[Bug 49159] New: Krita shows only black screen

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=49159

Bug ID: 49159
           Summary: Krita shows only black screen
           Product: Wine
           Version: 5.8
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 67176
  --> https://bugs.winehq.org/attachment.cgi?id=67176
Terminal log

When I open Krita, then I see loading screen and when loading ends black
screen.
Seems that interface works fine, because it shows menu etc. but only shows
black screen.

Tested Krita version -
https://download.kde.org/stable/krita/4.2.9/krita-x64-4.2.9.zip

PC Specs
Ubuntu 20.04
GTX 970 - Nvidia 440
Wine 5.8 develop