Hi all, On 13 February 2018 at 11:02, Marius-cristian Vlad <marius-cristian.v...@nxp.com> wrote: > The sample client I've posted seems to be using the overlay plane. > Also, Daniel Stone confirmed a while back that they can be used. > > However it seems that page flipping on the overlay plane can not > be used if the connector is used in the same time (and I'm not > treating that case -- I disable that connector before handling out the > lease). Or primary plane -> page flipping, overlay -> wait for vblank? > > Looking briefly over weston code I see that for overlay planes they use > wait for vblank mechanism. Maybe Daniel/Pekka can confirm this, or > maybe this is an issue with legacy API and atomic doesn't suffer from > this problem. I'm not 100% sure. > > I guess it would be interesting to see if we can use it in the same > time.
With the atomic API at least, overlay planes cannot be driven separately from other planes on that CRTC. Atomic only allows one commit per CRTC per vblank: either you hand out CRTCs in their entirety, or when you lease an overlay plane to a client, you stop updating anything else on that CRTC. Cheers, Daniel _______________________________________________ wayland-devel mailing list firstname.lastname@example.org https://lists.freedesktop.org/mailman/listinfo/wayland-devel