[Bug 105301] The big SKQP bug

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105301

Danylo <danylo.piliaiev at gmail.com> changed:

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                 CC|                            |danylo.piliaiev at gmail.com

--- Comment #22 from Danylo <danylo.piliaiev at gmail.com> ---
Hello Kenneth, I feel I have something to add:

> Note that the SKQP test is broken.  It's enabled dual source blend factors 
> (SRC1_COLOR etc.) but provided a shader that only writes one color output, when 
> it ought to write two colors.  For reference, the one that is hanging is the 
> fragment shader with the 'discard', which only outputs a single color

I have reported this hang some time ago in GL and in Vulkan:
https://bugs.freedesktop.org/show_bug.cgi?id=107088
https://bugs.freedesktop.org/show_bug.cgi?id=107306

(It looks like the case you are describing)

And made two patches respectively:
https://patchwork.freedesktop.org/series/45779/
https://patchwork.freedesktop.org/series/46931/

Hope this would help

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