getbackface(3G)

getbackface - returns whether backfacing polygons will appear

As shipped in IRIX 6.5.22. Unchanged since IRIX 6.5.

NAME
     getbackface - returns whether backfacing polygons will appear

C SPECIFICATION
     long getbackface()

PARAMETERS
     none

FUNCTION RETURN VALUE
     The returned value for this function is either 0 or 1.

     0   indicates that backfacing polygon removal is turned off.

     1   indicates that backfacing polygon removal is enabled.

DESCRIPTION
     getbackface returns the state of backfacing filled polygon removal mode.
     If backface removal is enabled, the system draws only those polygons that
     face the viewer.

SEE ALSO
     backface

NOTE
     This routine is available only in immediate mode.