windows-nt/Source/XPSP1/NT/multimedia/opengl/glu/libnurbs/displayl.c

/*
** Copyright 1992, Silicon Graphics, Inc.
** All Rights Reserved.
**
** This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
** the contents of this file may not be disclosed to third parties, copied or
** duplicated in any form, in whole or in part, without the prior written
** permission of Silicon Graphics, Inc.
**
** RESTRICTED RIGHTS LEGEND:
** Use, duplication or disclosure by the Government is subject to restrictions
** as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
** and Computer Software clause at DFARS 252.227-7013, and/or in similar or
** successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
** rights reserved under the Copyright Laws of the United States.
**
*/

#include <stdlib.h>
#include <setjmp.h>

struct JumpBuffer {
    jmp_buf     buf;
};

#define mysetjmp(x) setjmp((x)->buf)
#define mylongjmp(x,y) longjmp((x)->buf, y)

/* <<AT&T USL C++ Language System <3.0.1> 02/03/92>> */
/* < ../core/displaylist.c++ > */

void *__vec_new (void *, int , int , void *);

void __vec_ct (void *, int , int , void *);

void __vec_dt (void *, int , int , void *);

void __vec_delete (void *, int , int , void *, int , int );
typedef int (*__vptp)(void);
struct __mptr {short d; short i; __vptp f; };






typedef unsigned int size_t ;





// extern void *malloc (size_t );
// extern void free (void *);





struct JumpBuffer;













struct Buffer;

struct Buffer {	

struct Buffer *next__6Buffer ;
};
struct Pool;

enum __Q2_4Pool5Magic { is_allocated__Q2_4Pool5Magic = 62369, is_free__Q2_4Pool5Magic = 61858} ;

struct Pool {	

struct Buffer *freelist__4Pool ;
char *blocklist__4Pool [32];
int nextblock__4Pool ;
char *curblock__4Pool ;
int buffersize__4Pool ;
int nextsize__4Pool ;
int nextfree__4Pool ;
int initsize__4Pool ;

char *name__4Pool ;
int magic__4Pool ;
};

void __glgrow__4PoolFv (struct Pool *);


struct PooledObj;

struct PooledObj {	

char __W3__9PooledObj ;
};







typedef float REAL ;
typedef void (*Pfvv )(void );
typedef void (*Pfvf )(float *);
typedef int (*cmpfunc )(void *, void *);
typedef REAL Knot ;

typedef REAL *Knot_ptr ;






struct TrimVertex;



struct PwlArc;



struct PwlArc {	

char __W3__9PooledObj ;

struct TrimVertex *pts__6PwlArc ;
int npts__6PwlArc ;
long type__6PwlArc ;
};




struct TrimVertex;

struct TrimVertex {	
REAL param__10TrimVertex [2];
long nuid__10TrimVertex ;
};


typedef struct TrimVertex *TrimVertex_p ;

struct Bin;

struct Arc;

struct BezierArc;


typedef struct Arc *Arc_ptr ;
enum arc_side { arc_none = 0, arc_right = 1, arc_top = 2, arc_left = 3, arc_bottom = 4} ;


struct Arc;

struct Arc {	

char __W3__9PooledObj ;

Arc_ptr prev__3Arc ;
Arc_ptr next__3Arc ;
Arc_ptr link__3Arc ;
struct BezierArc *bezierArc__3Arc ;
struct PwlArc *pwlArc__3Arc ;
long type__3Arc ;
long nuid__3Arc ;
};

extern int __glbezier_tag__3Arc ;
extern int __glarc_tag__3Arc ;
extern int __gltail_tag__3Arc ;











struct Bin;

struct Bin {	

struct Arc *head__3Bin ;
struct Arc *current__3Bin ;
};









struct Sorter;

struct Sorter {	

int es__6Sorter ;
struct __mptr *__vptr__6Sorter ;
};

struct FlistSorter;

struct FlistSorter {	

int es__6Sorter ;
struct __mptr *__vptr__6Sorter ;
};

struct Flist;

struct Flist {	

REAL *pts__5Flist ;
int npts__5Flist ;
int start__5Flist ;
int end__5Flist ;

