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IDProjectCategoryView StatusDate SubmittedLast Update
0002965Zandronum[All Projects] Bugpublic2016-12-24 10:312023-10-03 21:36
Assigned To 
PlatformLinuxOSLinux Mint MATE 64-bitOS Version18
Product Version2.1 
Target VersionFixed in Version 
Summary0002965: Multi Monitor Bug
DescriptionEvery time zandronum is stared up it tries to display across multiple monitors instead of going to the primary monitor as intended.

vid_displayadapters shows: Multi monitor support unavailable
vid_adapter shows: Unknown command "vid_adapter"

Steps To ReproduceHave 3 monitors, 2 of them be 1920x1080 and have the primary be 1920x1200
Set resolution to 1920x1200 and enable full screen, have it work as intended.
Close out of zandronum and restart it enjoy stretched console and crash.
Additional InformationHave not tested with just 2 monitors or any more than 3.

Screenshot right before it crashes and what the behavior is upon connecting
' [^]'

I have also uploaded my configuration file for further information to see if anything is set incorrectly.
Attached Files? file icon zandronum.ini [^] (14,909 bytes) 2016-12-24 10:31

- Relationships

-  Notes
User avatar (0016545)
Edward-san (developer)
2016-12-24 11:11

Is the behavior any different from latest Zandronum 3.0 beta or GZDoom 1.8.6?
User avatar (0016546)
Polygon (reporter)
2016-12-24 12:52

I have not tested these and I wouldn't know how. I just started using linux recently and don't want to risk messing anything up further.
User avatar (0016547)
Edward-san (developer)
2016-12-24 13:17

Zandronum 3.0 beta for linux is available here. Extract it in any folder (better somewhere in your home directory) and run it normally.
User avatar (0016548)
Polygon (reporter)
2016-12-24 14:53

Testing using Zandronum 3.0 beta has produced this hilarious result.
' [^]'

Resolutions are kind of messed up. When fullscreen it doesn't show the 1920x1200 option even if I only have 16:10 resolutions selected to show.
User avatar (0016549)
Edward-san (developer)
2016-12-24 15:58

This is going to be problematic, because I don't have a multi monitor and I guess no other developer does.
If you want to see this fixed, you have to compile the program (and GZDoom 1.8.6, its source is here) by yourself and report any difference regarding this problem.

In case you can reproduce the issue with GZDoom 1.8.6, you need to check GZDoom 2.2.0 (the source is here).

I don't have the time right now to help more than this, sorry.
User avatar (0022172)
Zardoz (reporter)
2022-03-28 19:30

Well. I was toying with the latest code of GZDoom to add the support of vid_adapter on Linux, and it's easy if you are using SDL2 (Also, it never showed the hilarious behaviors of Zandronum even without my changes). SDL1.2 looks that not have support for multi-monitor setups.

I really suggest to migrate to SDL2 ASAP. Not only improves the multi-monitor setups a lot, also fixes the annoying bug with the keyboard input becoming randomly unresponsive on Linux (a SDL 1.2 bug that looks that would be never fixed)
User avatar (0022191)
RushJet1 (reporter)
2022-04-15 17:41

I mean based on his screenshot there, this is almost a feature assuming it runs. Just make the FOV 120 or 150 or something and you have surround gaming :)
User avatar (0022199)
tayst (reporter)
2022-05-01 20:43

Running into the same issue on Manjaro XFCE Linux 64-bit with 2 monitors.
User avatar (0022915)
RushJet1 (reporter)
2023-10-03 21:36

workaround: set to windowed, set to the same res as your screen. then run this command.

xprop -f _MOTIF_WM_HINTS 32c -set _MOTIF_WM_HINTS "0x2, 0x0, 0x2, 0x0, 0x0"

it will turn your mouse into a crosshair. click on the zandronum window and it will remove your titlebar. I have this set to a hotkey in my OS so i don't have to run it manually.

Issue Community Support
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Supporters: Zardoz tayst
Opponents: No one explicitly opposes this issue yet.

- Issue History
Date Modified Username Field Change
2016-12-24 10:31 Polygon New Issue
2016-12-24 10:31 Polygon File Added: zandronum.ini
2016-12-24 11:11 Edward-san Note Added: 0016545
2016-12-24 11:11 Edward-san Status new => feedback
2016-12-24 12:52 Polygon Note Added: 0016546
2016-12-24 12:52 Polygon Status feedback => new
2016-12-24 13:17 Edward-san Note Added: 0016547
2016-12-24 13:17 Edward-san Status new => feedback
2016-12-24 14:53 Polygon Note Added: 0016548
2016-12-24 14:53 Polygon Status feedback => new
2016-12-24 15:58 Edward-san Note Added: 0016549
2016-12-24 15:58 Edward-san Status new => feedback
2022-03-28 19:30 Zardoz Note Added: 0022172
2022-04-15 17:41 RushJet1 Note Added: 0022191
2022-05-01 20:43 tayst Note Added: 0022199
2023-10-03 21:36 RushJet1 Note Added: 0022915

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