1 /**
2  * \file extensions.h
3  * Extension handling.
4  *
5  * \if subset
6  * (No-op)
7  *
8  * \endif
9  */
10 
11 /*
12  * Mesa 3-D graphics library
13  * Version:  6.5.1
14  *
15  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
16  *
17  * Permission is hereby granted, free of charge, to any person obtaining a
18  * copy of this software and associated documentation files (the "Software"),
19  * to deal in the Software without restriction, including without limitation
20  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
21  * and/or sell copies of the Software, and to permit persons to whom the
22  * Software is furnished to do so, subject to the following conditions:
23  *
24  * The above copyright notice and this permission notice shall be included
25  * in all copies or substantial portions of the Software.
26  *
27  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
28  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
29  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
30  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
31  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33  */
34 
35 
36 #ifndef _EXTENSIONS_H_
37 #define _EXTENSIONS_H_
38 
39 #include "glheader.h"
40 #include "mfeatures.h"
41 
42 struct gl_context;
43 
44 #if _HAVE_FULL_GL
45 
46 extern void _mesa_enable_sw_extensions(struct gl_context *ctx);
47 
48 extern void _mesa_enable_1_3_extensions(struct gl_context *ctx);
49 
50 extern void _mesa_enable_1_4_extensions(struct gl_context *ctx);
51 
52 extern void _mesa_enable_1_5_extensions(struct gl_context *ctx);
53 
54 extern void _mesa_enable_2_0_extensions(struct gl_context *ctx);
55 
56 extern void _mesa_enable_2_1_extensions(struct gl_context *ctx);
57 
58 extern void _mesa_enable_extension(struct gl_context *ctx, const char *name);
59 
60 extern void _mesa_disable_extension(struct gl_context *ctx, const char *name);
61 
62 extern GLboolean _mesa_extension_is_enabled(struct gl_context *ctx, const char *name);
63 
64 extern void _mesa_init_extensions(struct gl_context *ctx);
65 
66 extern GLubyte *_mesa_make_extension_string(struct gl_context *ctx);
67 
68 extern GLuint
69 _mesa_get_extension_count(struct gl_context *ctx);
70 
71 extern const GLubyte *
72 _mesa_get_enabled_extension(struct gl_context *ctx, GLuint index);
73 
74 
75 #else
76 
77 /** No-op */
78 #define _mesa_extensions_dtr( ctx ) ((void)0)
79 
80 /** No-op */
81 #define _mesa_extensions_ctr( ctx ) ((void)0)
82 
83 /** No-op */
84 #define _mesa_extensions_get_string( ctx ) "GL_EXT_texture_object"
85 
86 /** No-op */
87 #define _mesa_enable_extension( c, n ) ((void)0)
88 
89 #endif
90 
91 #endif
92