Permission Denied when using raw mice

I’m implementing a mouselook in my game and after following the docs I’m getting:

:display:x11display(error): Opening raw mice: Permission denied /dev/input/event0
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event1
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event2
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event3
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event4
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event5
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event6
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event7
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event8
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event9
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event10
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event11
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event12
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event13
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event14
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event15
:display:x11display(error): Opening raw mice: Permission denied /dev/input/event16
:display:x11display(error): Opening raw mice: no mouse devices detected in /dev/input/event*

I’ve tried sudo usermod -aG input [user] and relogged. Didn’t make any difference.

What can I do ?

I don’t think you should use the raw mice feature in order to implement mouselook. It generally requires root access.

Use relative mode instead.