GLSL Link Program Error on Internet Explorer 11

[zglueck]

GLSL Link Program Error on Internet Explorer 11

[pdavidc]

Further investigation revealed that our use of the GLSL built-in variable gl_FrontFacing may be problematic on Win7/IE11 devices. We're continuing to investigate and will update this issue when we know more.

We're aware of at least one developer impacted by this issue, @gbchriste, and would appreciate hearing from anyone else unable to run World Wind on Win7/IE11.

[zglueck]

There was an additional statement in one our fragment shaders that our Windows7/IE11 test environment was throwing the same error. I've removed the statement in commit 3b75352

@gbchriste please try it out in your Win7/IE11 environment when you get a chance. It should resolve the issue you were seeing. If I here positively back from you I'll go ahead and close out this issue.

[gbchriste]

Will check it out tomorrow!
On Sep 20, 2016 2:59 PM, "Zach Glueckert" [email protected] wrote:

There was an additional statement in one our fragment shaders that our
Windows7/IE11 test environment was throwing the same error. I've removed
the statement in commit 3b75352
3b75352

@gbchriste https://github.com/gbchriste please try it out in your
Win7/IE11 environment when you get a chance. It should resolve the issue
you were seeing. If I here positively back from you I'll go ahead and close
out this issue.

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[AkeluX]

@zglueck do we have a confirmation that this is solved? Can we close the issue?

[zglueck]

@AkeluX all the testing we've conducted indicates this is solved, @gbchriste, who initially alerted us to the issue has run into some delays for testing in his specific environment, however, we did test on the a similar Win7/IE11 platform, so I think it would okay to go ahead and close it out. If we hear otherwise, we can just reopen.

[AkeluX]

Ok. Let's close it then.