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  1.  
  2. /*
  3.  * Mesa 3-D graphics library
  4.  * Version:  5.1
  5.  *
  6.  * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
  7.  *
  8.  * Permission is hereby granted, free of charge, to any person obtaining a
  9.  * copy of this software and associated documentation files (the "Software"),
  10.  * to deal in the Software without restriction, including without limitation
  11.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12.  * and/or sell copies of the Software, and to permit persons to whom the
  13.  * Software is furnished to do so, subject to the following conditions:
  14.  *
  15.  * The above copyright notice and this permission notice shall be included
  16.  * in all copies or substantial portions of the Software.
  17.  *
  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21.  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22.  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23.  * CONNECTION WITH THE SOFTWARE OR THE USE OR 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.