[Bug 93840] [i965] Alien: Isolation fails with GL_ARB_compute_shader enabled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93840

            Bug ID: 93840
           Summary: [i965] Alien: Isolation fails with
                    GL_ARB_compute_shader enabled
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: d.spitznagel at goodbytez.de
        QA Contact: intel-3d-bugs at lists.freedesktop.org

I tested this game with my Iris Pro 5200 (i965) and mesa master as
GL_ARB_compute_shader for Intel is ready there.

But the game quits right before the 20th Century Fox video should play.
When I disable compute_shader (MESA_EXTENSION_OVERRIDE=-GL_ARB_compute_shader)
I can get into the game but all I see are the legs from Ripley, the rest is
totally dark. Switching SSAO doesn't help.

I also did an apitrace with disabled compute_shader and can confirm, that the
game requests compute_shader right before the start of the 20th Century Fox
video.

I have posted this issue also here...
https://bugs.freedesktop.org/show_bug.cgi?id=93144
But as suggested by Alexandre Demers I created a new report for i965.

Maybe the game also needs GL_ARB_stencil_texturing which is ready for Intel
gen8 GPUs but not gen7 (like mine).
I write this because Shadow of Mordor also uses compute_shader but this games
works great on Intel gen7 and mesa master.

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