[Bug 93312] [SKL][GLES 3.1 CTS] ES31-CTS.layout_binding* GPU_HANG

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93312

--- Comment #6 from Jason Ekstrand <jason at jlekstrand.net> ---
(In reply to Kenneth Graunke from comment #4)
> I wonder if this is related to the GPU hang that Jason found a while back,
> where out of bounds values in an array (of say, samplers or images) can
> cause us to access an invalid surface...or a surface with a message that's
> invalid for that surface (i.e. try to use the sampler on a RAW surface).

Going off nothing but the test name and bug report, I think that's likely.

(In reply to Marta Löfstedt from comment #5)
> I am not sure, but maybe BUG 93407 is related to this. It is a SKL only
> failing test: ES31-CTS.compute_shader.resources-texture

Again, I haven't actually looked at the test, but based on names, that seems
like a reasonable guess.

If it is the bug Ken is referring to above, then it comes from doing an
out-of-bounds array access on an array of textures or buffers.  We need to add
some code to the glsl compiler that clamps array indices for arrays of external
resources to range [0, size).

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