nir: add nir_intrinsic_interp_deref_at_vertex

From the SPV_AMD_shader_explicit_vertex_parameter extension:
   "Returns the value of the input <interpolant> without any
    interpolation, i.e. the raw output value of previous shader
    stage."

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3578>
This commit is contained in:
Samuel Pitoiset
2020-01-24 16:01:04 +01:00
committed by Marge Bot
parent 687f170311
commit d29f10a7ca
12 changed files with 34 additions and 13 deletions
@@ -80,6 +80,7 @@ nir_lower_array_deref_of_vec_impl(nir_function_impl *impl,
intrin->intrinsic != nir_intrinsic_interp_deref_at_centroid &&
intrin->intrinsic != nir_intrinsic_interp_deref_at_sample &&
intrin->intrinsic != nir_intrinsic_interp_deref_at_offset &&
intrin->intrinsic != nir_intrinsic_interp_deref_at_vertex &&
intrin->intrinsic != nir_intrinsic_store_deref)
continue;