[Bug 96346] [SNB,CTS] es2-cts.gtf.gl.atan regression

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96346

--- Comment #1 from Mark Janes <mark.a.janes at intel.com> ---
bisect confirmed at:

i965/fs: Allow scalar source regions on SNB math instructions.

I haven't found any evidence that this isn't supported by the
hardware, in fact according to the SNB hardware spec:

 "The supported regioning modes for math instructions are align16,
  align1 with the following restrictions:
   - Scalar source is supported.
  [...]
   - Source and destination offset must be the same, except the case of
     scalar source."

Cc: "12.0" <mesa-stable at lists.freedesktop.org>
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>
Reviewed-by: Matt Turner <mattst88 at gmail.com>

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