mirror of
https://github.com/reactos/reactos.git
synced 2024-10-30 11:35:58 +00:00
145 lines
4.7 KiB
C
145 lines
4.7 KiB
C
|
/*
|
||
|
* 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
|
||
|
* BRIAN PAUL 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"
|
||
|
#include "mfeatures.h"
|
||
|
|
||
|
struct gl_context;
|
||
|
struct gl_light;
|
||
|
struct gl_material;
|
||
|
|
||
|
extern void GLAPIENTRY
|
||
|
_mesa_ShadeModel( GLenum mode );
|
||
|
|
||
|
|
||
|
#if _HAVE_FULL_GL
|
||
|
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);
|
||
|
|
||
|
|
||
|
/* Lerp between adjacent values in the f(x) lookup table, giving a
|
||
|
* continuous function, with adequeate overall accuracy. (Though
|
||
|
* still pretty good compared to a straight lookup).
|
||
|
* Result should be a GLfloat.
|
||
|
*/
|
||
|
#define GET_SHINE_TAB_ENTRY( table, dp, result ) \
|
||
|
do { \
|
||
|
struct gl_shine_tab *_tab = table; \
|
||
|
float f = (dp * (SHINE_TABLE_SIZE-1)); \
|
||
|
int k = (int) f; \
|
||
|
if (k < 0 /* gcc may cast an overflow float value to negative int value*/ \
|
||
|
|| k > SHINE_TABLE_SIZE-2) \
|
||
|
result = (GLfloat) pow( dp, _tab->shininess ); \
|
||
|
else \
|
||
|
result = _tab->tab[k] + (f-k)*(_tab->tab[k+1]-_tab->tab[k]); \
|
||
|
} while (0)
|
||
|
|
||
|
|
||
|
extern GLuint _mesa_material_bitmask( struct gl_context *ctx,
|
||
|
GLenum face, GLenum pname,
|
||
|
GLuint legal,
|
||
|
const char * );
|
||
|
|
||
|
extern void _mesa_invalidate_spot_exp_table( struct gl_light *l );
|
||
|
|
||
|
extern void _mesa_invalidate_shine_table( struct gl_context *ctx, GLuint i );
|
||
|
|
||
|
extern void _mesa_validate_all_lighting_tables( struct gl_context *ctx );
|
||
|
|
||
|
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 );
|
||
|
|
||
|
#else
|
||
|
#define _mesa_update_color_material( c, r ) ((void)0)
|
||
|
#define _mesa_validate_all_lighting_tables( c ) ((void)0)
|
||
|
#define _mesa_invalidate_spot_exp_table( l ) ((void)0)
|
||
|
#define _mesa_material_bitmask( c, f, p, l, s ) 0
|
||
|
#define _mesa_init_lighting( c ) ((void)0)
|
||
|
#define _mesa_free_lighting_data( c ) ((void)0)
|
||
|
#define _mesa_update_lighting( c ) ((void)0)
|
||
|
#define _mesa_update_tnl_spaces( c, n ) ((void)0)
|
||
|
#define GET_SHINE_TAB_ENTRY( table, dp, result ) ((result)=0)
|
||
|
#endif
|
||
|
|
||
|
#endif
|