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_BlendFunci(GLuint buf, GLenum sfactor, GLenum dfactor);
52 
53 
54 extern void GLAPIENTRY
55 _mesa_BlendFuncSeparatei(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB,
56                          GLenum sfactorA, GLenum dfactorA);
57 
58 
59 extern void GLAPIENTRY
60 _mesa_BlendEquation( GLenum mode );
61 
62 
63 extern void GLAPIENTRY
64 _mesa_BlendEquationi(GLuint buf, GLenum mode);
65 
66 
67 extern void GLAPIENTRY
68 _mesa_BlendEquationSeparateEXT( GLenum modeRGB, GLenum modeA );
69 
70 
71 extern void GLAPIENTRY
72 _mesa_BlendEquationSeparatei(GLuint buf, GLenum modeRGB, GLenum modeA);
73 
74 
75 extern void GLAPIENTRY
76 _mesa_BlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
77 
78 
79 extern void GLAPIENTRY
80 _mesa_AlphaFunc( GLenum func, GLclampf ref );
81 
82 
83 extern void GLAPIENTRY
84 _mesa_LogicOp( GLenum opcode );
85 
86 
87 extern void GLAPIENTRY
88 _mesa_IndexMask( GLuint mask );
89 
90 extern void GLAPIENTRY
91 _mesa_ColorMask( GLboolean red, GLboolean green,
92                  GLboolean blue, GLboolean alpha );
93 
94 extern void GLAPIENTRY
95 _mesa_ColorMaskIndexed( GLuint buf, GLboolean red, GLboolean green,
96                         GLboolean blue, GLboolean alpha );
97 
98 
99 extern void GLAPIENTRY
100 _mesa_ClampColorARB(GLenum target, GLenum clamp);
101 
102 
103 extern void
104 _mesa_init_color( struct gl_context * ctx );
105 
106 #endif
107