2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 #include "mfeatures.h"
38 extern void GLAPIENTRY
39 _mesa_ShadeModel( GLenum mode
);
43 extern void GLAPIENTRY
44 _mesa_ColorMaterial( GLenum face
, GLenum mode
);
46 extern void GLAPIENTRY
47 _mesa_Lightf( GLenum light
, GLenum pname
, GLfloat param
);
49 extern void GLAPIENTRY
50 _mesa_Lightfv( GLenum light
, GLenum pname
, const GLfloat
*params
);
52 extern void GLAPIENTRY
53 _mesa_Lightiv( GLenum light
, GLenum pname
, const GLint
*params
);
55 extern void GLAPIENTRY
56 _mesa_Lighti( GLenum light
, GLenum pname
, GLint param
);
58 extern void GLAPIENTRY
59 _mesa_LightModelf( GLenum pname
, GLfloat param
);
61 extern void GLAPIENTRY
62 _mesa_LightModelfv( GLenum pname
, const GLfloat
*params
);
64 extern void GLAPIENTRY
65 _mesa_LightModeli( GLenum pname
, GLint param
);
67 extern void GLAPIENTRY
68 _mesa_LightModeliv( GLenum pname
, const GLint
*params
);
70 extern void GLAPIENTRY
71 _mesa_GetLightfv( GLenum light
, GLenum pname
, GLfloat
*params
);
73 extern void GLAPIENTRY
74 _mesa_GetLightiv( GLenum light
, GLenum pname
, GLint
*params
);
76 extern void GLAPIENTRY
77 _mesa_GetMaterialfv( GLenum face
, GLenum pname
, GLfloat
*params
);
79 extern void GLAPIENTRY
80 _mesa_GetMaterialiv( GLenum face
, GLenum pname
, GLint
*params
);
84 _mesa_light(struct gl_context
*ctx
, GLuint lnum
, GLenum pname
, const GLfloat
*params
);
87 /* Lerp between adjacent values in the f(x) lookup table, giving a
88 * continuous function, with adequeate overall accuracy. (Though
89 * still pretty good compared to a straight lookup).
90 * Result should be a GLfloat.
92 #define GET_SHINE_TAB_ENTRY( table, dp, result ) \
94 struct gl_shine_tab *_tab = table; \
95 float f = (dp * (SHINE_TABLE_SIZE-1)); \
97 if (k < 0 /* gcc may cast an overflow float value to negative int value*/ \
98 || k > SHINE_TABLE_SIZE-2) \
99 result = (GLfloat) pow( dp, _tab->shininess ); \
101 result = _tab->tab[k] + (f-k)*(_tab->tab[k+1]-_tab->tab[k]); \
105 extern GLuint
_mesa_material_bitmask( struct gl_context
*ctx
,
106 GLenum face
, GLenum pname
,
110 extern void _mesa_invalidate_spot_exp_table( struct gl_light
*l
);
112 extern void _mesa_invalidate_shine_table( struct gl_context
*ctx
, GLuint i
);
114 extern void _mesa_validate_all_lighting_tables( struct gl_context
*ctx
);
116 extern void _mesa_update_lighting( struct gl_context
*ctx
);
118 extern void _mesa_update_tnl_spaces( struct gl_context
*ctx
, GLuint new_state
);
120 extern void _mesa_update_material( struct gl_context
*ctx
,
123 extern void _mesa_update_color_material( struct gl_context
*ctx
,
124 const GLfloat rgba
[4] );
126 extern void _mesa_init_lighting( struct gl_context
*ctx
);
128 extern void _mesa_free_lighting_data( struct gl_context
*ctx
);
130 extern void _mesa_allow_light_in_model( struct gl_context
*ctx
, GLboolean flag
);
133 #define _mesa_update_color_material( c, r ) ((void)0)
134 #define _mesa_validate_all_lighting_tables( c ) ((void)0)
135 #define _mesa_invalidate_spot_exp_table( l ) ((void)0)
136 #define _mesa_material_bitmask( c, f, p, l, s ) 0
137 #define _mesa_init_lighting( c ) ((void)0)
138 #define _mesa_free_lighting_data( c ) ((void)0)
139 #define _mesa_update_lighting( c ) ((void)0)
140 #define _mesa_update_tnl_spaces( c, n ) ((void)0)
141 #define GET_SHINE_TAB_ENTRY( table, dp, result ) ((result)=0)