Re: [PATCH v11 0/5] MR225: vkd3d-shader/tpf: Read complete swizzle/mask info from parameter tokens.

[Henri Verbeet (＠hverbeet)]

> Subject: [PATCH 1/5] vkd3d-shader/spirv: Emit an error if a case value is not
>  a constant.
>
> This is not validated earlier, so an assertion should not be used.

Should it have been validated earlier though? I.e., can a valid shader cause us to get here, or is this necessarily the result of invalid vsir produced from invalid tpf or d3dbc?