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iChris4andClaude Opus 5
4504a5a67d
Dawn's install produces only its own DLL, but this package replaces dawn_prebuilt wholesale and LocalBuild.ps1 copies dxcompiler.dll and dxil.dll out of it into the product. Dawn loads those at run time instead of importing them, so a package without them builds and installs cleanly and then fails to compile shaders on D3D12. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
69 lines
4.0 KiB
PowerShell
69 lines
4.0 KiB
PowerShell
# Builds the pinned Dawn DLL with Aurora's native Windows Vulkan/OpenXR bridge.
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# Run on a maintainer machine with VS 2022 C++ tools, CMake, Git and Python 3.
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[CmdletBinding()]
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param(
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[string]$WorkDirectory = (Join-Path $PSScriptRoot 'artifacts\dawn-vulkan-build'),
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[string]$Destination = (Join-Path $PSScriptRoot 'artifacts\dawn-vulkan'),
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# Source of the DirectX shader compiler DLLs, which Dawn's install does not produce.
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[string]$StockDawnDirectory = (Join-Path $PSScriptRoot 'artifacts\dependencies\dawn_prebuilt'),
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[string]$Python = 'python',
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[int]$Jobs = 8
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)
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$ErrorActionPreference = 'Stop'
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Set-StrictMode -Version 3.0
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$revision = '13abc3bc8ea2d3c2050f9e77a12d012108ceee24'
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$archiveHash = '713bea5b92d4f6c5175752fd7cbf1c3c5ce36598ff5dd98685d8a1216614ebba'
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$WorkDirectory = [IO.Path]::GetFullPath($WorkDirectory)
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$Destination = [IO.Path]::GetFullPath($Destination)
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[IO.Directory]::CreateDirectory($WorkDirectory) | Out-Null
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$archive = Join-Path $WorkDirectory 'dawn-source.tar.gz'
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if (-not (Test-Path -LiteralPath $archive)) {
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Invoke-WebRequest "https://github.com/google/dawn/archive/$revision.tar.gz" -OutFile $archive -UseBasicParsing
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}
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if ((Get-FileHash -LiteralPath $archive -Algorithm SHA256).Hash.ToLowerInvariant() -ne $archiveHash) {
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throw 'Dawn source archive does not match the pinned SHA-256.'
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}
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$source = Join-Path $WorkDirectory "dawn-$revision"
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if (-not (Test-Path -LiteralPath $source)) {
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# Single quotes inside: Windows PowerShell drops the inner double quotes when it builds a
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# native command line, and Python then reads filter=data as a name.
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& $Python -c "import sys,tarfile; tarfile.open(sys.argv[1]).extractall(sys.argv[2], filter='data')" $archive $WorkDirectory
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if ($LASTEXITCODE -ne 0) { throw 'Dawn source extraction failed (Python 3.12+ required).' }
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}
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$patch = Join-Path $PSScriptRoot '..\aurora-main\patches\dawn\apply.py'
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& $Python $patch $source
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if ($LASTEXITCODE -ne 0) { throw 'Applying the Aurora Dawn bridge failed.' }
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$build = Join-Path $WorkDirectory 'build'
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& cmake -S $source -B $build -G 'Visual Studio 17 2022' -A x64 `
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"-DPython3_EXECUTABLE=$Python" -DDAWN_FETCH_DEPENDENCIES=ON `
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-DDAWN_BUILD_MONOLITHIC_LIBRARY=SHARED -DDAWN_ENABLE_INSTALL=ON `
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-DDAWN_BUILD_SAMPLES=OFF -DDAWN_BUILD_TESTS=OFF -DDAWN_BUILD_BENCHMARKS=OFF `
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-DTINT_BUILD_TESTS=OFF -DTINT_BUILD_CMD_TOOLS=OFF -DDAWN_USE_GLFW=OFF `
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-DDAWN_ENABLE_D3D11=OFF -DDAWN_ENABLE_D3D12=ON -DDAWN_ENABLE_VULKAN=ON `
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-DDAWN_ENABLE_DESKTOP_GL=OFF -DDAWN_ENABLE_OPENGLES=OFF "-DCMAKE_INSTALL_PREFIX=$Destination"
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if ($LASTEXITCODE -ne 0) { throw 'Dawn configuration failed.' }
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& cmake --build $build --config Release --parallel $Jobs
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if ($LASTEXITCODE -ne 0) { throw 'Dawn build failed.' }
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& cmake --install $build --config Release
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if ($LASTEXITCODE -ne 0) { throw 'Dawn installation failed.' }
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$dll = Join-Path $Destination 'bin\webgpu_dawn.dll'
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if (-not (Test-Path -LiteralPath $dll)) { throw "Dawn DLL missing: $dll" }
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# Dawn's own install stages only its DLL, but this package replaces dawn_prebuilt wholesale and
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# LocalBuild.ps1 copies the DirectX shader compiler out of it into the product. Dawn loads those
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# two at run time rather than importing them, so leaving them out breaks D3D12 shader compilation
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# long after installation instead of failing here.
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foreach ($name in @('dxcompiler.dll', 'dxil.dll')) {
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if (Test-Path -LiteralPath (Join-Path $Destination "bin\$name")) { continue }
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$stock = Join-Path $StockDawnDirectory "bin\$name"
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if (-not (Test-Path -LiteralPath $stock)) {
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throw "The pinned Dawn package has no $name; point -StockDawnDirectory at the prepared dawn_prebuilt."
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}
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Copy-Item -LiteralPath $stock -Destination (Join-Path $Destination 'bin')
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}
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[ordered]@{
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SourceRevision = $revision
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AuroraVulkanAbi = 1
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DllSha256 = (Get-FileHash -LiteralPath $dll -Algorithm SHA256).Hash.ToLowerInvariant()
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} | ConvertTo-Json | Set-Content -LiteralPath (Join-Path $Destination 'aurora-vulkan.json') -Encoding UTF8
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Write-Host "Custom Dawn package ready: $Destination"
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