cmake-multi-platform.yml

# This starter workflow is for a CMake project running on multiple platforms. There is a different starter workflow if you just want a single platform.
# See: https://github.com/actions/starter-workflows/blob/main/ci/cmake-single-platform.yml
name: Windows, Linux, macOS

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

permissions:
  contents: write

jobs:
  build:
    runs-on: ${{ matrix.os }}

    strategy:
      # Set fail-fast to false to ensure that feedback is delivered for all matrix combinations. Consider changing this to true when your workflow is stable.
      fail-fast: false

      # Set up a matrix to run the following 3 configurations:
      # 1. <Windows, Release, latest MSVC compiler toolchain on the default runner image, default generator>
      # 2. <Linux, Release, latest GCC compiler toolchain on the default runner image, default generator>
      # 3. <Linux, Release, latest Clang compiler toolchain on the default runner image, default generator>
      #
      # To add more build types (Release, Debug, RelWithDebInfo, etc.) customize the build_type list.
      matrix:
        os: [ubuntu-latest, windows-latest, macos-14]
        build_type: [Release]
        c_compiler: [gcc, clang, cl]
        include:
          - os: windows-latest
            c_compiler: cl
            cpp_compiler: cl
            arch: amd64
          - os: ubuntu-latest
            c_compiler: gcc
            cpp_compiler: g++
            arch: amd64
          - os: macos-14
            c_compiler: clang
            cpp_compiler: clang++
            arch: arm64
        exclude:
          - os: windows-latest
            c_compiler: gcc
          - os: windows-latest
            c_compiler: clang
          - os: ubuntu-latest
            c_compiler: cl
          - os: macos-14
            c_compiler: cl
          - os: macos-14
            c_compiler: gcc
          - os: ubuntu-latest
            c_compiler: clang

    steps:
    - uses: actions/checkout@v3

    - name: Set reusable strings
      # Turn repeated input strings (such as the build output directory) into step outputs. These step outputs can be used throughout the workflow file.
      id: strings
      shell: bash
      run: |
        echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
        # echo "vulkan-sdk-dir=${{ github.workspace }}/VULKAN_SDK" >> "$GITHUB_OUTPUT"
        echo "artifact-name=3dgs_cpp_viewer-${{ matrix.os }}-${{ matrix.arch }}-nightly" >> "$GITHUB_OUTPUT"

    - name: Set artifact path (Windows)
      shell: bash
      run: echo "ARTIFACT_PATH=${{ github.workspace }}/build/apps/viewer/Release/3dgs_cpp_viewer.exe" >> "$GITHUB_ENV"
      if: runner.os == 'Windows'

    - name: Set artifact path (POSIX)
      shell: bash
      run: echo "ARTIFACT_PATH=${{ github.workspace }}/build/apps/viewer/3dgs_cpp_viewer" >> "$GITHUB_ENV"
      if: runner.os != 'Windows'

    - name: Install ninja (macOS)
      shell: bash
      run: brew install ninja
      if: runner.os == 'macOS'

    - name: Install dependencies
      if: matrix.os == 'ubuntu-latest'
      run: sudo apt-get update && sudo apt-get install -y libglfw3-dev libglm-dev ninja-build

    - name: Install Vulkan SDK
      uses: humbletim/install-vulkan-sdk@v1.1.1
      with:
        version: latest
        cache: true

    - name: Configure CMake
      # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
      # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
      run: >
        cmake -B ${{ steps.strings.outputs.build-output-dir }}
        -Gninja
        -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }}
        -DCMAKE_C_COMPILER=${{ matrix.c_compiler }}
        -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
        -S ${{ github.workspace }}

    - name: Build
      # Build your program with the given configuration. Note that --config is needed because the default Windows generator is a multi-config generator (Visual Studio generator).
      run: cmake --build ${{ steps.strings.outputs.build-output-dir }} --config ${{ matrix.build_type }} -j3

    - name: Stage binary for release
      shell: bash
      run: |
        cp "${{ env.ARTIFACT_PATH }}" "./${{ steps.strings.outputs.artifact-name }}"
        echo "ARTIFACT_PATH=./${{ steps.strings.outputs.artifact-name }}" >> "$GITHUB_ENV"

    - name: Upload build artifacts
      uses: actions/upload-artifact@v4
      with:
        name: ${{ steps.strings.outputs.artifact-name }}
        path: ${{ env.ARTIFACT_PATH }}
    
    - name: Release nightly
      if: github.ref == 'refs/heads/main'
      uses: softprops/action-gh-release@v2
      with:
        prerelease: true
        name: nightly
        tag_name: nightly
        files: ${{ env.ARTIFACT_PATH }}
        fail_on_unmatched_files: true