diff -r 000000000000 -r bde4ae8d615e os/graphics/graphicsresourceservices/graphicsresourceimplementation/inc/sgdevice.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/graphics/graphicsresourceservices/graphicsresourceimplementation/inc/sgdevice.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,67 @@
+// 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