[Bug 45168] Visual Novel "The Fruit of Grisaia" has flickering glitches

https://bugs.winehq.org/show_bug.cgi?id=45168

--- Comment #4 from Fabian Maurer  ---
Must be "still relevant as of wine-3.19" ofc.

Also, I managed to get a d3d9 apitrace now, but it still does replay fine under
wine. It only has the artifacts when running the game itself.
Probably due to the timing issues, maybe related to vsync? I tried setting
"vblank_mode=0" (using mesa) and it seems to make it work, at least I couldn't
get it to have artifacts yet. The fps seem to be not affected much, what is
kinda strange to me.

An idea what's wrong here?