patchlist.h

Mesa is an open-source implementation of the OpenGL specification - a system for rendering interacti

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/*
 * patchlist.h
 *
 * $Date: 2001/03/17 00:25:41 $ $Revision: 1.1 $
 * $Header: /home/krh/git/sync/mesa-cvs-repo/Mesa/src/glu/sgi/libnurbs/internals/patchlist.h,v 1.1 2001/03/17 00:25:41 brianp Exp $
 */

#ifndef __glupatchlist_h_
#define __glupatchlist_h_

#include "types.h"
#include "defines.h"
#include "patch.h"

class Quilt;

class Patchlist {
friend class Subdivider;
public:
    			Patchlist( Quilt *, REAL *, REAL * );
    			Patchlist( Patchlist &, int ,  REAL );
    			~Patchlist();	
    void		bbox();
    int			cullCheck( void );
    void		getstepsize( void );
    int			needsNonSamplingSubdivision( void );
    int			needsSamplingSubdivision( void );
    int			needsSubdivision( int );
    REAL		getStepsize( int );
    void                getRanges(REAL ranges[4]);

    int                 get_uorder();
    int                 get_vorder();
private:
    Patch		*patch;
    int			notInBbox;
    int			needsSampling;
    Pspec		pspec[2];
};

inline REAL
Patchlist::getStepsize( int param )
{
    return pspec[param].stepsize;
}

inline int
Patchlist::get_uorder()
{  
   return patch->get_uorder();

}

inline int
 Patchlist::get_vorder()
{ 
  return patch->get_vorder();
}





#endif /* __glupatchlist_h_ */