[Bug 75794] New: Accumulation of black squares with OpenGL applications at high resolutions

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bugzilla-daemon＠freedesktop.org

5 Mar 2014 5 Mar '14

11:47 a.m.

https://bugs.freedesktop.org/show_bug.cgi?id=75794

Priority: medium Bug ID: 75794 Assignee: dri-devel@lists.freedesktop.org Summary: Accumulation of black squares with OpenGL applications at high resolutions Severity: normal Classification: Unclassified OS: Linux (All) Reporter: l.mollari@gmx.net Hardware: x86-64 (AMD64) Status: NEW Version: 9.1 Component: Drivers/Gallium/r300 Product: Mesa

Created attachment 95154 --> https://bugs.freedesktop.org/attachment.cgi?id=95154&action=edit glxgears with artifacts

I am having trouble with black areas made up by 8 × 8 pixel squares that occur in 3D enabled applications when using the build-in TFTs native resolution of 1920 × 1200. Lower resolutions are not affected (see attached screenshots [1] and [2]). The shape of these areas is sensitive to the actual content drawn in such a way that it acts like a shadow or an impression of the actual 3D geometry and even of 2D HUDs in 3D enabled games. These artifacts are persistent across different applications i. e. the current application inherits the artifacts from the previous one and vice versa [4]. I have uploaded a video showing the artifacts described in 0 A. D.:

https://www.youtube.com/watch?v=Rpu-s8DowFw

I narrowed the glitches down to Mesa 3D version 9.1 that seemingly introduced the bug. The bug seems to be still present in the most recent Mesa 3D and Linux kernel versions [6].

Damaged hardware is unlikely to be the cause for these glitches since I was able to reproduce the same artifacts on three different laptops of the same product line, all equipped with the same GPU.

All tests were performed with unaltered default settings of the respective distributions. No manually touched or customized xorg.conf files or kernel mode settings were in place.

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bugzilla-daemon＠freedesktop.org

5 Mar 5 Mar

11:48 a.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

l.mollari@gmx.net changed:

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bugzilla-daemon＠freedesktop.org

11:49 a.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

--- Comment #1 from l.mollari@gmx.net --- Created attachment 95155 --> https://bugs.freedesktop.org/attachment.cgi?id=95155&action=edit 2. glxgears without artifacts at lower resolution

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bugzilla-daemon＠freedesktop.org

11:50 a.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

--- Comment #2 from l.mollari@gmx.net --- Created attachment 95156 --> https://bugs.freedesktop.org/attachment.cgi?id=95156&action=edit 3. 0 A. D. with artifacts

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bugzilla-daemon＠freedesktop.org

11:51 a.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

--- Comment #3 from l.mollari@gmx.net --- Created attachment 95157 --> https://bugs.freedesktop.org/attachment.cgi?id=95157&action=edit 4. 0 A. D. with silhouette artifacts

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bugzilla-daemon＠freedesktop.org

11:52 a.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

--- Comment #4 from l.mollari@gmx.net --- Created attachment 95158 --> https://bugs.freedesktop.org/attachment.cgi?id=95158&action=edit 5. Latest Xorg.0.log from the affected system

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bugzilla-daemon＠freedesktop.org

11:53 a.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

--- Comment #5 from l.mollari@gmx.net --- Created attachment 95159 --> https://bugs.freedesktop.org/attachment.cgi?id=95159&action=edit 6. List of tested versions

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bugzilla-daemon＠freedesktop.org

11:55 a.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

--- Comment #6 from l.mollari@gmx.net --- Created attachment 95160 --> https://bugs.freedesktop.org/attachment.cgi?id=95160&action=edit 7. Output from lspci (excerpt)

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bugzilla-daemon＠freedesktop.org

11:55 a.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

--- Comment #7 from l.mollari@gmx.net --- Created attachment 95161 --> https://bugs.freedesktop.org/attachment.cgi?id=95161&action=edit 8. Output from xrandr

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bugzilla-daemon＠freedesktop.org

2:13 p.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

--- Comment #8 from Alex Deucher agd5f@yahoo.com --- Can you use git to bisect between the 9.0 and 9.1 releases to see what commit caused the regression?

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bugzilla-daemon＠freedesktop.org

8:34 p.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

--- Comment #9 from l.mollari@gmx.net --- Sure, I am going to give it a try.

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bugzilla-daemon＠freedesktop.org

11 Mar 11 Mar

7:45 a.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

--- Comment #10 from l.mollari@gmx.net --- My attempt to track down the commit that introduced the glitches ended with the following error from the configure script, using revisions "mesa-9.1" and "mesa-9.0.3":

configure: error: DRI driver directory 'r300' does not exist

I followed the instructions given at the Ubuntu wiki site, using the configure command with the parameters as listed below:

https://wiki.ubuntu.com/X/BisectingMesa

git clone git://anongit.freedesktop.org/git/mesa/mesa

...

./configure --prefix=/usr --mandir=${prefix}/share/man \ --infodir=${prefix}/share/info --sysconfdir=/etc \ --localstatedir=/var --build=i486-linux-gnu --disable-gallium --with-driver=dri \ --with-dri-drivers="r300" --with-demos=xdemos --libdir=/usr/lib/glx \ --enable-glx-tls --enable-driglx-direct --disable-egl \ --disable-glu --disable-glut --disable-glw CFLAGS="-Wall -g -O2"

To my understanding the particular driver "r300" is not (any longer?) part of what I have cloned so far from the git repository, hence the configure script wants to include a precompiled version. Could you please give me a hint how I can get past this missing driver obstacle?

However opting out the parameter --with-dri-drivers="r300" enables the configure script and subsequently the make command to succeed even though glxgears, now running without artifacts at decent fps, is stuttering noticeably. This applies to 9.0.3 and 9.1 likewise.

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bugzilla-daemon＠freedesktop.org

8:29 a.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

--- Comment #11 from Michel Dänzer michel@daenzer.net --- First of all, have you confirmed that the problem is still present in Mesa 10.x?

Mesa 9.0 already didn't have the classic r300 driver anymore. You need to use --with-gallium-drivers=r300 instead of --with-dri-drivers="r300" (and maybe also drop --disable-gallium just in case, although AFAICT that shouldn't have any effect).

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bugzilla-daemon＠freedesktop.org

1 p.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

--- Comment #12 from l.mollari@gmx.net --- Mesa 10.2.0-devel is still affected by this bug.

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bugzilla-daemon＠freedesktop.org

28 Oct 28 Oct

4:26 p.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

--- Comment #13 from Brais brais.sg@hotmail.es --- Opening Google Chrome seems to "fix" the bug. Thats weird, my computer is a HP Compaq nw8440 with a FireGL V5200 GPU, only resolutions over 1920x1080 trigger the bug. It's fine at 1920x1080 but not at 1920x1081 (In Window mode).

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bugzilla-daemon＠freedesktop.org

18 Sep 18 Sep

6:52 p.m.

New subject: [Bug 75794] Accumulation of black squares with OpenGL applications at high resolutions

https://bugs.freedesktop.org/show_bug.cgi?id=75794

GitLab Migration User gitlab-migration@fdo.invalid changed:

--- Comment #14 from GitLab Migration User gitlab-migration@fdo.invalid --- -- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.

You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/360.

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bugzilla-daemon＠freedesktop.org