--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicshwdrivers/surfacemgr/test/testdriver/d_sharedchunk.h	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,87 @@
+// Copyright (c) 2007-2009 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:
+//
+
+#ifndef __D_SHAREDCHUNK_H__
+#define __D_SHAREDCHUNK_H__
+
+#include <e32cmn.h>
+#ifndef __KERNEL_MODE__
+#include <e32std.h>
+#endif
+
+_LIT(KSharedChunkLddName,"D_SHAREDCHUNK");
+
+enum TCreateFlags
+	{
+	ESingle				= 0x00,
+	EMultiple			= 0x01,
+	EOwnsMemory			= 0x02,
+	EBadType			= 0x80,
+	ECreateFlagsMask	= 0xff
+	};
+
+enum TCacheAttribute
+	{
+	/** CPU cached */
+	ECached = 0,
+	/** Non CPU cached */
+	ENotCached = 1
+	};
+
+enum TCommitType
+	{
+	ENonContiguous			= 0x00,
+	EContiguous				= 0x01,
+	ECommitTypeMask			= 0x0f
+	};
+
+class RSharedChunkLdd : public RBusLogicalChannel
+	{
+public:
+	enum TControl
+		{
+		ECreateChunk,
+		EGetChunkHandle,
+		ECommitMemory,
+		ECloseChunk,
+		ECacheAttribute,
+		EContiguousAttribute,
+		ECloseChunkHandle
+		};
+
+
+#ifndef __KERNEL_MODE__
+public:
+	inline TInt Open()
+		{ return DoCreate(KSharedChunkLddName,TVersion(),KNullUnit,NULL,NULL,EOwnerProcess,ETrue); }
+	inline TInt CreateChunk(TInt aSize, TAny** aKernelAddress=0)
+		{ return DoControl(ECreateChunk,(TAny*)aSize,aKernelAddress); }
+	inline TInt GetChunkHandle(RChunk& aChunk)
+		{ return aChunk.SetReturnedHandle(DoControl(EGetChunkHandle)); }
+	inline TInt CommitMemory(TInt aOffset, TInt aSize)
+		{ return DoControl(ECommitMemory,(TAny*)aOffset,(TAny*)aSize); }
+	inline TInt CloseChunk()
+		{ return DoControl(ECloseChunk); }
+	inline TInt GetCacheAttribute()
+		{return DoControl(ECacheAttribute);}
+	inline TBool GetContiguousAttribute()
+		{return DoControl(EContiguousAttribute);}
+	inline TInt CloseChunkHandle(RChunk aChunk)
+		{ return DoControl(ECloseChunkHandle,(TAny*)aChunk.Handle()); }
+#endif
+	};
+
+
+#endif