Bug 265343
| Summary: | [WGSL] dot4U8Packed, dot4I8Packed do not appear to be implemented | ||
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| Product: | WebKit | Reporter: | Mike Wyrzykowski <mwyrzykowski> |
| Component: | WebGPU | Assignee: | Tadeu Zagallo <tzagallo> |
| Status: | RESOLVED FIXED | ||
| Severity: | Normal | CC: | webkit-bug-importer |
| Priority: | P2 | Keywords: | InRadar |
| Version: | WebKit Nightly Build | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
Mike Wyrzykowski
[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
| Attachments | ||
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| Add attachment proposed patch, testcase, etc. |
Radar WebKit Bug Importer
<rdar://problem/118796882>
Mike Wyrzykowski
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
Pull request: https://github.com/WebKit/WebKit/pull/22508
EWS
Committed 272814@main (2d83031a0ec4): <https://commits.webkit.org/272814@main>
Reviewed commits have been landed. Closing PR #22508 and removing active labels.