Why does NonUniformResourceIndex require so many extensions?

[XavierCS-dev]

I am using descriptor indexing for an array of sampled image descriptors, and make use of NonUniformResourceIndex. However when compiling the shaders I get the following warning:

triangle.slang(36): warning 41012: entry point 'fragMain' uses additional capabilities that are not part of the specified profile 'spirv_1_4'. The profile setting is automatically updated to include these capabilities: 'SPV_KHR_non_semantic_info + SPV_GOOGLE_user_type + spvDerivativeControl + spvImageQuery + spvImageGatherExtended + spvSparseResidency + spvMinLod + spvFragmentFullyCoveredEXT + spvShaderNonUniformEXT'
float4 fragMain(VertexOutput inVert) : SV_Target
       ^~~~~~~~

In glsl I believe you only need to do:

#extension GL_EXT_nonuniform_qualifier : enable

So I was wondering why all of these spirv extensions were required.

[jkwak-work]

"capabilities" aren't same to "extensions".
"Capabilities" in this context is a Slang way of categorizing the functionalities.

If you emit to glsl or spirv, you will find that it will require only the ones necessary to require.

[XavierCS-dev]

Thanks, I forgot I asked this, I figured this out when looking at the spirv