MantisBT - Zandronum
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IDProjectCategoryView StatusDate SubmittedLast Update
0001568Zandronum[All Projects] Bugpublic2013-11-04 23:402018-08-26 19:36
Reporterermacaz 
Assigned To 
PrioritynormalSeverityminorReproducibilityalways
StatusclosedResolutionno change required 
PlatformLinux x64OSMintOS Version15
Product Version1.2 
Target VersionFixed in Version 
Summary0001568: Graphical artifacts in opengl
DescriptionOriginally posted here
'http://zandronum.com/forum/showthread.php?tid=3804 [^]'

Get minor graphical artifacts in opengl mode
Using Zandronum v1.2 - SVN revision 130826-1853 - SDL version
Intel integrated graphics (on a I-520M), also tested with a radeon 5650m on same machine (dual graphics laptop).
OpenGL mesa 9.1.7

Here are several screenshots of what I am seeing
'http://imgur.com/a/U1Kf6 [^]'

And my zandronum.ini
'http://pastebin.com/5LHN5N2P [^]'
Steps To ReproduceLaunch zandronum in opengl mode.
Start any level.
Additional Information
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Issue History
Date ModifiedUsernameFieldChange
2013-11-04 23:40ermacazNew Issue
2013-11-04 23:42ermacazNote Added: 0007509
2013-11-05 19:23Torr SamahoNote Added: 0007511
2013-11-06 00:04ermacazNote Added: 0007512
2013-12-03 17:01ermacazNote Added: 0007664
2013-12-03 17:03ermacazNote Edited: 0007664bug_revision_view_page.php?bugnote_id=7664#r4257
2013-12-08 07:55Torr SamahoNote Added: 0007673
2013-12-08 07:55Torr SamahoStatusnew => feedback
2013-12-09 23:43ermacazNote Added: 0007691
2013-12-09 23:43ermacazStatusfeedback => new
2013-12-23 04:13skyrimguyNote Added: 0007722
2013-12-23 05:42skyrimguyNote Edited: 0007722bug_revision_view_page.php?bugnote_id=7722#r4281
2013-12-23 05:49skyrimguyNote Edited: 0007722bug_revision_view_page.php?bugnote_id=7722#r4282
2013-12-23 06:17skyrimguyNote Edited: 0007722bug_revision_view_page.php?bugnote_id=7722#r4283
2013-12-23 06:25skyrimguyNote Edited: 0007722bug_revision_view_page.php?bugnote_id=7722#r4284
2013-12-23 06:36skyrimguyNote Edited: 0007722bug_revision_view_page.php?bugnote_id=7722#r4285
2013-12-23 07:46skyrimguyNote Edited: 0007722bug_revision_view_page.php?bugnote_id=7722#r4286
2014-06-13 17:56ermacazNote Added: 0009230
2014-06-13 18:11WatermelonNote Added: 0009255
2014-06-13 18:11WatermelonStatusnew => feedback
2014-06-13 20:00ermacazNote Added: 0009261
2014-06-13 20:00ermacazStatusfeedback => new
2018-08-25 23:28skyrimguyNote Added: 0019402
2018-08-25 23:31skyrimguyNote Edited: 0019402bug_revision_view_page.php?bugnote_id=19402#r11691
2018-08-26 17:44Torr SamahoNote Added: 0019411
2018-08-26 18:17ermacazNote Added: 0019412
2018-08-26 19:36Torr SamahoNote Added: 0019413
2018-08-26 19:36Torr SamahoStatusnew => closed
2018-08-26 19:36Torr SamahoResolutionopen => no change required

Notes
(0007509)
ermacaz   
2013-11-04 23:42   
Forgot to mention, tested on windows on same machine and had no issues.
(0007511)
Torr Samaho   
2013-11-05 19:23   
Can you compile the latest 2.0 version on your machine and check whether it's fixed in there?
(0007512)
ermacaz   
2013-11-06 00:04   
I can confirm the issue persists on Zandronum v2.0-alpha - SVN revision 131102-1555 - SDL version

'http://i.imgur.com/YFhRTai.jpg [^]' -image from 2.0
(0007664)
ermacaz   
2013-12-03 17:01   
(edited on: 2013-12-03 17:03)
Issue persists after upgrading kernel to 3.11.0-13 and Mesa 9.2.1
(0007673)
Torr Samaho   
2013-12-08 07:55   
Does it work in the latest GZDoom version?
(0007691)
ermacaz   
2013-12-09 23:43   
Unfortunately I get a buffer overflow error when I try to load a game in gzdoom when compiled using this guide
'http://zdoom.org/wiki/Compile_GZDoom_on_Linux [^]'
(0007722)
skyrimguy   
2013-12-23 04:13   
(edited on: 2013-12-23 07:46)
[i965] [GM45] bogus rendering with gen4-5 intel chipsets
Quote

I think this is a bug in Mesa,
respectively the dri component of the i965 driver, since AMD and Nvidia
based cards with the radeon and nouveau open source drivers work fine.


[GM45] [x86_64] Bogus rendering while playing Foobillard++
Quote

Thanks for the report!

I can confirm this bug using Mesa master on Ironlake as well. Similar blocky pattern and flickering. Ivybridge does not show this problem, so presumably it's Gen4-5 code at fault...


[IronLake regression] render error when runing etqw-demo
Quote

screenshot about the bug, there are black spots on the earth

ermacaz's i5-520M (Arrandale processor) = Ironlake Graphics (Gen5)
(0009230)
ermacaz   
2014-06-13 17:56   
Issue persists on kernel 3.13.0-27 with Mesa 10.1.3
(0009255)
Watermelon   
2014-06-13 18:11   
Still the same in zan 2.0?
How about gzdoom...?
(0009261)
ermacaz   
2014-06-13 20:00   
With Zandronum v2.0-alpha - SVN revision 131102-1555 - SDL version
Compiled on Nov 5 2013

The issue persists.

I am unable to compile gzdoom to run when compiled following'http://zdoom.org/wiki/Compile_GZDoom_on_Linux [^]' - see a few posts above

Anyway as pointed out by SkyrimGuy it could be a Mesa bug and not zandronum. I am just keeping a log here of what Mesa versions I try and whether the issue persists
(0019402)
skyrimguy   
2018-08-25 23:28   
(edited on: 2018-08-25 23:31)
'https://www.mesa3d.org/relnotes/18.1.6.html [^]'

With Mesa 18.2.0-rc4 or 18.1.6 for my Intel Ironlake Graphics (Gen5), the graphical artifacts in OpenGL mode reported in this bug report no longer appear in Zandronum 1.2-130826-1853, 2.0-alpha-131102-1555 or even 3.0-170901-1140.

Distro: Debian Sid

$ uname -a
Linux 4.17.0-17.3-liquorix-amd64 #1 ZEN SMP PREEMPT liquorix 4.17-13.1~sid (2018-08-21) x86_64 GNU/Linux

$ glxinfo | grep OpenGL
OpenGL vendor string: Intel Open Source Technology Center
OpenGL renderer string: Mesa DRI Intel(R) Ironlake Mobile
OpenGL version string: 2.1 Mesa 18.2.0-rc4
OpenGL shading language version string: 1.20
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 2.0 Mesa 18.2.0-rc4
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 1.0.16
OpenGL ES profile extensions:
(0019411)
Torr Samaho   
2018-08-26 17:44   
Thanks for the info! So I assume we can close this ticket, right?
(0019412)
ermacaz   
2018-08-26 18:17   
I no longer have the machine which experienced the problem. Feel free to close
(0019413)
Torr Samaho   
2018-08-26 19:36   
Will, do. Thanks for the feedback.