windows.yml

name: Build (Windows)

on:
  push:
    paths:
      - 'CMakeLists.txt'
      - 'cpu_source/*'
      - 'cuda_source/*'
      - 'nvrtc_source/*'
      - '.github/workflows/windows.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:
        submodules: true

    - 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-12.0.0

    - 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/12.0.0/network_installers/cuda_12.0.0_windows_network.exe
        cuda_installer.exe -s nvcc_12.0 cudart_12.0 nvrtc_dev_12.0 cufft_12.0 cufft_dev_12.0

    - name: Download VapourSynth headers
      run: |
        curl -s -o vs.zip -L https://github.com/vapoursynth/vapoursynth/archive/refs/tags/R57.zip
        unzip -q vs.zip
        mv vapoursynth-*/ vapoursynth/

    - name: Configure (CUDA)
      run: cmake -S . -B build_cuda -G Ninja -LA
        -D CMAKE_BUILD_TYPE=Release
        -D ENABLE_CUDA=ON
        -D USE_NVRTC_STATIC=ON
        -D ENABLE_CPU=OFF
        -D VS_INCLUDE_DIR="%cd%\vapoursynth\include"
        -D CMAKE_CXX_FLAGS="/fp:fast /EHsc"
        -D CMAKE_SHARED_LINKER_FLAGS="/DELAYLOAD:cufft64_11.dll"
        -D CMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded
      env:
        CUDA_PATH: C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v12.0
        CUDA_PATH_V12_0: C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v12.0

    - name: Build (CUDA)
      run: cmake --build build_cuda --verbose

    - name: Install (CUDA)
      run: cmake --install build_cuda --prefix install_cuda

    - name: Prepare for upload (CUDA)
      run: |
        mkdir artifact_cuda
        copy install_cuda\lib\*.dll artifact_cuda
        mkdir cufft
        copy "C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v12.0\bin\cufft64_*.dll" cufft

    - name: Upload (CUDA)
      uses: actions/upload-artifact@v3
      with:
        name: vs-dfttest2-cuda-windows
        path: artifact_cuda

    - name: Upload cufft
      uses: actions/upload-artifact@v3
      if: false
      with:
        name: cufft-windows
        path: cufft

    - name: Configure (CPU)
      shell: bash
      run: cmake -S . -B build_cpu -G Ninja -LA
        -D CMAKE_BUILD_TYPE=Release
        -D ENABLE_CUDA=OFF
        -D ENABLE_CPU=ON
        -D VS_INCLUDE_DIR="$(pwd)/vapoursynth/include"
        -D CMAKE_CXX_COMPILER=clang++
        -D CMAKE_CXX_FLAGS="-ffast-math"
        -D CMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded

    - name: Build (CPU)
      run: cmake --build build_cpu --verbose

    - name: Install (CPU)
      run: cmake --install build_cpu --prefix install_cpu

    - name: Prepare for upload (CPU)
      run: |
        mkdir artifact_cpu
        copy install_cpu\lib\*.dll artifact_cpu

    - name: Upload (CPU)
      uses: actions/upload-artifact@v3
      with:
        name: vs-dfttest2-cpu-windows
        path: artifact_cpu

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

        mkdir vs-dfttest2-cuda-windows-${{ github.event.inputs.tag }}
        xcopy dfttest2_cuda.dll vs-dfttest2-cuda-windows-${{ github.event.inputs.tag }} /f
        xcopy dfttest2_nvrtc.dll vs-dfttest2-cuda-windows-${{ github.event.inputs.tag }} /f
        7z a -t7z -mx=9 ../vs-dfttest2-cuda-windows-${{ github.event.inputs.tag }}.7z vs-dfttest2-cuda-windows-${{ github.event.inputs.tag }}
        
        cd ../cufft

        mkdir vsmlrt-cuda
        xcopy cufft64_*.dll vsmlrt-cuda /f
        7z a -t7z -mx=9 ../cufft-windows-${{ github.event.inputs.tag }}.7z vsmlrt-cuda
        
        cd ../artifact_cpu

        mkdir vs-dfttest2-cpu-windows-${{ github.event.inputs.tag }}
        xcopy dfttest2_cpu.dll vs-dfttest2-cpu-windows-${{ github.event.inputs.tag }} /f
        7z a -t7z -mx=9 ../vs-dfttest2-cpu-windows-${{ github.event.inputs.tag }}.7z vs-dfttest2-cpu-windows-${{ 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: ${{ github.event.inputs.tag }}
        files: |
          vs-dfttest2-cuda-windows-${{ github.event.inputs.tag }}.7z
          vs-dfttest2-cpu-windows-${{ github.event.inputs.tag }}.7z
          cufft-windows-${{ github.event.inputs.tag }}.7z
          dfttest2.py
        fail_on_unmatched_files: true
        generate_release_notes: false
        prerelease: true