Strange screen tearing artefacts (vsync or something else?)

screen Tommyph1208 25 Mar 2020 @ 07:37:56
error Tommyph1208 25 Mar 2020 @ 07:37:56
vsync Tommyph1208 25 Mar 2020 @ 07:37:56
issue Tommyph1208 25 Mar 2020 @ 07:37:56