[Bug 804329] Re: WebGL sites say it is disabled , but in config its not.

[madbiologist]

OK, that's kinda what I expected, based on what I remember from reading
the Mozilla website's pages on WebGL a while back.  I think the only
driver they tested and found to be good enough to enable by default was
the NVIDIA proprietary driver.  If you want, you can try the following:

1. Type about:config in Firefox's address bar
2. Type in the search box webgl
3. set webgl.force-enabled = true

Be aware that if you do this you may get rendering errors and/or
crashes.

Also see http://hacks.mozilla.org/2011/06/cross-domain-webgl-textures-
disabled-in-firefox-5/

UPDATE:  I've just found the relevant page on the Mozilla wiki - https://wiki.mozilla.org/Blocklisting/Blocked_Graphics_Drivers
Scroll down to the section titled "On X11".  Sure enough, on Firefox 5, only the NVIDIA proprietary driver is currently whitelisted because of many crashes in other drivers.  You can define the MOZ_GLX_IGNORE_BLACKLIST environment variable to bypass that, but you may get rendering errors or crashes.

On Firefox 6 things are improved and a recent ATI fglrx (Catalyst)
driver should work.

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Title:
  WebGL sites say it is disabled , but in config its not.

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