glsl: lower mediump temporaries to 16 bits except structures (v2)
[mesa.git] / src / mesa / main / light.h
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 "glheader.h"
32
33 struct gl_context;
34 struct gl_light;
35 struct gl_material;
36
37 extern void GLAPIENTRY
38 _mesa_ShadeModel( GLenum mode );
39
40 extern void GLAPIENTRY
41 _mesa_ProvokingVertex(GLenum mode);
42
43
44 extern void GLAPIENTRY
45 _mesa_ColorMaterial( GLenum face, GLenum mode );
46
47 extern void GLAPIENTRY
48 _mesa_Lightf( GLenum light, GLenum pname, GLfloat param );
49
50 extern void GLAPIENTRY
51 _mesa_Lightfv( GLenum light, GLenum pname, const GLfloat *params );
52
53 extern void GLAPIENTRY
54 _mesa_Lightiv( GLenum light, GLenum pname, const GLint *params );
55
56 extern void GLAPIENTRY
57 _mesa_Lighti( GLenum light, GLenum pname, GLint param );
58
59 extern void GLAPIENTRY
60 _mesa_LightModelf( GLenum pname, GLfloat param );
61
62 extern void GLAPIENTRY
63 _mesa_LightModelfv( GLenum pname, const GLfloat *params );
64
65 extern void GLAPIENTRY
66 _mesa_LightModeli( GLenum pname, GLint param );
67
68 extern void GLAPIENTRY
69 _mesa_LightModeliv( GLenum pname, const GLint *params );
70
71 extern void GLAPIENTRY
72 _mesa_GetLightfv( GLenum light, GLenum pname, GLfloat *params );
73
74 extern void GLAPIENTRY
75 _mesa_GetLightiv( GLenum light, GLenum pname, GLint *params );
76
77 extern void GLAPIENTRY
78 _mesa_GetMaterialfv( GLenum face, GLenum pname, GLfloat *params );
79
80 extern void GLAPIENTRY
81 _mesa_GetMaterialiv( GLenum face, GLenum pname, GLint *params );
82
83
84 extern void
85 _mesa_light(struct gl_context *ctx, GLuint lnum, GLenum pname, const GLfloat *params);
86
87
88 extern GLuint _mesa_material_bitmask( struct gl_context *ctx,
89 GLenum face, GLenum pname,
90 GLuint legal,
91 const char * );
92
93 extern void _mesa_update_lighting( struct gl_context *ctx );
94
95 extern void _mesa_update_tnl_spaces( struct gl_context *ctx, GLuint new_state );
96
97 extern void _mesa_update_material( struct gl_context *ctx,
98 GLuint bitmask );
99
100 extern void _mesa_update_color_material( struct gl_context *ctx,
101 const GLfloat rgba[4] );
102
103 extern void _mesa_init_lighting( struct gl_context *ctx );
104
105 extern void _mesa_allow_light_in_model( struct gl_context *ctx, GLboolean flag );
106
107 #endif