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1d290bf5db
Looking at the implementation of shader_sm4_read_dcl_sampler(), vsir
stores the resource index range both in
vkd3d_shader_instruction.declaration.sampler.range
and in the
vkd3d_shader_instruction.declaration.sampler.src.reg.idx[1-2]
indexes, so we do the same.
It is also worth noting that for shader models lower than 5.1, vsir
has a normalization on the ins->declaration src register indexes.
Refer to the following comment:
/* SM5.1 places a symbol identifier in idx[0] and moves
* other values up one slot. Normalize to SM5.1. */
on shader_sm4_read_param().
This normalization is also added to the generated vsir instructions.