diff options
Diffstat (limited to 'src/compiler/nir/nir_lower_subgroups.c')
-rw-r--r-- | src/compiler/nir/nir_lower_subgroups.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_lower_subgroups.c b/src/compiler/nir/nir_lower_subgroups.c index acc6ed9a36e..e45a7d723ac 100644 --- a/src/compiler/nir/nir_lower_subgroups.c +++ b/src/compiler/nir/nir_lower_subgroups.c @@ -244,6 +244,16 @@ lower_subgroups_intrin(nir_builder *b, nir_intrinsic_instr *intrin, return nir_bit_count(b, nir_iand(b, int_val, mask)); } + case nir_intrinsic_elect: { + nir_intrinsic_instr *first = + nir_intrinsic_instr_create(b->shader, + nir_intrinsic_first_invocation); + nir_ssa_dest_init(&first->instr, &first->dest, 1, 32, NULL); + nir_builder_instr_insert(b, &first->instr); + + return nir_ieq(b, nir_load_subgroup_invocation(b), &first->dest.ssa); + } + default: break; } |