Dear Matt, I just checked my compiled version, indeed I was using a version without this patch. I patched my local weston but it didn't seem that my problem is gone. So I guess there could be other problems with my code, but thanks for your assistance. Now I can insert the callback in weston to do some inspection.
Regards, XZ Le lun. 12 mars 2018 19 h 22, Matt Hoosier <matt.hoos...@gmail.com> a écrit : > Here's the discussion and patch that addressed the issue I was mentioning: > > > https://lists.freedesktop.org/archives/wayland-devel/2017-September/035191.html > > On Mon, Mar 12, 2018 at 3:51 PM, Matt Hoosier <matt.hoos...@gmail.com> > wrote: > > Hi, > > > > Unless you're using an unreleased version of Weston, I think you're > > probably running into a bug that we fixed a few months ago in which > > wl_buffer::release() events were prone to sit undispatched in the > > server's outgoing queue until some other event happened to need > > transmitted. > > > > -Matt > > > > On Mon, Mar 12, 2018 at 1:23 PM, Sichem Zhou <sichem...@gmail.com> > wrote: > >> Hi all, > >> > >> Dear wayland devs, I have a question regarding to double `wl_buffer` > >> management. I don't seem to have wl_buffer released untill some other > events > >> triggered (for example, the inputs). My current environment is under > >> `X11-backend` and a libweston based compositor. > >> > >> My pipeline follows: (frame, attach, damage, commit) -> buffer switch -> > >> wait until one buffer available -> redraw. The `done` event is handled > >> differently since it only signals if ready to draw. > >> > >> Through my experiments, I found out at I wouldn't get either of the > >> `release` of `frame done` event if I wasn't using the compositor (moving > >> cursor or typing). In this case I guess there is something wrong with my > >> pipeline but I couldn't figure out which. I wish to know if there is > obvious > >> mistakes in my pipeline or the problem lies in the compositor. > >> > >> Very appreciate any answers. > >> > >> SZ > >> > >> > >> > >> _______________________________________________ > >> wayland-devel mailing list > >> wayland-devel@lists.freedesktop.org > >> https://lists.freedesktop.org/mailman/listinfo/wayland-devel > >> >
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