[Wayland-bugs] [Bug 97353] Wayland lacks cross-process synchronisation

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97353

--- Comment #6 from Tomek Bury <tomek.bury at gmail.com> ---
I meant Sailfish OS compositor and Jolla (ex. Nokia) - they did have this
problem. Sorry for the confusion.

Now, bear in mind that the "implicit fencing" requirement is an implicit
requirement itself. It's never spelled out amongst Wayland requirements AFAIK.
EGL/GLES2, shared buffers and a couple of extensions are mentioned but implicit
sync is not. Please point me to this requirement if it's written somewhere. If
it's not, then perhaps this should be a bug report.

As for building implicit sync into driver - it's rather expensive, risky and
utterly pointless to significantly change the architecture and rewrite core
parts of a working driver just to have implicit cross-process synchronisation
on every platform when Wayland is the only platform that assumes it. Android
requires EXPLICIT sync and that's a completely different beast.

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