vkBasalt VS goverlay

there is vkbasalt for image sharpening. i don't know if it'll provide the image you want, but you can configure it and see if it fits your needs.

There is a alternative for Linux called vkBasalt. I haven't used it myself, yet, so I don't know how well it works. Your distro may have a package for it.

In the meantime, you can Generate a LUT yourself and apply it to games using ReShade or vkBasalt, but it doesn't apply to the system as a whole, takes a bit of work to use with each game, and there are certain games that won't work with it at all (rendering OpenGL games through Zink might help, but there are still gaps in its coverage afaik). All that effort is not for the faint of heart, lol.

The solution: vkBasalt

In the ticket there is also someone suggesting vkBasalt as a replacement.

The easiest way to do this on linux is to use vkbasalt with goverlay.

There's probably a million different ways to limit FPS. I use GOverlay as a front-end for MangoHud, and limiting FPS in it is extremely simple. Simply change "FPS Limit", Save, and you're good to go. Use the selected hotkey (F1-F4) to enable/disable the limiter (and right shift + F12 to show/hide MangoHud itself)

Many people seem to use GOverlay as a GUI to configure it. I do it manually because when I tried GOverlay long ago it wasn't ready yet, but maybe it's good now, try it if you prefer a GUI.

I was just clicking the icon in the application menu but it wouldn't launch. However I came across the issue in Github: https://github.com/benjamimgois-zz/goverlay/issues/203 , I used the .deb file as suggested and i'm able to use the program again.

Currently, the best workaround seems to be installing an older version. You can find version 0.6.1 here, (PPA linked by the GitHub page of GOverlay). Download the deb file for Impish, and install from file with apt.

Mangohud supports temperatues and all other infos you'll need. check out goverlay on github here

GOverlay is a GUI application that can be used to manage the config

If you don't like configuring it from config files, there is a great GUI for configuring vkBasalt and Mangohud called GOverlay, available here. Sharpening is under the vkBasalt section's CAS tab.

Would be interesting to see what the deck would look like with Reshade's fakeHDR or other options. Even the fakeHDR option makes a big difference in contrast and vibrancy. On Linux Reshade is called vkBasalt and can be configured with gOverlay. Don't know if that's available already via SteamOS.