struct FlistSorter sorter__5Flist ;
};








struct Backend;



struct Jarcloc;

struct Jarcloc {	

struct Arc *arc__7Jarcloc ;
struct TrimVertex *p__7Jarcloc ;
struct TrimVertex *plast__7Jarcloc ;
};


struct Trimline;

struct Trimline {	

struct TrimVertex **pts__8Trimline ;
long numverts__8Trimline ;
long i__8Trimline ;
long size__8Trimline ;
struct Jarcloc jarcl__8Trimline ;
struct TrimVertex t__8Trimline ;

struct TrimVertex b__8Trimline ;
struct TrimVertex *tinterp__8Trimline ;

struct TrimVertex *binterp__8Trimline ;
};




struct Gridline;

struct Gridline {	
long v__8Gridline ;
REAL vval__8Gridline ;
long vindex__8Gridline ;
long ustart__8Gridline ;
long uend__8Gridline ;
};




struct Uarray;

struct Uarray {	

long size__6Uarray ;
long ulines__6Uarray ;

REAL *uarray__6Uarray ;
};


struct Backend;

struct TrimRegion;

void __gl__dt__8TrimlineFv (struct Trimline *, int );

void __gl__dt__6UarrayFv (struct Uarray *, int );


struct TrimRegion {	

struct Trimline left__10TrimRegion ;
struct Trimline right__10TrimRegion ;
struct Gridline top__10TrimRegion ;
struct Gridline bot__10TrimRegion ;
struct Uarray uarray__10TrimRegion ;

REAL oneOverDu__10TrimRegion ;
};





struct GridTrimVertex;



struct __Q2_4Hull4Side;

struct  __Q2_4Hull4Side {	
struct Trimline *left__Q2_4Hull4Side ;
struct Gridline *line__Q2_4Hull4Side ;
struct Trimline *right__Q2_4Hull4Side ;
long index__Q2_4Hull4Side ;
};
struct Hull;

struct Hull {	

struct  __Q2_4Hull4Side lower__4Hull ;
struct  __Q2_4Hull4Side upper__4Hull ;
struct Trimline fakeleft__4Hull ;
struct Trimline fakeright__4Hull ;
struct TrimRegion *PTrimRegion;
struct TrimRegion OTrimRegion;
};


struct Backend;


struct GridTrimVertex;

struct Mesher;

struct Mesher {	

struct  __Q2_4Hull4Side lower__4Hull ;
struct  __Q2_4Hull4Side upper__4Hull ;
struct Trimline fakeleft__4Hull ;
struct Trimline fakeright__4Hull ;
struct TrimRegion *PTrimRegion;

struct Backend *backend__6Mesher ;

struct Pool p__6Mesher ;
unsigned int stacksize__6Mesher ;
struct GridTrimVertex **vdata__6Mesher ;
struct GridTrimVertex *last__6Mesher [2];
int itop__6Mesher ;
int lastedge__6Mesher ;
struct TrimRegion OTrimRegion;
};

extern float __glZERO__6Mesher ;



struct Backend;


struct GridVertex;

struct GridTrimVertex;

struct CoveAndTiler;

struct CoveAndTiler {	

struct Backend *backend__12CoveAndTiler ;
struct TrimRegion *PTrimRegion;
struct TrimRegion OTrimRegion;
};

extern int __glMAXSTRIPSIZE__12CoveAndTil0 ;

struct Backend;



struct Slicer;

struct Slicer {	

struct Backend *backend__12CoveAndTiler ;
struct TrimRegion *PTrimRegion;
struct Mesher OMesher;

struct Backend *backend__6Slicer ;
REAL oneOverDu__6Slicer ;
REAL du__6Slicer ;

