Remove libGLU

It's been moved to its own repository, found at
	http://cgit.freedesktop.org/mesa/glu/

Acked-by: Kenneth Graunke <[email protected]>

1 files changed, 0 insertions, 588 deletions

diff --git a/src/glu/sgi/libnurbs/internals/backend.cc b/src/glu/sgi/libnurbs/internals/backend.cc
deleted file mode 100644
index 27b41ebb29e..00000000000
--- a/src/glu/sgi/libnurbs/internals/backend.cc
+++ /dev/null
@@ -1,588 +0,0 @@
-/*
-** 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.
-*/
-
-/*
- * backend.c++
- *
- */
-
-/* Bezier surface backend
-	- interprets display mode (wireframe,shaded,...)
-*/
-#include <stdio.h>
-#include "glimports.h"
-#include "mystdio.h"
-#include "backend.h"
-#include "basiccrveval.h"
-#include "basicsurfeval.h"
-
-#define NOWIREFRAME
-
-
-/*-------------------------------------------------------------------------
- * bgnsurf - preamble to surface definition and evaluations
- *-------------------------------------------------------------------------
- */
-void
-Backend::bgnsurf( int wiretris, int wirequads, long nuid )
-{
-/*#ifndef NOWIREFRAME*/ //need this for old version
-    wireframetris = wiretris;
-    wireframequads = wirequads;
-/*#endif*/
-
-    /*in the spec, GLU_DISPLAY_MODE is either
-     * GLU_FILL
-     * GLU_OUTLINE_POLY
-     * GLU_OUTLINE_PATCH.
-     *In fact, GLU_FLL is has the same effect as
-     * set GL_FRONT_AND_BACK to be GL_FILL
-     * and GLU_OUTLINE_POLY is the same as set 
-     *     GL_FRONT_AND_BACK to be GL_LINE
-     *It is more efficient to do this once at the beginning of
-     *each surface than to do it for each primitive.
-     *   The internal has more options: outline_triangle and outline_quad
-     *can be seperated. But since this is not in spec, and more importantly,
-     *this is not so useful, so we don't need to keep this option.
-     */
-
-    surfaceEvaluator.bgnmap2f( nuid );
-
-    if(wiretris)
-      surfaceEvaluator.polymode(N_MESHLINE);
-    else
-      surfaceEvaluator.polymode(N_MESHFILL);
-}
-
-void
-Backend::patch( REAL ulo, REAL uhi, REAL vlo, REAL vhi )
-{
-    surfaceEvaluator.domain2f( ulo, uhi, vlo, vhi );
-}
-
-void
-Backend::surfbbox( long type, REAL *from, REAL *to )
-{
-    surfaceEvaluator.range2f( type, from, to );
-}
-
-/*-------------------------------------------------------------------------
- * surfpts - pass a desription of a surface map
- *-------------------------------------------------------------------------
- */
-void 
-Backend::surfpts(
-    long type, 		/* geometry, color, texture, normal	*/
-    REAL *pts, 		/* control points			*/
-    long ustride,	/* distance to next point in u direction */
-    long vstride,	/* distance to next point in v direction */
-    int uorder,	/* u parametric order			*/
-    int vorder,	/* v parametric order			*/
-    REAL ulo,		/* u lower bound			*/
-    REAL uhi,		/* u upper bound			*/
-    REAL vlo,		/* v lower bound			*/
-    REAL vhi )		/* v upper bound			*/
-{
-    surfaceEvaluator.map2f( type,ulo,uhi,ustride,uorder,vlo,vhi,vstride,vorder,pts );
-    surfaceEvaluator.enable( type );
-}
-
-/*-------------------------------------------------------------------------
- * surfgrid - define a lattice of points with origin and offset
- *-------------------------------------------------------------------------
- */
-void
-Backend::surfgrid( REAL u0, REAL u1, long nu, REAL v0, REAL v1, long nv )
-{
-    surfaceEvaluator.mapgrid2f( nu, u0, u1, nv, v0, v1 );
-}
-
-/*-------------------------------------------------------------------------
- * surfmesh - evaluate a mesh of points on lattice
- *-------------------------------------------------------------------------
