[Bug 47391] Condor2: corrupt graphics, because Z-Buffering not working

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=47391

--- Comment #8 from Alan  ---
(In reply to joaopa from comment #7)
> I think something as
>     hr = IDirect3DDevice8_SetRenderState(device, D3DRS_ZENABLE, 0x55); /*
> test a nonzero dummy value */
>     ok(SUCCEEDED(hr), "Non zero dummy value should enable Z-buffering, hr
> %#lx.\n", hr);
>
> in
> https://gitlab.winehq.org/wine/wine/-/blob/master/dlls/d3d8/tests/visual.
> c#L8634
>
> should be enough to prove the fix is correct. Obviously, you will have to do
> the same for all the directx versions.
>
> Surely, someone will confirm or infirm what I wrote above.

tho i see

hr = IDirect3DDevice9_SetRenderState(device, D3DRS_ZENABLE, FALSE);
    ok(SUCCEEDED(hr), "Failed to disable Z test, hr %#lx.\n", hr);

many times in the test file with the same values what's the reason for that?