[webkit-changes] [WebKit/WebKit] 2a1f4c: [WGSL] Validate swizzle beyond vector size

[Tadeu Zagallo]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 2a1f4cd6305a6108332ec18bd8353c673af195dd
      https://github.com/WebKit/WebKit/commit/2a1f4cd6305a6108332ec18bd8353c673af195dd
  Author: Tadeu Zagallo <tzagallo at apple.com>
  Date:   2023-05-25 (Thu, 25 May 2023)

  Changed paths:
    M Source/WebGPU/WGSL/TypeCheck.cpp
    M Source/WebGPU/WGSL/tests/invalid/vector.wgsl

  Log Message:
  -----------
  [WGSL] Validate swizzle beyond vector size
https://bugs.webkit.org/show_bug.cgi?id=257311
rdar://109819140

Reviewed by Mike Wyrzykowski.

We should validate that the vector swizzle member is within bounds, i.e. it's
invalid to use vec2.(z|w|b|a) and vec3.(w|a)

* Source/WebGPU/WGSL/TypeCheck.cpp:
(WGSL::TypeChecker::vectorFieldAccess):
* Source/WebGPU/WGSL/tests/invalid/vector.wgsl:

Canonical link: https://commits.webkit.org/264563@main