https://bugs.winehq.org/show_bug.cgi?id=31393
--- Comment #8 from Henri Verbeet hverbeet@gmail.com --- Created attachment 53884 --> https://bugs.winehq.org/attachment.cgi?id=53884 patch
Does this patch help? It introduces a DWORD registry key "SampleCount" that allows the sample count for the back buffer to be overridden.