AFAIK the GDK_SCALE is here for debugging purpose only (if you want to emulate hi-res mode on a regular display so if you want to override the fedault) and it's involved unless user set it explicitly by hand (by gnome-tweaking-tool for instance).
AFAIK the GDK_SCALE is here for debugging purpose only (if you want to emulate hi-res mode on a regular display so if you want to override the fedault) and it's involved unless user set it explicitly by hand (by gnome-tweaking-tool for instance).