aId);

    35 	inline TUint32 ResourceAttributes(TUint64 aId);

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

    37 	inline TAny* ResourceDataAddress(TUint64 aId);

    38 	inline TInt ResourceDataSize(TUint64 aId);

    39 	inline TInt GlobalResourceCount();

    40 	inline TInt LocalGraphicsMemoryUsed();

    41 	inline TInt GlobalGraphicsMemoryUsed();

    42 private:

    43 	enum TControl

    44 		{

    45 		EControlCreateResource,

    46 		EControlOpenResource,

    47 		EControlCloseResource,

    48 		EControlResourceAttributes,

    49 		EControlGetResourceMetaData,

    50 		EControlResourceDataAddress,

    51 		EControlResourceDataSize,

    52 		EControlGlobalResourceCount,

    53 		EControlLocalGraphicsMemoryUsed,

    54 		EControlGlobalGraphicsMemoryUsed

    55 		};

    56 	class TCreateResourceArgs

    57 		{

    58 	public:

    59 		TUint32 iAttributes;

    60 		const TDesC8* iMetaData;

    61 		TInt iDataSize;

    62 		};

    63 	};

    64 

    65 #include <sgresource/sgdevice.inl>

    66 

    67 #endif // SGDEVICE_H