[Wayland-bugs] [Bug 99702] Xwayland needs better Present extension support

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99702

--- Comment #9 from Michel Dänzer <michel at daenzer.net> ---
(In reply to Pekka Paalanen from comment #8)
> Wait, it does that with EGL-based buffers too? Even though fullscreen
> EGL/GLX X11 clients use double or more buffering?

Yes. Xwayland always uses a single buffer for the pixmap which contains the
storage of a window. The fallback implementation of the Present extension
currently used by Xwayland just copies from the back buffer provided by the
client to that single buffer.

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