[Bug 57319] Painting in a proprietary application is broken with vulkan renderer

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=57319

--- Comment #2 from Dmitry Timoshkov  ---
(In reply to Rémi Bernon from comment #1)
> We didn't support vulkan child window rendering at all before that change,
> was it actually working with the vulkan renderer?

Yes, the application worked correctly.