[cairo-bugs] [Bug 30003] surface change serial / damage API

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=30003

--- Comment #5 from Uli Schlachter <psychon at znc.in> ---
This only adresses the original "callback when surface content changes", but
you can (ab)use cairo_surface_set_mime_data() to get a callback when a surface
is modified.

An example for this can be found here:
https://bugzilla.mozilla.org/attachment.cgi?id=624394&action=diff

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