NAME

getbackface − returns whether backfacing polygons will appear

SPECIFICATION

C
long getbackface()

FORTRAN
integer*4 getbac()

Pascal
function getbackface: longint;

DESCRIPTION

getbackface returns the state of backfacing filled polygon removal.  If backface removal is on, the system draws only those polygons that face the viewer.  1 indicates backfacing polygon removal is enabled; otherwise getbackface returns zero. 

SEE ALSO

backface Programming Guide, Section 12.2, Backfacing Polygon Removal

NOTE

This routine is available only in immediate mode. 

Version 3.6  —  December 20, 1987