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diff --git a/mesalib/src/glu/sgi/libnurbs/internals/backend.h b/mesalib/src/glu/sgi/libnurbs/internals/backend.h
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--- a/mesalib/src/glu/sgi/libnurbs/internals/backend.h
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- * 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.
- */
-
-/*
- * backend.h
- *
- */
-
-#ifndef __glubackend_h_
-#define __glubackend_h_
-
-#include "trimvertex.h"
-#include "gridvertex.h"
-#include "gridtrimvertex.h"
-
-class BasicCurveEvaluator;
-class BasicSurfaceEvaluator;
-
-class Backend {
-private:
- BasicCurveEvaluator& curveEvaluator;
- BasicSurfaceEvaluator& surfaceEvaluator;
-public:
- Backend( BasicCurveEvaluator &c, BasicSurfaceEvaluator& e )
- : curveEvaluator(c), surfaceEvaluator(e) {}
-
- /* surface backend routines */
- void bgnsurf( int, int, long );
- void patch( REAL, REAL, REAL, REAL );
- void surfpts( long, REAL *, long, long, int, int,
- REAL, REAL, REAL, REAL );
- void surfbbox( long, REAL *, REAL * );
- void surfgrid( REAL, REAL, long, REAL, REAL, long );
- void surfmesh( long, long, long, long );
- void bgntmesh( const char * );
- void endtmesh( void );
- void swaptmesh( void );
- void tmeshvert( GridTrimVertex * );
- void tmeshvert( TrimVertex * );
- void tmeshvert( GridVertex * );
- void tmeshvert( REAL u, REAL v );
- void linevert( TrimVertex * );
- void linevert( GridVertex * );
- void bgnoutline( void );
- void endoutline( void );
- void endsurf( void );
- void triangle( TrimVertex*, TrimVertex*, TrimVertex* );
-
- void bgntfan();
- void endtfan();
- void bgnqstrip();
- void endqstrip();
- void evalUStrip(int n_upper, REAL v_upper, REAL* upper_val,
- int n_lower, REAL v_lower, REAL* lower_val
- );
- void evalVStrip(int n_left, REAL u_left, REAL* left_val,
- int n_right, REAL v_right, REAL* right_val
- );
- void tmeshvertNOGE(TrimVertex *t);
- void tmeshvertNOGE_BU(TrimVertex *t);
- void tmeshvertNOGE_BV(TrimVertex *t);
- void preEvaluateBU(REAL u);
- void preEvaluateBV(REAL v);
-
-
- /* curve backend routines */
- void bgncurv( void );
- void segment( REAL, REAL );
- void curvpts( long, REAL *, long, int, REAL, REAL );
- void curvgrid( REAL, REAL, long );
- void curvmesh( long, long );
- void curvpt( REAL );
- void bgnline( void );
- void endline( void );
- void endcurv( void );
-private:
-#ifndef NOWIREFRAME
- int wireframetris;
- int wireframequads;
- int npts;
- REAL mesh[3][4];
- int meshindex;
-#endif
-};
-
-#endif /* __glubackend_h_ */