[cairo-bugs] [Bug 30003] surface change serial

[bugzilla-daemon at freedesktop.org]

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

--- Comment #1 from Benjamin Otte <otte at gnome.org> 2010-09-03 16:07:44 PDT ---
I think I prefer signal handlers for dirty regions like the APIs Søren
orignally proposed.
Basically the same as a GSignal for mark_dirty_area().

I don't even think it'd be hard to support - we'd start by just marking the
operation's extents we compute anyway as dirty - and it's a much more flexible
API than counting some "operation" on a surface.

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