To display of concave polygons, polygons containing holes

Dear OpenGL Experts,

I am creating application, which requires the display of concave polygons, polygons containing holes and polygons intersecting edges.
How can I get this?

Please write to me at [email]dnomula@yahoo.co.in[/email]

Deepa S. Nomula
Software Consultant,
Navi Mumbai.

Do you want to indices the vertices index to faces?