[Bug 90749] [BDW Bisected]dEQP-GLES3.functional.rasterization.fbo.rbo_multisample_max.primitives.lines_wide fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90749

--- Comment #6 from Iago Toral <itoral at igalia.com> ---
I have attached two patches with two different solutions.

My understanding of the specs suggests that the dEQP test is bogus and the bad
commit is correct, so I guess we do not want to alter the behavior introduced
with that commit and we just want to silence the regressed dEQP test. In that
case Option 2) is preferred.

Option 1) would be preferred if we think the rules that govern wide-line
rendering when multisampling is enabled should be different (although I have
not seen anything like that in the spec) or if we see that Option 2) introduces
new regressions (I checked that it does not break any of the tests fixed with
the bad commit at least).

Lu Hua, can you check that the patch in Option 2) does effectively fix the
issue in BDW (I have tested in HSW only) and does not introduce new regressions
in dEQP?

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