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nak: Simplify 16-bit vector selection to not use try_from

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Signed-off-by: Mary Guillemard <mary.guillemard@collabora.com>
Reviewed-by: M Henning <drawoc@darkrefraction.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32679>
This commit is contained in:
Mary Guillemard 2024-12-17 15:45:03 +01:00
parent 979dfaf0bb
commit 631bea2e02
1 changed files with 2 additions and 3 deletions
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5
src/nouveau/compiler/nak/from_nir.rs
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@ -590,10 +590,9 @@ impl<'a> ShaderFromNir<'a> {
let sc = dc * 2 + w;
if sc < srcs.len() {
let (ssa, byte) = srcs[sc];
let w_u8 = u8::try_from(w).unwrap();
psrc[w] = ssa.into();
psel[w * 2 + 0] = (w_u8 * 4) + byte;
psel[w * 2 + 1] = (w_u8 * 4) + byte + 1;
psel[w * 2 + 0] = (w as u8 * 4) + byte;
psel[w * 2 + 1] = (w as u8 * 4) + byte + 1;
}
}
comps.push(b.prmt(psrc[0], psrc[1], psel)[0]);