[Bug 109404] [ANV] The Witcher 3 shadows flickering

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109404

            Bug ID: 109404
           Summary: [ANV] The Witcher 3 shadows flickering
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Vulkan/intel
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: nagrigoriadis at gmail.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org
                CC: jason at jlekstrand.net

Created attachment 143177
  --> https://bugs.freedesktop.org/attachment.cgi?id=143177&action=edit
vulkaninfo

When playing The Witcher 3 (from Steam) on a Kabylake Core i7-8650U on a Dell
notebook with a UHD620 I get a weird texture flickering when items are in
shadow.
Generally the game is too dark,
I did a video recording
https://drive.google.com/open?id=1MohQ4EGNQ94PDaS6a9wbjy5yIdYirE5G to highlight
the issue.

This is using DXVK 0.94 bundled with Proton 3.16-6.
Software information

The Witcher 3 from Steam, 1280x720 all lowest except for texture resolution
which is medium.

System information:
    GPU: Intel UHD620
    Driver: AMV from mesa git (also happened on MESA 18.3.0)
    Wine version: Wine 3.16 bundles with Proton 3.16-6
    DXVK version: DXVK 0.94 bundled with Proton 3.16-6
    OS: Gentoo Linux, 4.20.1 (and the same on 4.19.8), KDE5 desktop with
compositing disabled.

Initially reported here: https://github.com/doitsujin/dxvk/issues/876

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