[tbb-bugs] #27290 [Applications/Tor Browser]: WebGL is broken in Tor Browser 8

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#27290: WebGL is broken in Tor Browser 8
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 Reporter:  gk                              |          Owner:  tbb-team
     Type:  defect                          |         Status:
                                            |  needs_revision
 Priority:  High                            |      Milestone:
Component:  Applications/Tor Browser        |        Version:
 Severity:  Normal                          |     Resolution:
 Keywords:  ff60-esr, TorBrowserTeam201809  |  Actual Points:
Parent ID:                                  |         Points:
 Reviewer:                                  |        Sponsor:
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Comment (by arthuredelstein):

 Replying to [comment:6 gk]:
 > Surprisingly, this does not fix the issue for me. First of all, flipping
 that pref alone is not enough. We seem to set that pref in Torbutton as
 well
 (https://gitweb.torproject.org/torbutton.git/tree/src/chrome/content/torbutton.js#n1517)
 and it is clobbering the value again.

 I had missed this usage. We should remove that line as well. I will post a
 patch when I have a full solution.

 > But even with that fixed I can't get the demos on
 http://webglsamples.org/aquarium/aquarium.html to run.

 Well, this is interesting. It turns out disabling the pref fixes the
 problem in 8.0 (stable) but doesn't fix it in 8.5a1. Still investigating.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27290#comment:7>
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