getzbu(3G)

getzbu - returns whether z-buffering is on or off

As shipped in IRIX 6.5.15. Unchanged since IRIX 6.5.

NAME
     getzbu - returns whether z-buffering is on or off

FORTRAN 77 SPECIFICATION
     logical function getzbu()

PARAMETERS
     none

FUNCTION RETURN VALUE
     The returned value of this function is either .TRUE. or .FALSE..

     .TRUE. indicates that z-buffering is on.

     .FALSE. indicates that z-buffering is off.  (.FALSE. is the default.)
     For systems without the zbuffer option, this function always returns
     .FALSE.

DESCRIPTION
     getzbu returns the current value of the z-buffer flag.

SEE ALSO
     lsetde zbuffe, zclear,

NOTE
     This routine is available only in immediate mode.