this post was submitted on 19 Mar 2024
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    Friends don't let friends buy HiDPI displays (lemmy.world)
    submitted 8 months ago by jg1i to c/linuxmemes
    132 comments fedilink hide all child comments
     

    My lower res, lower DPI display from my old Dell laptop looks much more sharp and crisp than the fancy pants Framework 13 high res display.

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    [–] [email protected] 7 points 8 months ago (1 children)

    So, does Linux just not support those displays?

    [–] [email protected] 17 points 8 months ago (3 children)

    No, electron, xwayland, GNOME cause problems.

    KDE with fractional scaling on Wayland works well.

    Not sure about GNOME today, but they hid it away in the past and forcing 120%/150% made everything blurry

    [–] [email protected] 6 points 8 months ago

    Electron and Xwayland don't cause problems. GNOME is the only source of problems on Linux.

    [–] [email protected] -1 points 8 months ago (1 children)

    Meanwhile, macOS has been handling high-dpi displays with zero issues since 2012.

    [–] [email protected] 2 points 8 months ago (1 children)

    This is just a theory but I assume they just dont scale, they have their UI sized to a set size and thats it.

    [–] [email protected] 0 points 8 months ago (1 children)

    You assume incorrectly.

    The way it works on macOS is that you select the ‘looks like’ resolution to determine the size. For example if you have a 4k monitor you can set a ‘looks like’ resolution of 2560x1440. Internally it always renders at 2x, so in this case it will render to 5120x2880. That image is then scaled down to the actual display resolution, e.g. 3480x2160. It’s basically supersampling.

    [–] [email protected] 1 points 8 months ago* (last edited 8 months ago)

    So they do the same as GNOME? Scale double and then scale down?

    Okay that makes sense as you need more pixels to work with.