[Bug 84252] DRI3 rendering gets stuck waiting for present idle notify event

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84252

--- Comment #36 from Axel Davy <axel.davy at ens.fr> ---
After looking more carefully, it looks like the glx api
is designed to be used a single-threaded way : a glx context
can be used only in one thread.

It may be a problem with the fact it is using the xcb connection from Xlib. If
firefox is using Xlib in another thread, it would lead to problems (I faced
this bug when writing Present support for gallium nine).

I'll soon send a patch to make it use a different xcb connection, with another
small fix, and it may solve the bug.

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