[Bug 109630] vkQuake flickering geometry under Intel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109630

--- Comment #12 from Svenn-Arne Dragly <dragly at cognite.com> ---
Thanks for pointing out that this is a likely duplicate of Bug 111267!

I should probably add that the compute pass is strictly necessary to reproduce
the bug in my case as well. Removing the empty compute pass also removes the
flickering.

I am not sure if the following is related, but in a different application I am
also experiencing that two subsequent compute passes are "overlapping" on this
driver. This is even though barriers should have been properly inserted between
them. Running this application on an older machine with Intel graphics or on an
Nvidia card works fine. And by overlapping, I mean that if I am writing to the
same buffer in both compute shaders, the output of the first shader sometimes
ends up being stored in the buffer at the end of some frames. Kind of like a
flicker.

Again, I am not sure if it is related or helps in any way. Let me know if I can
provide any more details.

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