[webkit-changes] [WebKit/WebKit] 1a6362: [WGSL] Initial support for arrays of packed structs

[Tadeu Zagallo]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 1a6362e1cd6b9e7d2cd503d5a6e75092541f1cd1
      https://github.com/WebKit/WebKit/commit/1a6362e1cd6b9e7d2cd503d5a6e75092541f1cd1
  Author: Tadeu Zagallo <tzagallo at apple.com>
  Date:   2023-06-14 (Wed, 14 Jun 2023)

  Changed paths:
    M Source/WebGPU/WGSL/AST/ASTStructure.h
    M Source/WebGPU/WGSL/GlobalVariableRewriter.cpp
    M Source/WebGPU/WGSL/Metal/MetalFunctionWriter.cpp
    M Source/WebGPU/WGSL/WGSLShaderModule.h
    M Source/WebGPU/WGSL/tests/valid/packing.wgsl

  Log Message:
  -----------
  [WGSL] Initial support for arrays of packed structs
https://bugs.webkit.org/show_bug.cgi?id=258010
rdar://110698511

Reviewed by Mike Wyrzykowski.

Continue expanding the types supported to be used in resources, with the correct
packing to match the spec.

* Source/WebGPU/WGSL/AST/ASTStructure.h:
* Source/WebGPU/WGSL/GlobalVariableRewriter.cpp:
(WGSL::RewriteGlobalVariables::pack):
(WGSL::RewriteGlobalVariables::packingForType):
(WGSL::RewriteGlobalVariables::collectGlobals):
(WGSL::RewriteGlobalVariables::packResource):
(WGSL::RewriteGlobalVariables::packStructResource):
(WGSL::RewriteGlobalVariables::packArrayResource):
(WGSL::RewriteGlobalVariables::updateReference):
(WGSL::RewriteGlobalVariables::packStructType):
(WGSL::RewriteGlobalVariables::packResourceStruct): Deleted.
* Source/WebGPU/WGSL/Metal/MetalFunctionWriter.cpp:
(WGSL::Metal::FunctionDefinitionWriter::write):
(WGSL::Metal::FunctionDefinitionWriter::emitNecessaryHelpers):
(WGSL::Metal::FunctionDefinitionWriter::visit):
* Source/WebGPU/WGSL/WGSLShaderModule.h:
(WGSL::ShaderModule::usesPackArray const):
(WGSL::ShaderModule::setUsesPackArray):
(WGSL::ShaderModule::clearUsesPackArray):
(WGSL::ShaderModule::usesUnpackArray const):
(WGSL::ShaderModule::setUsesUnpackArray):
(WGSL::ShaderModule::clearUsesUnpackArray):
* Source/WebGPU/WGSL/tests/valid/packing.wgsl:

Canonical link: https://commits.webkit.org/265145@main