[Bug 93357] [HSW] Unreal Atlantis demo - occasional corruption

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93357

            Bug ID: 93357
           Summary: [HSW] Unreal Atlantis demo - occasional corruption
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: imirkin at alum.mit.edu
        QA Contact: intel-3d-bugs at lists.freedesktop.org

I tried to capture screenshots, but was unsuccessful. There are occasional
blotches in the final images which look like random data, potentially resulting
from blit fail, resolve fail, etc. These mostly only happen in the first and
third/fourth scenes, not elsewhere. The corruption is reproducible (even looks
similar between runs, so perhaps not random after all?).

mesa commit 79bff488bc
Haswell gpu: 00:02.0 VGA compatible controller [0300]: Intel Corporation Xeon
E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller [8086:0412]
(rev 06)

DRI3-enabled DDX (in case it matters).

Demo downloadable from https://wiki.unrealengine.com/Linux_Demos

Run like this: ./Atlantis-Linux-Shipping ResX=640 ResY=480

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