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1 /*
2  * Mesa 3-D graphics library
3  *
4  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
5  * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
6  *
7  * Permission is hereby granted, free of charge, to any person obtaining a
8  * copy of this software and associated documentation files (the "Software"),
9  * to deal in the Software without restriction, including without limitation
10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11  * and/or sell copies of the Software, and to permit persons to whom the
12  * Software is furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included
15  * in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23  * OTHER DEALINGS IN THE SOFTWARE.
24  */
25 
26 
27 #ifndef LIGHT_H
28 #define LIGHT_H
29 
30 
31 #include <stdbool.h>
32 #include "glheader.h"
33 
34 struct gl_context;
35 struct gl_light;
36 struct gl_material;
37 
38 extern GLuint _mesa_material_bitmask( struct gl_context *ctx,
39                                       GLenum face, GLenum pname,
40                                       GLuint legal,
41                                       const char * );
42 
43 extern GLbitfield _mesa_update_lighting( struct gl_context *ctx );
44 extern void _mesa_update_light_materials(struct gl_context *ctx);
45 extern bool _mesa_update_tnl_spaces( struct gl_context *ctx, GLuint new_state );
46 
47 extern void _mesa_update_material( struct gl_context *ctx,
48                                    GLuint bitmask );
49 
50 extern void _mesa_update_color_material( struct gl_context *ctx,
51                                          const GLfloat rgba[4] );
52 
53 extern void _mesa_init_lighting( struct gl_context *ctx );
54 
55 #endif
56