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pan/bi: Add a bi_swizzle_from_half() helper

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Reviewed-by: Lorenzo Rossi <lorenzo.rossi@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40720>
This commit is contained in:
Faith Ekstrand 2026-03-28 22:06:33 -04:00 • committed by Marge Bot
parent 05c5e52054
commit 342e9ac7e8
1 changed files with 7 additions and 1 deletions
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8
src/panfrost/compiler/bifrost/compiler.h
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@ -139,6 +139,12 @@ bi_swizzle_to_byte_channels(enum bi_swizzle swizzle, unsigned *channels)
#undef B
}
static inline enum bi_swizzle
bi_swizzle_from_half(bool x, bool y)
{
return (enum bi_swizzle)(BI_SWIZZLE_H00 | (x << 1) | y);
}
/* Given a packed i16vec2/i8vec4 constant, apply a swizzle. Useful for constant
* folding and Valhall constant optimization. */
@ -336,7 +342,7 @@ static inline bi_index
bi_swz_16(bi_index idx, bool x, bool y)
{
assert(idx.swizzle == BI_SWIZZLE_H01);
idx.swizzle = (enum bi_swizzle)(BI_SWIZZLE_H00 | (x << 1) | y);
idx.swizzle = bi_swizzle_from_half(x, y);
return idx;
}