| 1 | /* $Id: light.h,v 1.1 2000-02-29 00:48:32 sandervl Exp $ */ | 
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| 2 |  | 
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| 3 | /* | 
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| 4 | * Mesa 3-D graphics library | 
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| 5 | * Version:  3.1 | 
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| 6 | * | 
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| 7 | * Copyright (C) 1999  Brian Paul   All Rights Reserved. | 
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| 8 | * | 
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| 9 | * Permission is hereby granted, free of charge, to any person obtaining a | 
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| 10 | * copy of this software and associated documentation files (the "Software"), | 
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| 11 | * to deal in the Software without restriction, including without limitation | 
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| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | 
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| 13 | * and/or sell copies of the Software, and to permit persons to whom the | 
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| 14 | * Software is furnished to do so, subject to the following conditions: | 
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| 15 | * | 
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| 16 | * The above copyright notice and this permission notice shall be included | 
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| 17 | * in all copies or substantial portions of the Software. | 
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| 18 | * | 
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| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | 
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| 20 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | 
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| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL | 
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| 22 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | 
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| 23 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | 
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| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | 
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| 25 | */ | 
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| 26 |  | 
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| 27 |  | 
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| 28 |  | 
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| 29 |  | 
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| 30 |  | 
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| 31 | #ifndef LIGHT_H | 
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| 32 | #define LIGHT_H | 
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| 33 |  | 
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| 34 |  | 
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| 35 | #include "types.h" | 
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| 36 |  | 
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| 37 | struct gl_shine_tab { | 
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| 38 | struct gl_shine_tab *next, *prev; | 
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| 39 | GLfloat tab[SHINE_TABLE_SIZE+1]; | 
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| 40 | GLfloat shininess; | 
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| 41 | GLuint refcount; | 
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| 42 | }; | 
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| 43 |  | 
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| 44 |  | 
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| 45 | extern void gl_ShadeModel( GLcontext *ctx, GLenum mode ); | 
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| 46 |  | 
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| 47 | extern void gl_ColorMaterial( GLcontext *ctx, GLenum face, GLenum mode ); | 
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| 48 |  | 
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| 49 | extern void gl_Lightfv( GLcontext *ctx, | 
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| 50 | GLenum light, GLenum pname, const GLfloat *params, | 
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| 51 | GLint nparams ); | 
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| 52 |  | 
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| 53 | extern void gl_LightModelfv( GLcontext *ctx, | 
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| 54 | GLenum pname, const GLfloat *params ); | 
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| 55 |  | 
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| 56 |  | 
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| 57 | extern GLuint gl_material_bitmask( GLcontext *ctx, | 
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| 58 | GLenum face, GLenum pname, | 
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| 59 | GLuint legal, | 
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| 60 | const char * ); | 
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| 61 |  | 
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| 62 | extern void gl_set_material( GLcontext *ctx, GLuint bitmask, | 
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| 63 | const GLfloat *params); | 
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| 64 |  | 
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| 65 | extern void gl_Materialfv( GLcontext *ctx, | 
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| 66 | GLenum face, GLenum pname, const GLfloat *params ); | 
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| 67 |  | 
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| 68 |  | 
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| 69 |  | 
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| 70 | extern void gl_GetLightfv( GLcontext *ctx, | 
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| 71 | GLenum light, GLenum pname, GLfloat *params ); | 
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| 72 |  | 
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| 73 | extern void gl_GetLightiv( GLcontext *ctx, | 
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| 74 | GLenum light, GLenum pname, GLint *params ); | 
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| 75 |  | 
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| 76 |  | 
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| 77 | extern void gl_GetMaterialfv( GLcontext *ctx, | 
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| 78 | GLenum face, GLenum pname, GLfloat *params ); | 
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| 79 |  | 
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| 80 | extern void gl_GetMaterialiv( GLcontext *ctx, | 
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| 81 | GLenum face, GLenum pname, GLint *params ); | 
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| 82 |  | 
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| 83 |  | 
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| 84 | extern void gl_compute_spot_exp_table( struct gl_light *l ); | 
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| 85 |  | 
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| 86 | extern void gl_compute_shine_table( GLcontext *ctx, GLuint i, | 
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| 87 | GLfloat shininess ); | 
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| 88 |  | 
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| 89 | extern void gl_update_lighting( GLcontext *ctx ); | 
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| 90 |  | 
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| 91 | extern void gl_compute_light_positions( GLcontext *ctx ); | 
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| 92 |  | 
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| 93 | extern void gl_update_normal_transform( GLcontext *ctx ); | 
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| 94 |  | 
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| 95 | extern void gl_update_material( GLcontext *ctx, | 
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| 96 | struct gl_material *m, | 
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| 97 | GLuint bitmask ); | 
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| 98 |  | 
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| 99 | extern void gl_update_color_material( GLcontext *ctx, const GLubyte rgba[4] ); | 
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| 100 |  | 
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| 101 |  | 
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| 102 | #endif | 
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| 103 |  | 
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