[Bug 45724] Multiple EndScene calls result in multiple glFlush (FF XIV)

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=45724

--- Comment #9 from Henri Verbeet <hverbeet at gmail.com> ---
(In reply to Andrew Wesie from comment #6)
> I modified the d3d9 occlusion query test to check if it gets flushed
> implicitly, flushed implicitly with BeginScene / Draw / EndScene, and then
> flushed explicitly. This revised test passes on my Windows 10 x64
> installation when using Intel GPU. It does not pass with AMD GPU because the
> query is flushed implicitly (e.g. even without the BeginScene / EndScene).
> 
Perhaps that's good enough as an indicator that the D3D runtime doesn't flush
on EndScene(), for d3d9 at least. At the same time, I think the AMD result also
highlights the danger of this kind of change. Even if the change itself is
correct, there's potential for this to break things. I'd be willing to sign-off
on this one though, provided you'll keep an eye on any regressions.

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