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chore(🐙): add workflow to build Dawn (#3363)
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‎.github/workflows/build-dawn.yml‎

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name: Build Dawn
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on:
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push:
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branches: [ "main" ]
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pull_request:
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workflow_dispatch:
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concurrency:
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group: ${{ github.workflow }}-${{ github.ref }}
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cancel-in-progress: true
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env:
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DAWN_BRANCH: main # Configure the Dawn branch to checkout
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jobs:
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mobile-android:
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strategy:
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fail-fast: false
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matrix:
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include:
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# Android builds
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- arch: arm64-v8a
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toolchain_file: $ANDROID_NDK/build/cmake/android.toolchain.cmake
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cmake_args: -DANDROID_ABI=arm64-v8a -DANDROID_PLATFORM=android-26
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output_dir: externals/dawn/out/android_arm64-v8a
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library_path: src/dawn/native/libwebgpu_dawn.so
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strip_tool: $ANDROID_NDK/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-strip
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- arch: armeabi-v7a
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toolchain_file: $ANDROID_NDK/build/cmake/android.toolchain.cmake
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cmake_args: -DANDROID_ABI=armeabi-v7a -DANDROID_PLATFORM=android-26
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output_dir: externals/dawn/out/android_armeabi-v7a
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library_path: src/dawn/native/libwebgpu_dawn.so
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strip_tool: $ANDROID_NDK/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-strip
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- arch: x86
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toolchain_file: $ANDROID_NDK/build/cmake/android.toolchain.cmake
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cmake_args: -DANDROID_ABI=x86 -DANDROID_PLATFORM=android-26
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output_dir: externals/dawn/out/android_x86
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library_path: src/dawn/native/libwebgpu_dawn.so
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strip_tool: $ANDROID_NDK/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-strip
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- arch: x86_64
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toolchain_file: $ANDROID_NDK/build/cmake/android.toolchain.cmake
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cmake_args: -DANDROID_ABI=x86_64 -DANDROID_PLATFORM=android-26
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output_dir: externals/dawn/out/android_x86_64
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library_path: src/dawn/native/libwebgpu_dawn.so
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strip_tool: $ANDROID_NDK/toolchains/llvm/prebuilt/linux-x86_64/bin/llvm-strip
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name: Build-android-${{ matrix.arch }}
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runs-on: ubuntu-latest
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steps:
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- name: Checkout main repository
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uses: actions/checkout@v4
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- name: Checkout Dawn repository
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uses: actions/checkout@v4
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with:
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repository: google/dawn
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ref: ${{ env.DAWN_BRANCH }}
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path: externals/dawn
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- name: Setup Android NDK
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id: setup-ndk
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uses: nttld/setup-ndk@v1
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with:
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ndk-version: r27d
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- name: Set ANDROID_NDK
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run: echo "ANDROID_NDK=${{ steps.setup-ndk.outputs.ndk-path }}" >> $GITHUB_ENV
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- name: Build android ${{ matrix.arch }}
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run: |
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cmake -S externals/dawn -B ${{ matrix.output_dir }} -G Ninja \
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-DDAWN_MOBILE_BUILD=android \
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-C externals/dawn/.github/workflows/dawn-ci.cmake \
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-DCMAKE_TOOLCHAIN_FILE=${{ matrix.toolchain_file }} \
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${{ matrix.cmake_args }} \
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-DCMAKE_BUILD_TYPE=Release \
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-DBUILD_SHARED_LIBS=OFF \
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-DDAWN_BUILD_MONOLITHIC_LIBRARY=SHARED \
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-DCMAKE_EXE_LINKER_FLAGS="-llog" \
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-DCMAKE_SHARED_LINKER_FLAGS="-llog"
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ninja -C ${{ matrix.output_dir }}
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- name: Strip Android binaries
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run: |
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${{ matrix.strip_tool }} ${{ matrix.output_dir }}/${{ matrix.library_path }}
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- name: Upload build artifacts
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uses: actions/upload-artifact@v4
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with:
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name: build-android-${{ matrix.arch }}
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path: ${{ matrix.output_dir }}/${{ matrix.library_path }}
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- name: Install headers (from arm64-v8a build only)
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if: matrix.arch == 'arm64-v8a'
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run: |
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cmake --install ${{ matrix.output_dir }} --prefix dawn-headers
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- name: Upload headers (from arm64-v8a build only)
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if: matrix.arch == 'arm64-v8a'
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uses: actions/upload-artifact@v4
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with:
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name: dawn-headers-${{ github.sha }}
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path: dawn-headers/
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mobile-apple:
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strategy:
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fail-fast: false
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matrix:
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include:
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# Apple builds
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- platform: ios
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arch: arm64
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cmake_args: -DPLATFORM=OS64 -DDEPLOYMENT_TARGET=13.0 -DENABLE_BITCODE=OFF -DENABLE_ARC=OFF -DENABLE_VISIBILITY=OFF
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output_dir: externals/dawn/out/ios_arm64
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library_path: src/dawn/native/libwebgpu_dawn.a
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- platform: ios
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arch: sim_arm64