- */
-void
-Backend::surfmesh( long u, long v, long n, long m )
-{
-#ifndef NOWIREFRAME
-    if( wireframequads ) {
-	long v0,  v1;
-	long u0f = u, u1f = u+n;
-	long v0f = v, v1f = v+m;
-	long parity = (u & 1);
-
-        for( v0 = v0f, v1 = v0f++ ; v0<v1f; v0 = v1, v1++ ) {
-	    surfaceEvaluator.bgnline();
-	    for( long u = u0f; u<=u1f; u++ ) {
-		if( parity ) {
-		    surfaceEvaluator.evalpoint2i( u, v0 );
-		    surfaceEvaluator.evalpoint2i( u, v1 );
-		} else {
-		    surfaceEvaluator.evalpoint2i( u, v1 );
-		    surfaceEvaluator.evalpoint2i( u, v0 );
-		}
-		parity = 1 - parity;
-	    }
-	    surfaceEvaluator.endline();
-	}
-    } else {
-	surfaceEvaluator.mapmesh2f( N_MESHFILL, u, u+n, v, v+m );
-    }
-#else
-    if( wireframequads ) {
-
-	surfaceEvaluator.mapmesh2f( N_MESHLINE, u, u+n, v, v+m );
-    } else {
-
-	surfaceEvaluator.mapmesh2f( N_MESHFILL, u, u+n, v, v+m );
-    }
-#endif
-}
-
-/*-------------------------------------------------------------------------
- * endsurf - postamble to surface
- *-------------------------------------------------------------------------
- */
-void
-Backend::endsurf( void )
-{
-    surfaceEvaluator.endmap2f();
-}
-
-/***************************************/
-void
-Backend::bgntfan( void )
-{
-  surfaceEvaluator.bgntfan();
-/*
-  if(wireframetris)	
-    surfaceEvaluator.polymode( N_MESHLINE );
-  else
-    surfaceEvaluator.polymode( N_MESHFILL );
-*/
-}
-
-void
-Backend::endtfan( void )
-{
-   surfaceEvaluator.endtfan();
-}
-
-void
-Backend::bgnqstrip( void )
-{
-   surfaceEvaluator.bgnqstrip();
-/*
-  if(wireframequads)
-    surfaceEvaluator.polymode( N_MESHLINE );
-  else
-    surfaceEvaluator.polymode( N_MESHFILL );    
-*/
-}
-
-void
-Backend::endqstrip( void )
-{
-   surfaceEvaluator.endqstrip();
-}
-
-void
-Backend::evalUStrip(int n_upper, REAL v_upper, REAL* upper_val,
-                       int n_lower, REAL v_lower, REAL* lower_val
-                       )
-{
-	surfaceEvaluator.evalUStrip(n_upper, v_upper, upper_val, 
-				      n_lower, v_lower, lower_val);
-}
-
-void 
-Backend::evalVStrip(int n_left, REAL u_left, REAL* left_val, 
-		    int n_right, REAL u_right, REAL* right_val
-		    )
-{
-  surfaceEvaluator.evalVStrip(n_left, u_left, left_val,
-				n_right, u_right, right_val);
-}
-
-/***************************************/
-   
-
-/*-------------------------------------------------------------------------
- * bgntmesh - preamble to a triangle mesh
- *-------------------------------------------------------------------------
- */
-void
-Backend::bgntmesh( const char * )		
-{
-#ifndef NOWIREFRAME
-
-    meshindex = 0;	/* I think these need to be initialized to zero */
-    npts = 0;
-
-    if( !wireframetris ) {
-        surfaceEvaluator.bgntmesh();
-    }
-#else
-
-    if( wireframetris ) {
-        surfaceEvaluator.bgntmesh();
-	surfaceEvaluator.polymode( N_MESHLINE );
-    } else {
-        surfaceEvaluator.bgntmesh();
-	surfaceEvaluator.polymode( N_MESHFILL );
-    }
-#endif
-}
-
-void
-Backend::tmeshvert( GridTrimVertex *v )
-{
-    if( v->isGridVert() ) {
-	tmeshvert( v->g );
-    } else {
-	tmeshvert( v->t );
-    }
-}
-
-void
-Backend::tmeshvertNOGE(TrimVertex *t)
-{
-//	surfaceEvaluator.inDoEvalCoord2NOGE( t->param[0], t->param[1], temp, ttt);
-#ifdef USE_OPTTT
-	surfaceEvaluator.inDoEvalCoord2NOGE( t->param[0], t->param[1], t->cache_point, t->cache_normal);    
-#endif
-}
-
-//opt for a line with the same u.
-void
-Backend::tmeshvertNOGE_BU(TrimVertex *t)
-{
-#ifdef USE_OPTTT
-	surfaceEvaluator.inDoEvalCoord2NOGE_BU( t->param[0], t->param[1], t->cache_point, t->cache_normal);    
-#endif
-}
-
-//opt for a line with the same v.
