this post was submitted on 30 Mar 2025
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Linux

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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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The diversity of Linux distributions is one of its strengths, but it can also be challenging for app and game development. Where do we need more standards? For example, package management, graphics APIs, or other aspects of the ecosystem? Would such increased standards encourage broader adoption of the Linux ecosystem by developers?

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[–] [email protected] 6 points 1 day ago* (last edited 1 day ago) (2 children)

Each monitor should have its own framebuffer device rather than only one app controlling all monitors at any time and needing each app to implement its own multi-monitor support. I know fbdev is an inefficient, un-accelerated wrapper of the DRI, but it's so easy to use!

Want to draw something on a particular monitor? Write to its framebuffer file. Want to run multiple apps on multiple screens without needing your DE to launch everything? Give each app write access to a single fbdev. Want multi-seat support without needing multiple GPUs? Same thing.

Right now, each GPU only gets 1 fbdev and it has the resolution of the smallest monitor plugged into that GPU. Its contents are then mirrored to every monitor, even though they all have their own framebuffers on a hardware level.

[–] [email protected] 1 points 23 hours ago (1 children)

So this is why multi monitor support has been a never ending hot mess?!

[–] [email protected] 2 points 17 hours ago

Yes and no. It would solve some problems, but because it has no (non-hacky) graphics acceleration, most DEs wouldn't use it anyway. The biggest benefit would be from not having to use a DE in some circumstances where it's currently required.

[–] [email protected] 3 points 1 day ago

This right here is why i moved to a single display setup.