Justin Wood (Callek) wrote:

> On 9/15/2011 2:04 PM, Philip TAYLOR (Webmaster, Ret'd) wrote:

>> about:config webgl.force-enabled ->  true appears to suffice :
>> I wonder why it is necessary ?
> 
> Its necessary because the driver/hardware combo you have is faulty in one of 
> possibly many ways.
> 
> It could be security flawed, allowing a code escalation at the driver level 
> in your driver. It could be graphic corruption level, causing your screen 
> display to misbehave (even outside of Firefox/SeaMonkey bounds).
> 
> It could be graphic escalation leakages, allowing SeaMonkey (and the webpage) 
> to send "back to server" information from other parts of your screen and 
> other open applications.
> 
> It could be simply crashy, causing many instability issues when coupled with 
> WebGL.
> 
> All of those reasons is why we block graphics/hardware. We do allow the 
> force_enabled for those cases where a developer/user wants to hack around 
> restrictions, or try to fix them at the Gecko Software Level. As well as for 
> when a website designer wants to utilize WebGL but his own hardware wants to 
> be blocked.

OK, thank you, that is both helpful and informative.

Now how do I go about finding out which of the
possibilities applies in the case of my hardware
(Asus Extreme AC300SE/T; PC Wizard 2010 reports
OpenGL supported) and driver software (ATI Catalyst [TM]
Control Center Version 2010.0210.2339.42455; ATI Driver
6.14.10.0310) ?

And does Seamonkey make this decision based on a probe,
or based on a blacklist, or based on a whitelist, or
on some other criterion ?

Philip Taylor

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