Apple GPU // Hyprland explicit sync not working

[coroner21]

Hi there,

Very happy user of Hyprland on my Macbook Air M1. I just recently learned that there is a problem with explicit sync implementation in Hyprland causing issues with the Apple GPU. This meant MPV was not starting for me with vo=gpu.

I am currently running Hyprland with
render { explicit_sync = 0 }
in my config.

Let's use this discussion to document the issue and see if we can get it fixed (as the original issue has been closed).

So far, we know that this is caused apparently by the call to drmSyncobjFDToHandle failing in https://github.com/hyprwm/Hyprland/blob/main/src/helpers/sync/SyncTimeline.cpp#L28-L30.

My very basic take is that apparently for Apple GPU you need some other way to setup the timeline...

@vaxerski: Do you already have any idea what needs to be done and could provide pointers?

Thanks!

[gulafaran]

if i remember right its this #10401

[coroner21]

Great, thanks! I did not search closed discussions before opening this one... So I see there is an issue, probably no need to have another discussion.