[PATCH wayland-protocols v7] Add zwp_linux_explicit_synchronization_v1

Tomek Bury tomek.bury at gmail.com
Wed Nov 28 14:35:02 UTC 2018

Hi Pekka,

> I suppose the compositor-side copy of buffers you mentioned is for the
> lack of release fences, not acquire fences?
Yes, the lack of release fences is the very reason for the copy. I could
cook something up for the acquire fence, but that wouldn't synchronise the
buffer access anyway. The only way I can be sure the client doesn't
overwrite a buffer still in use by the GPU was to texture from a copy and
let the compositor release the original without waiting for the GPU and
without a fence.

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