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nir/lower_alu_width: emit f2f32 for unpack_half_2x16

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Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39511>
This commit is contained in:
Georg Lehmann 2026-01-24 17:24:54 +01:00 • committed by Marge Bot
parent b18d9c1b33
commit 609c46cf23
1 changed files with 3 additions and 3 deletions
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6
src/compiler/nir/nir_lower_alu_width.c
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@ -279,10 +279,10 @@ lower_alu_instr_width(nir_builder *b, nir_instr *instr, void *_data)
if (!b->shader->options->lower_unpack_half_2x16)
return NULL;
nir_def *packed = nir_ssa_for_alu_src(b, alu, 0);
nir_def *unpacked = nir_unpack_32_2x16(b, nir_ssa_for_alu_src(b, alu, 0));
return nir_vec2(b,
nir_unpack_half_2x16_split_x(b, packed),
nir_unpack_half_2x16_split_y(b, packed));
nir_f2f32(b, nir_channel(b, unpacked, 0)),
nir_f2f32(b, nir_channel(b, unpacked, 1)));
}
case nir_op_pack_uvec2_to_uint: {