--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsresourceservices/graphicsresourceimplementation/inc/sgextension.h	Fri Apr 16 16:21:04 2010 +0300
@@ -0,0 +1,49 @@
+// 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 - kernel extension
+//
+
+#ifndef SGEXTENSION_H
+#define SGEXTENSION_H
+
+#include <kernel/kernel.h>
+#include <sgresource/sgcommon.h>
+
+class DSgResource: public DBase
+	{
+public:
+	virtual TInt Open() = 0;
+	virtual void Close() = 0;
+	virtual TUint64 Id() const = 0;
+	virtual TUint32 Attributes() const = 0;
+	virtual TInt GetMetaData(TDes8& aMetaData) const = 0;
+	virtual DChunk* DataChunk() const = 0;
+	virtual TInt DataSize() const = 0;
+	inline static TInt Compare(const TUint64* aId, const DSgResource& aResource);
+	inline static TInt Compare(const DSgResource& aResource1, const DSgResource& aResource2);
+	};
+
+class SgExtension
+	{
+public:
+	IMPORT_C static TVersion Version();
+	IMPORT_C static TInt CreateResource(TUint32 aAttribs, const TDesC8& aMetaData, TInt aDataSize, DSgResource*& aResource);
+	IMPORT_C static TInt FindAndOpenResource(TUint64 aId, DSgResource*& aResource);
+	IMPORT_C static TInt GlobalResourceCount();
+	IMPORT_C static TInt GlobalGraphicsMemoryUsed();
+	};
+
+#include <sgresource/sgextension.inl>
+
+#endif // SGEXTENSION_H