http://bugs.winehq.org/show_bug.cgi?id=6955
--- Comment #22 from Claudio sick_soul@yahoo.it 2009-12-01 15:36:50 --- Created an attachment (id=25040) --> (http://bugs.winehq.org/attachment.cgi?id=25040) Patch implementing software vertex blending in wine-1.1.33 (adapted from patch v. 1.1.18)
This change helped me, so I put an up to date version of the patch.
NB: I am not the same Claudio :)