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 *
14 * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
15 *
16 * Permission is hereby granted, free of charge, to any person obtaining a
17 * copy of this software and associated documentation files (the "Software"),
18 * to deal in the Software without restriction, including without limitation
19 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
20 * and/or sell copies of the Software, and to permit persons to whom the
21 * Software is furnished to do so, subject to the following conditions:
22 *
23 * The above copyright notice and this permission notice shall be included
24 * in all copies or substantial portions of the Software.
25 *
26 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
27 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
28 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
29 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
30 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
31 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
32 * OTHER DEALINGS IN THE SOFTWARE.
33 */
34
35
36
37#ifndef ACCUM_H
38#define ACCUM_H
39
40#include "main/glheader.h"
41
42struct _glapi_table;
43struct gl_context;
44struct gl_renderbuffer;
45
46extern void GLAPIENTRY
47_mesa_ClearAccum( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha );
48void GLAPIENTRY
49_mesa_Accum( GLenum op, GLfloat value );
50
51extern void
52_mesa_accum(struct gl_context *ctx, GLenum op, GLfloat value);
53
54extern void
55_mesa_clear_accum_buffer(struct gl_context *ctx);
56
57extern void
58_mesa_init_accum( struct gl_context *ctx );
59
60#endif /* ACCUM_H */
61