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      1 /*
      2  * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
      3  * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
      4  *
      5  * Permission is hereby granted, free of charge, to any person obtaining a
      6  * copy of this software and associated documentation files (the "Software"),
      7  * to deal in the Software without restriction, including without limitation
      8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      9  * and/or sell copies of the Software, and to permit persons to whom the
     10  * Software is furnished to do so, subject to the following conditions:
     11  *
     12  * The above copyright notice including the dates of first publication and
     13  * either this permission notice or a reference to
     14  * http://oss.sgi.com/projects/FreeB/
     15  * shall be included in all copies or substantial portions of the Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     20  * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
     22  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     23  * SOFTWARE.
     24  *
     25  * Except as contained in this notice, the name of Silicon Graphics, Inc.
     26  * shall not be used in advertising or otherwise to promote the sale, use or
     27  * other dealings in this Software without prior written authorization from
     28  * Silicon Graphics, Inc.
     29  */
     30 
     31 /*
     32  * patchlist.h
     33  *
     34  */
     35 
     36 #ifndef __glupatchlist_h_
     37 #define __glupatchlist_h_
     38 
     39 #include "types.h"
     40 #include "defines.h"
     41 #include "patch.h"
     42 
     43 class Quilt;
     44 
     45 class Patchlist {
     46 friend class Subdivider;
     47 public:
     48     			Patchlist( Quilt *, REAL *, REAL * );
     49     			Patchlist( Patchlist &, int ,  REAL );
     50     			~Patchlist();
     51     void		bbox();
     52     int			cullCheck( void );
     53     void		getstepsize( void );
     54     int			needsNonSamplingSubdivision( void );
     55     int			needsSamplingSubdivision( void );
     56     int			needsSubdivision( int );
     57     REAL		getStepsize( int );
     58     void                getRanges(REAL ranges[4]);
     59 
     60     int                 get_uorder();
     61     int                 get_vorder();
     62 private:
     63     Patch		*patch;
     64     int			notInBbox;
     65     int			needsSampling;
     66     Pspec		pspec[2];
     67 };
     68 
     69 inline REAL
     70 Patchlist::getStepsize( int param )
     71 {
     72     return pspec[param].stepsize;
     73 }
     74 
     75 inline int
     76 Patchlist::get_uorder()
     77 {
     78    return patch->get_uorder();
     79 
     80 }
     81 
     82 inline int
     83  Patchlist::get_vorder()
     84 {
     85   return patch->get_vorder();
     86 }
     87 
     88 
     89 
     90 
     91 
     92 #endif /* __glupatchlist_h_ */
     93