[Bug 107088] [GEN8+] Hang when discarding a fragment if dual source blending is enabled but shader doesn't support it

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107088

--- Comment #3 from Danylo <danylo.piliaiev at gmail.com> ---
(In reply to Eero Tamminen from comment #2)
> (In reply to Danylo from comment #0)
> > The hang was found in Unigine Heaven 4.0 running in dx11 mode under wine
> > during the investigation of the bug
> > https://bugs.freedesktop.org/show_bug.cgi?id=103556. I believe this two
> > hangs are separate issues since one in the original bug seems to happened
> > with native Unigine version and doesn't happen anymore.
> 
> Does Mesa use this drirc entry also when Heaven is run through Wine:
> ---------------------------------------------------------------
>         <application name="Unigine Heaven (64-bit)" executable="heaven_x64">
>             <option name="allow_glsl_extension_directive_midshader"
> value="true" />
>             <!-- remove dual_color_blend_by_location if 4.1 ever comes out
> -->
>             <option name="dual_color_blend_by_location" value="true" />
>         </application>
> ---------------------------------------------------------------
> ?

No, under Wine process is "heaven.exe".

> 
> (did you try native Heaven with Heaven drirc blend part commented out?)

When blend workaround is commented in drirc there is a hang.

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