<div class="gmail_quote"><div>Hi All,</div><div><br></div><div>One more thing I would like to add is, it is not just about drawing semi transparent rectangles, actually webkit uses <b>cairo_push_group </b>& then drawing on the temporary surface then again paints to actual surface <b>with cairo_paint_with_alpha.</b></div>
<div><b><br></b></div><div>Can any cairo-directfb porting guys help me to accelerate this..?</div><div><br></div><div>Regards,</div><div>Arun</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
> Hi folks,<br>
><br>
> I'm facing low performance issue while using cairo with directfb as a<br>
> backend. Actual problem was while using cairo to draw bunch of<br>
> transparent rectangles, it takes very much time, but no issues with<br>
> opaque rectangles.<br>
><br>
> While analysing the issue I found that semi transparent rectangles<br>
> were not drawn directly to the surface, instead it was drawn by<br>
> creating another backend surface & drawn opaquely, but the<br>
> transparency was applied by creating a mask.<br>
><br>
> So why this is happening..?<br>
><br>
> Please help to resolve.<br>
><br>
> Note:<br>
> -------<br>
><br>
> I'm testing things with webkit/cairo/directfb<br>
><br>
> Thanks & Regards,<br>
> Arun.<br>
><br>
><br>
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It's the same for me.. Every object is drawn inside a rectangle. How can<br>
I resolve this problem?? It's look very bad<br></blockquote></div>