On Wed, 2006-02-01 at 12:04 -0600, Federico Mena Quintero wrote:
Has anyone figured these out? :)
> - how long do we take to load the image from disk and decode it. For a
> 1400x1050 JPEG, this takes 0.27 seconds for me from looking at strace.
>
> - how long do we take to generate the pixmap we set on the root window,
> based on the decoded pixbuf. No idea how long that takes. Test the
> various cases: this is the cross product of { solid image, image with
> alpha} x { solid color, gradient } x { tiled/untiled image covers the
> background completely, background shows through }. libbackground has
> some fancy code to detect the various coverage conditions; ensure that
> that code is working correctly.
>
> - how long does nautilus take to pick up the pixmap and repaint its
> desktop window. That takes about 1 second for me, due to XRENDER bugs.
This last one should be better on Radeon cards if you cvs update your
GTK+. I put a workaround for the relevant Cairo/XRENDER bugs.
Federico
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