[Webkit-unassigned] [Bug 199215] [WHLSL] Matrix indexing should match HLSL [row][column], but MSL uses [column][row]

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Jul 3 19:29:20 PDT 2019


--- Comment #9 from Justin Fan <justin_fan at apple.com> ---
(In reply to Justin Fan from comment #8)
> This means: this patch must ensure that WHLSL indexing behavior matches
> HLSL, if we are going with HLSL source-compatibility. The underlying memory
> layout should not need change.

e.g. in WHLSL, result[0][0] gives [1, 2, 3, 4] when it should return [1, 5, 9, 13].

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