I hope they didn't use any runtime translator, since Unreal engine acutally works on linux...

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On the other hand, playing opengl or vulkan games via wine should give us almost native speeds.

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You did not correctly quoted the strings.
Also, nvidia driver refers to display with other names (in my case is DPY-2), that's why i suggested a general script (see my previous comment).
Anyway, you're already running a compositor; i don't think is a good idea stacking one on top of another. as you will lose twice the performance in the best case.

BTW:
The fact that the performance drop is the same as running a compositor should REALLY be written in the main article; there's no vodoo magic here.

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Oneliners that works for me in all of the metamodes:
Enable:
sh -c "nvidia-settings --assign CurrentMetaMode=\"$(nvidia-settings -t -q CurrentMetaMode |tr -d "\n"|sed 's/ViewPortIn=/ForceFullCompositionPipeline=On, ViewPortIn=/g'|sed 's/.*:://'|sed 's/^ *//;s/ *$//')\""
Disable:
sh -c "nvidia-settings --assign CurrentMetaMode=\"$(nvidia-settings -t -q CurrentMetaMode |tr -d "\n"|sed 's/.*:://'|sed 's/^ *//;s/ *$//')\""

However, forcing ForceFullCompositionPipeline is just like running a compositor (IT IS a simple compositor) plus you lose shadows and candies, see those benchamrks running simple "teapot" mesa demo:

FPS | Window manager | compositor
-----------------------------------
978   openbox          NONE
976   kwin             NONE
907   openbox          Compton opengl
905   kwin             kwin opengl 3.1
905   kwin             ForceFullCompositionPipeline=on
902   openbox          ForceFullCompositionPipeline=on


...that is the 7-8% performance hit i'd expect when running a compositor on my GTX470 (it is negligible when overrall fps are low, but more evident on simple demos like teapot, and in newer cards the performance hit should be even less evident).

So, if you managed to have vsync with userspace compositors like kwin,compton,mutter and so on, i think it is better to use them instead of ForceFullCompositionPipeline.

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i'm unable to join telegram channel linux_gaming, is it locked?

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