1 /**
2  * \file stencil.h
3  * Stencil operations.
4  */
5 
6 /*
7  * Mesa 3-D graphics library
8  * Version:  7.1
9  *
10  * Copyright (C) 1999-2007  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 #ifndef STENCIL_H
32 #define STENCIL_H
33 
34 
35 #include "glheader.h"
36 
37 struct gl_context;
38 
39 extern void GLAPIENTRY
40 _mesa_ClearStencil( GLint s );
41 
42 
43 extern void GLAPIENTRY
44 _mesa_StencilFunc( GLenum func, GLint ref, GLuint mask );
45 
46 
47 extern void GLAPIENTRY
48 _mesa_StencilMask( GLuint mask );
49 
50 
51 extern void GLAPIENTRY
52 _mesa_StencilOp( GLenum fail, GLenum zfail, GLenum zpass );
53 
54 
55 extern void GLAPIENTRY
56 _mesa_ActiveStencilFaceEXT(GLenum face);
57 
58 
59 extern void GLAPIENTRY
60 _mesa_StencilOpSeparate(GLenum face, GLenum fail, GLenum zfail, GLenum zpass);
61 
62 
63 extern void GLAPIENTRY
64 _mesa_StencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask);
65 
66 
67 extern void GLAPIENTRY
68 _mesa_StencilFuncSeparateATI(GLenum frontfunc, GLenum backfunc, GLint ref, GLuint mask);
69 
70 extern void GLAPIENTRY
71 _mesa_StencilMaskSeparate(GLenum face, GLuint mask);
72 
73 
74 extern void
75 _mesa_update_stencil(struct gl_context *ctx);
76 
77 
78 extern void
79 _mesa_init_stencil( struct gl_context * ctx );
80 
81 #endif
82