2 ** License Applicability. Except to the extent portions of this file are
3 ** made subject to an alternative license as permitted in the SGI Free
4 ** Software License B, Version 1.1 (the "License"), the contents of this
5 ** file are subject only to the provisions of the License. You may not use
6 ** this file except in compliance with the License. You may obtain a copy
7 ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
8 ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
10 ** http://oss.sgi.com/projects/FreeB
12 ** Note that, as provided in the License, the Software is distributed on an
13 ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
14 ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
15 ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
16 ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
18 ** Original Code. The Original Code is: OpenGL Sample Implementation,
19 ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
20 ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
21 ** Copyright in any portions created by third parties is as indicated
22 ** elsewhere herein. All Rights Reserved.
24 ** Additional Notice Provisions: The application programming interfaces
25 ** established by SGI in conjunction with the Original Code are The
26 ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
27 ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
28 ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
29 ** Window System(R) (Version 1.3), released October 19, 1998. This software
30 ** was created using the OpenGL(R) version 1.2.1 Sample Implementation
31 ** published by SGI, but has not been independently verified as being
32 ** compliant with the OpenGL(R) version 1.2.1 Specification.
40 #ifndef __glubasicsurfeval_h_
41 #define __glubasicsurfeval_h_
44 #include "displaymode.h"
45 #include "cachingeval.h"
47 class BasicSurfaceEvaluator
: public CachingEvaluator
{
49 virtual ~BasicSurfaceEvaluator() { /* silence warning*/ }
50 virtual void range2f( long, REAL
*, REAL
* );
51 virtual void domain2f( REAL
, REAL
, REAL
, REAL
);
53 virtual void enable( long );
54 virtual void disable( long );
55 virtual void bgnmap2f( long );
56 virtual void map2f( long, REAL
, REAL
, long, long,
57 REAL
, REAL
, long, long,
59 virtual void mapgrid2f( long, REAL
, REAL
, long, REAL
, REAL
);
60 virtual void mapmesh2f( long, long, long, long, long );
61 virtual void evalcoord2f( long, REAL
, REAL
);
62 virtual void evalpoint2i( long, long );
63 virtual void endmap2f( void );
65 virtual void polymode( long );
66 virtual void bgnline( void );
67 virtual void endline( void );
68 virtual void bgnclosedline( void );
69 virtual void endclosedline( void );
70 virtual void bgntmesh( void );
71 virtual void swaptmesh( void );
72 virtual void endtmesh( void );
73 virtual void bgnqstrip( void );
74 virtual void endqstrip( void );
76 virtual void bgntfan( void );
77 virtual void endtfan( void );
79 virtual void evalUStrip(int n_upper
, REAL v_upper
, REAL
* upper_val
,
80 int n_lower
, REAL v_lower
, REAL
* lower_val
83 virtual void evalVStrip(int n_left
, REAL u_left
, REAL
* left_val
,
84 int n_right
, REAL u_right
, REAL
* right_val
86 virtual void inDoEvalCoord2NOGE(REAL u
, REAL v
, REAL
* ret_point
, REAL
* ret_normal
) = 0;
87 virtual void inDoEvalCoord2NOGE_BU(REAL u
, REAL v
, REAL
* ret_point
, REAL
* ret_normal
) = 0;
88 virtual void inDoEvalCoord2NOGE_BV(REAL u
, REAL v
, REAL
* ret_point
, REAL
* ret_normal
) = 0;
89 virtual void inPreEvaluateBV_intfac(REAL v
) = 0;
90 virtual void inPreEvaluateBU_intfac(REAL u
) = 0;
94 #endif /* __glubasicsurfeval_h_ */