1848b8605Smrg/**
2848b8605Smrg * \file accum.h
3848b8605Smrg * Accumulation buffer operations.
4848b8605Smrg *
5848b8605Smrg * \if subset
6848b8605Smrg * (No-op)
7848b8605Smrg *
8848b8605Smrg * \endif
9848b8605Smrg */
10848b8605Smrg
11848b8605Smrg/*
12848b8605Smrg * Mesa 3-D graphics library
13848b8605Smrg *
14848b8605Smrg * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
15848b8605Smrg *
16848b8605Smrg * Permission is hereby granted, free of charge, to any person obtaining a
17848b8605Smrg * copy of this software and associated documentation files (the "Software"),
18848b8605Smrg * to deal in the Software without restriction, including without limitation
19848b8605Smrg * the rights to use, copy, modify, merge, publish, distribute, sublicense,
20848b8605Smrg * and/or sell copies of the Software, and to permit persons to whom the
21848b8605Smrg * Software is furnished to do so, subject to the following conditions:
22848b8605Smrg *
23848b8605Smrg * The above copyright notice and this permission notice shall be included
24848b8605Smrg * in all copies or substantial portions of the Software.
25848b8605Smrg *
26848b8605Smrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
27848b8605Smrg * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
28848b8605Smrg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
29848b8605Smrg * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
30848b8605Smrg * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
31848b8605Smrg * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
32848b8605Smrg * OTHER DEALINGS IN THE SOFTWARE.
33848b8605Smrg */
34848b8605Smrg
35848b8605Smrg
36848b8605Smrg
37848b8605Smrg#ifndef ACCUM_H
38848b8605Smrg#define ACCUM_H
39848b8605Smrg
40848b8605Smrg#include "main/glheader.h"
41848b8605Smrg
42848b8605Smrgstruct gl_context;
43848b8605Smrg
44848b8605Smrgextern void GLAPIENTRY
45848b8605Smrg_mesa_ClearAccum( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha );
46848b8605Smrgvoid GLAPIENTRY
47848b8605Smrg_mesa_Accum( GLenum op, GLfloat value );
48848b8605Smrg
49848b8605Smrgextern void
50848b8605Smrg_mesa_clear_accum_buffer(struct gl_context *ctx);
51848b8605Smrg
52848b8605Smrgextern void
53848b8605Smrg_mesa_init_accum( struct gl_context *ctx );
54848b8605Smrg
55848b8605Smrg#endif /* ACCUM_H */
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