Niels De Graef 9d65eab549 clutter: Use va_marshaller for Actor signals
If possible, GLib will try to use the va_marshaller to pass the signal
arguments, rather than unboxing into and out of a `GValue`. This is much
more performant and especially good for often-thrown signals.

The original bug even mentions Clutter performance issues as a drive to
implement the va_marshaller in GLib (see
https://bugzilla.gnome.org/show_bug.cgi?id=661140).

https://gitlab.gnome.org/GNOME/mutter/merge_requests/700
2019-08-19 13:09:56 +00:00
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