--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsresourceservices/graphicsresourceimplementation/src/sgresource.cpp	Fri Apr 16 16:21:04 2010 +0300
@@ -0,0 +1,84 @@
+// 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 resource implementation
+//
+
+#include <kernel/kern_priv.h>
+#include "sgextensionimpl.h"
+
+DSgResourceImpl::DSgResourceImpl(DSgExtensionImpl& aExtensionImpl, TUint64 aId, TUint32 aAttribs,
+	                             const TDesC8& aMetaData, DChunk* aDataChunk, TInt aDataSize)
+	: iExtensionImpl(aExtensionImpl), iRefCount(1), iId(aId), iAttributes(aAttribs),
+	  iMetaDataSize(aMetaData.Size()), iDataChunk(aDataChunk), iDataSize(aDataSize)
+	{
+	memcpy(this + 1, aMetaData.Ptr(), aMetaData.Size());
+	}
+
+DSgResourceImpl::~DSgResourceImpl()
+	{
+	if (iDataChunk)
+		{
+		Kern::ChunkClose(iDataChunk);
+		}
+	}
+
+TInt DSgResourceImpl::Open()
+	{
+	return NKern::SafeInc(iRefCount) > 0 ? KErrNone : KErrNotFound;
+	}
+
+void DSgResourceImpl::Close()
+	{
+	if (NKern::SafeDec(iRefCount) == 1)
+		{
+		iExtensionImpl.DeleteResource(this);
+		}
+	}
+
+TUint64 DSgResourceImpl::Id() const
+	{
+	return iId;
+	}
+
+TUint32 DSgResourceImpl::Attributes() const
+	{
+	return iAttributes;
+	}
+
+TInt DSgResourceImpl::GetMetaData(TDes8& aMetaData) const
+	{
+	if (aMetaData.MaxSize() < iMetaDataSize)
+		{
+		return KErrOverflow;
+		}
+	if (iMetaDataSize == 0)
+		{
+		aMetaData.Zero();
+		}
+	else
+		{
+		aMetaData.Copy(TPtrC8(reinterpret_cast<const TUint8*>(this + 1), iMetaDataSize));
+		}
+	return KErrNone;
+	}
+
+DChunk* DSgResourceImpl::DataChunk() const
+	{
+	return iDataChunk;
+	}
+
+TInt DSgResourceImpl::DataSize() const
+	{
+	return iDataSize;
+	}