-void
-Backend::tmeshvertNOGE_BV(TrimVertex *t)
-{
-#ifdef USE_OPTTT
-	surfaceEvaluator.inDoEvalCoord2NOGE_BV( t->param[0], t->param[1], t->cache_point, t->cache_normal);    
-#endif
-}
-
-void
-Backend::preEvaluateBU(REAL u)
-{
-	surfaceEvaluator.inPreEvaluateBU_intfac(u);
-}
-
-void 
-Backend::preEvaluateBV(REAL v)
-{
-	surfaceEvaluator.inPreEvaluateBV_intfac(v);
-}
-
-
-/*-------------------------------------------------------------------------
- * tmeshvert - evaluate a point on a triangle mesh
- *-------------------------------------------------------------------------
- */
-void
-Backend::tmeshvert( TrimVertex *t )
-{
-
-#ifndef NOWIREFRAME
-    const long nuid = t->nuid;
-#endif
-    const REAL u = t->param[0];
-    const REAL v = t->param[1];
-
-#ifndef NOWIREFRAME
-    npts++;
-    if( wireframetris ) {
-	if( npts >= 3 ) {
-	    surfaceEvaluator.bgnclosedline();
-	    if( mesh[0][2] == 0 )
-		surfaceEvaluator.evalcoord2f( mesh[0][3], mesh[0][0], mesh[0][1] );
-	    else
-		surfaceEvaluator.evalpoint2i( (long) mesh[0][0], (long) mesh[0][1] );
-	    if( mesh[1][2] == 0 )
-		surfaceEvaluator.evalcoord2f( mesh[1][3], mesh[1][0], mesh[1][1] );
-	    else
-		surfaceEvaluator.evalpoint2i( (long) mesh[1][0], (long) mesh[1][1] );
-	    surfaceEvaluator.evalcoord2f( nuid, u, v );
-	    surfaceEvaluator.endclosedline();
-	}
-        mesh[meshindex][0] = u;
-        mesh[meshindex][1] = v;
-	mesh[meshindex][2] = 0;
-	mesh[meshindex][3] = nuid;
-        meshindex = (meshindex+1) % 2;
-    } else {
-	surfaceEvaluator.evalcoord2f( nuid, u, v );
-    }
-#else
-          
-          surfaceEvaluator.evalcoord2f( 0, u, v );
-//for uninitial memory read          surfaceEvaluator.evalcoord2f( nuid, u, v );
-#endif
-}
-
-//the same as tmeshvert(trimvertex), for efficiency purpose
-void
-Backend::tmeshvert( REAL u, REAL v )
-{
-#ifndef NOWIREFRAME
-    const long nuid = 0;
-    
-    npts++;
-    if( wireframetris ) {
-	if( npts >= 3 ) {
-	    surfaceEvaluator.bgnclosedline();
-	    if( mesh[0][2] == 0 )
-		surfaceEvaluator.evalcoord2f( mesh[0][3], mesh[0][0], mesh[0][1] );
-	    else
-		surfaceEvaluator.evalpoint2i( (long) mesh[0][0], (long) mesh[0][1] );
-	    if( mesh[1][2] == 0 )
-		surfaceEvaluator.evalcoord2f( mesh[1][3], mesh[1][0], mesh[1][1] );
-	    else
-		surfaceEvaluator.evalpoint2i( (long) mesh[1][0], (long) mesh[1][1] );
-	    surfaceEvaluator.evalcoord2f( nuid, u, v );
-	    surfaceEvaluator.endclosedline();
-	}
-        mesh[meshindex][0] = u;
-        mesh[meshindex][1] = v;
-	mesh[meshindex][2] = 0;
-	mesh[meshindex][3] = nuid;
-        meshindex = (meshindex+1) % 2;
-    } else {
-	surfaceEvaluator.evalcoord2f( nuid, u, v );
-    }
-#else
-          
-          surfaceEvaluator.evalcoord2f( 0, u, v );
-#endif
-}
-
-/*-------------------------------------------------------------------------
- * tmeshvert - evaluate a grid point of a triangle mesh
- *-------------------------------------------------------------------------
- */
-void
-Backend::tmeshvert( GridVertex *g )
-{
-    const long u = g->gparam[0];
-    const long v = g->gparam[1];
-
-#ifndef NOWIREFRAME
-    npts++;
-    if( wireframetris ) {
-	if( npts >= 3 ) {
-	    surfaceEvaluator.bgnclosedline();
-	    if( mesh[0][2] == 0 )
-		surfaceEvaluator.evalcoord2f( (long) mesh[0][3], mesh[0][0], mesh[0][1] );
-	    else
-		surfaceEvaluator.evalpoint2i( (long) mesh[0][0], (long) mesh[0][1] );
-	    if( mesh[1][2] == 0 )
-		surfaceEvaluator.evalcoord2f( (long) mesh[1][3], mesh[1][0], mesh[1][1] );
-	    else
-		surfaceEvaluator.evalpoint2i( (long) mesh[1][0], (long) mesh[1][1] );
-	    surfaceEvaluator.evalpoint2i( u, v );
-	    surfaceEvaluator.endclosedline();
-	}
-        mesh[meshindex][0] = u;
-        mesh[meshindex][1] = v;
-	mesh[meshindex][2] = 1;
