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nir: teach nir_lower_bit_size to handle ballot and ballot_relaxed

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Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Eric R. Smith <eric.smith@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33365>
This commit is contained in:
Caterina Shablia
2025-01-29 20:41:09 +00:00
committed by Marge Bot
parent 279511bea0
commit ca9ff8c8c7
1 changed files with 14 additions and 0 deletions
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src/compiler/nir/nir_lower_bit_size.c
+14
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@@ -131,6 +131,20 @@ lower_intrinsic_instr(nir_builder *b, nir_intrinsic_instr *intrin,
unsigned bit_size)
{
switch (intrin->intrinsic) {
case nir_intrinsic_ballot:
case nir_intrinsic_ballot_relaxed: {
b->cursor = nir_before_instr(&intrin->instr);
nir_alu_type type = nir_type_uint;
if (intrin->src[0].ssa->bit_size == 1)
type = nir_type_bool;
nir_def *new_src = nir_convert_to_bit_size(b, intrin->src[0].ssa,
type, bit_size);
nir_src_rewrite(&intrin->src[0], new_src);
break;
}
case nir_intrinsic_read_invocation:
case nir_intrinsic_read_first_invocation:
case nir_intrinsic_shuffle: