[webkit-changes] [WebKit/WebKit] 776ed9: [WGSL] Add support for field access with packed types

[Tadeu Zagallo]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 776ed98f4d630cc6ac54d25cee46cee49a50af11
      https://github.com/WebKit/WebKit/commit/776ed98f4d630cc6ac54d25cee46cee49a50af11
  Author: Tadeu Zagallo <tzagallo at apple.com>
  Date:   2023-06-08 (Thu, 08 Jun 2023)

  Changed paths:
    M Source/WebGPU/WGSL/GlobalVariableRewriter.cpp
    M Source/WebGPU/WGSL/tests/valid/packing.wgsl

  Log Message:
  -----------
  [WGSL] Add support for field access with packed types
https://bugs.webkit.org/show_bug.cgi?id=257812
rdar://110406636

Reviewed by Dan Glastonbury.

Build onto PR#14736 and extend the support for packing/unpacking values resulting
from field accesses into packed/unpacked types.

* Source/WebGPU/WGSL/GlobalVariableRewriter.cpp:
(WGSL::RewriteGlobalVariables::pack):
(WGSL::RewriteGlobalVariables::getPacking):
(WGSL::RewriteGlobalVariables::packingForType):
* Source/WebGPU/WGSL/tests/valid/packing.wgsl:

Canonical link: https://commits.webkit.org/264978@main