If you are *really* sure that the runtime representation is the same you could use usafeCoerce. You could use a small test function for profiling, something like:
convertGLfloat :: GLfloat -> Float convertGLFloat = realToFrac -- convertGLFloat = unsafeCoerce and toggle between the two (assuming you won't get a segmentation fault). Another option is to not convert at all but use the GL types everywhere. Either explicitly or by exploiting polymorphism. _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
