=head1 NAME

IUP::GL::SubCanvas - [GUI element] GL-based subcanvas

=head1 DESCRIPTION

XXX-TODO: missing doc

=head1 SEE ALSO

The original doc: L<iupglsubcanvas.html|http://www.tecgraf.puc-rio.br/iup/en/gl/iupglsubcanvas.html>


=cut