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nak/nir: Zero-pad subgroup masks

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24998>
This commit is contained in:
Faith Ekstrand 2023-10-24 14:24:13 -05:00 • committed by Marge Bot
parent 37de14e2e2
commit 3df9065296
1 changed files with 22 additions and 6 deletions
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28
src/nouveau/compiler/nak_nir.c
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@ -432,18 +432,34 @@ nak_nir_lower_system_value_intrin(nir_builder *b, nir_intrinsic_instr *intrin,
break;
}
case nir_intrinsic_load_subgroup_eq_mask:
case nir_intrinsic_load_subgroup_lt_mask:
case nir_intrinsic_load_subgroup_le_mask:
case nir_intrinsic_load_subgroup_gt_mask:
case nir_intrinsic_load_subgroup_ge_mask: {
const gl_system_value sysval =
nir_system_value_from_intrinsic(intrin->intrinsic);
const uint32_t idx = nak_sysval_sysval_idx(sysval);
val = nir_load_sysval_nv(b, 32, .base = idx,
.access = ACCESS_CAN_REORDER);
/* Pad with 0 because all invocations above 31 are off */
if (intrin->def.bit_size == 64) {
val = nir_u2u32(b, val);
} else {
assert(intrin->def.bit_size == 32);
val = nir_pad_vector_imm_int(b, val, 0, intrin->def.num_components);
}
break;
}
case nir_intrinsic_load_subgroup_invocation:
case nir_intrinsic_load_helper_invocation:
case nir_intrinsic_load_invocation_id:
case nir_intrinsic_load_local_invocation_index:
case nir_intrinsic_load_local_invocation_id:
case nir_intrinsic_load_workgroup_id:
case nir_intrinsic_load_workgroup_id_zero_base:
case nir_intrinsic_load_subgroup_eq_mask:
case nir_intrinsic_load_subgroup_lt_mask:
case nir_intrinsic_load_subgroup_le_mask:
case nir_intrinsic_load_subgroup_gt_mask:
case nir_intrinsic_load_subgroup_ge_mask: {
case nir_intrinsic_load_workgroup_id_zero_base: {
const gl_system_value sysval =
intrin->intrinsic == nir_intrinsic_load_workgroup_id_zero_base ?
SYSTEM_VALUE_WORKGROUP_ID :