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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [i965] Alien: Isolation fails with GL_ARB_compute_shader enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93840#c11">Comment # 11</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [i965] Alien: Isolation fails with GL_ARB_compute_shader enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93840">bug 93840</a>
from <span class="vcard"><a class="email" href="mailto:eero.t.tamminen@intel.com" title="Eero Tamminen <eero.t.tamminen@intel.com>"> <span class="fn">Eero Tamminen</span></a>
</span></b>
<pre>(In reply to Darius Spitznagel from <a href="show_bug.cgi?id=93840#c10">comment #10</a>)
<span class="quote">> OpenGL renderer string: Mesa DRI Intel(R) Haswell Desktop
> OpenGL core profile version string: 3.3 (Core Profile) Mesa 12.1.0-devel
> (git-4c53267)</span >
I forgot you use Haswell, where Mesa doesn't yet expose GL GL 4.x required by
the game. Game developer has also stated (in <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [radeonsi] Alien: Isolation feature request"
href="show_bug.cgi?id=93144#c31">bug 93144 comment 31</a>) that the
game *requires* compute shaders (which you explicitly disable in first comment
of this bug).
The fp64 support still missing for GL 4.3 GEN7 shouldn't affect your game
though. Could you try the game also with:
MESA_GL_VERSION_OVERRIDE=4.3 MESA_GLSL_VERSION_OVERRIDE=430 ?</pre>
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