[Bug 95530] Stellaris - colored overlay of sectors doesn't render on i965

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95530

--- Comment #8 from Pierre Moreau <pierre.morrow at free.fr> ---
(In reply to Jacek Konieczny from comment #6)
> For me the upgrade to 12.0.0-rc2 fixed the problem on my Haswell laptop, but
> when I did the same on my daughter's PC (Skylake) it didn't work – the
> borders are there, but all grey and hardly visible.
> 
> There is still something wrong, within the game or the driver.
> 
> I tried to force OpenGL 4.3 on Haswell and OpenGL 3.3 on Skylake (to make
> sure I test with the same version), but in both cases setting the
> MESA_GL_VERSION_OVERRIDE and MESA_GLSL_VERSION_OVERRIDE environment
> variables caused the game to crash on startup.

The game is using OpenGL 2.1:ish according to the developers, so forcing to
anything above OpenGL 3.1 will result in the creation of a core profile, which
is incompatible with OpenGL <= 3.0.

Tested with Mesa 13.0.0, 13.0.1 and bf75ef3: I can’t seem to reproduce the
error when running the game, even if I was able to 10 days ago (on an Haswell
Iris Pro 5200). I reverted back to the version of Mesa and Stellaris I assume I
was running at the time, but it still worked. Replaying both traces linked to
this bug report do produce the artefacts, even with the latest HEAD (bf75ef3).

(In reply to Christopher James Halse Rogers from comment #7)
> Confirmed broken on my Haswell as of mesa g5921f37. I likewise have a trace
> at https://cooperteam.net/stellaris.trace ; this plays back correctly on
> radeon and llvmpipe but doesn't show the empire colours on my Iris Pro 5200
> i965.

Does it still happen with Mesa 12.x or 13.0.x?

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