REAL dv__6Slicer ;
int isolines__6Slicer ;
};



struct BezierArc;


struct TrimVertexPool;

struct ArcTessellator;

struct ArcTessellator {	

struct Pool *pwlarcpool__14ArcTessellator ;
struct TrimVertexPool *trimvertexpool__14ArcTessellator ;
};

extern REAL __glgl_Bernstein__14ArcTessell0 [][24][24];




struct TrimVertexPool;

struct TrimVertexPool {	

struct Pool pool__14TrimVertexPool ;
struct TrimVertex **vlist__14TrimVertexPool ;
int nextvlistslot__14TrimVertexPool ;
int vlistsize__14TrimVertexPool ;
};




struct Renderhints;

struct Backend;

struct Quilt;

struct Patchlist;

struct Curvelist;

struct JumpBuffer;

struct Subdivider;
enum __Q2_10Subdivider3dir { down__Q2_10Subdivider3dir = 0, same__Q2_10Subdivider3dir = 1, up__Q2_10Subdivider3dir = 2, none__Q2_10Subdivider3dir = 3} ;

struct Subdivider {	

struct Slicer slicer__10Subdivider ;
struct ArcTessellator arctessellator__10Subdivider ;
struct Pool arcpool__10Subdivider ;
struct Pool bezierarcpool__10Subdivider ;
struct Pool pwlarcpool__10Subdivider ;
struct TrimVertexPool trimvertexpool__10Subdivider ;

struct JumpBuffer *jumpbuffer__10Subdivider ;
struct Renderhints *renderhints__10Subdivider ;
struct Backend *backend__10Subdivider ;

struct Bin initialbin__10Subdivider ;
struct Arc *pjarc__10Subdivider ;
int s_index__10Subdivider ;
int t_index__10Subdivider ;
struct Quilt *qlist__10Subdivider ;
struct Flist spbrkpts__10Subdivider ;
struct Flist tpbrkpts__10Subdivider ;
struct Flist smbrkpts__10Subdivider ;
struct Flist tmbrkpts__10Subdivider ;
REAL stepsizes__10Subdivider [4];
int showDegenerate__10Subdivider ;
int isArcTypeBezier__10Subdivider ;
};




struct Renderhints;

struct Renderhints {	

REAL display_method__11Renderhints ;
REAL errorchecking__11Renderhints ;
REAL subdivisions__11Renderhints ;
REAL tmp1__11Renderhints ;

int displaydomain__11Renderhints ;
int maxsubdivisions__11Renderhints ;
int wiretris__11Renderhints ;
int wirequads__11Renderhints ;
};






struct GridVertex;

struct GridVertex {	
long gparam__10GridVertex [2];
};







struct GridTrimVertex;

struct GridTrimVertex {	

char __W3__9PooledObj ;

struct TrimVertex dummyt__14GridTrimVertex ;
struct GridVertex dummyg__14GridTrimVertex ;

struct TrimVertex *t__14GridTrimVertex ;
struct GridVertex *g__14GridTrimVertex ;
};






typedef struct GridTrimVertex *GridTrimVertex_p ;

struct BasicCurveEvaluator;

struct BasicSurfaceEvaluator;

struct Backend;

struct Backend {	

struct BasicCurveEvaluator *curveEvaluator__7Backend ;
struct BasicSurfaceEvaluator *surfaceEvaluator__7Backend ;

int wireframetris__7Backend ;
int wireframequads__7Backend ;
int npts__7Backend ;
REAL mesh__7Backend [3][4];
int meshindex__7Backend ;
};






struct Mapdesc;

struct Maplist;

void __gl__dt__4PoolFv (struct Pool *, int );


struct Maplist {	

struct Pool mapdescPool__7Maplist ;
struct Mapdesc *maps__7Maplist ;
struct Mapdesc **lastmap__7Maplist ;
struct Backend *backend__7Maplist ;
};

struct Mapdesc *__gllocate__7MaplistFl (struct Maplist *, long );

void __glremove__7MaplistFP7Mapdesc (struct Maplist *, struct Mapdesc *);



enum Curvetype { ct_nurbscurve = 0, ct_pwlcurve = 1, ct_none = 2} ;
struct Property;

struct O_surface;

struct O_nurbssurface;

struct O_trim;

struct O_pwlcurve;

struct O_nurbscurve;

struct O_curve;

struct Quilt;


union __Q2_7O_curve4__C1;

union  __Q2_7O_curve4__C1 {	
struct O_nurbscurve *o_nurbscurve ;
struct O_pwlcurve *o_pwlcurve ;
};


