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nak: Call nir_lower_subgroups()

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24998>
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Faith Ekstrand 2023-10-23 10:36:59 -05:00 • committed by Marge Bot
parent bf8642e984
commit ce40d81d46
1 changed files with 13 additions and 0 deletions
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13
src/nouveau/compiler/nak_nir.c
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@ -215,6 +215,19 @@ nak_preprocess_nir(nir_shader *nir, const struct nak_compiler *nak)
OPT(nir, nir_lower_var_copies);
OPT(nir, nir_lower_system_values);
OPT(nir, nir_lower_compute_system_values, NULL);
const nir_lower_subgroups_options subgroups_options = {
.subgroup_size = 32,
.ballot_bit_size = 32,
.ballot_components = 1,
.lower_to_scalar = true,
.lower_vote_eq = true,
.lower_first_invocation_to_ballot = true,
.lower_read_first_invocation = true,
.lower_elect = true,
.lower_inverse_ballot = true,
};
OPT(nir, nir_lower_subgroups, &subgroups_options);
}
static uint16_t