15 points

Can someone explain what this really does ? The article is very lacking.

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40 points
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Color management ensures accurate and identical color reproduction across display devices. It’s extremely important for artists and designers, and its absence in Wayland is a deal breaker for them.

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19 points

I would like to remind everyone that while this extension does not include display response measuring and calibration, they will come later.

No calibration yet.

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7 points

You don’t need a protocol for profiling, it’s merely a nicer user experience if you have one.

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1 point

Oh yeah I’ve seen issues in KDE Wayland for it lately, namely on brightness. It’s gone since.

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10 points

This is the protocol for HDR content. KDE already ships an experimental version of it.

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14 points

not just hdr stuff, it’s all color profiling. my old monitor is dark af with wayland because it’s not loading its color profile and i can’t adjust gamma or apply color profiles in settings or with colord like you can in x. i really need this to be able to switch to wayland.

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4 points

This protocol isn’t relevant for your compositor to apply an ICC profile. If you’re using KDE Plasma, you can just select it in the settings. I think Sway allows that now too. If you’re on Gnome, you’ll need to wait.

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2 points
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I know this is probably not a solution to your problem, but maybe:

https://github.com/ien646/gamma-icc

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8 points

It’s kind of embarrassing they still don’t have this tbh.

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14 points

They as in Wayland? Xorg doesn’t have HDR either and never will.

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6 points

As in Wayland yes. X does have color correction stuff, which is the most important part.

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5 points

uh, kinda not really? I mean, you can calibrate your screen to sRGB, if you calibrate it to anything else, every non managed app will completely and utterly break

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6 points

Does this mean I could finally enjoy HDR content on my OLED HDR monitor?

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13 points

You can right now. If you are using KDE, it should work with mpv, though you might need to launch it from terminal with a few flags to tell mpv to use HDR.

If you’re not using KDE, you can launch gamescope with the hdr flag in the tty and have it launch mpv.

Though I’m not sure any browsers have working HDR. I think Chromium may have some stuff in progress. Gnome Web may get it since WebKit supports HDR and HDR is being worked on for GTK.

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4 points

gnome iirc also has merged the wip protocol so it should work on gnome too

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2 points

It’s hidden away on Gnome. You need to hit a keyboard shortcut that brings up a special console window then run a command to enable the HDR.

For better or worse, Plasma has the option prominently displayed in settings.

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2 points

Do I have to enable HDR in Plasma settings? Because when I do, and then log out, plasma crashes and I have to log into a different DE and disable HDR in the terminal.

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2 points
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the Wayland color management protocol might finally be close to merging after four years in discussion.

But also

Going all the way back to January 2020

So really it’s been almost 5 years.

Let’s hope we can finally get it and move on to any other remaining protocols.

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2 points

HDR is new ground on Linux, so it’s understandable it’s taking a while. It requires involvement from all over the graphics stack: graphics drivers, mesa, Wayland protocol, protocol needs to be implemented in compositor, apps need to implement the protocol.

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