[Wayland-bugs] [Bug 774534] [wayland] input shape and opaque region not applied without begin_paint()/end_paint()

[gtk+ (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=774534

--- Comment #10 from Olivier Fourdan <ofourdan at redhat.com> ---
  <jadahl> ofourdan: i see, could we make that explicit maybe? instead of 
           sync... we do "wl_surface_set_input_region(empty)" with a comment
           saying why its empty and its fine?
<ofourdan> jadahl: sorry I didn't quite get what you mean about making it
           explicit
  <jadahl> ofourdan: instead of using the sync function, just do it directly
           with the special case (i.e. empty region) so that its obvious that
           it won't break on resize
<ofourdan> I still don't get what you mean, do you mean in gdk or in clutter?
           in clutter, we cannot as there is no api to retrieve the actual
           wayland subsurface from gdk
<ofourdan> oh, you mean, same as now but only for the special case?
  <jadahl> ofourdan: i meant in gdk, yes. make the special case more obvious by
           making it explicit
  <jadahl> ofourdan: since the fact that it'll get set to no-input is hidden 
           from the call site
  <jadahl> ofourdan: as a matter of fact, we could set the input region very 
           early, so the first ever commit catches it (if there is any before
           set_desync)

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