[Bug 103228] GPU hang in compute shader

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103228

--- Comment #1 from Steinar H. Gunderson <sgunderson at bigfoot.com> ---
Hm, after some research, it seems I cannot rely on compute shader invocations
not to stomp on each other, even from the same draw call. If I insert
glMemoryBarrier(GL_SHADER_STORAGE_BARRIER_BIT) between the two
glDispatchCompute() calls, it stops hanging.

Nevertheless, it's odd that adding an empty shader should cause the problem to
appear. I'm leaning towards not-a-bug, though.

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