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