windows-build.yml

name: Build (Windows)

on:
  push:
    paths:
      - 'src/*'
      - '.github/workflows/windows-build.yml'
  workflow_dispatch:
    inputs:
      tag:
        description: 'which tag to upload to'
        default: ''

jobs:
  build-windows:
    runs-on: windows-2022

    defaults:
      run:
        shell: cmd

    steps:
    - name: Checkout repo
      uses: actions/checkout@v3
      with:
        fetch-depth: 0

    - name: Setup MSVC
      uses: ilammy/msvc-dev-cmd@v1

    - name: Setup Ninja
      run: pip install ninja

    - name: Cache CUDA
      id: cache-cuda
      uses: actions/cache@v3
      with:
        path: C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA
        key: ${{ runner.os }}-cuda-12.2.1

    - name: Setup CUDA
      if: steps.cache-cuda.outputs.cache-hit != 'true'
      run: |
        curl -s -o cuda_installer.exe -L https://developer.download.nvidia.com/compute/cuda/12.2.1/network_installers/cuda_12.2.1_windows_network.exe
        cuda_installer.exe -s nvcc_12.2 cudart_12.2

    - name: Download VapourSynth headers
      run: |
        mkdir vapoursynth\include
        curl https://raw.githubusercontent.com/vapoursynth/vapoursynth/master/include/VapourSynth4.h -o vapoursynth\include\VapourSynth4.h
        curl https://raw.githubusercontent.com/vapoursynth/vapoursynth/master/include/VSHelper4.h -o vapoursynth\include\VSHelper4.h

    - name: Configure
      run: cmake -S . -B build -G Ninja -LA
        -D CMAKE_BUILD_TYPE=Release
        -D CMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded
        -D VS_INCLUDE_DIR="%cd%\vapoursynth\include"
        -D CMAKE_CUDA_FLAGS="--threads 0 --use_fast_math --resource-usage -Wno-deprecated-gpu-targets"
        -D CMAKE_CUDA_ARCHITECTURES="50;61-real;75-real;86-real;89-real"
      env:
        CUDA_PATH: C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v12.2

    - name: Build
      run: cmake --build build --verbose

    - name: Install
      run: cmake --install build --prefix install

    - name: Upload
      uses: actions/upload-artifact@v3
      with:
        name: vapoursynth-chromanrcuda-windows
        path: install/bin/*.dll

    - name: Compress artifact for release
      if: github.event_name == 'workflow_dispatch' && github.event.inputs.tag != ''
      run: |
        cd install

        mkdir vapoursynth-chromanrcuda-${{ github.event.inputs.tag }}
        xcopy bin\chromanrcuda.dll vapoursynth-chromanrcuda-${{ github.event.inputs.tag }} /f
        7z a -t7z -mx=9 ../vapoursynth-chromanrcuda-${{ github.event.inputs.tag }}.7z vapoursynth-chromanrcuda-${{ github.event.inputs.tag }}

    - name: Release
      uses: softprops/action-gh-release@v1
      if: github.event_name == 'workflow_dispatch' && github.event.inputs.tag != ''
      with:
        tag_name: ${{ github.event.inputs.tag }}
        files: |
          vapoursynth-chromanrcuda-${{ github.event.inputs.tag }}.7z
        fail_on_unmatched_files: true
        generate_release_notes: false
        prerelease: false