X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Flight.h;h=b97e17b5be4e5f55ad4babd3bd71b124ed47c456;hb=cb3a9f984de6b1a167c60c345d51d55b8c0ca80b;hp=63c40f879759d65b0c5cf9b55bc2fbf8bfd1b463;hpb=367d308b8267ad86cd7623590b7bfd4737b5fbf5;p=mesa.git diff --git a/src/mesa/main/light.h b/src/mesa/main/light.h index 63c40f87975..b97e17b5be4 100644 --- a/src/mesa/main/light.h +++ b/src/mesa/main/light.h @@ -1,4 +1,7 @@ -/* $Id: light.h,v 1.15 2002/10/25 21:06:30 brianp Exp $ */ +/** + * \file light.h + * Lighting. + */ /* * Mesa 3-D graphics library @@ -31,50 +34,54 @@ #include "mtypes.h" - -extern void +extern void GLAPIENTRY _mesa_ShadeModel( GLenum mode ); -extern void +#if _HAVE_FULL_GL +extern void GLAPIENTRY _mesa_ColorMaterial( GLenum face, GLenum mode ); -extern void +extern void GLAPIENTRY _mesa_Lightf( GLenum light, GLenum pname, GLfloat param ); -extern void +extern void GLAPIENTRY _mesa_Lightfv( GLenum light, GLenum pname, const GLfloat *params ); -extern void +extern void GLAPIENTRY _mesa_Lightiv( GLenum light, GLenum pname, const GLint *params ); -extern void +extern void GLAPIENTRY _mesa_Lighti( GLenum light, GLenum pname, GLint param ); -extern void +extern void GLAPIENTRY _mesa_LightModelf( GLenum pname, GLfloat param ); -extern void +extern void GLAPIENTRY _mesa_LightModelfv( GLenum pname, const GLfloat *params ); -extern void +extern void GLAPIENTRY _mesa_LightModeli( GLenum pname, GLint param ); -extern void +extern void GLAPIENTRY _mesa_LightModeliv( GLenum pname, const GLint *params ); -extern void +extern void GLAPIENTRY _mesa_GetLightfv( GLenum light, GLenum pname, GLfloat *params ); -extern void +extern void GLAPIENTRY _mesa_GetLightiv( GLenum light, GLenum pname, GLint *params ); -extern void +extern void GLAPIENTRY _mesa_GetMaterialfv( GLenum face, GLenum pname, GLfloat *params ); -extern void +extern void GLAPIENTRY _mesa_GetMaterialiv( GLenum face, GLenum pname, GLint *params ); +extern void +_mesa_light(GLcontext *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). @@ -85,14 +92,14 @@ do { \ struct gl_shine_tab *_tab = table; \ float f = (dp * (SHINE_TABLE_SIZE-1)); \ int k = (int) f; \ - if (k > SHINE_TABLE_SIZE-2) \ + if (k < 0 /* gcc may cast an overflow float value to negative int value*/ \ + || k > SHINE_TABLE_SIZE-2) \ result = (GLfloat) _mesa_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( GLcontext *ctx, GLenum face, GLenum pname, GLuint legal, @@ -106,18 +113,34 @@ extern void _mesa_validate_all_lighting_tables( GLcontext *ctx ); extern void _mesa_update_lighting( GLcontext *ctx ); -extern void _mesa_compute_light_positions( GLcontext *ctx ); +extern void _mesa_update_tnl_spaces( GLcontext *ctx, GLuint new_state ); extern void _mesa_update_material( GLcontext *ctx, - const struct gl_material src[2], GLuint bitmask ); -extern void _mesa_copy_material_pairs( struct gl_material dst[2], - const struct gl_material src[2], - GLuint bitmask ); +extern void _mesa_copy_materials( struct gl_material *dst, + const struct gl_material *src, + GLuint bitmask ); extern void _mesa_update_color_material( GLcontext *ctx, const GLfloat rgba[4] ); +extern void _mesa_init_lighting( GLcontext *ctx ); + +extern void _mesa_free_lighting_data( GLcontext *ctx ); + +extern void _mesa_allow_light_in_model( GLcontext *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