name: linux-x64-gpu-clang
on:
  push:
    branches: [master]
    paths:
    - '.github/workflows/linux-x64-gpu-clang.yml'
    - 'CMakeLists.txt'
    - 'cmake/**'
    - 'src/*'
    - 'src/layer/*'
    - 'src/layer/x86/**'
    - 'src/layer/vulkan/**'
    - 'tests/**'
    - 'tools/**'
    - '!tools/pnnx/**'
    - 'examples/**'
  pull_request:
    branches: [master]
    paths:
    - '.github/workflows/linux-x64-gpu-clang.yml'
    - 'CMakeLists.txt'
    - 'cmake/**'
    - 'src/*'
    - 'src/layer/*'
    - 'src/layer/x86/**'
    - 'src/layer/vulkan/**'
    - 'tests/**'
    - 'tools/**'
    - '!tools/pnnx/**'
    - 'examples/**'
concurrency:
  group: linux-x64-gpu-clang-${{ github.ref }}
  cancel-in-progress: true
permissions:
  contents: read

jobs:
  linux-clang-gpu:
    runs-on: [self-hosted, linux, ubuntu25]
    steps:
    - uses: actions/checkout@v4
      with:
        submodules: true

    - name: cache-swiftshader
      id: cache-swiftshader
      uses: actions/cache@v4
      with:
        path: swiftshader-install
        key: swiftshader-linux-install-20250508
    - name: checkout-swiftshader
      if: steps.cache-swiftshader.outputs.cache-hit != 'true'
      uses: actions/checkout@v4
      with:
        repository: google/swiftshader
        path: swiftshader
        ref: 930d46d31b5d637f313fd5ef55da2bbf053c26c1
    - name: swiftshader
      if: steps.cache-swiftshader.outputs.cache-hit != 'true'
      run: |
        cd swiftshader
        git -c submodule."third_party/git-hooks".update=none submodule update --init --recursive
        mkdir -p build; cd build
        cmake -DCMAKE_INSTALL_PREFIX=install -DSWIFTSHADER_BUILD_PVR=FALSE -DSWIFTSHADER_BUILD_TESTS=FALSE -DSWIFTSHADER_ENABLE_ASTC=FALSE -DSWIFTSHADER_WARNINGS_AS_ERRORS=FALSE -DREACTOR_BACKEND=Subzero -DREACTOR_DEFAULT_OPT_LEVEL=Default -DCMAKE_BUILD_TYPE=Release ..
        cmake --build . -j 8
        mkdir $GITHUB_WORKSPACE/swiftshader-install
        cp Linux/* $GITHUB_WORKSPACE/swiftshader-install

    - name: build
      env:
        CC: clang
        CXX: clang++
      run: |
        mkdir build && cd build
        cmake -DNCNN_VULKAN=ON -DNCNN_BUILD_TESTS=ON ..
        cmake --build . -j 8
    - name: test
      run: |
        printf "[Processor]\nThreadCount=1\n" > build/tests/SwiftShader.ini
        export VK_ICD_FILENAMES="$GITHUB_WORKSPACE/swiftshader-install/vk_swiftshader_icd.json"
        cd build && ctest --output-on-failure -j 8
    - name: build-shared
      env:
        CC: clang
        CXX: clang++
      run: |
        mkdir build-shared && cd build-shared
        cmake -DNCNN_VULKAN=ON -DNCNN_SHARED_LIB=ON ..
        cmake --build . -j 8
