ci.yml

name: Continuous Integration

on: [push, pull_request]

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}
  BUILD_TYPE: Release

jobs:
  clang-format:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: clang-format
        uses: jidicula/clang-format-action@v4.11.0
        with:
          clang-format-version: '17'
          check-path: 'src'
          fallback-style: 'Google'
          include-regex: '^.*\.((((c|C)(c|pp|xx|\+\+)?$)|((h|H)h?(pp|xx|\+\+)?$))|(frag|vert))$'

  build-container:
    runs-on: ubuntu-latest

    outputs:
      image_tag: ${{ steps.set_image_tag.outputs.image_tag }}

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

      - name: Path filter
        uses: dorny/paths-filter@v2
        id: changes
        with:
          filters: |
            container:
              - 'ci/Dockerfile'

      - name: Set up Docker Buildx
        if: steps.changes.outputs.container == 'true'
        uses: docker/setup-buildx-action@v3

      - name: Log in to the Container registry
        if: steps.changes.outputs.container == 'true'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            # set latest tag for the main branch
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }},priority=5000
            # use ref_name in all other cases
            type=raw,value=${{github.ref_name}},priority=4000

      - name: Build and push
        if: steps.changes.outputs.container == 'true'
        uses: docker/build-push-action@v5
        with:
          context: '{{defaultContext}}:ci'
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Set output image tag
        id: set_image_tag
        run: >
          tags="${{ steps.meta.outputs.tags }}"
          && tags=${tags%% *}
          && image=${tags%:*}
          && tag="${{ steps.changes.outputs.container == 'true' && '${tags#*:}' || 'latest' }}"
          && echo "image_tag=${image}:${tag}"
          && echo "image_tag=${image}:${tag}" >> "$GITHUB_OUTPUT"

  cmake-build:
    needs: build-container
    runs-on: ubuntu-latest
    container:
      image: ${{ needs.build-container.outputs.image_tag }}
      credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.github_token }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          submodules: "recursive"

      - name: Configure CMake
        run: >
          cmake -B ${{github.workspace}}/build
          -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
          -DCMAKE_CXX_COMPILER=clang++
          -DENABLE_GRAPHICS=ON
          -DENABLE_SPIR=ON
          -DENABLE_CUDA=ON -DCUDA_COMPUTE_CAPABILITY=80
          -DENABLE_HIP=ON -DHIP_GFX_ARCH=gfx90a
          -DCMAKE_CXX_FLAGS='-Wall -Wextra -Wpedantic -Werror'
          -G Ninja

      - name: Build
        run: cmake --build ${{github.workspace}}/build -- -k 0

  cmake-build-nographics:
    runs-on: ubuntu-latest
    container:
      image: intel/oneapi-basekit:latest

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

      - name: Configure CMake (no graphics)
        run: >
          cmake -B ${{github.workspace}}/build
          -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
          -DCMAKE_CXX_COMPILER=icpx
          -DENABLE_GRAPHICS=OFF
          -DENABLE_SPIR=ON -DENABLE_CUDA=OFF -DENABLE_HIP=OFF
          -DCMAKE_CXX_FLAGS='-Wall -Wextra -Wpedantic -Werror'

      - name: Build (no graphics)
        run: cmake --build ${{github.workspace}}/build -- -k -j