[cairo] Reg. Cairo Performance with DirectFB bacend
ssseintr2 at gmail.com
Fri Nov 11 01:15:02 PST 2011
One more thing I would like to add is, it is not just about drawing semi
transparent rectangles, actually webkit uses *cairo_push_group *& then
drawing on the temporary surface then again paints to actual surface *with
Can any cairo-directfb porting guys help me to accelerate this..?
> > 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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