1/**
2 * \file depth.h
3 * Depth buffer operations.
4 */
5
6/*
7 * Mesa 3-D graphics library
8 * Version:  6.3
9 *
10 * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice shall be included
20 * in all copies or substantial portions of the Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
25 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
26 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
27 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 */
29
30
31#ifndef DEPTH_H
32#define DEPTH_H
33
34
35#include "glheader.h"
36#include "mfeatures.h"
37
38struct gl_context;
39
40
41#if _HAVE_FULL_GL
42
43extern void GLAPIENTRY
44_mesa_ClearDepth( GLclampd depth );
45
46extern void GLAPIENTRY
47_mesa_ClearDepthf( GLclampf depth );
48
49extern void GLAPIENTRY
50_mesa_DepthFunc( GLenum func );
51
52extern void GLAPIENTRY
53_mesa_DepthMask( GLboolean flag );
54
55extern void GLAPIENTRY
56_mesa_DepthBoundsEXT( GLclampd zmin, GLclampd zmax );
57
58extern void
59_mesa_init_depth( struct gl_context * ctx );
60
61#else
62
63/** No-op */
64#define _mesa_init_depth( c ) ((void)0)
65
66#endif
67
68#endif
69