Fwd: Fighting tearing

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---------- Forwarded message ----------
From: Roberth Sjon?y <roberth.sjonoy at gmail.com>
Date: Sun, Sep 9, 2012 at 6:48 PM
Subject: Re: Fighting tearing
To: Paul Menzel <paulepanter at users.sourceforge.net>


On Sun, Sep 9, 2012 at 6:42 PM, Paul Menzel
<paulepanter at users.sourceforge.net> wrote:
> Dear Roberth,
>
>
> Am Sonntag, den 09.09.2012, 17:48 +0200 schrieb Roberth Sjon?y:
>
>> I run Arch Linux, with it's latest x.org and kernel,
>
> that is xorg-server 1.12.4-1 [1] and linux 3.5.3-1 [2].

Yes.


>
>> and I have compiled libdrm and the intel driver from git, and I update
>> it today.
>
> Please provide the Git commit hashes with the commit summaries to make
> life for readers of your message easier.

Ehm, how I do that?

What I simply did was a PKGBUILD and built the packages from git with
archs packagemanagementsystem.

>
>> But this is issue exists even with the releases.
>
> Since when do you experience these issues?
>
>> With UXA, rendering of the windows in my XFCE4-desktop goes just
>> fines, good performance, windows (exspecially GTK+) doesn't hang after
>> if I drag them over the screen, but there is lot of small tearing.
>> And I want this to go away, I do not use any kind of composition, and
>> I am using XFCEs window manager.
>
> Maybe your monitor causes the tearing?

Thats what I am trying to figure out.

>
>> Here is my xorg.conf
>>
>>
>> Section "ServerFlags"
>>     Option "AutoAddDevices" "Off"
>> EndSection
>>
>> Section "InputDevice"
>>     Identifier     "Keyboard0"
>>     Driver         "keyboard"
>>     Option         "XkbLayout" "no"
>> EndSection
>>
>> Section "Device"
>>     Identifier  "Card0"
>>     Driver      "intel"
>>     Option      "AccelMethod" "UXA"
>>     Option      "TearFree" "true"
>>     Option      "MigrationHeuristic" "greedy"
>>     Option    "TripleBuffer" "true"
>> EndSection
>>
>> With SNA, the performance of the applications is muc much worse. If I
>> just replace UXA with SNA.
>
> Is the tearing fixed though?

I will have to come back on that later need to test, to be sure.

>
> What happens when you test different Window managers or some live
> distribution with other versions? You can even test those by saving the
> ISO file on your drive and directly boot those using GRUB 2 [3].

Tried different WMs but I wanna stick with XFCE.

>
>> Thanks in advance for any help.
>
> I am sorry for not being more helpful. Maybe the developers have more
> ideas.

No problem.

>
>
> Thanks,
>
> Paul
>
>
> [1] http://www.archlinux.org/packages/extra/i686/xorg-server/
> [2] http://www.archlinux.org/packages/core/i686/linux/
> [3] https://bugs.freedesktop.org/show_bug.cgi?id=26294#c13
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
>


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