src/mesa/main/light.h

   1 /* $Id: light.h,v 1.1 1999/08/19 00:55:41 jtg Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.1
   6  *
   7  * Copyright (C) 1999  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27
  28
  29
  30
  31 #ifndef LIGHT_H
  32 #define LIGHT_H
  33
  34
  35 #include "types.h"
  36
  37 struct gl_shine_tab {
  38    struct gl_shine_tab *next, *prev;
  39    GLfloat tab[SHINE_TABLE_SIZE+1];
  40    GLfloat shininess;
  41    GLuint refcount;
  42 };
  43
  44
  45 extern void gl_ShadeModel( GLcontext *ctx, GLenum mode );
  46
  47 extern void gl_ColorMaterial( GLcontext *ctx, GLenum face, GLenum mode );
  48
  49 extern void gl_Lightfv( GLcontext *ctx,
  50                         GLenum light, GLenum pname, const GLfloat *params,
  51                         GLint nparams );
  52
  53 extern void gl_LightModelfv( GLcontext *ctx,
  54                              GLenum pname, const GLfloat *params );
  55
  56
  57 extern GLuint gl_material_bitmask( GLcontext *ctx,
  58                                    GLenum face, GLenum pname,
  59                                    GLuint legal,
  60                                    const char * );
  61
  62 extern void gl_set_material( GLcontext *ctx, GLuint bitmask,
  63                              const GLfloat *params);
  64
  65 extern void gl_Materialfv( GLcontext *ctx,
  66                            GLenum face, GLenum pname, const GLfloat *params );
  67
  68
  69
  70 extern void gl_GetLightfv( GLcontext *ctx,
  71                            GLenum light, GLenum pname, GLfloat *params );
  72
  73 extern void gl_GetLightiv( GLcontext *ctx,
  74                            GLenum light, GLenum pname, GLint *params );
  75
  76
  77 extern void gl_GetMaterialfv( GLcontext *ctx,
  78                               GLenum face, GLenum pname, GLfloat *params );
  79
  80 extern void gl_GetMaterialiv( GLcontext *ctx,
  81                               GLenum face, GLenum pname, GLint *params );
  82
  83
  84 extern void gl_compute_spot_exp_table( struct gl_light *l );
  85
  86 extern void gl_compute_shine_table( GLcontext *ctx, GLuint i,
  87                                     GLfloat shininess );
  88
  89 extern void gl_update_lighting( GLcontext *ctx );
  90
  91 extern void gl_compute_light_positions( GLcontext *ctx );
  92
  93 extern void gl_update_normal_transform( GLcontext *ctx );
  94
  95 extern void gl_update_material( GLcontext *ctx,
  96                                 struct gl_material *m,
  97                                 GLuint bitmask );
  98
  99 extern void gl_update_color_material( GLcontext *ctx, const GLubyte rgba[4] );
 100
 101
 102 #endif
 103