[Bug 51836] d3d: Disable CSMT by default if using llvmpipe OpenGL renderer backend

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51836

Zebediah Figura  changed:

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--- Comment #2 from Zebediah Figura  ---
Broadly speaking, what you're probably seeing is bug 44315. I.e. we shouldn't
stall waiting for the CS thread in so many cases.

I think we need the CS thread for other reasons that have to do with OpenGL
context/threading rules (e.g. queries need to be started and ended on the same
context?), but I'm a bit fuzzy on the details.