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/*
 * Mesa 3-D graphics library
 * Version:  7.5
 *
 * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
 * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */


#ifndef LIGHT_H
#define LIGHT_H


#include "glheader.h"

struct gl_context;
struct gl_light;
struct gl_material;

extern void GLAPIENTRY
_mesa_ShadeModel( GLenum mode );

extern void GLAPIENTRY
_mesa_ProvokingVertex(GLenum mode);


extern void GLAPIENTRY
_mesa_ColorMaterial( GLenum face, GLenum mode );

extern void GLAPIENTRY
_mesa_Lightf( GLenum light, GLenum pname, GLfloat param );

extern void GLAPIENTRY
_mesa_Lightfv( GLenum light, GLenum pname, const GLfloat *params );

extern void GLAPIENTRY
_mesa_Lightiv( GLenum light, GLenum pname, const GLint *params );

extern void GLAPIENTRY
_mesa_Lighti( GLenum light, GLenum pname, GLint param );

extern void GLAPIENTRY
_mesa_LightModelf( GLenum pname, GLfloat param );

extern void GLAPIENTRY
_mesa_LightModelfv( GLenum pname, const GLfloat *params );

extern void GLAPIENTRY
_mesa_LightModeli( GLenum pname, GLint param );

extern void GLAPIENTRY
_mesa_LightModeliv( GLenum pname, const GLint *params );

extern void GLAPIENTRY
_mesa_GetLightfv( GLenum light, GLenum pname, GLfloat *params );

extern void GLAPIENTRY
_mesa_GetLightiv( GLenum light, GLenum pname, GLint *params );

extern void GLAPIENTRY
_mesa_GetMaterialfv( GLenum face, GLenum pname, GLfloat *params );

extern void GLAPIENTRY
_mesa_GetMaterialiv( GLenum face, GLenum pname, GLint *params );


extern void
_mesa_light(struct gl_context *ctx, GLuint lnum, GLenum pname, const GLfloat *params);


extern GLuint _mesa_material_bitmask( struct gl_context *ctx,
                                      GLenum face, GLenum pname,
                                      GLuint legal,
                                      const char * );

extern void _mesa_update_lighting( struct gl_context *ctx );

extern void _mesa_update_tnl_spaces( struct gl_context *ctx, GLuint new_state );

extern void _mesa_update_material( struct gl_context *ctx,
                                   GLuint bitmask );

extern void _mesa_update_color_material( struct gl_context *ctx,
                                         const GLfloat rgba[4] );

extern void _mesa_init_lighting( struct gl_context *ctx );

extern void _mesa_free_lighting_data( struct gl_context *ctx );

extern void _mesa_allow_light_in_model( struct gl_context *ctx, GLboolean flag );

#endif