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cmake_args: -DPLATFORM=SIMULATORARM64 -DDEPLOYMENT_TARGET=13.0 -DENABLE_BITCODE=OFF -DENABLE_ARC=OFF -DENABLE_VISIBILITY=OFF
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output_dir: externals/dawn/out/ios_sim_arm64
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library_path: src/dawn/native/libwebgpu_dawn.a
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- platform: ios
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arch: sim_x86_64
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cmake_args: -DPLATFORM=SIMULATOR64 -DDEPLOYMENT_TARGET=13.0 -DENABLE_BITCODE=OFF -DENABLE_ARC=OFF -DENABLE_VISIBILITY=OFF
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output_dir: externals/dawn/out/ios_sim_x86_64
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library_path: src/dawn/native/libwebgpu_dawn.a
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- platform: macos
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arch: universal
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cmake_args: -DPLATFORM=MAC_UNIVERSAL -DDEPLOYMENT_TARGET=11.0 -DENABLE_BITCODE=OFF -DENABLE_ARC=OFF -DENABLE_VISIBILITY=OFF
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output_dir: externals/dawn/out/macos_universal
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library_path: src/dawn/native/libwebgpu_dawn.a
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name: Build-${{ matrix.platform }}-${{ matrix.arch }}
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runs-on: macos-latest-large
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steps:
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- name: Checkout main repository
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uses: actions/checkout@v4
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- name: Checkout Dawn repository
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uses: actions/checkout@v4
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with:
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repository: google/dawn
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ref: ${{ env.DAWN_BRANCH }}
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path: externals/dawn
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# submodules: true
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- name: Setup Xcode
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uses: maxim-lobanov/setup-xcode@v1
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with:
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xcode-version: latest-stable
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- name: Download Apple toolchain
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run: |
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mkdir -p externals/dawn/build-tools
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# Download the ios-cmake toolchain file
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curl -L https://raw.githubusercontent.com/leetal/ios-cmake/6fa909e133b92343db2d099e0478448c05ffec1a/ios.toolchain.cmake -o externals/dawn/build-tools/apple.toolchain.cmake
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- name: Build ${{ matrix.platform }} ${{ matrix.arch }}
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run: |
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cmake -S externals/dawn -B ${{ matrix.output_dir }} -G Ninja \
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-DDAWN_MOBILE_BUILD=apple \
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-C externals/dawn/.github/workflows/dawn-ci.cmake \
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-DCMAKE_TOOLCHAIN_FILE=build-tools/apple.toolchain.cmake \
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${{ matrix.cmake_args }} \
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-DCMAKE_BUILD_TYPE=Release
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ninja -C ${{ matrix.output_dir }}
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- name: Upload build artifacts
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uses: actions/upload-artifact@v4
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with:
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name: build-${{ matrix.platform }}-${{ matrix.arch }}
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path: ${{ matrix.output_dir }}/${{ matrix.library_path }}
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package-mobile:
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name: Package Mobile Artifacts
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runs-on: macos-latest
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needs: [mobile-android, mobile-apple]
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steps:
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- name: Checkout main repository
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uses: actions/checkout@v4
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- name: Download all build artifacts
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uses: actions/download-artifact@v4
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with:
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pattern: build-*
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path: artifacts
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- name: Create iOS Simulator fat binary
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run: |
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mkdir -p libs/apple/iphonesimulator
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lipo -create \
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artifacts/build-ios-sim_x86_64/libwebgpu_dawn.a \
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artifacts/build-ios-sim_arm64/libwebgpu_dawn.a \
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-output libs/apple/iphonesimulator/libwebgpu_dawn.a
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- name: Create XCFramework
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run: |
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xcodebuild -create-xcframework \
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-library libs/apple/iphonesimulator/libwebgpu_dawn.a \
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-library artifacts/build-ios-arm64/libwebgpu_dawn.a \
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-library artifacts/build-macos-universal/libwebgpu_dawn.a \
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-output dawn-apple-${{ github.sha }}.xcframework
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- name: Package Android libraries
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run: |
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mkdir -p dawn-android-${{ github.sha }}/arm64-v8a
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mkdir -p dawn-android-${{ github.sha }}/armeabi-v7a
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mkdir -p dawn-android-${{ github.sha }}/x86
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mkdir -p dawn-android-${{ github.sha }}/x86_64
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cp artifacts/build-android-arm64-v8a/libwebgpu_dawn.so dawn-android-${{ github.sha }}/arm64-v8a/
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cp artifacts/build-android-armeabi-v7a/libwebgpu_dawn.so dawn-android-${{ github.sha }}/armeabi-v7a/
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cp artifacts/build-android-x86/libwebgpu_dawn.so dawn-android-${{ github.sha }}/x86/
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cp artifacts/build-android-x86_64/libwebgpu_dawn.so dawn-android-${{ github.sha }}/x86_64/
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- name: Create archives
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run: |
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tar -czf dawn-android-${{ github.sha }}.tar.gz dawn-android-${{ github.sha }}
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tar -czf dawn-apple-${{ github.sha }}.xcframework.tar.gz dawn-apple-${{ github.sha }}.xcframework
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- name: Upload Android artifacts
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uses: actions/upload-artifact@v4
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with:
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name: dawn-android-${{ github.sha }}
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path: dawn-android-${{ github.sha }}.tar.gz
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- name: Upload Apple artifacts
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uses: actions/upload-artifact@v4
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with:
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name: dawn-apple-${{ github.sha }}
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path: dawn-apple-${{ github.sha }}.xcframework.tar.gz

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