ci_wasm.yml

name: WebAssembly

on:
  push:
    branches: [ "master" ]
  pull_request:
    branches: [ "master" ]

jobs:
  build_wasm:
    strategy:
      matrix:
        config: [Release, Debug]
      fail-fast: false
    
    runs-on: ubuntu-latest

    env:
      README: ${{ github.workspace }}/README.txt
      GAUSSIAN_LIB_DIR: external/GaussianLib/include
      EMSDK_CMAKE_DIR: 'upstream/emscripten/cmake/Modules/Platform/Emscripten.cmake'

    steps:
    - name: Checkout Repository
      uses: actions/checkout@v4
      with:
        submodules: recursive

    - name: Install Dependencies (Emscripten SDK)
      uses: mymindstorm/setup-emsdk@v14

    - name: Configure CMake
      run: >
        cmake -S . -B ${{github.workspace}}/WebAssembly
        -DCMAKE_TOOLCHAIN_FILE="$EMSDK/${{ env.EMSDK_CMAKE_DIR }}"
        -DCMAKE_BUILD_TYPE=${{ matrix.config }}
        -DLLGL_BUILD_STATIC_LIB=ON
        -DLLGL_BUILD_RENDERER_WEBGL=ON
        -DLLGL_BUILD_RENDERER_NULL=OFF
        -DLLGL_BUILD_RENDERER_VULKAN=OFF
        -DLLGL_BUILD_RENDERER_DIRECT3D11=OFF
        -DLLGL_BUILD_RENDERER_DIRECT3D12=OFF
        -DLLGL_BUILD_EXAMPLES=ON
        -DLLGL_BUILD_TESTS=OFF
        -DGaussLib_INCLUDE_DIR:STRING="${{ env.GAUSSIAN_LIB_DIR }}"

    - name: Build
      run: |
        cmake --build ${{github.workspace}}/WebAssembly --config ${{ matrix.config }}
        CURRENT_TIME=$(date)
        echo "LLGL built for HTML5/WebAssembly on $CURRENT_TIME." > ${{ env.README }}

    - name: Generate HTML5 pages
      if: matrix.config == 'Release'
      run: |
        scripts/GenerateHTML5Examples.sh . "${{github.workspace}}/WebAssembly" --verbose

    - name: Upload Binaries
      uses: actions/upload-artifact@v4
      if: matrix.config == 'Release'
      with:
        name: LLGL-WebAssembly
        path: |
          ${{ env.README }}
          ${{ github.workspace }}/WebAssembly/html5