SGI SI GLU library

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diff --git a/src/glu/sgi/libnurbs/internals/coveandtiler.h b/src/glu/sgi/libnurbs/internals/coveandtiler.h
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+/*
+** License Applicability. Except to the extent portions of this file are
+** made subject to an alternative license as permitted in the SGI Free
+** Software License B, Version 1.1 (the "License"), the contents of this
+** file are subject only to the provisions of the License. You may not use
+** this file except in compliance with the License. You may obtain a copy
+** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
+** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
+**
+** http://oss.sgi.com/projects/FreeB
+**
+** Note that, as provided in the License, the Software is distributed on an
+** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
+** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
+** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
+** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+**
+** Original Code. The Original Code is: OpenGL Sample Implementation,
+** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
+** Copyright in any portions created by third parties is as indicated
+** elsewhere herein. All Rights Reserved.
+**
+** Additional Notice Provisions: The application programming interfaces
+** established by SGI in conjunction with the Original Code are The
+** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
+** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
+** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
+** Window System(R) (Version 1.3), released October 19, 1998. This software
+** was created using the OpenGL(R) version 1.2.1 Sample Implementation
+** published by SGI, but has not been independently verified as being
+** compliant with the OpenGL(R) version 1.2.1 Specification.
+*/
+
+/*
+ * coveandtiler.h
+ *
+ * $Date: 2001/03/17 00:25:40 $ $Revision: 1.1 $
+ * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/coveandtiler.h,v 1.1 2001/03/17 00:25:40 brianp Exp $
+ */
+
+#ifndef __glucoveandtiler_h
+#define __glucoveandtiler_h
+
+#include "trimregion.h"
+
+class Backend;
+class TrimVertex;
+class GridVertex;
+class GridTrimVertex;
+
+class CoveAndTiler : virtual public TrimRegion {
+public:
+    			CoveAndTiler( Backend& );
+    			~CoveAndTiler( void );
+    void 		coveAndTile( void );
+private:
+    Backend&		backend;
+    static const int 	MAXSTRIPSIZE;
+    void		tile( long, long, long );
+    void		coveLowerLeft( void );
+    void		coveLowerRight( void );
+    void		coveUpperLeft( void );
+    void		coveUpperRight( void );
+    void		coveUpperLeftNoGrid( TrimVertex * );
+    void		coveUpperRightNoGrid( TrimVertex * );
+    void		coveLowerLeftNoGrid( TrimVertex * );
+    void		coveLowerRightNoGrid( TrimVertex * );
+    void		coveLL( void );
+    void		coveLR( void );
+    void		coveUL( void );
+    void		coveUR( void );
+    inline void		output( GridTrimVertex& );
+    inline void		output( GridVertex& );
+    inline void		output( TrimVertex* );
+};
+
+#endif /* __glucoveandtiler_h */