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IDProjectCategoryView StatusDate SubmittedLast Update
0002626Zandronum[All Projects] Bugpublic2016-02-10 09:072016-02-11 07:11
Reporterthrowaway 
Assigned ToTorr Samaho 
PrioritynormalSeverityminorReproducibilityN/A
StatusassignedResolutionopen 
PlatformOSOS Version
Product Version 
Target VersionFixed in Version 
Summary0002626: Implement uncapped framerate sutter fix for OpenGL
Description'http://forum.zdoom.org/viewtopic.php?f=2&t=46685 [^]'

The stutter is unbearable. Not much to say about this that isn't included in the forum post.
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-  Notes
User avatar (0014406)
throwaway (reporter)
2016-02-10 09:41
edited on: 2016-02-10 10:55

Actually, the patch linked there doesn't work. I fixed it.

'https://gist.github.com/anonymous/c5b3e71bf77b5e4f25ab [^]'

Testing this patch - it seems to produce the desired effect.

The only thing I can see causing complications is future merges affecting src/sdl/i_system.cpp.

edit: I assume this doesn't occur on Windows, due to not using SDL.

edit 2: The above patch only works on the zandronum-stable repo - which doesn't need the patch anyway, as the stuttering was introduced in GZDoom's renderer around the time of ZDoom 2.7 if I remember correctly. I'm currently working on making the patch compatible with the zandronum repo. Really shouldn't be hard.

edit 3: The below patch works in the current zandronum repo, and produces the desired results (removing the stutter).

'https://gist.github.com/anonymous/86f8d963dad4fb213a44 [^]'

(95% of the time spent adapting it was dealing with FMod)

User avatar (0014408)
Dusk (developer)
2016-02-10 12:45
edited on: 2016-02-10 12:46

The patch seems identical to me, aside from the context. Does this mean we could just transplant'https://bitbucket.org/Torr_Samaho/zandronum-zdoom-sync/commits/af5f4056846562ae1111b5f1b2764755d22e2f66 [^]' to fix this?

User avatar (0014416)
throwaway (reporter)
2016-02-10 19:39

Yeah, that should work. It's what I changed, and the stuttering disappeared.

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- Issue History
Date Modified Username Field Change
2016-02-10 09:07 throwaway New Issue
2016-02-10 09:41 throwaway Note Added: 0014406
2016-02-10 09:42 throwaway Note Edited: 0014406 View Revisions
2016-02-10 09:46 throwaway Note Edited: 0014406 View Revisions
2016-02-10 10:05 throwaway Note Edited: 0014406 View Revisions
2016-02-10 10:47 throwaway Note Edited: 0014406 View Revisions
2016-02-10 10:55 throwaway Note Edited: 0014406 View Revisions
2016-02-10 12:45 Dusk Note Added: 0014408
2016-02-10 12:46 Dusk Note Edited: 0014408 View Revisions
2016-02-10 12:46 Dusk Severity feature => minor
2016-02-10 12:46 Dusk Category Suggestion => Bug
2016-02-10 19:39 throwaway Note Added: 0014416
2016-02-11 07:11 Dusk Assigned To => Torr Samaho
2016-02-11 07:11 Dusk Status new => assigned






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