getbac(3G) getbac(3G) NAME getbac - returns whether backfacing polygons will appear FORTRAN 77 SPECIFICATION integer*4 function getbac() 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 getbac 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 backfa NOTE This routine is available only in immediate mode. Page 1[top]
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