http://bugs.winehq.org/show_bug.cgi?id=21253
--- Comment #8 from Luke Bratch l_bratch@yahoo.co.uk 2010-07-26 17:29:19 --- Removing EXT_glDrawArraysInstanced* and EXT_glDrawElementsInstanced* (which seem to use GL_*_draw_instanced does not make any difference at all. Perhaps I am going about it the wrong way though.