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1 
2 /*
3  * Mesa 3-D graphics library
4  *
5  * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a
8  * copy of this software and associated documentation files (the "Software"),
9  * to deal in the Software without restriction, including without limitation
10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11  * and/or sell copies of the Software, and to permit persons to whom the
12  * Software is furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included
15  * 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  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23  * OTHER DEALINGS IN THE SOFTWARE.
24  */
25 
26 
27 #ifndef S_TRIANGLES_H
28 #define S_TRIANGLES_H
29 
30 
31 #include "swrast.h"
32 
33 
34 extern GLboolean
35 _swrast_culltriangle( struct gl_context *ctx,
36                      const SWvertex *v0,
37                      const SWvertex *v1,
38                      const SWvertex *v2);
39 
40 extern void
41 _swrast_choose_triangle( struct gl_context *ctx );
42 
43 extern void
44 _swrast_add_spec_terms_triangle( struct gl_context *ctx,
45 				 const SWvertex *v0,
46 				 const SWvertex *v1,
47 				 const SWvertex *v2 );
48 
49 
50 #endif
51