this post was submitted on 05 Oct 2024
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How the heck do I get gamescope working with Heroic Games Launcher? (self.linux_gaming)
submitted 4 months ago by million to c/linux_gaming
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This is one is very confusing, which probably speaks to the current UI in Heroic. I just want to say, run this game in gamescope, so I can use HDR.

I have the latest version of Heroic, installed via Flatpak as the devs recommend. If I go to configure the game in the UI it has an entire settings page dedicated to Gamescope but nothing that says "enable gamescope".

Anyone get this working?

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[–] rtxn 2 points 4 months ago* (last edited 4 months ago) (9 children)

I don't use HDR so I'm of limited help there. You'll have to pass those options using the "Additional Options" field. Run gamescope --help and look for relevant options. Also remember that HDR support on Linux is still primitive.

[–] million 1 points 4 months ago* (last edited 3 months ago) (8 children)

Got it working, added to -f --hdr-enabled to the Additional Options section under the upscale options in the Gamescope tab. Note that you need to have upscape ticked even with additional options added.

Unfortunately it looks washed out and awful.

Edit: Just a quick note for folks this later on - it does indeed seem Flatpak related, or at the very least I got similar results under the Steam flatpak trying to run game in HDR. I ended installing the native package Steam and lo and behold, HDR no longer looks as washed out, though it still looks a little off compared to Windows. Those swapchains errors I was getting also vanish.

[–] [email protected] 1 points 3 months ago (2 children)

I believe only plasma 6 has support for HDR, and it requires additional config to enable it with games. Otherwise, it will look washed out as you found.

Alternatively, you can use gamescope-session which is basically running gamescope as a standalone like the steam deck.

[–] million 1 points 3 months ago (1 children)

Yeah I was running the game under Plasma 6 with HDR enabled and inside a game scope container.

Sounds like there are some issues with Flatpak and HDR so that may be what I am hitting.

What additional configuration are you referring to?

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

What additional configuration are you referring to?

Looking here, you might not need it anymore: https://zamundaaa.github.io/wayland/2024/05/11/more-hdr-and-color.html

But make sure gamescope is a recent version.

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