1/**
2 * \file blend.h
3 * Blending functions operations.
4 */
5
6/*
7 * Mesa 3-D graphics library
8 * Version:  6.5.2
9 *
10 * Copyright (C) 1999-2006  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
32#ifndef BLEND_H
33#define BLEND_H
34
35
36#include "glheader.h"
37
38struct gl_context;
39
40
41extern void GLAPIENTRY
42_mesa_BlendFunc( GLenum sfactor, GLenum dfactor );
43
44
45extern void GLAPIENTRY
46_mesa_BlendFuncSeparateEXT( GLenum sfactorRGB, GLenum dfactorRGB,
47                            GLenum sfactorA, GLenum dfactorA );
48
49
50extern void GLAPIENTRY
51_mesa_BlendFunci(GLuint buf, GLenum sfactor, GLenum dfactor);
52
53
54extern void GLAPIENTRY
55_mesa_BlendFuncSeparatei(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB,
56                         GLenum sfactorA, GLenum dfactorA);
57
58
59extern void GLAPIENTRY
60_mesa_BlendEquation( GLenum mode );
61
62
63extern void GLAPIENTRY
64_mesa_BlendEquationi(GLuint buf, GLenum mode);
65
66
67extern void GLAPIENTRY
68_mesa_BlendEquationSeparateEXT( GLenum modeRGB, GLenum modeA );
69
70
71extern void GLAPIENTRY
72_mesa_BlendEquationSeparatei(GLuint buf, GLenum modeRGB, GLenum modeA);
73
74
75extern void GLAPIENTRY
76_mesa_BlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
77
78
79extern void GLAPIENTRY
80_mesa_AlphaFunc( GLenum func, GLclampf ref );
81
82
83extern void GLAPIENTRY
84_mesa_LogicOp( GLenum opcode );
85
86
87extern void GLAPIENTRY
88_mesa_IndexMask( GLuint mask );
89
90extern void GLAPIENTRY
91_mesa_ColorMask( GLboolean red, GLboolean green,
92                 GLboolean blue, GLboolean alpha );
93
94extern void GLAPIENTRY
95_mesa_ColorMaskIndexed( GLuint buf, GLboolean red, GLboolean green,
96                        GLboolean blue, GLboolean alpha );
97
98
99extern void GLAPIENTRY
100_mesa_ClampColorARB(GLenum target, GLenum clamp);
101
102
103extern void
104_mesa_init_color( struct gl_context * ctx );
105
106#endif
107