Thanks tonyo_au. I also believed the same, but was wondering, why at all this API has been provided, if it does not impact anything. Hence thought of posting the question.

While going through...

Documentations say that, glDepthRange defines the mapping of normalized device coordinates (range [-1, 1]) with the window-space Z coordinate ranges from [0, 1]. -1 is mapped to near values and 1 in...