https://bugs.winehq.org/show_bug.cgi?id=36520
--- Comment #9 from winetest@luukku.com --- (In reply to Max Qian from comment #8)
No..., Still happening (looks like bad anti-aliasing)
I remember source engine having these issues at the time they started to release games for linux. I think csgo had it and TF2 maybe more games too.
I am not sure if this is really wine issue.