When moving images in friendseek's image gallery using FF, I get corruptions with SNA. Steps to reproduce: - Login at friendseek.com (yeah .. sorry) - Open a user's profile - Open a user's gallery by clicking on his/her profile photo - Move the picture by dragging it -> Results on my SNB notebook in artifacts As the description is probably confusing, I've created a screencast illustrating the issue: http://youtu.be/ccUf5DOSiow
Hmm, an edge effect. Could be lots of things. Can you please check which of your machines are affected?
The SNB machine currently is the only one I have access to, I can check on gen5 in ~4-5 days or so.
Please give me a ping when you have 2.21.12 and 3.10 ;-)
I am currently on bussines travel, will report back tomorrow. The kernel-fix is in 3.10 final (would be great^^)?
The kernel patch will be in 3.10.1, alas.
As current git ebf4517a0bb510e406795c169aa21b7cc615ed31 fails, I tried with 2.21.11 + patch. Unfortunately I can still reproduce it.
Clemens, have you seen anything remotely like this elsewhere?
I remember I've seen it on another webpage with FF. Are you not able to reproduce it?
Honestly, I haven't tried that hard since the known corruption requires login to friendseek.
Created attachment 86828 [details] self-contained testcase
I've uploaded a self-contained testcase, simply open the test.html with firefox
/me stares in disbelief. Feature!
chromium - shows a black border around the image, that scrolls smoothly midori - shows a translucent grey border around the image, scrolls smoothly firefox - fluctuates between a black border and translucent grey, and redraw errors whilst scrolling
firefox + noaccel (now pnv): black border around image to edge of screen, translucent areas outside of original border when scrolled. (Smooth, no misrender)
#define NO_FILL_BOXES 1 seems to be the magic value.
(But of course, that could just be a migration knock-on effect...)
Overdrawn fill_boxes. :|
Thanks a lot for the test case! commit b9bce2303e3e51d2a703154869bb36564aad7921 Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Mon Sep 30 12:39:51 2013 +0100 sna: Do not reduce overdrawn rectangles for XRenderCompositeRects The specification is that each is drawn in sequence (so over top of earlier rectangles), so do not cheat by using the computed region. Reported-by: Clemens Eisserer <linuxhippy@gmail.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=66313 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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