struct O_curve;

struct O_curve {	

char __W3__9PooledObj ;

union  __Q2_7O_curve4__C1 curve__7O_curve ;
int curvetype__7O_curve ;
struct O_curve *next__7O_curve ;
struct O_surface *owner__7O_curve ;
int used__7O_curve ;
int save__7O_curve ;
long nuid__7O_curve ;
};






struct O_nurbscurve;

struct O_nurbscurve {	

char __W3__9PooledObj ;

struct Quilt *bezier_curves__12O_nurbscurve ;
long type__12O_nurbscurve ;
REAL tesselation__12O_nurbscurve ;
int method__12O_nurbscurve ;
struct O_nurbscurve *next__12O_nurbscurve ;
int used__12O_nurbscurve ;
int save__12O_nurbscurve ;
struct O_curve *owner__12O_nurbscurve ;
};






struct O_pwlcurve;



struct O_pwlcurve {	

char __W3__9PooledObj ;

struct TrimVertex *pts__10O_pwlcurve ;
int npts__10O_pwlcurve ;
struct O_pwlcurve *next__10O_pwlcurve ;
int used__10O_pwlcurve ;
int save__10O_pwlcurve ;
struct O_curve *owner__10O_pwlcurve ;
};



struct O_trim;

struct O_trim {	

char __W3__9PooledObj ;

struct O_curve *o_curve__6O_trim ;
struct O_trim *next__6O_trim ;
int save__6O_trim ;
};






struct O_nurbssurface;

struct O_nurbssurface {	

char __W3__9PooledObj ;

struct Quilt *bezier_patches__14O_nurbssurface ;
long type__14O_nurbssurface ;
struct O_surface *owner__14O_nurbssurface ;
struct O_nurbssurface *next__14O_nurbssurface ;
int save__14O_nurbssurface ;
int used__14O_nurbssurface ;
};






struct O_surface;

struct O_surface {	

char __W3__9PooledObj ;

struct O_nurbssurface *o_nurbssurface__9O_surface ;
struct O_trim *o_trim__9O_surface ;
int save__9O_surface ;
long nuid__9O_surface ;
};






struct Property;

struct Property {	

char __W3__9PooledObj ;

long type__8Property ;
long tag__8Property ;
REAL value__8Property ;
int save__8Property ;
};




struct NurbsTessellator;


struct Knotvector;

struct Quilt;

struct DisplayList;

struct BasicCurveEvaluator;

struct BasicSurfaceEvaluator;

struct NurbsTessellator;

struct NurbsTessellator {	

struct Renderhints renderhints__16NurbsTessellator ;
struct Maplist maplist__16NurbsTessellator ;
struct Backend backend__16NurbsTessellator ;

struct Subdivider subdivider__16NurbsTessellator ;
struct JumpBuffer *jumpbuffer__16NurbsTessellator ;
struct Pool o_pwlcurvePool__16NurbsTessellator ;
struct Pool o_nurbscurvePool__16NurbsTessellator ;
struct Pool o_curvePool__16NurbsTessellator ;
struct Pool o_trimPool__16NurbsTessellator ;
struct Pool o_surfacePool__16NurbsTessellator ;
struct Pool o_nurbssurfacePool__16NurbsTessellator ;
struct Pool propertyPool__16NurbsTessellator ;
struct Pool quiltPool__16NurbsTessellator ;
struct TrimVertexPool extTrimVertexPool__16NurbsTessellator ;

int inSurface__16NurbsTessellator ;
int inCurve__16NurbsTessellator ;
int inTrim__16NurbsTessellator ;
int isCurveModified__16NurbsTessellator ;
int isTrimModified__16NurbsTessellator ;
int isSurfaceModified__16NurbsTessellator ;
int isDataValid__16NurbsTessellator ;
int numTrims__16NurbsTessellator ;
int playBack__16NurbsTessellator ;

struct O_trim **nextTrim__16NurbsTessellator ;
struct O_curve **nextCurve__16NurbsTessellator ;
struct O_nurbscurve **nextNurbscurve__16NurbsTessellator ;
struct O_pwlcurve **nextPwlcurve__16NurbsTessellator ;
struct O_nurbssurface **nextNurbssurface__16NurbsTessellator ;

