Night Color not working in guests

[Thomas Prescher]

Hi,

I don't know exactly what these functions are depending on, but it is
basically the same as nightshift for Windows 10 [1] where your entire
display image gets shifted to yellow. See an example in the link below.

All the best,
Thomas

[1]
https://support.microsoft.com/en-us/help/4027563/windows-10-set-your-display-for-night-time

On 9/10/20 7:42 AM, Zhenyu Wang wrote:
> On 2020.09.09 10:58:38 +0200, Julian Stecklina wrote:
>> Hello everyone,
>>
>> we noticed that any of the Night Color modes in Gnome and KDE don't work in
>> guests when they run with vGPUs. This is pretty easy to reproduce: Pick a GNOME
>> or KDE Live CD and try to enable Night Color (KDE) or Night Light (GNOME).
>>
>> This is a bit of a minor issue, but I wonder what would be missing to make this
>> work. Is there anything missing in Qemu or this is something that the mediator
>> needs to handle. Does anyone have an idea?
>>
> I personally don't use KDE and little with GNOME. What's function those night modes
> depend on? Display gamma config or something else?
>
-- 
Thomas Prescher
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