Merge branch 'lp-offset-twoside'
[mesa.git] / src / mesa / main / blend.h
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
38 struct gl_context;
39
40
41 extern void GLAPIENTRY
42 _mesa_BlendFunc( GLenum sfactor, GLenum dfactor );
43
44
45 extern void GLAPIENTRY
46 _mesa_BlendFuncSeparateEXT( GLenum sfactorRGB, GLenum dfactorRGB,
47 GLenum sfactorA, GLenum dfactorA );
48
49
50 extern void GLAPIENTRY
51 _mesa_BlendEquation( GLenum mode );
52
53
54 extern void GLAPIENTRY
55 _mesa_BlendEquationSeparateEXT( GLenum modeRGB, GLenum modeA );
56
57
58 extern void GLAPIENTRY
59 _mesa_BlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
60
61
62 extern void GLAPIENTRY
63 _mesa_AlphaFunc( GLenum func, GLclampf ref );
64
65
66 extern void GLAPIENTRY
67 _mesa_LogicOp( GLenum opcode );
68
69
70 extern void GLAPIENTRY
71 _mesa_IndexMask( GLuint mask );
72
73 extern void GLAPIENTRY
74 _mesa_ColorMask( GLboolean red, GLboolean green,
75 GLboolean blue, GLboolean alpha );
76
77 extern void GLAPIENTRY
78 _mesa_ColorMaskIndexed( GLuint buf, GLboolean red, GLboolean green,
79 GLboolean blue, GLboolean alpha );
80
81
82 extern void GLAPIENTRY
83 _mesa_ClampColorARB(GLenum target, GLenum clamp);
84
85
86 extern void
87 _mesa_init_color( struct gl_context * ctx );
88
89 #endif