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Package dawn artifacts/required files into xcframework for easier integration#13

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fromNewChromantics:AddDylibDependency

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@SoylentGrahamSoylentGraham commentedNov 5, 2024•
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Improvement

These changes to the package setup mean thedylib, dawn headers, anddawn.json are all bundled into an.xcframework which SPM consumes quite nicely.

  • Now we don't need any files added to the sytem in/usr/local etc
    • dylib & dawn headers inxcframework
    • pkgconfig replaced withpublicHeadersPath andwebgpu.h to generate the webgpu symbols (egWGPUBool)
  • This can later move so thexcframework can come from an URL (ie. github workflow -> release, and automate creation from dawn's own code)
  • This now automatically includes thedylib into any product of a project that requires it (currently the setup fails as thedylib isn't bundled with any projects)
  • WebGPU C->Swift symbols now come viapublicHeadersPath inCWebGPU and requirewebgpu.h (and ONLY this header)

User Instructions

  • Build dawn as before, but copy
    • libwebgpu_dawn.dylib
    • dawn'sinclude/
    • dawn'sdawn.json
  • IntoSources/DawnNative/ and then runcd Soruces/DawnNaive && ./CreateXCFramework.sh
  • This will generate aSources/DawnNative/webgpu_dawn.xcframework
  • The Swift package then gets all it's dependencies from the xcframework when building

Todo

  • Make a seperate repos for xcframework generation
  • Update readme

@SoylentGrahamSoylentGraham marked this pull request as draftNovember 5, 2024 18:30
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SoylentGraham commentedNov 6, 2024•
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Currently xcode fails to Archive (for app store) any projects - not sure if this is related to my changes or not

dyld[38443]: Library not loaded: @rpath/ArgumentParser_39B7DAEE4DD359BE_PackageProduct.framework/Versions/A/ArgumentParser_39B7DAEE4DD359BE_PackageProduct  Referenced from: <BA83F552-06A5-33D1-B7AB-3C2508F3A7D9> /Volumes/Sandisk/Xcode_DerivedData/HenryBettsWebGpuDemo-doptxfxqkfjmwzefxxqpaktwloon/Build/Intermediates.noindex/ArchiveIntermediates/HenryBettsWebGpuDemo/IntermediateBuildFilesPath/UninstalledProducts/macosx/generate-webgpu  Reason: tried: '/usr/lib/swift/ArgumentParser_39B7DAEE4DD359BE_PackageProduct.framework/Versions/A/ArgumentParser_39B7DAEE4DD359BE_PackageProduct' (no such file, not in dyld cache), '/System/Volumes/Preboot/Cryptexes/OS/usr/lib/swift/ArgumentParser_39B7DAEE4DD359BE_PackageProduct.framework/Versions/A/ArgumentParser_39B7DAEE4DD359BE_PackageProduct' (no such file), '/usr/lib/swift/ArgumentParser_39B7DAEE4DD359BE_PackageProduct.framework/Versions/A/ArgumentParser_39B7DAEE4DD359BE_PackageProduct' (no such file, not in dyld cache), '/System/Volumes/Preboot/Cryptexes/OS/usr/lib/swift/ArgumentParser_39B7DAEE4DD359BE_PackageProduct.framework/Versions/A/ArgumentParser_39B7DAEE4DD359BE_PackageProduct' (no such file)/Volumes/Sandisk/Xcode_DerivedData/HenryBettsWebGpuDemo-doptxfxqkfjmwzefxxqpaktwloon/Build/Intermediates.noindex/ArchiveIntermediates/HenryBettsWebGpuDemo/IntermediateBuildFilesPath/swift-webgpu.build/Release/WebGPU.build/Script-16908758398532019134.sh: line 20: 38443 Abort trap: 6           /usr/bin/sandbox-exec -p "(version 1)

edit: same error when buildingrelease

…bgpu exe - the@rpath config is weirdly missing from xcode when in releasehenrybetts#17
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To get the right artifacts, after building via ninja (as per current instructions), I cannot find the correct artifacts...
only when doingsudo ninja install can I find the.dylib and the correct includes.

todo:

  • Find where this dylib is (doesinstall do a final link??) and dont require/usr/lib install
  • find out which are the correct includes to be used with this script

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SoylentGraham commentedNov 12, 2024•
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Current setup is building a hardcoded path to/Volumes/Code/dawn/out/Release/src/dawn/platform/libdawn_platform.dylib inlibwebgpu_dawn.framework/webgpu_dawn so clearing out dawn artifacts (or using on another system) fails

Need to fix this

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