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2018-03-17 21:04 CET

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IDProjectCategoryView StatusLast Update
0001495OpenClonkEnginepublic2018-01-08 23:36
Assigned ToMortimer 
PrioritynormalSeverityminorReproducibilityhave not tried
PlatformVisual C++ 2008OSWindowsOS Version 
Product Version 
Target Version8.0Fixed in Version 
Summary0001495: Mac OpenGL problem?
DescriptionSomeone with a (new as he said) mac could not run the 7.0 dry release. Log:

[13:26:18] OpenClonk
[13:26:18] Version: 7.0-alpha0 mac mac-x86 (42a0c5d188c2)
[13:26:18] ExePath: "/Users/francis/Downloads/"
[13:26:18] SystemDataPath: "/Users/francis/Downloads/"
[13:26:18] UserDataPath: "/Users/francis/Library/Application Support/OpenClonk/"
[13:26:18] Command line: /Users/francis/Downloads/ -psn_0_381021
[13:26:18] gl: Create first context...
[13:26:18] GL 2.1 INTEL-10.12.13 on Intel HD Graphics 5000 OpenGL Engine (Intel Inc.)
[13:26:18] WARNING (particle system): Your graphics card does not support glPrimitiveRestartIndex - a (slower) fallback will be used!
[13:26:18] WARNING: Engine without Gamepad support
[13:26:18] Loading graphics...
[13:26:18] FATAL ERROR: Failed to initialize GLSL shaders
[13:26:18] Game cleared.
[13:26:18] Engine shut down.

I'm not sure if this is an outdated driver for him or something needs to be done in OC?

Here they suggest to add a parameter to glutInitDisplayMode:
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Attached Files




Etched (reporter)

Apple isn't working on OpenGL anymore. The OpenGL version is outdated. I think that's what's stopping me from running 7.0.


Isilkor (developer)

Last edited: 2015-12-15 18:57

View 2 revisions

We're probably going to revert the change that introduced the OGL 3.0 dependency for 7.0, and then roll out a more comprehensive solution to the problem aimed at a later version.

Also regarding the particle system fallback, although it's not the same bug: we can achieve the same behavior as glPrimitiveRestartIndex by emitting degenerate triangles.


Clonkonaut (developer)

Reminder sent to: Isilkor

Do you have any new information on this? Is this even a bug anymore? I suspect the mac version is broken anyway and we might just drop Mac support with the new release.


Isilkor (developer)

I don't have a mac, so I don't have any information about it.


Caesar (developer)

I'll close this, as I don't think we have the means to do anything about it right now.

-Issue History
Date Modified Username Field Change
2015-12-13 04:08 Sven2 New Issue
2015-12-13 04:09 Sven2 Assigned To => Mortimer
2015-12-13 04:09 Sven2 Status new => assigned
2015-12-13 04:35 Etched Note Added: 0004318
2015-12-15 18:52 Isilkor Note Added: 0004330
2015-12-15 18:57 Isilkor Note Edited: 0004330 View Revisions
2017-08-05 15:58 Maikel Target Version => 8.0
2017-10-26 15:35 Clonkonaut Note Added: 0005852
2017-10-26 18:48 Isilkor Note Added: 0005860
2018-01-08 23:36 Caesar Status assigned => closed
2018-01-08 23:36 Caesar Resolution open => suspended
2018-01-08 23:36 Caesar Note Added: 0006023
+Issue History