http://bugs.winehq.org/show_bug.cgi?id=13860
--- Comment #15 from Tobias Jakobi liquid.acid@gmx.net 2008-07-17 10:55:48 --- You can "emulate" palette texture support by forcing the mesa swraster driver. Simply set LIBGL_ALWAYS_SOFTWARE environment var to something != 0. Seems to requiere a git mesa though.