https://bugs.winehq.org/show_bug.cgi?id=42592
--- Comment #19 from Filippe LeMarchand gasinvein@gmail.com --- (In reply to amazzy from comment #16)
https://dev.wine-staging.com/patches/submission/220
This patch implements GenerateMips and helps with performance A LOT...
For me it doesn't help much, GPU utilization is still about 50% (Nvidia 1060).