[cairo] Poor performance when render to glitz surface using
sunmoon1997 at gmail.com
Wed Aug 10 23:20:24 PDT 2005
Vladimir Vukicevic wrote:
>On 8/10/05, sunmoon1997 <sunmoon1997 at gmail.com> wrote:
>> When paint a glitz surface to another glitz surface using following
>> cairo_set_source_surface(cr, glitzsr, x, y);
>> cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
>>the performance become very poor, but it's ok if i change
>>cairo_paint(cr) to cairo_paint_with_alpha(cr, 0.99). Any comments?
>Interesting; you might want to step through cairo_paint() and the
>deeper composite call, to see if you're hitting some software fallback
>that you shouldn't be hitting.
Yes it fallback to libpixman and it seems this code become broken
after applied Owen's unbounded patch.
>Also, why do you attach the same 57k PNG to all your messages?
> - Vlad
My code need this image. I just attached it, and I'm just too lazy to find a smaller one or write some code to replace the image. :-)
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