Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 2459e1442e9d4021cbbacdc9114a51136d7a7d57
      
https://github.com/WebKit/WebKit/commit/2459e1442e9d4021cbbacdc9114a51136d7a7d57
  Author: Tadeu Zagallo <tzaga...@apple.com>
  Date:   2024-04-18 (Thu, 18 Apr 2024)

  Changed paths:
    M Source/WebGPU/WGSL/GlobalVariableRewriter.cpp
    M Source/WebGPU/WGSL/MangleNames.cpp
    M Source/WebGPU/WGSL/Metal/MetalFunctionWriter.cpp
    M Source/WebGPU/WGSL/tests/valid/access-expression.wgsl

  Log Message:
  -----------
  [WGSL] Field access should support pointers
https://bugs.webkit.org/show_bug.cgi?id=272838
rdar://126621076

Reviewed by Mike Wyrzykowski.

The WGSL spec was updated to support struct field access on pointers (e.g. 
(&x).y),
and while the type checker was updated to support it, there were a couple other
changes necessary:
- the renamer/mangler did not correctly rename the field when accessing a 
pointer
- the global rewriter asserted that the base should be either a reference or a 
struct
- the code generator was not emitting the correct code (i.e. x->y instead of 
x.y)

* Source/WebGPU/WGSL/GlobalVariableRewriter.cpp:
(WGSL::RewriteGlobalVariables::getPacking):
* Source/WebGPU/WGSL/MangleNames.cpp:
(WGSL::NameManglerVisitor::visit):
* Source/WebGPU/WGSL/Metal/MetalFunctionWriter.cpp:
(WGSL::Metal::FunctionDefinitionWriter::visit):
* Source/WebGPU/WGSL/tests/valid/access-expression.wgsl:

Canonical link: https://commits.webkit.org/277665@main



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