413 static void CallCombine( GLUtesselator *tess, GLUvertex *isect,  in CallCombine()  argument
419   coords[0] = isect->coords[0];  in CallCombine()
420   coords[1] = isect->coords[1];  in CallCombine()
421   coords[2] = isect->coords[2];  in CallCombine()
423   isect->data = NULL;  in CallCombine()
424   CALL_COMBINE_OR_COMBINE_DATA( coords, data, weights, &isect->data );  in CallCombine()
425   if( isect->data == NULL ) {  in CallCombine()
427       isect->data = data[0];  in CallCombine()
455 static void VertexWeights( GLUvertex *isect, GLUvertex *org, GLUvertex *dst,  in VertexWeights()  argument
465   GLdouble t1 = VertL1dist( org, isect );  in VertexWeights()
466   GLdouble t2 = VertL1dist( dst, isect );  in VertexWeights()
470   isect->coords[0] += weights[0]*org->coords[0] + weights[1]*dst->coords[0];  in VertexWeights()
471   isect->coords[1] += weights[0]*org->coords[1] + weights[1]*dst->coords[1];  in VertexWeights()
472   isect->coords[2] += weights[0]*org->coords[2] + weights[1]*dst->coords[2];  in VertexWeights()
476 static void GetIntersectData( GLUtesselator *tess, GLUvertex *isect,  in GetIntersectData()  argument
493   isect->coords[0] = isect->coords[1] = isect->coords[2] = 0;  in GetIntersectData()
494   VertexWeights( isect, orgUp, dstUp, &weights[0] );  in GetIntersectData()
495   VertexWeights( isect, orgLo, dstLo, &weights[2] );  in GetIntersectData()
497   CallCombine( tess, isect, data, weights, TRUE );  in GetIntersectData()
626   GLUvertex isect, *orgMin;  in CheckForIntersect()  local
650   __gl_edgeIntersect( dstUp, orgUp, dstLo, orgLo, &isect );  in CheckForIntersect()
652   assert( MIN( orgUp->t, dstUp->t ) <= isect.t );  in CheckForIntersect()
653   assert( isect.t <= MAX( orgLo->t, dstLo->t ));  in CheckForIntersect()
654   assert( MIN( dstLo->s, dstUp->s ) <= isect.s );  in CheckForIntersect()
655   assert( isect.s <= MAX( orgLo->s, orgUp->s ));  in CheckForIntersect()
657   if( VertLeq( &isect, tess->event )) {  in CheckForIntersect()
664     isect.s = tess->event->s;  in CheckForIntersect()
665     isect.t = tess->event->t;  in CheckForIntersect()
674   if( VertLeq( orgMin, &isect )) {  in CheckForIntersect()
675     isect.s = orgMin->s;  in CheckForIntersect()
676     isect.t = orgMin->t;  in CheckForIntersect()
679   if( VertEq( &isect, orgUp ) || VertEq( &isect, orgLo )) {  in CheckForIntersect()
686 	  && EdgeSign( dstUp, tess->event, &isect ) >= 0)  in CheckForIntersect()
688 	  && EdgeSign( dstLo, tess->event, &isect ) <= 0 ))  in CheckForIntersect()
721     if( EdgeSign( dstUp, tess->event, &isect ) >= 0 ) {  in CheckForIntersect()
727     if( EdgeSign( dstLo, tess->event, &isect ) <= 0 ) {  in CheckForIntersect()
748   eUp->Org->s = isect.s;  in CheckForIntersect()
749   eUp->Org->t = isect.t;  in CheckForIntersect()