name: Presubmit
on: [push, pull_request]

jobs:
  build:
    name: Build ${{ matrix.os }} ${{ matrix.arch }}${{ matrix.extra }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        build-type: [Release]
        gl: [0]
        os: [ubuntu-22.04, macos-latest, windows-latest, windows-11-arm]
        include:
          - os: ubuntu-22.04
            gl: 1
            extra: " gl"
          - os: ubuntu-22.04
            arch: arm
          - os: ubuntu-22.04
            arch: aarch64
            build-type: Debug
            extra: " debug"
          - os: ubuntu-22.04
            arch: android-arm
            android_arch_abi: armeabi-v7a
          - os: ubuntu-22.04
            arch: android-aarch64
            android_arch_abi: arm64-v8a
    steps:
      - uses: actions/checkout@v4
      - name: Setup Ninja
        uses: seanmiddleditch/gha-setup-ninja@master
      - name: Install Arm and AArch64 compilers
        if: ${{ matrix.arch == 'arm' || matrix.arch == 'aarch64' }}
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            gcc-12-arm-linux-gnueabihf g++-12-arm-linux-gnueabihf \
            gcc-12-aarch64-linux-gnu g++-12-aarch64-linux-gnu
          sudo update-alternatives --install /usr/bin/arm-linux-gnueabihf-gcc arm-linux-gnueabihf-gcc /usr/bin/arm-linux-gnueabihf-gcc-12 12
          sudo update-alternatives --install /usr/bin/arm-linux-gnueabihf-g++ arm-linux-gnueabihf-g++ /usr/bin/arm-linux-gnueabihf-g++-12 12
          sudo update-alternatives --install /usr/bin/aarch64-linux-gnu-gcc aarch64-linux-gnu-gcc /usr/bin/aarch64-linux-gnu-gcc-12 12
          sudo update-alternatives --install /usr/bin/aarch64-linux-gnu-g++ aarch64-linux-gnu-g++ /usr/bin/aarch64-linux-gnu-g++-12 12
      - name: Setup OpenGL build dependencies
        if: ${{ matrix.gl }}
        run: |
          sudo apt-get update
          sudo apt-get -y install libglu1-mesa-dev freeglut3-dev mesa-common-dev libglew-dev
      - name: Setup MSVC with Ninja
        uses: ilammy/msvc-dev-cmd@v1
      - name: Setup ccache
        uses: hendrikmuhs/ccache-action@v1.2
        with:
          variant: sccache
          key: ${{ matrix.os }}-${{ matrix.arch }}
      - name: Fetch OpenCL Headers
        shell: bash
        run: |
          git clone https://github.com/KhronosGroup/OpenCL-Headers.git
          cd OpenCL-Headers
          ln -s CL OpenCL # For OSX builds
          cd ..
      - name: Install Vulkan SDK
        uses: humbletim/install-vulkan-sdk@main
        with:
          version: 1.4.309.0
          cache: true
      - name: Install Android NDK
        if: ${{ matrix.arch == 'android-arm' || matrix.arch == 'android-aarch64' }}
        run: |
          wget https://dl.google.com/android/repository/android-ndk-r28c-linux.zip -O android-ndk.zip
          unzip android-ndk.zip -d $HOME
          export ANDROID_NDK=$HOME/android-ndk-r28c
          echo "ANDROID_NDK=$ANDROID_NDK" >> $GITHUB_ENV
          export ANDROID_ARCH_ABI=${{ matrix.android_arch_abi }}
          echo "ANDROID_ARCH_ABI=$ANDROID_ARCH_ABI" >> $GITHUB_ENV
          echo "ANDROID_PLATFORM=29" >> $GITHUB_ENV
      - name: Prepare CMake Toolchain file
        shell: bash
        run: |
          if [[ '${{ matrix.arch }}' == android-* ]]; then
              TOOLCHAIN_FILE=${ANDROID_NDK}/build/cmake/android.toolchain.cmake
          else
              TOOLCHAIN_FILE='${{ github.workspace }}'/toolchain.cmake
              touch ${TOOLCHAIN_FILE}
          fi

          TOOLCHAIN_PREFIX_arm=arm-linux-gnueabihf
          TOOLCHAIN_PREFIX_aarch64=aarch64-linux-gnu

          if [[ '${{ matrix.arch }}' != android-* ]]; then
            if [[ '${{ matrix.arch }}' != "" && ${RUNNER_OS} != "Windows" ]]; then
              TOOLCHAIN_PREFIX_VAR=TOOLCHAIN_PREFIX_${{ matrix.arch }}
              TOOLCHAIN_PREFIX=${!TOOLCHAIN_PREFIX_VAR}

