[Webkit-unassigned] [Bug 74993] [EFL] Refactor the way using cairo in ewk_tiled_backing_store.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=74993





--- Comment #11 from KwangHyuk <hyuki.kim at samsung.com>  2011-12-27 02:09:00 PST ---
(In reply to comment #10)
> > > I'm not sure. Does it really have performance issue?
> > > 
> > > IIRC, It is not expensive and WebKit/Gtk+ and firefox doesn't keep cairo surface.
> > 
> > I am now agreeing with Ryuan.
> > 
> > According to my measurement, only one big burden occurs when it brings pixel data from image object for the first time when image object is created. :)
> > 
> > I couldn't notice the performance loss when it creates cairo surface and context yet.
> 
> Thank you, but for curiosity. According to your measurement, could you tell how much time take cairo_image_surface_create_for_data 

According to my measurement, it was 0.013 msec.


> and cairo_create call in each _ewk_view_tiled_render_cb function call?
It was 0.0036 msec.

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