_RGSSTransformer = function( fontMaterial, materialProperty, value){

	if ( value && value !== 'antialiased' ) {

		fontMaterial.defines['NO_RGSS'] = '';

	} else {

		delete fontMaterial.defines['NO_RGSS'];

	}

	fontMaterial.needsUpdate = true;

}
@type {(fontMaterial:Material|ShaderMaterial, materialProperty:string, value:any) => void }
@private