this post was submitted on 17 Mar 2024
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Plasma 6: How to use HDR with games? (lemmy.world)
submitted 7 months ago* (last edited 7 months ago) by million@lemmy.world to c/linux_gaming@lemmy.world
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As the title asks, how does one actually use HDR for games after upgrading to Plasma 6?

This was the feature I was most excited about, and I can hit the HDR button on my display configuration and it looks like the desktop is going into HDR mode, but so far I have had zero luck enabling the HDR feature in games. Every game I've tried had the HDR toggle disabled with no way to enable it.

I am running these games under Proton and I've tried both 8-GE and 9 Beta. Any tips?

Edit: probably important to note that I am using an AMD GPU under Wayland

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[–] thadah@lemmy.world 31 points 7 months ago (10 children)

Hi! To enable HDR in most games you will need to set your game in fullscreen. Windowed or Borderless won't allow you to use HDR functionality.

You'll also need to use the DXVK_HDR=1 %command% startup variable in steam to enable HDR in any Proton game. Proton 8 and 9 should support HDR without issuez although there are some games that might need additional configuration.

If you use an NVIDIA card, you might need to enable NVAPI with DXVK_ENABLE_NVAPI=1

Happy gaming! :D

[–] Lojcs@lemm.ee 3 points 7 months ago (5 children)

This only lets you enable hdr in game. Since proton runs under xwayland the hdr info won't reach the compositor.

[–] million@lemmy.world 2 points 7 months ago (4 children)

Oh really? That sucks, how do you work around that?

[–] usrtrv@lemmy.ml 9 points 7 months ago

Use Gamescope and a Vulkan layer. Here's a more detailed post: https://planet.kde.org/xavers-blog-2023-12-18-an-update-on-hdr-and-color-management-in-kwin/

If you get the latest gamescope from git. You no longer need the vulkan layer.

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