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Diffstat (limited to 'mesalib/src/glu/sgi/libnurbs/internals/nurbsinterfac.cc')
| -rw-r--r-- | mesalib/src/glu/sgi/libnurbs/internals/nurbsinterfac.cc | 537 |
1 files changed, 0 insertions, 537 deletions
diff --git a/mesalib/src/glu/sgi/libnurbs/internals/nurbsinterfac.cc b/mesalib/src/glu/sgi/libnurbs/internals/nurbsinterfac.cc deleted file mode 100644 index 520bd419e..000000000 --- a/mesalib/src/glu/sgi/libnurbs/internals/nurbsinterfac.cc +++ /dev/null @@ -1,537 +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. -*/ - -/* - * nurbsinterfac.c++ - * - */ - -#include "glimports.h" -#include "mystdio.h" -#include "nurbsconsts.h" -#include "nurbstess.h" -#include "bufpool.h" -#include "quilt.h" -#include "displaylist.h" -#include "knotvector.h" -#include "mapdesc.h" - -#define THREAD( work, arg, cleanup ) \ - if( dl ) {\ - arg->save = 1;\ - dl->append( (PFVS)&NurbsTessellator::work, (void *) arg, (PFVS)&NurbsTessellator::cleanup );\ - } else {\ - arg->save = 0;\ - work( arg );\ - } - -#define THREAD2( work ) \ - if( dl ) {\ - dl->append( (PFVS)&NurbsTessellator::work, 0, 0 );\ - } else {\ - work( );\ - } - -NurbsTessellator::NurbsTessellator( BasicCurveEvaluator &c, BasicSurfaceEvaluator& e) - : maplist( backend ), - backend( c, e ), - subdivider( renderhints, backend ), - o_pwlcurvePool( sizeof( O_pwlcurve ), 32, "o_pwlcurvePool" ), - o_nurbscurvePool( sizeof( O_nurbscurve ), 32, "o_nurbscurvePool"), - o_curvePool( sizeof( O_curve ), 32, "o_curvePool" ), - o_trimPool( sizeof( O_trim ), 32, "o_trimPool" ), - o_surfacePool( sizeof( O_surface ), 1, "o_surfacePool" ), - o_nurbssurfacePool( sizeof( O_nurbssurface ), 4, "o_nurbssurfacePool" ), - propertyPool( sizeof( Property ), 32, "propertyPool" ), - quiltPool( sizeof( Quilt ), 32, "quiltPool" ) -{ - dl = 0; - inSurface = 0; - inCurve = 0; - inTrim = 0; - playBack = 0; - jumpbuffer = newJumpbuffer(); - subdivider.setJumpbuffer( jumpbuffer ); -} - -NurbsTessellator::~NurbsTessellator( void ) -{ - if( inTrim ) { - do_nurbserror( 12 ); - endtrim(); - } - - if( inSurface ) { - *nextNurbssurface = 0; - do_freeall(); - } - - if (jumpbuffer) { - deleteJumpbuffer(jumpbuffer); - jumpbuffer= 0; - } -} - -/*----------------------------------------------------------------------------- - * bgnsurface - allocate and initialize an o_surface structure - * - * Client: GL user - *----------------------------------------------------------------------------- - */ -void -NurbsTessellator::bgnsurface( long nuid ) -{ - O_surface *o_surface = new(o_surfacePool) O_surface; - o_surface->nuid = nuid; - THREAD( do_bgnsurface, o_surface, do_freebgnsurface ); -} - -/*----------------------------------------------------------------------------- - * bgncurve - allocate an initialize an o_curve structure - * - * Client: GL user - *----------------------------------------------------------------------------- - */ -void -NurbsTessellator::bgncurve( long nuid ) -{ - O_curve *o_curve = new(o_curvePool) O_curve; - o_curve->nuid = nuid; - THREAD( do_bgncurve, o_curve, do_freebgncurve ); -} -/*----------------------------------------------------------------------------- - * endcurve - - * - * Client: - *----------------------------------------------------------------------------- - */ - -void -NurbsTessellator::endcurve( void ) -{ - THREAD2( do_endcurve ); -} - -/*----------------------------------------------------------------------------- - * endsurface - user level end of surface call - * - * Client: GL user - *----------------------------------------------------------------------------- - */ -void -NurbsTessellator::endsurface( void ) -{ - THREAD2( do_endsurface ); -} - - -/*----------------------------------------------------------------------------- - * bgntrim - allocate and initialize a new trim loop structure (o_trim ) - * - * Client: GL user - *----------------------------------------------------------------------------- - */ -void -NurbsTessellator::bgntrim( void ) -{ - O_trim *o_trim = new(o_trimPool) O_trim; - THREAD( do_bgntrim, o_trim, do_freebgntrim ); -} - -/*----------------------------------------------------------------------------- - * endtrim - - * - * Client: GL user - *----------------------------------------------------------------------------- - */ -void -NurbsTessellator::endtrim( void ) -{ - THREAD2( do_endtrim ); -} - - -/*----------------------------------------------------------------------------- - * pwlcurve - - * - * count - number of points on curve - * array - array of points on curve - * byte_stride - distance between points in bytes - * type - valid data flag - * - * Client: Gl user - *----------------------------------------------------------------------------- - */ -void -NurbsTessellator::pwlcurve( long count, INREAL array[], long byte_stride, long type ) -{ - Mapdesc *mapdesc = maplist.locate( type ); - - if( mapdesc == 0 ) { - do_nurbserror( 35 ); - isDataValid = 0; - return; - } - - if ( (type != N_P2D) && (type != N_P2DR) ) { - do_nurbserror( 22 ); - isDataValid = 0; - return; - } - if( count < 0 ) { - do_nurbserror( 33 ); - isDataValid = 0; - return; - } - if( byte_stride < 0 ) { - do_nurbserror( 34 ); - isDataValid = 0; - return; - } - -#ifdef NOTDEF - if( mapdesc->isRational() ) { - INREAL *p = array; - INREAL x = p[0]; INREAL y = p[1]; INREAL w = p[2]; - p = (INREAL *) (((char *) p) + byte_stride); - for( long i = 1; i != count; i++ ) { - if( p[0] == x && p[1] == y && p[2] == w ) break; - x = p[0]; y = p[1]; w = p[2]; - p = (INREAL *) (((char *) p) + byte_stride); - } - if( i != count ) { - do_nurbserror( 37 ); - _glu_dprintf( "point %d (%f,%f)\n", i, x, y ); - isDataValid = 0; - return; - } - } else { - INREAL *p = array; - INREAL x = p[0]; INREAL y = p[1]; - p = (INREAL *) (((char *) p) + byte_stride); - for( long i = 1; i != count; i++ ) { - if( p[0] == x && p[1] == y ) break; - x = p[0]; y = p[1]; - p = (INREAL *) (((char *) p) + byte_stride); - } - if( i != count ) { - do_nurbserror( 37 ); - _glu_dprintf( "point %d (%f,%f)\n", i, x, y ); - isDataValid = 0; - return; - } - } -#endif - - O_pwlcurve *o_pwlcurve = new(o_pwlcurvePool) O_pwlcurve( type, count, array, byte_stride, extTrimVertexPool.get((int)count) ); - THREAD( do_pwlcurve, o_pwlcurve, do_freepwlcurve ); -} - - -/*----------------------------------------------------------------------------- - * nurbscurve - - * - * Client: GL user - *----------------------------------------------------------------------------- - */ -void -NurbsTessellator::nurbscurve( - long nknots, /* number of p knots */ - INREAL knot[], /* nondecreasing knot values in p */ - long byte_stride, /* distance in bytes between control points */ - INREAL ctlarray[], /* pointer to first control point */ - long order, /* order of spline */ - long type ) /* description of range space */ -{ - - Mapdesc *mapdesc = maplist.locate( type ); - - if( mapdesc == 0 ) { - do_nurbserror( 35 ); - isDataValid = 0; - return; - } - - if( ctlarray == 0 ) { - do_nurbserror( 36 ); - isDataValid = 0; - return; - } - - if( byte_stride < 0 ) { - do_nurbserror( 34 ); - isDataValid = 0; - return; - } - - Knotvector knots; - - knots.init( nknots, byte_stride, order, knot ); - if( do_check_knots( &knots, "curve" ) ) return; - - O_nurbscurve *o_nurbscurve = new(o_nurbscurvePool) O_nurbscurve(type); - o_nurbscurve->bezier_curves = new(quiltPool) Quilt(mapdesc); - o_nurbscurve->bezier_curves->toBezier( knots,ctlarray, mapdesc->getNcoords() ); - - THREAD( do_nurbscurve, o_nurbscurve, do_freenurbscurve ); -} - - -/*----------------------------------------------------------------------------- - * nurbssurface - - * - * Client: User routine - *----------------------------------------------------------------------------- - */ -void -NurbsTessellator::nurbssurface( - long sknot_count, /* number of s knots */ - INREAL sknot[], /* nondecreasing knot values in s */ - long tknot_count, /* number of t knots */ - INREAL tknot[], /* nondecreasing knot values in t */ - long s_byte_stride, /* s step size in memory bytes */ - long t_byte_stride, /* t step size in memory bytes */ - INREAL ctlarray[], /* pointer to first control point */ - long sorder, /* order of the spline in s parameter */ - long torder, /* order of the spline in t parameter */ - long type) /* description of range space */ -{ - Mapdesc *mapdesc = maplist.locate( type ); - - if( mapdesc == 0 ) { - do_nurbserror( 35 ); - isDataValid = 0; - return; - } - - if( s_byte_stride < 0 ) { - do_nurbserror( 34 ); - isDataValid = 0; - return; - } - - if( t_byte_stride < 0 ) { - do_nurbserror( 34 ); - isDataValid = 0; - return; - } - - Knotvector sknotvector, tknotvector; - - sknotvector.init( sknot_count, s_byte_stride, sorder, sknot ); - if( do_check_knots( &sknotvector, "surface" ) ) return; - - tknotvector.init( tknot_count, t_byte_stride, torder, tknot ); - if( do_check_knots( &tknotvector, "surface" ) ) return; - - O_nurbssurface *o_nurbssurface = new(o_nurbssurfacePool) O_nurbssurface(type); - o_nurbssurface->bezier_patches = new(quiltPool) Quilt(mapdesc); - - o_nurbssurface->bezier_patches->toBezier( sknotvector, tknotvector, - ctlarray, mapdesc->getNcoords() ); - THREAD( do_nurbssurface, o_nurbssurface, do_freenurbssurface ); -} - - -/*----------------------------------------------------------------------------- - * setnurbsproperty - - * - *----------------------------------------------------------------------------- - */ -void -NurbsTessellator::setnurbsproperty( long tag, INREAL value ) -{ - if( ! renderhints.isProperty( tag ) ) { - do_nurbserror( 26 ); - } else { - Property *prop = new(propertyPool) Property( tag, value ); - THREAD( do_setnurbsproperty, prop, do_freenurbsproperty ); - } -} - -/*----------------------------------------------------------------------------- - * setnurbsproperty - - * - *----------------------------------------------------------------------------- - */ -void -NurbsTessellator::setnurbsproperty( long type, long tag, INREAL value ) -{ - Mapdesc *mapdesc = maplist.locate( type ); - - if( mapdesc == 0 ) { - do_nurbserror( 35 ); - return; - } - - if( ! mapdesc->isProperty( tag ) ) { - do_nurbserror( 26 ); - return; - } - - Property *prop = new(propertyPool) Property( type, tag, value ); - THREAD( do_setnurbsproperty2, prop, do_freenurbsproperty ); -} - - -/*----------------------------------------------------------------------------- - * getnurbsproperty - - * - *----------------------------------------------------------------------------- - */ - -void -NurbsTessellator::getnurbsproperty( long tag, INREAL *value ) -{ - if( renderhints.isProperty( tag ) ) { - *value = renderhints.getProperty( tag ); - } else { - do_nurbserror( 26 ); - } -} - -/*----------------------------------------------------------------------------- - * getnurbsproperty - - * - *----------------------------------------------------------------------------- - */ - -void -NurbsTessellator::getnurbsproperty( long type, long tag, INREAL *value ) -{ - Mapdesc *mapdesc = maplist.locate( type ); - - if( mapdesc == 0 ) - do_nurbserror( 35 ); - - if( mapdesc->isProperty( tag ) ) { - *value = mapdesc->getProperty( tag ); - } else { - do_nurbserror( 26 ); - } -} - -/*-------------------------------------------------------------------------- - * setnurbsproperty - accept a user supplied matrix as culling or sampling mat - *-------------------------------------------------------------------------- - */ - -void -NurbsTessellator::setnurbsproperty( long type, long purpose, INREAL *mat ) -{ - // XXX - cannot be put in display list - Mapdesc *mapdesc = maplist.locate( type ); - - if( mapdesc == 0 ) { - do_nurbserror( 35 ); - isDataValid = 0; - } else if( purpose == N_BBOXSIZE ) { - mapdesc->setBboxsize( mat ); - } else { -#ifndef NDEBUG - _glu_dprintf( "ERRORRORRORR!!!\n"); -#endif - } -} - -/*-------------------------------------------------------------------------- - * setnurbsproperty - accept a user supplied matrix as culling or sampling mat - *-------------------------------------------------------------------------- - */ - -void -NurbsTessellator::setnurbsproperty( long type, long purpose, INREAL *mat, - long rstride, long cstride ) -{ - // XXX - cannot be put in display list - Mapdesc *mapdesc = maplist.locate( type ); - - if( mapdesc == 0 ) { - do_nurbserror( 35 ); - isDataValid = 0; - } else if( purpose == N_CULLINGMATRIX ) { - mapdesc->setCmat( mat, rstride, cstride ); - } else if( purpose == N_SAMPLINGMATRIX ) { - mapdesc->setSmat( mat, rstride, cstride ); - } else if( purpose == N_BBOXMATRIX ) { - mapdesc->setBmat( mat, rstride, cstride ); - } else { -#ifndef NDEBUG - _glu_dprintf( "ERRORRORRORR!!!\n"); -#endif - } -} - -void -NurbsTessellator::redefineMaps( void ) -{ - maplist.initialize(); -} - -void -NurbsTessellator::defineMap( long type, long rational, long ncoords ) -{ - maplist.define( type, (int) rational, (int) ncoords ); -} - -void -NurbsTessellator::discardRecording( void *_dl ) -{ - delete (DisplayList *) _dl; -} - -void * -NurbsTessellator::beginRecording( void ) -{ - dl = new DisplayList( this ); - return (void *) dl; -} - -void -NurbsTessellator::endRecording( void ) -{ - dl->endList(); - dl = 0; -} - -void -NurbsTessellator::playRecording( void *_dl ) -{ - playBack = 1; - bgnrender(); - ((DisplayList *)_dl)->play(); - endrender(); - playBack = 0; -} - |