[Bug 761059] kmssink: add new plugin and element

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=761059

--- Comment #25 from Víctor Manuel Jáquez Leal <vjaquez at igalia.com> ---
(In reply to Philipp Zabel from comment #20)
> In dmabuf-import mode this plugin unrefs the input buffer right after
> queueing it via SETPLANE. I suppose it should poll for a vblank event
> instead and only release the previous buffer once the current buffer is
> actually presented? With a fast DMABUF source I can currently see it
> rendering into the current scanout buffer because it got the buffer handed
> back too early.

Thanks.

Do you think a drmWaitVBlank after SetPlane is enough?

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