[Intel-gfx] Fwd: Fighting tearing

[Roberth Sjonøy]

---------- Forwarded message ----------
From: Roberth Sjonøy <roberth.sjonoy at gmail.com>
Date: Sun, Sep 9, 2012 at 6:52 PM
Subject: Re: [Intel-gfx] Fighting tearing
To: Paul Menzel <paulepanter at users.sourceforge.net>


Tested with SNA. tearing is gone, but the performance of rendering
windows in totally unacceptable.

Regards,

Roberth Sjonøy

On Sun, Sep 9, 2012 at 6:48 PM, Roberth Sjonøy <roberth.sjonoy at gmail.com> wrote:
> 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 Sjonøy:
>>
>>> 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
>>