Re: [PATCH v9 0/6] MR569: tests/shader_runer: Support SRV buffers.

[Zebediah Figura (＠zfigura)]

> I prefer adding the entries instead of accessing the array using `sampler_dim - 2`, because the `- 2` is not very telling.

I'd just leave them empty/unspecified, or in this case I guess set them to zero.

Alternatively we could move them to the end of the enum. Or even think about removing them from it entirely; they pretty much don't act like normal HLSL_TYPE_TEXTURE in any way I think?