--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsresourceservices/graphicsresource/inc/sgdriver.h	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,91 @@
+// Copyright (c) 2008-2009 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:
+//
+
+/**
+ @file
+ @internalComponent
+*/
+
+#ifndef SGDRIVER_H
+#define SGDRIVER_H
+
+#include <e32std.h>
+#include <pls.h>
+
+
+class MSgDriverAdapter;
+
+/**
+@internalComponent
+
+This class encapsulates the global data in the Graphics Resource DLL.
+*/
+NONSHARABLE_CLASS(XSgDriverPls)
+	{
+public:
+	/**
+	Default constructor, called when the Graphics Resource DLL is loaded into a
+	process. Creates the mutex used to synchronise access to the global data. The
+	mutex will be automatically destroyed by the kernel on process termination.
+	*/
+	XSgDriverPls();
+public:
+	/**
+	Result code of the constructor.
+	*/
+	TInt iError;
+	/**
+	Handle to the mutex used to synchronise access to the global data.
+	*/
+	RMutex iMutex;
+#ifdef __WINS__
+	/**
+	Handle to the Graphics Resource Adapter DLL owned by this process.
+	*/
+	RLibrary iLibrary;
+#endif
+	/**
+	Number of times SgDriver::Open() has been called from this process without
+	a corresponding call to SgDriver::Close().
+	*/
+	TInt iOpenCount;
+	/**
+	Pointer to the Graphics Resource Adapter singleton in this process.
+	*/
+	MSgDriverAdapter* iDriver;
+	};
+
+
+/**
+@internalComponent
+
+The UID3 value in the compound identifier of the Graphics Resource DLL.
+*/
+const TUid KSgResourceLibraryUid = {0x10285A70};
+
+
+/**
+@internalComponent
+
+The global data in the Graphics Resource DLL.
+*/
+#ifdef __WINS__
+#define gPls (*Pls<XSgDriverPls>(KSgResourceLibraryUid))
+#else
+extern XSgDriverPls gPls;
+#endif
+
+
+#endif // SGDRIVER_H