https://bugs.winehq.org/show_bug.cgi?id=41059
--- Comment #3 from fjfrackiewicz@gmail.com --- Looks like two-sided stencil testing for DX11 was implemented but I would like to test before resolving this bug report :)
http://source.winehq.org/git/wine.git/commit/c17462800a5372c7a7865d233d92f88...