linux-build.yml

name: Linux build

on:
  pull_request:

# Cancel previous runs if a more recent commit is pushed.
concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref }}
  cancel-in-progress: true

permissions: read-all

jobs:
  linux-build:
    name: Build and run tests on Linux
    runs-on: "ubuntu-20.04"
    steps:
      - name: Setup necessary packages
        run: |
          sudo add-apt-repository ppa:kisak/kisak-mesa -y
          sudo apt update && sudo apt install libxrandr-dev libxinerama-dev libx11-dev libxcursor-dev libxi-dev libx11-xcb-dev clang \
          mesa-vulkan-drivers
      - name: Setup Vulkan SDK
        run: |
          wget -q https://sdk.lunarg.com/sdk/download/1.3.268.0/linux/vulkansdk-linux-x86_64-1.3.268.0.tar.xz
          if ! echo "d23343736247828ff5b3b6b1b7fd83a72b5df1a54b2527ae3663cebdfee75842 vulkansdk-linux-x86_64-1.3.268.0.tar.xz" | sha256sum -c --status; then
            echo "Invalid SHA256 for VulkanSDK's binary. Aborting."
            exit 1
          fi
          mkdir "${HOME}/vulkan-sdk"
          tar -xf vulkansdk-linux-x86_64-1.3.268.0.tar.xz -C "${HOME}/vulkan-sdk"
          echo "VULKAN_SDK=${HOME}/vulkan-sdk/1.3.268.0/x86_64" >> $GITHUB_ENV
          echo "VK_LAYER_PATH=${HOME}/vulkan-sdk/1.3.268.0/x86_64/etc/vulkan/explicit_layer.d" >> $GITHUB_ENV
          echo "LD_LIBRARY_PATH=${HOME}/vulkan-sdk/1.3.268.0/x86_64/lib" >> $GITHUB_ENV
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          fetch-depth: '0'
      - name: Switch to pull request branch and clone submodules
        run: |
          git checkout ${GITHUB_SHA}
          git submodule update --init --recursive
      - name: Build without XR support
        run: |
          mkdir build_no_xr
          cd build_no_xr
          cmake .. -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DPPX_BUILD_TESTS=ON -DPPX_BUILD_XR=0 -DCMAKE_BUILD_TYPE=Debug
          make -j $(nproc)
      - name: Build with XR support
        run: |
          mkdir build
          cd build
          # -DBUILD_TESTS=OFF only disables the OpenXR tests
          cmake .. -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DPPX_BUILD_TESTS=ON -DPPX_BUILD_XR=1 -DBUILD_TESTS=OFF -DCMAKE_BUILD_TYPE=Debug
          make -j $(nproc)
      - name: Run unit tests
        run: |
          cd build
          ctest -j $(nproc)
      - name: Run runtime tests
        run: |
          cd build/bin

          xvfb-run -a ./vk_sample_03_square_textured --frame-count 2 --screenshot-frame-number 1
          convert screenshot_frame_1.ppm vk_03_square_textured_screenshot.png

          xvfb-run -a ./vk_sample_09_obj_geometry --frame-count 2 --screenshot-frame-number 1
          convert screenshot_frame_1.ppm vk_09_obj_geometry_screenshot.png

          xvfb-run -a ./vk_sample_13_normal_map --frame-count 2 --screenshot-frame-number 1
          convert screenshot_frame_1.ppm vk_13_normal_map_screenshot.png

          xvfb-run -a ./vk_fishtornado --frame-count 2 --screenshot-frame-number 1
          convert screenshot_frame_1.ppm vk_fishtornado_screenshot.png

          xvfb-run -a ./vk_graphics_pipeline --frame-count 2 --screenshot-frame-number 1
          convert screenshot_frame_1.ppm vk_graphics_pipeline_screenshot.png
      - name: Upload screenshots
        uses: actions/upload-artifact@v3
        with:
          name: screenshots
          path: build/bin/*.png