Enabling HDR in steam to

Issues & Assistance
1

What is the proper command to enable HDR in a game within steam? So far Iv enabled it somewhat with
gamescope W-2560 H-1440 --hdr enabled --fullscreen – %command%

My issues are these. It seems like the calibration is way off in fame between listed nits and what I get. I have to turn cyberpunk down to 300 to look like 1000. Also my mouse has limited movement and I have to use a controller for full use. I’m pretty new to Linux so don’t hate, I got this far haha. I will say HDR enabled in desktop actually looks like it’s supposed to on kde compared to windows. I think I just need a little advice. Thanks.

2

Best way to use HDR is still Steamtinkerlaunch, it has a HDR setting without using the gamecope command line and so on^^

3

MANGOHUD=1 gamescope -W 3840 -H 2160 -f --force-composition --force-grab-cursor --hdr-enabled – env VKD3D_DISABLE_EXTENSIONS=VK_KHR_present_wait %command%

MANGOHUD=1 Opcional

W 3840 -H 2160 Resolution your monitor/TV
–force-composition This adjusts the aspect ratio if you want to play in 21:9 on a 16:9 monitor
–force-grab-cursor Mouse fix
–hdr-enabled – env VKD3D_DISABLE_EXTENSIONS=VK_KHR_present_wait HDR setting