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nir: simplify nir_build_write_masked_store()

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Suggested-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Acked-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25860>
This commit is contained in:
Timothy Arceri 2023-10-25 10:58:09 +11:00 • committed by Marge Bot
parent 0470f8f737
commit 4382bd8a34
1 changed files with 3 additions and 6 deletions
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9
src/compiler/nir/nir_builder.h
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@ -1648,12 +1648,9 @@ nir_build_write_masked_store(nir_builder *b, nir_deref_instr *vec_deref,
unsigned num_components = glsl_get_components(vec_deref->type);
assert(num_components > 1 && num_components <= NIR_MAX_VEC_COMPONENTS);
nir_def *u = nir_undef(b, 1, value->bit_size);
nir_def *comps[NIR_MAX_VEC_COMPONENTS];
for (unsigned i = 0; i < num_components; i++)
comps[i] = (i == component) ? value : u;
nir_def *vec = nir_vec(b, comps, num_components);
nir_def *vec =
nir_vector_insert_imm(b, nir_undef(b, num_components, value->bit_size),
value, component);
nir_store_deref(b, vec_deref, vec, (1u << component));
}