graphic artifacts on zandronum linux opengl

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ermacaz
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graphic artifacts on zandronum linux opengl

#1

Post by ermacaz » Sun Nov 03, 2013 11:06 pm

Hi,

I'm getting some graphic artifacts when using openGL on linux.

Using Zandronum v1.2 - SVN revision 130826-1853 - SDL version
Intel integrated graphics (on a I-520M)
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

This is the first time I have used zandronum on a linux machine so I am not sure if this is just a general problem with doom opengl on linux or just something I have configured incorrectly

Thanks
Last edited by ermacaz on Mon Nov 04, 2013 1:33 am, edited 1 time in total.

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Ænima
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RE: graphic artifacts on zandronum linux opengl

#2

Post by Ænima » Sun Nov 03, 2013 11:18 pm

ermacaz wrote: Intel integrated graphics
Well there's your problem.

If it's not that, then it may be a buffering problem. Other than that, I really have no idea so you're better off waiting for someone like -=Dark-Slayer=- to respond since he's more knowledgeable about vid hardware.
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infurnus
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RE: graphic artifacts on zandronum linux opengl

#3

Post by infurnus » Sun Nov 03, 2013 11:23 pm

  • Go to the menu: Options -> Display Options -> OpenGL Options
  • Ensure that Rendering Quality is set to Quality and not Speed

ermacaz
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RE: graphic artifacts on zandronum linux opengl

#4

Post by ermacaz » Mon Nov 04, 2013 1:33 am

Hi,

I do have rendering quality set to quality.

This is actually a laptop with both integrated and a dedicated radeon 5650. I usually keep the radeon off as it kills the battery on linux but I just tried switching to radeon only and I still have the graphics issue. Zandronum runs fine on windows on the same machine so it doesn't seem to be a hardware problem.

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infurnus
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RE: graphic artifacts on zandronum linux opengl

#5

Post by infurnus » Thu Nov 07, 2013 1:02 am

Hmm, sounds like it could be a driver issue. Do you know if there's a way to configure performance/power driver settings in Linux, like there is in Windows?

ermacaz
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RE: graphic artifacts on zandronum linux opengl

#6

Post by ermacaz » Sun Nov 10, 2013 4:05 am

infurnus wrote: Hmm, sounds like it could be a driver issue. Do you know if there's a way to configure performance/power driver settings in Linux, like there is in Windows?

Not that I know of but I can say with Windows booted and Intel driver set to power save mode there are no artifacts

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