dawn-rs 0.1.2

Rust wrapper for the Dawn API
Documentation 
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name: CI

on:
  push:
    branches:
      - main
  pull_request: {}
  workflow_dispatch: {}

permissions:
  contents: read

jobs:
  check:
    name: Check (${{ matrix.os }})
    runs-on: ${{ matrix.os }}
    defaults:
      run:
        shell: bash
    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu-latest
          - macos-14
          - windows-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Install MSVC target (Windows)
        if: runner.os == 'Windows'
        run: rustup target add x86_64-pc-windows-msvc

      - name: Cache cargo
        uses: Swatinem/rust-cache@v2
        with:
          prefix-key: v2

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.x"

      - name: Read Dawn tag
        id: dawn_tag
        run: |
          dawn_tag="$(tr -d '\r\n' < DAWN_VERSION)"
          if [[ -z "$dawn_tag" ]]; then
            echo "DAWN_VERSION is empty" >&2
            exit 1
          fi
          echo "value=$dawn_tag" >> "$GITHUB_OUTPUT"

      - name: Cache Dawn prebuilt
        uses: actions/cache@v4
        with:
          path: .ci/dawn-cache
          key: dawn-${{ runner.os }}-${{ steps.dawn_tag.outputs.value }}-v2

      - name: Set up MSVC dev environment (Windows)
        if: runner.os == 'Windows'
        uses: ilammy/msvc-dev-cmd@v1
        with:
          arch: x64

      - name: Force MSVC linker/toolchain (Windows)
        if: runner.os == 'Windows'
        shell: pwsh
        run: |
          $cleanPath = ($env:PATH -split ';' | Where-Object { $_ -and ($_ -notmatch 'Git\\usr\\bin') }) -join ';'
          "PATH=$cleanPath" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append

      - name: Download Dawn prebuilt release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          case "${{ runner.os }}" in
            Linux) platform="linux" ;;
            macOS) platform="macos" ;;
            Windows) platform="windows" ;;
            *)
              echo "Unsupported runner OS: ${{ runner.os }}" >&2
              exit 1
              ;;
          esac
          dawn_root="$(python3 ./scripts/download_dawn_prebuilt.py \
            --platform "$platform" \
            --tag "${{ steps.dawn_tag.outputs.value }}" \
            --output ".ci/dawn-cache/${platform}-${{ steps.dawn_tag.outputs.value }}")"
          if [[ -z "$dawn_root" ]]; then
            echo "Failed to resolve DAWN_ROOT from prebuilt download" >&2
            exit 1
          fi
          echo "DAWN_ROOT=$dawn_root" >> "$GITHUB_ENV"
          echo "Using DAWN_ROOT=$dawn_root"

      - name: Set cargo target args
        run: |
          if [[ "${{ runner.os }}" == "Windows" ]]; then
            echo "CARGO_TARGET_ARGS=--target x86_64-pc-windows-msvc" >> "$GITHUB_ENV"
          else
            echo "CARGO_TARGET_ARGS=" >> "$GITHUB_ENV"
          fi

      - name: Cargo check workspace
        if: runner.os != 'Windows'
        run: cargo check --workspace $CARGO_TARGET_ARGS

      - name: Check dawn-rs examples (default)
        if: runner.os != 'Windows'
        run: cargo check -p dawn-rs --examples $CARGO_TARGET_ARGS

      #- name: Build dawn-rs wire example
      #  if: runner.os != 'Windows'
      #  run: cargo build -p dawn-rs --example triangle-wire --features wire

      - name: Check dawn-wgpu examples (default)
        if: runner.os != 'Windows'
        run: cargo check -p dawn-wgpu --examples $CARGO_TARGET_ARGS

      #- name: Build dawn-wgpu wire example
      #  if: runner.os != 'Windows'
      #  run: cargo build -p dawn-wgpu --example nya-cat-wire --features wire