-        meshindex = (meshindex+1) % 2;
-    } else {
-        surfaceEvaluator.evalpoint2i( u, v );
-    }
-#else
-    surfaceEvaluator.evalpoint2i( u, v );
-#endif
-}
-
-/*-------------------------------------------------------------------------
- * swaptmesh - perform a swap of the triangle mesh pointers
- *-------------------------------------------------------------------------
- */
-void
-Backend::swaptmesh( void )
-{
-#ifndef NOWIREFRAME
-    if( wireframetris ) {
-        meshindex = 1 - meshindex;
-    } else {
-	surfaceEvaluator.swaptmesh();
-    }
-#else
-    surfaceEvaluator.swaptmesh();
-#endif
-}
-
-/*-------------------------------------------------------------------------
- * endtmesh - postamble to triangle mesh
- *-------------------------------------------------------------------------
- */
-void
-Backend::endtmesh( void )
-{
-#ifndef NOWIREFRAME
-    if( ! wireframetris )
-        surfaceEvaluator.endtmesh();
-#else
-    surfaceEvaluator.endtmesh();
-/*    surfaceEvaluator.polymode( N_MESHFILL );*/
-#endif
-}
-
-
-/*-------------------------------------------------------------------------
- * bgnoutline - preamble to outlined rendering
- *-------------------------------------------------------------------------
- */
-void
-Backend::bgnoutline( void )
-{
-    surfaceEvaluator.bgnline();
-}
-
-/*-------------------------------------------------------------------------
- * linevert - evaluate a point on an outlined contour
- *-------------------------------------------------------------------------
- */
-void
-Backend::linevert( TrimVertex *t )
-{
-    surfaceEvaluator.evalcoord2f( t->nuid, t->param[0], t->param[1] );
-}
-
-/*-------------------------------------------------------------------------
- * linevert - evaluate a grid point of an outlined contour
- *-------------------------------------------------------------------------
- */
-void
-Backend::linevert( GridVertex *g )
-{
-    surfaceEvaluator.evalpoint2i( g->gparam[0], g->gparam[1] );
-}
-
-/*-------------------------------------------------------------------------
- * endoutline - postamble to outlined rendering
- *-------------------------------------------------------------------------
- */
-void
-Backend::endoutline( void )
-{
-    surfaceEvaluator.endline();
-}
-
-/*-------------------------------------------------------------------------
- * triangle - output a triangle 
- *-------------------------------------------------------------------------
- */
-void
-Backend::triangle( TrimVertex *a, TrimVertex *b, TrimVertex *c )
-{
-/*    bgntmesh( "spittriangle" );*/
-    bgntfan();
-    tmeshvert( a );
-    tmeshvert( b );
-    tmeshvert( c );
-    endtfan();
-/*    endtmesh();*/
-}
-
-void 
-Backend::bgncurv( void )
-{
-    curveEvaluator.bgnmap1f( 0 );
-}
-
-void
-Backend::segment( REAL ulo, REAL uhi )
-{
-    curveEvaluator.domain1f( ulo, uhi );
-} 
-
-void 
-Backend::curvpts( 
-    long type,		 	/* geometry, color, texture, normal */
-    REAL *pts, 			/* control points */
-    long stride, 		/* distance to next point */
-    int order,			/* parametric order */
-    REAL ulo,			/* lower parametric bound */
-    REAL uhi )			/* upper parametric bound */
-
-{
-    curveEvaluator.map1f( type, ulo, uhi, stride, order, pts );
-    curveEvaluator.enable( type );
-}
-
-void 
-Backend::curvgrid( REAL u0, REAL u1, long nu )
-{
-    curveEvaluator.mapgrid1f( nu, u0, u1 );
-}
-
-void 
-Backend::curvmesh( long from, long n )
-{
-    curveEvaluator.mapmesh1f( N_MESHFILL, from, from+n );
-}
-
-void 
-Backend::curvpt(REAL u)
-{
-    curveEvaluator.evalcoord1f( 0, u );
-}
-
-void 
-Backend::bgnline( void )		
-{
-    curveEvaluator.bgnline();
-}
-
-void 
-Backend::endline( void )
-{
-    curveEvaluator.endline();
-}
-
-void 
-Backend::endcurv( void )
-{
-    curveEvaluator.endmap1f();
-}