3 * Blending functions operations.
7 * Mesa 3-D graphics library
9 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
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:
18 * The above copyright notice and this permission notice shall be included
19 * in all copies or substantial portions of the Software.
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.
40 struct gl_framebuffer
;
43 extern void GLAPIENTRY
44 _mesa_BlendFunc( GLenum sfactor
, GLenum dfactor
);
47 extern void GLAPIENTRY
48 _mesa_BlendFuncSeparate( GLenum sfactorRGB
, GLenum dfactorRGB
,
49 GLenum sfactorA
, GLenum dfactorA
);
52 extern void GLAPIENTRY
53 _mesa_BlendFunciARB_no_error(GLuint buf
, GLenum sfactor
, GLenum dfactor
);
54 extern void GLAPIENTRY
55 _mesa_BlendFunciARB(GLuint buf
, GLenum sfactor
, GLenum dfactor
);
58 extern void GLAPIENTRY
59 _mesa_BlendFuncSeparateiARB_no_error(GLuint buf
, GLenum sfactorRGB
,
60 GLenum dfactorRGB
, GLenum sfactorA
,
62 extern void GLAPIENTRY
63 _mesa_BlendFuncSeparateiARB(GLuint buf
, GLenum sfactorRGB
, GLenum dfactorRGB
,
64 GLenum sfactorA
, GLenum dfactorA
);
67 extern void GLAPIENTRY
68 _mesa_BlendEquation( GLenum mode
);
71 extern void GLAPIENTRY
72 _mesa_BlendEquationiARB(GLuint buf
, GLenum mode
);
75 extern void GLAPIENTRY
76 _mesa_BlendEquationSeparate( GLenum modeRGB
, GLenum modeA
);
79 extern void GLAPIENTRY
80 _mesa_BlendEquationSeparateiARB_no_error(GLuint buf
, GLenum modeRGB
,
82 extern void GLAPIENTRY
83 _mesa_BlendEquationSeparateiARB(GLuint buf
, GLenum modeRGB
, GLenum modeA
);
86 extern void GLAPIENTRY
87 _mesa_BlendColor(GLclampf red
, GLclampf green
, GLclampf blue
, GLclampf alpha
);
90 extern void GLAPIENTRY
91 _mesa_AlphaFunc( GLenum func
, GLclampf ref
);
94 extern void GLAPIENTRY
95 _mesa_LogicOp( GLenum opcode
);
98 extern void GLAPIENTRY
99 _mesa_IndexMask( GLuint mask
);
101 extern void GLAPIENTRY
102 _mesa_ColorMask( GLboolean red
, GLboolean green
,
103 GLboolean blue
, GLboolean alpha
);
105 extern void GLAPIENTRY
106 _mesa_ColorMaski( GLuint buf
, GLboolean red
, GLboolean green
,
107 GLboolean blue
, GLboolean alpha
);
110 extern void GLAPIENTRY
111 _mesa_ClampColor(GLenum target
, GLenum clamp
);
114 _mesa_get_clamp_fragment_color(const struct gl_context
*ctx
,
115 const struct gl_framebuffer
*drawFb
);
118 _mesa_get_clamp_vertex_color(const struct gl_context
*ctx
,
119 const struct gl_framebuffer
*drawFb
);
122 _mesa_get_clamp_read_color(const struct gl_context
*ctx
,
123 const struct gl_framebuffer
*readFb
);
126 _mesa_update_clamp_fragment_color(struct gl_context
*ctx
,
127 const struct gl_framebuffer
*drawFb
);
130 _mesa_update_clamp_vertex_color(struct gl_context
*ctx
,
131 const struct gl_framebuffer
*drawFb
);
134 _mesa_get_render_format(const struct gl_context
*ctx
, mesa_format format
);
137 _mesa_init_color( struct gl_context
* ctx
);