              echo "SET(CMAKE_SYSTEM_NAME Linux)" >> ${TOOLCHAIN_FILE}
              echo "SET(CMAKE_SYSTEM_PROCESSOR ${{ matrix.arch }})" >> ${TOOLCHAIN_FILE}
              echo "SET(CMAKE_C_COMPILER   ${TOOLCHAIN_PREFIX}-gcc)" >> ${TOOLCHAIN_FILE}
              echo "SET(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)" >> ${TOOLCHAIN_FILE}
              echo "SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)" >> ${TOOLCHAIN_FILE}
              echo "SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)" >> ${TOOLCHAIN_FILE}
              echo "SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)" >> ${TOOLCHAIN_FILE}
            fi
          fi
          echo "TOOLCHAIN_FILE=${TOOLCHAIN_FILE}" >> $GITHUB_ENV
      - name: Prepare Android CMake arguments
        if: ${{ matrix.arch == 'android-arm' || matrix.arch == 'android-aarch64' }}
        shell: bash
        run: |
          echo "CMAKE_CONFIG_ARGS_ANDROID=-DCMAKE_ANDROID_ARCH_ABI=${ANDROID_ARCH_ABI} -DANDROID_PLATFORM=${ANDROID_PLATFORM}" >> $GITHUB_ENV
      - name: Fetch and build OpenCL ICD Loader
        shell: bash
        run: |
          git clone https://github.com/KhronosGroup/OpenCL-ICD-Loader.git
          cd OpenCL-ICD-Loader
          mkdir build
          cd build
          cmake .. -G Ninja \
                -DCMAKE_BUILD_TYPE=Release \
                -DCMAKE_TOOLCHAIN_FILE=${TOOLCHAIN_FILE} \
                -DOPENCL_ICD_LOADER_HEADERS_DIR='${{ github.workspace }}'/OpenCL-Headers/ \
                ${CMAKE_CONFIG_ARGS_ANDROID}
          cmake --build . --parallel
      - name: Fetch Vulkan Headers
        shell: bash
        run: |
          git clone https://github.com/KhronosGroup/Vulkan-Headers.git
      - name: Fetch and build Vulkan Loader
        if: ${{ matrix.arch != 'android-arm' && matrix.arch != 'android-aarch64' }}
        shell: bash
        run: |
          git clone https://github.com/KhronosGroup/Vulkan-Loader.git
          cd Vulkan-Loader
          mkdir build
          cd build
          python3 ../scripts/update_deps.py
          cmake .. -G Ninja \
                -DCMAKE_BUILD_TYPE=Release \
                -DCMAKE_TOOLCHAIN_FILE=${TOOLCHAIN_FILE} \
                -DBUILD_WSI_XLIB_SUPPORT=OFF \
                -DBUILD_WSI_XCB_SUPPORT=OFF \
                -DBUILD_WSI_WAYLAND_SUPPORT=OFF \
                -C helper.cmake ..
          cmake --build . --parallel
      - name: Configure and build
        shell: bash
        run: |
          mkdir build
          cd build
          if [[ ${RUNNER_OS} == "Windows" ]]; then
              CMAKE_OPENCL_LIBRARIES_OPTION="OpenCL"
          else
              CMAKE_OPENCL_LIBRARIES_OPTION="-lOpenCL"
              if [[ '${{ matrix.arch }}' != android-* ]]; then
                  CMAKE_OPENCL_LIBRARIES_OPTION="${CMAKE_OPENCL_LIBRARIES_OPTION} -lpthread"
              fi
          fi
          cmake .. -G Ninja \
                -DCMAKE_BUILD_TYPE=${{ matrix.build-type }} \
                -DCMAKE_CACHE_OPTIONS="-DCMAKE_C_COMPILER_LAUNCHER=sccache -DCMAKE_CXX_COMPILER_LAUNCHER=sccache" \
                -DCL_INCLUDE_DIR='${{ github.workspace }}'/OpenCL-Headers \
                -DCL_LIB_DIR='${{ github.workspace }}'/OpenCL-ICD-Loader/build \
                -DCMAKE_TOOLCHAIN_FILE=${TOOLCHAIN_FILE} \
                -DCMAKE_RUNTIME_OUTPUT_DIRECTORY=./bin \
                -DOPENCL_LIBRARIES="${CMAKE_OPENCL_LIBRARIES_OPTION}" \
                -DUSE_CL_EXPERIMENTAL=ON \
                -DGL_IS_SUPPORTED=${{ matrix.gl }} \
                -DVULKAN_IS_SUPPORTED=ON \
                -DVULKAN_INCLUDE_DIR='${{ github.workspace }}'/Vulkan-Headers/include/ \
                -DVULKAN_LIB_DIR='${{ github.workspace }}'/Vulkan-Loader/build/loader/ \
                ${CMAKE_CONFIG_ARGS_ANDROID}
          cmake --build . --parallel
  formatcheck:
    name: Check code format
    runs-on: ubuntu-22.04
    steps:
      - name: Install packages
        run: sudo apt install -y clang-format clang-format-14
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Check code format
        run: ./check-format.sh