[Bug 45277] 006b:fixme:vulkan: X11DRV_vkCreateWin32SurfaceKHR Application requires child window rendering , which is not implemented yet!

https://bugs.winehq.org/show_bug.cgi?id=45277

--- Comment #17 from Dmitry Timoshkov  ---
(In reply to Ken Thomases from comment #15)
> I believe that handling of clipping with siblings and parent windows (for
> GDI drawing, not necessarily OpenGL/D3D) was the reason that the X11 driver
> switched away from X11 child windows in the first place.  But that was
> before client side rendering via the DIB engine.  With that, it may be OK to
> switch back.  On the other hand, I may not have the full story there.

X11 child windows had some other problems, for instance some of WMs had
Z order of such windows broken. Different semantics between X11 and win32
for child windows clipping and painting is another one.