[cairo] Reg. Cairo Performance with DirectFB bacend

Carlo defrag1986 at gmail.com
Thu Nov 10 09:33:26 PST 2011


Il 10/11/2011 10:42, Vicky Tux ha scritto:
> Hi folks,
>
> I'm facing low performance issue while using cairo with directfb as a 
> backend. Actual problem was while using cairo to draw bunch of 
> transparent  rectangles, it takes very much time, but no issues with 
> opaque rectangles.
>
> While analysing the issue I found that semi transparent rectangles 
> were not drawn directly to the surface, instead it was drawn by 
> creating another backend surface & drawn opaquely, but the 
> transparency was applied by creating a mask.
>
> So why this is happening..?
>
> Please help to resolve.
>
> Note:
> -------
>
> I'm testing things with webkit/cairo/directfb
>
> Thanks & Regards,
> Arun.
>
>
> --
> cairo mailing list
> cairo at cairographics.org
> http://lists.cairographics.org/mailman/listinfo/cairo
It's the same for me.. Every object is drawn inside a rectangle. How can 
I resolve this problem?? It's look very bad
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