[cairo-bugs] [Bug 10208] Cairo image rendering very slow on devices with depth 16 (and without hardware XrenderComposite)....

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=10208





------- Comment #3 from romaxa at gmail.com  2007-03-07 04:17 PST -------
Hmm... we have 2 different problems:

1)
..........
cairo_surface_backend_t cairo_xlib_surface_backend = 
 NULL, /* paint */
...............
That means cairo do composite fallback for each paint operation.

2) Composite operation very slow because it required permanent conversation
from 32/24->16.

Result: Cairo xlib surface very unhappy on such devices like N800...


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