[tbb-bugs] #22333 [Applications/Tor Browser]: Think about a way to restrict WebGL2 to a minimal mode

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue May 23 09:25:32 UTC 2017

#22333: Think about a way to restrict WebGL2 to a minimal mode
     Reporter:  gk                        |      Owner:  tbb-team
         Type:  task                      |     Status:  new
     Priority:  Medium                    |  Milestone:
    Component:  Applications/Tor Browser  |    Version:
     Severity:  Normal                    |   Keywords:  tbb-fingerprinting
Actual Points:                            |  Parent ID:
       Points:                            |   Reviewer:
      Sponsor:                            |
 In #16005 we made use of the miminal WebGL mode as a middle-ground for
 allowing WebGL while not being exposed to its fingerprinting capabilities.

 Now that WebGL2 is available (see #16404) we could think about doing
 something similar with the information exposed with it.

 However, it is not sure whether that is a viable solution at all for at
 least two reasons:

 1) There is no minimal mode in WebGL2 which would help us.
 2) WebGL2 provides probably more powerful and resource-hungry features.
 Harmonizing them across older and newer computers while keeping them still
 usable might be tricky.

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22333>
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