Comment # 5 on bug 101739 from ysblokje@gmail.com

(In reply to nadro-linux from comment #4)
> You can fix that issue by added this entry to drirc file:
> -------
> <application name="ARMA 3" executable="arma3.x86_64">
> <option name="glsl_correct_derivatives_after_discard" value="true"/>
> </application>
> -------
> I hope that it will be permanently added to mesa official drirc file.

I just tried this, has no effect for me. At least not on mesa 17.3.1