Re: [PATCH 0/5] MR874: mfmediaengine: Add tests to exhibit inverted video rendering.

[Bernhard Kölbl (＠besentv)]

Bernhard Kölbl (@besentv) commented about dlls/mfmediaengine/tests/mfmediaengine.c:
>  hr = pMFCreateDXGIDeviceManager(&token, &manager);
>  ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
> -
>
> if (device)
> -
>
> {
> -
>    hr = IMFDXGIDeviceManager_ResetDevice(manager, device, token);
> -
>    ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
> -
>
> }
>
> hr = MFCreateAttributes(&attributes, 3);
> ok(hr == S_OK, "Unexpected hr %#lx.\n", hr);
> -
>
> hr = IMFAttributes_SetUnknown(attributes, &MF_MEDIA_ENGINE_DXGI_MANAGER, (IUnknown *)manager);

You probably only want to set this when a D3D device is provided.