accum.h revision 4a49301e 
1/**
2 * \file accum.h
3 * Accumulation buffer operations.
4 *
5 * \if subset
6 * (No-op)
7 *
8 * \endif
9 */
10
11/*
12 * Mesa 3-D graphics library
13 * Version:  3.5
14 *
15 * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
16 *
17 * Permission is hereby granted, free of charge, to any person obtaining a
18 * copy of this software and associated documentation files (the "Software"),
19 * to deal in the Software without restriction, including without limitation
20 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
21 * and/or sell copies of the Software, and to permit persons to whom the
22 * Software is furnished to do so, subject to the following conditions:
23 *
24 * The above copyright notice and this permission notice shall be included
25 * in all copies or substantial portions of the Software.
26 *
27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
28 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
29 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
30 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
31 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 */
34
35
36
37#ifndef ACCUM_H
38#define ACCUM_H
39
40
41#include "main/mtypes.h"
42
43#if FEATURE_accum
44
45#define _MESA_INIT_ACCUM_FUNCTIONS(driver, impl) \
46   do {                                          \
47      (driver)->Accum = impl ## Accum;           \
48   } while (0)
49
50extern void GLAPIENTRY
51_mesa_ClearAccum( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha );
52
53extern void
54_mesa_init_accum_dispatch(struct _glapi_table *disp);
55
56#else /* FEATURE_accum */
57
58#define _MESA_INIT_ACCUM_FUNCTIONS(driver, impl) do { } while (0)
59
60static INLINE void
61_mesa_ClearAccum( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha )
62{
63   /* this is used in _mesa_PopAttrib */
64   ASSERT_NO_FEATURE();
65}
66
67static INLINE void
68_mesa_init_accum_dispatch(struct _glapi_table *disp)
69{
70}
71
72#endif /* FEATURE_accum */
73
74extern void
75_mesa_init_accum( GLcontext *ctx );
76
77#endif /* ACCUM_H */
78