Mir

Comment 6 for bug 1418081

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Alexandros Frantzis (afrantzis) wrote :

> I think for the complex composited desktop case, this is OK. It's perfectly fine performance wise on a desktop
> if you have a window producing new frames that the compositor wakes up.

The occluded surface doesn't need to continuously produce frames. As long as a surface has an available frame and is not rendered (e.g. it's occluded), the compositor will composite at full speed (60FPS).

> For mobile devices, this would be a non-issue. Because Ubuntu-touch freezes them with SIGSTOP so they can't produce
> new frames while occluded.

For the same reason mentioned above, SIGSTOP doesn't help.