radeon_fog.h revision 94556f359450acebe87d6c9b4f4fd8ccf78589d8 
1/**************************************************************************
2
3Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
4                     Tungsten Graphics Inc., Austin, Texas.
5
6All Rights Reserved.
7
8Permission is hereby granted, free of charge, to any person obtaining
9a copy of this software and associated documentation files (the
10"Software"), to deal in the Software without restriction, including
11without limitation the rights to use, copy, modify, merge, publish,
12distribute, sublicense, and/or sell copies of the Software, and to
13permit persons to whom the Software is furnished to do so, subject to
14the following conditions:
15
16The above copyright notice and this permission notice (including the
17next paragraph) shall be included in all copies or substantial
18portions of the Software.
19
20THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
24LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27
28**************************************************************************/
29
30/*
31 * Authors:
32 *   Keith Whitwell <keith@tungstengraphics.com>
33 */
34
35#ifndef RADEON_FOG_H
36#define RADEON_FOG_H
37
38void
39radeonInitStaticFogData( void );
40
41float
42radeonComputeFogBlendFactor( struct gl_context *ctx, GLfloat fogcoord );
43
44#endif
45