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-rw-r--r--src/glu/sgi/libnurbs/internals/quilt.cc274
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diff --git a/src/glu/sgi/libnurbs/internals/quilt.cc b/src/glu/sgi/libnurbs/internals/quilt.cc
deleted file mode 100644
index d16f4bfec02..00000000000
--- a/src/glu/sgi/libnurbs/internals/quilt.cc
+++ /dev/null
@@ -1,274 +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.
-*/
-
-/*
- * quilt.c++
- *
- */
-
-#include "glimports.h"
-#include "mystdio.h"
-#include "myassert.h"
-#include "quilt.h"
-#include "backend.h"
-#include "mapdesc.h"
-#include "flist.h"
-#include "patchlist.h"
-#include "simplemath.h" //min()
-
-/* local preprocessor definitions */
-#define DEF_PATCH_STEPSIZE .4
-#define fsizeof(x) (sizeof(x)/sizeof(REAL))
-
-
-Quilt::Quilt( Mapdesc *_mapdesc )
-{
- mapdesc = _mapdesc;
-}
-
-void
-Quilt::deleteMe( Pool& p )
-{
- for( Quiltspec *q=qspec; q != eqspec; q++ ) {
-#if 1
- if( q->breakpoints) delete[] q->breakpoints; q->breakpoints = 0;
-#else
- if( q->breakpoints) {
- delete[] q->breakpoints;
- q->breakpoints = 0;
-printf("in here\n");
- }
-#endif
- }
- if( cpts ) delete[] cpts;
- cpts = 0;
- PooledObj::deleteMe( p );
-}
-
-void
-Quilt::show( void )
-{
-#ifndef NDEBUG
- int nc = mapdesc->getNcoords();
- REAL *ps = cpts;
- ps += qspec[0].offset;
- ps += qspec[1].offset;
- for( int i=0; i!= qspec[0].order * qspec[0].width; i++ ) {
- for( int j = 0; j!= qspec[1].order * qspec[1].width; j++ ) {
- for( int k=0; k < nc; k++ )
- _glu_dprintf( "%g ", ps[i*qspec[0].stride + j*qspec[1].stride + k] );
- _glu_dprintf( "\n" );
- }
- _glu_dprintf( "\n" );
- }
- _glu_dprintf( "\n" );
-#endif
-}
-
-/*--------------------------------------------------------------------------
- * Quilt::select - find which map in each quilt contains the points
- * pta and ptb with pta[i] < ptb[i]
- *--------------------------------------------------------------------------
- */
-
-void
-Quilt::select( REAL *pta, REAL *ptb )
-{
- int dim = eqspec - qspec;
- int i, j;
- for( i=0; i<dim; i++) {
- for( j=qspec[i].width-1; j>=0; j-- )
- if( (qspec[i].breakpoints[j] <= pta[i] ) &&
- (ptb[i] <= qspec[i].breakpoints[j+1] ) )
- break;
- assert( j != -1 );
- qspec[i].index = j;
- }
-}
-
-void
-Quilt::download( Backend &backend )
-{
- if( getDimension() == 2 ) {
- REAL *ps = cpts;
- ps += qspec[0].offset;
- ps += qspec[1].offset;
- ps += qspec[0].index * qspec[0].order * qspec[0].stride;
- ps += qspec[1].index * qspec[1].order * qspec[1].stride;
- backend.surfpts( mapdesc->getType(), ps,
- qspec[0].stride,
- qspec[1].stride,
- qspec[0].order,
- qspec[1].order,
- qspec[0].breakpoints[qspec[0].index],
- qspec[0].breakpoints[qspec[0].index+1],
- qspec[1].breakpoints[qspec[1].index],
- qspec[1].breakpoints[qspec[1].index+1] );
- } else {
- REAL *ps = cpts;
- ps += qspec[0].offset;
- ps += qspec[0].index * qspec[0].order * qspec[0].stride;
- backend.curvpts( mapdesc->getType(), ps,
- qspec[0].stride,
- qspec[0].order,
- qspec[0].breakpoints[qspec[0].index],
- qspec[0].breakpoints[qspec[0].index+1] );
- }
-}
-
-/*--------------------------------------------------------------------------
- * Quilt::downloadAll - download each map that contains the current patch
- *--------------------------------------------------------------------------
- */
-
-void
-Quilt::downloadAll( REAL *pta, REAL *ptb, Backend &backend )
-{
- for( Quilt *m = this; m; m=m->next ) {
- m->select( pta, ptb );
- m->download( backend );
- }
-}
-
-/*--------------------------------------------------------------------------
- * Quilt::isCulled - determine if an entire quilt is trivially rejected.
