RESOLVED FIXED265343
[WGSL] dot4U8Packed, dot4I8Packed do not appear to be implemented 
https://bugs.webkit.org/show_bug.cgi?id=265343
Summary [WGSL] dot4U8Packed, dot4I8Packed do not appear to be implemented
Mike Wyrzykowski
Reported 2023-11-25 19:41:36 PST
[WGSL] dot4U8Packed, dot4I8Packed do not appear to be implemented https://www.w3.org/TR/WGSL/#dot4U8Packed-builtin https://www.w3.org/TR/WGSL/#dot4I8Packed-builtin I think something like (pseudo-code): fn dot4U8Packed(e1: u32, e2: u32) -> u32 auto v1 = as_type<uint4>(e1); auto v2 = as_type<uint4>(e2); return dot(v1, v2); would work
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Radar WebKit Bug Importer
Comment 1 2023-11-25 19:41:51 PST
<rdar://problem/118796882>
Mike Wyrzykowski
Comment 2 2023-11-25 19:56:59 PST
No dot products for integer vector types in metal, so it would be something like: return v1[0] * v2[0] + v1[1] * v2[1] + v1[2] * v2[2] + v1[3] * v2[3];
Tadeu Zagallo
Comment 3 2024-01-09 05:08:21 PST
Pull request: https://github.com/WebKit/WebKit/pull/22508
EWS
Comment 4 2024-01-09 06:34:18 PST
Committed 272814@main (2d83031a0ec4): <https://commits.webkit.org/272814@main> Reviewed commits have been landed. Closing PR #22508 and removing active labels.
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