[Bug 105770] GPU hangs if a shader uses a barrier and a single-plane rep of a multiplane image

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Mar 29 16:49:03 UTC 2018


--- Comment #6 from atomnuker at gmail.com ---
(In reply to Jason Ekstrand from comment #5)
> Given the sizes stated, I suspect we may be looking at a SIMD32 issue.

Certainly seems to be the case. Feeding in a 360x360 image (with a 16x16
workgroup size this results in 22.5 workgroups, which I align to the nearest
larger integer, so 23x23 workgroups) and mapping the luma plane as input_img
still makes it crash, so it's not related to chroma planes only. Feeding in
anything divisible by 16 doesn't make the GPU crash.

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