blend.h revision 848b8605 
1/**
2 * \file blend.h
3 * Blending functions operations.
4 */
5
6/*
7 * Mesa 3-D graphics library
8 *
9 * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice shall be included
19 * in all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
24 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
25 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
26 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
27 * OTHER DEALINGS IN THE SOFTWARE.
28 */
29
30
31
32#ifndef BLEND_H
33#define BLEND_H
34
35
36#include "glheader.h"
37#include "formats.h"
38
39struct gl_context;
40
41
42extern void GLAPIENTRY
43_mesa_BlendFunc( GLenum sfactor, GLenum dfactor );
44
45
46extern void GLAPIENTRY
47_mesa_BlendFuncSeparate( GLenum sfactorRGB, GLenum dfactorRGB,
48                            GLenum sfactorA, GLenum dfactorA );
49
50
51extern void GLAPIENTRY
52_mesa_BlendFunciARB(GLuint buf, GLenum sfactor, GLenum dfactor);
53
54
55extern void GLAPIENTRY
56_mesa_BlendFuncSeparateiARB(GLuint buf, GLenum sfactorRGB, GLenum dfactorRGB,
57                         GLenum sfactorA, GLenum dfactorA);
58
59
60extern void GLAPIENTRY
61_mesa_BlendEquation( GLenum mode );
62
63
64extern void GLAPIENTRY
65_mesa_BlendEquationiARB(GLuint buf, GLenum mode);
66
67
68extern void GLAPIENTRY
69_mesa_BlendEquationSeparate( GLenum modeRGB, GLenum modeA );
70
71
72extern void GLAPIENTRY
73_mesa_BlendEquationSeparateiARB(GLuint buf, GLenum modeRGB, GLenum modeA);
74
75
76extern void GLAPIENTRY
77_mesa_BlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
78
79
80extern void GLAPIENTRY
81_mesa_AlphaFunc( GLenum func, GLclampf ref );
82
83
84extern void GLAPIENTRY
85_mesa_LogicOp( GLenum opcode );
86
87
88extern void GLAPIENTRY
89_mesa_IndexMask( GLuint mask );
90
91extern void GLAPIENTRY
92_mesa_ColorMask( GLboolean red, GLboolean green,
93                 GLboolean blue, GLboolean alpha );
94
95extern void GLAPIENTRY
96_mesa_ColorMaski( GLuint buf, GLboolean red, GLboolean green,
97                        GLboolean blue, GLboolean alpha );
98
99
100extern void GLAPIENTRY
101_mesa_ClampColor(GLenum target, GLenum clamp);
102
103extern GLboolean
104_mesa_get_clamp_fragment_color(const struct gl_context *ctx);
105
106extern GLboolean
107_mesa_get_clamp_vertex_color(const struct gl_context *ctx);
108
109extern GLboolean
110_mesa_get_clamp_read_color(const struct gl_context *ctx);
111
112extern void
113_mesa_update_clamp_fragment_color(struct gl_context *ctx);
114
115extern void
116_mesa_update_clamp_vertex_color(struct gl_context *ctx);
117
118extern mesa_format
119_mesa_get_render_format(const struct gl_context *ctx, mesa_format format);
120
121extern void
122_mesa_init_color( struct gl_context * ctx );
123
124#endif
125