struct O_surface *currentSurface__16NurbsTessellator ;
struct O_trim *currentTrim__16NurbsTessellator ;
struct O_curve *currentCurve__16NurbsTessellator ;

struct DisplayList *dl__16NurbsTessellator ;

struct __mptr *__vptr__16NurbsTessellator ;
};

extern char *__glNurbsErrors [];






typedef struct __mptr PFVS ;


struct Dlnode;



struct Dlnode {	

char __W3__9PooledObj ;

PFVS work__6Dlnode ;
void *arg__6Dlnode ;
PFVS cleanup__6Dlnode ;
struct Dlnode *next__6Dlnode ;
};

struct DisplayList;

struct DisplayList {	

struct Dlnode *nodes__11DisplayList ;
struct Pool dlnodePool__11DisplayList ;
struct Dlnode **lastNode__11DisplayList ;
struct NurbsTessellator *nt__11DisplayList ;
};



struct Pool *__gl__ct__4PoolFiT1Pc (struct Pool *, int , int , char *);
extern struct __mptr* __ptbl_vec_____core_displaylist_c_____ct_[];


struct DisplayList *__gl__ct__11DisplayListFP16Nur0 (struct DisplayList *__0this , struct NurbsTessellator *__1_nt )
{ 
void *__1__Xp00uzigaiaa ;

if (__0this || (__0this = (struct DisplayList *)( (__1__Xp00uzigaiaa = malloc ( (sizeof (struct DisplayList))) ), (__1__Xp00uzigaiaa ?(((void *)__1__Xp00uzigaiaa )):(((void *)__1__Xp00uzigaiaa )))) )){
__gl__ct__4PoolFiT1Pc ( (struct Pool *)(& __0this -> dlnodePool__11DisplayList ), (int )(sizeof (struct Dlnode )), 1 , (char *)"dlnodepool")
;
__0this -> lastNode__11DisplayList = (& __0this -> nodes__11DisplayList );
__0this -> nt__11DisplayList = __1_nt ;
} return __0this ;

}


void __gl__dt__11DisplayListFv (struct DisplayList *__0this , 
int __0__free )
{ 
struct Dlnode *__1nextNode ;

if (__0this ){ 
{ ;

for(;__0this -> nodes__11DisplayList ;__0this -> nodes__11DisplayList = __1nextNode ) { 
__1nextNode = __0this -> nodes__11DisplayList -> next__6Dlnode ;
if (__0this -> nodes__11DisplayList -> cleanup__6Dlnode .i!= 0 )(__0this -> nodes__11DisplayList -> cleanup__6Dlnode .i< 0 )?((*(((void (*)(struct NurbsTessellator *, void *))__0this -> nodes__11DisplayList -> cleanup__6Dlnode .f))))(
(struct NurbsTessellator *)(((struct NurbsTessellator *)((((char *)__0this -> nt__11DisplayList ))+ __0this -> nodes__11DisplayList -> cleanup__6Dlnode .d))), __0this -> nodes__11DisplayList -> arg__6Dlnode ) :((*(((void (*)(struct NurbsTessellator *,
void *))(__0this -> nt__11DisplayList -> __vptr__16NurbsTessellator [__0this -> nodes__11DisplayList -> cleanup__6Dlnode .i]).f))))( (struct NurbsTessellator *)(((struct NurbsTessellator *)((((char *)__0this -> nt__11DisplayList ))+ (__0this -> nt__11DisplayList -> __vptr__16NurbsTessellator [__0this ->
nodes__11DisplayList -> cleanup__6Dlnode .i]).d))), __0this -> nodes__11DisplayList -> arg__6Dlnode ) ;

}

}
if (__0this ){ __gl__dt__4PoolFv ( (struct Pool *)(& __0this -> dlnodePool__11DisplayList ), 2) ;

if (__0__free & 1)( (((void *)__0this )?( free ( ((void *)__0this )) , 0 ) :( 0 ) )) ;
} } }

void __glplay__11DisplayListFv (struct DisplayList *__0this )
{ 
{ { struct Dlnode *__1node ;

