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I noticed that while gaming and the GPU is 100% utilized, QT apps seem to repaint VERY slowly and are unusable. GTK apps don't have this problem. I assume this is because GTK is using software rendering and QT is using the GPU? Is there a way to force QT to use software rendering if this is the case?
kwin with compositor off, nvidia proprietary driver (I think it happened back when I used amdgpu too)
EDIT:
I tried these env vars but nothing seemed to change:
QT_QUICK_BACKEND=software
QSG_RHI=0
Tried QSG_INFO=1 to see what renderer was being used, but I'm not getting any output
Last edited by fatalis (2021-05-13 15:38:47)
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