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diff --git a/mesalib/src/glu/sgi/libnurbs/internals/quilt.h b/mesalib/src/glu/sgi/libnurbs/internals/quilt.h
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+++ b/mesalib/src/glu/sgi/libnurbs/internals/quilt.h
@@ -0,0 +1,92 @@
+/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+/*
+ * quilt.h
+ *
+ */
+
+#ifndef __gluquilt_h_
+#define __gluquilt_h_
+
+#include "defines.h"
+#include "bufpool.h"
+#include "types.h"
+
+class Backend;
+class Mapdesc;
+class Flist;
+struct Knotvector;
+
+/* constants for memory allocation of NURBS to Bezier conversion */ 
+#define	MAXDIM 		2
+
+struct Quiltspec { /* a specification for a dimension of a quilt */
+    int			stride;		/* words between points */
+    int			width;		/* number of segments */
+    int			offset;		/* words to first point */
+    int			order;		/* order */
+    int			index;		/* current segment number */
+    int			bdry[2];	/* boundary edge flag */
+    REAL  		step_size;
+    Knot *		breakpoints;
+};
+
+typedef Quiltspec *Quiltspec_ptr;
+    
+class Quilt : public PooledObj { /* an array of bezier patches */
+public:
+    			Quilt( Mapdesc * );
+    Mapdesc *		mapdesc;	/* map descriptor */
+    REAL *		cpts;		/* control points */
+    Quiltspec		qspec[MAXDIM];	/* the dimensional data */
+    Quiltspec_ptr	eqspec;		/* qspec trailer */
+    Quilt		*next;		/* next quilt in linked list */
+			
+public:
+    void		deleteMe( Pool& );
+    void		toBezier( Knotvector &, INREAL *, long  );
+    void		toBezier( Knotvector &, Knotvector &, INREAL *, long  );
+    void		select( REAL *, REAL * );
+    int			getDimension( void ) { return eqspec - qspec; }
+    void 		download( Backend & );
+    void		downloadAll( REAL *, REAL *, Backend & );
+    int 		isCulled( void );
+    void		getRange( REAL *, REAL *, Flist&, Flist & );
+    void		getRange( REAL *, REAL *, int, Flist & );
+    void		getRange( REAL *, REAL *, Flist&  );
+    void		findRates( Flist& slist, Flist& tlist, REAL[2] );
+    void		findSampleRates( Flist& slist, Flist& tlist );
+    void		show();
+};
+
+typedef class Quilt *Quilt_ptr;
+
+#endif /* __gluquilt_h_ */