[Bug 111467] WOLF RPG Editor + Gallium Nine Standalone: Rendering issue when using Iris driver

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111467

            Bug ID: 111467
           Summary: WOLF RPG Editor + Gallium Nine Standalone: Rendering
                    issue when using Iris driver
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
               URL: http://www.silversecond.com/WolfRPGEditor/Download.htm
                    l
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/Iris
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: kakurasan at gmail.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Created attachment 145134
  --> https://bugs.freedesktop.org/attachment.cgi?id=145134&action=edit
Actual rendering (Gallium Nine Standalone)

When Iris driver is used, rendering is incorrect. Interestingly, the rendering
is the same as D9VK: https://github.com/Joshua-Ashton/d9vk/issues/190

Steps to reproduce:
 1. Download WOLF RPG Editor (e.g. "WolfRPGEditor_210.zip") from
http://www.silversecond.com/WolfRPGEditor/Download.html [Note: Version 2.22 and
newer versions support D3D11 and setting "Old_DirectX_Use=1" in Game.ini is
needed to use D3D9]
 2. Unpack the file
 3. Run "winetricks galliumnine"
 4. Set wined3d renderer to "gdi" [Note: This is a workaround for "black
screen" issue in Gallium Nine, e.g. 'wine reg add "HKCU\Software\Wine\Direct3D"
/v "Renderer" /t REG_SZ /d "gdi"']
 5. Run "Game.exe" with "MESA_LOADER_DRIVER_OVERRIDE=iris"

I used to use Radeon HD 4200 before and WOLF RPG Editor was working with
Gallium Nine about 2.5 years ago (Modified version of Wine was used, not
current "stand-alone" releases). Since i965 driver isn't Gallium based, I was
not able to use Gallium Nine on my current machine.

System information:
 * HD 510 (Skylake)
 * Ubuntu 19.04 + libdrm 2.4.99 + Mesa 19.2.0-rc1 + Gallium Nine Standalone 0.4
+ Wine 4.0.1

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