/****
 *
 * Copyright (c) 1988 by Sun Microsystems, Inc.
 * @(#)sh_LIGHTS.ah 22.1 89/08/10 Copyright 1988 Sun Micro
 *
 * LIGHTS class attributes
 *
 ****/
Unsgn8		lg_flags;	/* light group flags */
Unsgn8		lg_size;	/* number of light sources in group */
Unsgn8		lg_max;		/* maximum light sources allowed */
OBJ_KEY		lg_model_key;	/* model transform key */
OBJ_KEY		lg_rtm_key;	/* render transform key */
POINT_F3D	lg_eye;		/* position of eye */
POINT_F3D	lg_eye_vec;	/* eye unit vector */
CONTEXT		lg_ctx;		/* context */
TRANSFORM	lg_model_inv;	/* inverse of model transform */
TRANSFORM	lg_rtm_inv;	/* inverse of render transform */
int		(*lg_apply_func)(); /* Apply_Lights implementation */
struct ls_data	lg_source[LIGHT_MAX_SOURCES];