backend/llama.cpp/.github/workflows/build-opencl.yml

name: CI (opencl)

on:
  workflow_dispatch: # allows manual triggering
  push:
    branches:
      - master
    paths: [
      '.github/workflows/build-opencl.yml',
      '**/CMakeLists.txt',
      '**/.cmake',
      '**/*.h',
      '**/*.hpp',
      '**/*.c',
      '**/*.cpp',
      '**/*.cl'
    ]

  pull_request:
    types: [opened, synchronize, reopened]
    paths: [
      '.github/workflows/build-opencl.yml',
      'ggml/src/ggml-opencl/**'
    ]

concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref && github.ref || github.run_id }}
  cancel-in-progress: true

env:
  GGML_NLOOP: 3
  GGML_N_THREADS: 1
  LLAMA_ARG_LOG_COLORS: 1
  LLAMA_ARG_LOG_PREFIX: 1
  LLAMA_ARG_LOG_TIMESTAMPS: 1

jobs:
  windows-2025-opencl-adreno:
    runs-on: windows-2025

    steps:
      - name: Clone
        id: checkout
        uses: actions/checkout@v6

      - name: ccache
        uses: ggml-org/ccache-action@v1.2.21
        with:
          key: opencl-windows-2025-x64
          variant: ccache
          evict-old-files: 1d
          save: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}

      - name: Install Ninja
        id: install_ninja
        run: |
          choco install ninja

      - name: Install OpenCL Headers and Libs
        id: install_opencl
        run: |
          git clone https://github.com/KhronosGroup/OpenCL-Headers
          cd OpenCL-Headers
          cmake -B build `
            -DBUILD_TESTING=OFF `
            -DOPENCL_HEADERS_BUILD_TESTING=OFF `
            -DOPENCL_HEADERS_BUILD_CXX_TESTS=OFF `
            -DCMAKE_INSTALL_PREFIX="$env:RUNNER_TEMP/opencl-arm64-release"
          cmake --build build --target install
          git clone https://github.com/KhronosGroup/OpenCL-ICD-Loader
          cd OpenCL-ICD-Loader
          cmake -B build-arm64-release `
            -A arm64 `
            -DCMAKE_PREFIX_PATH="$env:RUNNER_TEMP/opencl-arm64-release" `
            -DCMAKE_INSTALL_PREFIX="$env:RUNNER_TEMP/opencl-arm64-release"
          cmake --build build-arm64-release --target install --config release

      - name: Build
        id: cmake_build
        run: |
          cmake -S . -B build -G "Ninja Multi-Config" -D CMAKE_TOOLCHAIN_FILE=cmake/arm64-windows-llvm.cmake -DCMAKE_PREFIX_PATH="$env:RUNNER_TEMP/opencl-arm64-release" -DGGML_OPENCL=ON -DGGML_OPENCL_USE_ADRENO_KERNELS=ON -DLLAMA_BUILD_BORINGSSL=ON
          cmake --build build --config Release -j ${env:NUMBER_OF_PROCESSORS}