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