- *--------------------------------------------------------------------------
- */
-
-int
-Quilt::isCulled( void )
-{
- if( mapdesc->isCulling() )
- return mapdesc->xformAndCullCheck( cpts + qspec[0].offset + qspec[1].offset,
- qspec[0].order * qspec[0].width, qspec[0].stride,
- qspec[1].order * qspec[1].width, qspec[1].stride );
- else
- return CULL_ACCEPT;
-}
-
-/*---------------------------------------------------------------------------
- * Quilt::getRange - retrieve the valid paramater range of a set of quilts
- *---------------------------------------------------------------------------
- */
-void
-Quilt::getRange( REAL *from, REAL *to, Flist& slist, Flist &tlist )
-{
- getRange( from, to, 0, slist );
- getRange( from, to, 1, tlist );
-}
-
-/*---------------------------------------------------------------------------
- * Quilt::getRange - retrieve the valid paramater range of a set of quilts
- *---------------------------------------------------------------------------
- */
-void
-Quilt::getRange( REAL *from, REAL *to, int i, Flist &list )
-{
- Quilt *maps = this;
- from[i] = maps->qspec[i].breakpoints[0];
- to[i] = maps->qspec[i].breakpoints[maps->qspec[i].width];
- int maxpts = 0;
- Quilt_ptr m;
- for( m=maps; m; m=m->next ) {
- if( m->qspec[i].breakpoints[0] > from[i] )
- from[i] = m->qspec[i].breakpoints[0];
- if( m->qspec[i].breakpoints[m->qspec[i].width] < to[i] )
- to[i] = m->qspec[i].breakpoints[m->qspec[i].width];
- maxpts += m->qspec[i].width + 1;
- }
-
- list.grow( maxpts );
-
- for( m=maps; m; m=m->next )
- for( int j=0; j<=m->qspec[i].width; j++ ) {
- list.add( m->qspec[i].breakpoints[j] );
- }
-
- list.filter( );
- list.taper( from[i], to[i] );
-}
-
-void
-Quilt::getRange( REAL *from, REAL *to, Flist& slist )
-{
- getRange( from, to, 0, slist );
-}
-
-void
-Quilt::findRates( Flist& slist, Flist& tlist, REAL rate[2] )
-{
- findSampleRates( slist, tlist );
- rate[0] = qspec[0].step_size;
- rate[1] = qspec[1].step_size;
-
- for( Quilt *q = next; q; q = q->next ) {
- q->findSampleRates( slist, tlist );
- if( q->qspec[0].step_size < rate[0] )
- rate[0] = q->qspec[0].step_size;
- if( q->qspec[1].step_size < rate[1] )
- rate[1] = q->qspec[1].step_size;
- }
-}
-
-void
-Quilt::findSampleRates( Flist& slist, Flist& tlist )
-{
- qspec[0].step_size = DEF_PATCH_STEPSIZE *
- (qspec[0].breakpoints[qspec[0].width] - qspec[0].breakpoints[0]);
- qspec[1].step_size = DEF_PATCH_STEPSIZE *
- (qspec[1].breakpoints[qspec[1].width] - qspec[1].breakpoints[0]);
-
- for( int i = slist.start; i < slist.end-1; i++ ) {
- for( int j = tlist.start; j < tlist.end-1; j++ ) {
-
- REAL pta[2], ptb[2];
- pta[0] = slist.pts[i];
- ptb[0] = slist.pts[i+1];
- pta[1] = tlist.pts[j];
- ptb[1] = tlist.pts[j+1];
- Patchlist patchlist( this, pta, ptb );
- patchlist.getstepsize();
-
- {
- float edge_len_s = min(glu_abs(ptb[0]-pta[0]),1.0);
- float edge_len_t = min(glu_abs(ptb[1]-pta[1]),1.0);
-
- if( patchlist.getStepsize(0)/edge_len_s < qspec[0].step_size )
- qspec[0].step_size = patchlist.getStepsize(0)/edge_len_s;
- if( patchlist.getStepsize(1)/edge_len_t < qspec[1].step_size )
- qspec[1].step_size = patchlist.getStepsize(1)/edge_len_t;
- }
- }
- }
-}
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