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1 /**
2  * \file depth.h
3  * Depth buffer operations.
4  */
5 
6 /*
7  * Mesa 3-D graphics library
8  *
9  * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
10  *
11  * Permission is hereby granted, free of charge, to any person obtaining a
12  * copy of this software and associated documentation files (the "Software"),
13  * to deal in the Software without restriction, including without limitation
14  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15  * and/or sell copies of the Software, and to permit persons to whom the
16  * Software is furnished to do so, subject to the following conditions:
17  *
18  * The above copyright notice and this permission notice shall be included
19  * in all copies or substantial portions of the Software.
20  *
21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
24  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
25  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
26  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
27  * OTHER DEALINGS IN THE SOFTWARE.
28  */
29 
30 
31 #ifndef DEPTH_H
32 #define DEPTH_H
33 
34 
35 #include "glheader.h"
36 
37 struct gl_context;
38 
39 
40 extern void GLAPIENTRY
41 _mesa_ClearDepth( GLclampd depth );
42 
43 extern void GLAPIENTRY
44 _mesa_ClearDepthf( GLclampf depth );
45 
46 void GLAPIENTRY
47 _mesa_DepthFunc_no_error(GLenum func);
48 
49 extern void GLAPIENTRY
50 _mesa_DepthFunc(GLenum func);
51 
52 extern void GLAPIENTRY
53 _mesa_DepthMask( GLboolean flag );
54 
55 extern void GLAPIENTRY
56 _mesa_DepthBoundsEXT( GLclampd zmin, GLclampd zmax );
57 
58 extern void
59 _mesa_init_depth( struct gl_context * ctx );
60 
61 #endif
62