__1node = __0this -> nodes__11DisplayList ;

for(;__1node ;__1node = __1node -> next__6Dlnode ) 
if (__1node -> work__6Dlnode .i!= 0 )(__1node -> work__6Dlnode .i< 0 )?((*(((void (*)(struct NurbsTessellator *, void *))__1node -> work__6Dlnode .f))))(
(struct NurbsTessellator *)(((struct NurbsTessellator *)((((char *)__0this -> nt__11DisplayList ))+ __1node -> work__6Dlnode .d))), __1node -> arg__6Dlnode ) :((*(((void (*)(struct NurbsTessellator *, void *))(__0this ->
nt__11DisplayList -> __vptr__16NurbsTessellator [__1node -> work__6Dlnode .i]).f))))( (struct NurbsTessellator *)(((struct NurbsTessellator *)((((char *)__0this -> nt__11DisplayList ))+ (__0this -> nt__11DisplayList -> __vptr__16NurbsTessellator [__1node -> work__6Dlnode .i]).d))), __1node -> arg__6Dlnode )
;

}

}
}

void __glendList__11DisplayListFv (struct DisplayList *__0this )
{ 
((*__0this -> lastNode__11DisplayList ))= 0 ;
}



void __glappend__11DisplayListFM16N0 (struct DisplayList *__0this , PFVS __1work , void *__1arg , PFVS __1cleanup )
{ 
struct Dlnode *__1node ;

struct Dlnode *__0__X14 ;

void *__1__Xbuffer00eohgaiaa ;

struct __mptr __1__X15 ;

struct __mptr __1__X16 ;

__1node = ((__0__X14 = (struct Dlnode *)( (((void *)( (((void )0 )), ( (((struct Pool *)((struct Pool *)(& __0this -> dlnodePool__11DisplayList )))->
freelist__4Pool ?( ( (__1__Xbuffer00eohgaiaa = (((void *)((struct Pool *)((struct Pool *)(& __0this -> dlnodePool__11DisplayList )))-> freelist__4Pool ))), (((struct Pool *)((struct Pool *)(& __0this ->
dlnodePool__11DisplayList )))-> freelist__4Pool = ((struct Pool *)((struct Pool *)(& __0this -> dlnodePool__11DisplayList )))-> freelist__4Pool -> next__6Buffer )) , 0 ) :( ( ((!
((struct Pool *)((struct Pool *)(& __0this -> dlnodePool__11DisplayList )))-> nextfree__4Pool )?( __glgrow__4PoolFv ( ((struct Pool *)((struct Pool *)(& __0this -> dlnodePool__11DisplayList )))) , 0 )
:( 0 ) ), ( (((struct Pool *)((struct Pool *)(& __0this -> dlnodePool__11DisplayList )))-> nextfree__4Pool -= ((struct Pool *)((struct Pool *)(& __0this ->
dlnodePool__11DisplayList )))-> buffersize__4Pool ), ( (__1__Xbuffer00eohgaiaa = (((void *)(((struct Pool *)((struct Pool *)(& __0this -> dlnodePool__11DisplayList )))-> curblock__4Pool + ((struct Pool *)((struct Pool *)(&
__0this -> dlnodePool__11DisplayList )))-> nextfree__4Pool ))))) ) ) , 0 ) ), (((void *)__1__Xbuffer00eohgaiaa ))) ) ))) )?( (__1__X15 =
__1work ), ( (__1__X16 = __1cleanup ), ( (((struct Dlnode *)__0__X14 )-> work__6Dlnode = __1__X15 ), ( (((struct Dlnode *)__0__X14 )-> arg__6Dlnode = __1arg ),
( (((struct Dlnode *)__0__X14 )-> cleanup__6Dlnode = __1__X16 ), ((((struct Dlnode *)__0__X14 )))) ) ) ) ) :0 );
((*__0this -> lastNode__11DisplayList ))= __1node ;
__0this -> lastNode__11DisplayList = (& __1node -> next__6Dlnode );
}


/* the end */