Posted by Wade Walker on Apr 12, 2016; 1:05am
URL: https://forum.jogamp.org/Access-cl-kernel-preferred-work-group-size-multiple-tp4036591p4036592.html

You're right, it looks like we're missing a method here. I'll put in a fix. I've created a bug report at https://jogamp.org/bugzilla/show_bug.cgi?id=1302, so please add yourself to the CC list if you want to be notified.

It looks like the only short-term workaround would be for you to compile JOCL yourself (or to just plug a constant value in there for now, or use Java reflection to get around the restriction against calling private methods). But this is an easy fix, I should be able to knock it out this weekend. I might have to send you the new files directly though, it seems like our central build system is offline for some reason.