1 /* $Id: fog.h,v 1.4 2000/04/05 22:08:54 brianp Exp $ */
4 * Mesa 3-D graphics library
7 * Copyright (C) 1999-2000 Brian Paul All Rights Reserved.
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
16 * The above copyright notice and this permission notice shall be included
17 * in all copies or substantial portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
23 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35 extern struct gl_pipeline_stage gl_fog_coord_stage
;
39 _mesa_Fogf(GLenum pname
, GLfloat param
);
43 _mesa_Fogi(GLenum pname
, GLint param
);
47 _mesa_Fogfv(GLenum pname
, const GLfloat
*params
);
51 _mesa_Fogiv(GLenum pname
, const GLint
*params
);
56 _mesa_fog_vertices( struct vertex_buffer
*VB
);
59 _mesa_fog_rgba_pixels( const GLcontext
*ctx
,
60 GLuint n
, const GLdepth z
[],
64 _mesa_fog_ci_pixels( const GLcontext
*ctx
,
65 GLuint n
, const GLdepth z
[], GLuint indx
[] );
69 _mesa_init_fog( void );