wine users - Dec 2013 - Visual glitching on Heroes of Might and Magic V?

Hi,

I'm using Wine 1.7.8 to run Heroes of Might and Magic V (installed via
Steam). It mostly runs fine, but there's some strange visual glitching.
Screenshot: http://i.imgur.com/BJwHLpW.jpg

Has anyone seen anything like that before? Any suggestions on how to fix
it? This is on a 15-in Macbook Pro under Ubuntu 13.10.

Thanks!
Brendan
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