HERMES, named after the messenger of the gods, is a library whose
only purpose is to convert graphic data from one pixel format to another in
the fastest possible way.

  HERMES will also do surface clearing. And it will do it FAST (even with
x86 and MMX routines if you're on those platforms).

WWW: http://web.archive.org/web/20061005045333/http://www.clanlib.org/hermes/