name: Setup C/C++ Vulkan build environment
description: Install Clang/LLVM, Meson, Ninja, Python, and Vulkan SDK packages on Debian/Ubuntu Gitea runners.

inputs:
  llvm-version:
    description: LLVM/Clang major version to install.
    required: false
    default: "22"
  meson-version:
    description: Meson version to install via isolated Python venv. Use "latest" for newest.
    required: false
    default: "latest"
  install-vulkan:
    description: Install Vulkan SDK/development packages.
    required: false
    default: "true"
  vulkan-source:
    description: "Vulkan package source: apt or lunarg. apt is more robust on self-hosted runners."
    required: false
    default: "apt"
  lunarg-sdk-version:
    description: LunarG SDK version, used only when vulkan-source=lunarg. Example: 1.4.309.0
    required: false
    default: "1.4.309.0"
  make-default:
    description: Make selected clang/clang++/llvm tools the default compiler commands.
    required: false
    default: "true"

runs:
  using: composite
  steps:
    - name: Install build environment
      shell: bash
      run: |
        "${{ github.action_path }}/scripts/setup.sh"
      env:
        LLVM_VERSION: ${{ inputs.llvm-version }}
        MESON_VERSION: ${{ inputs.meson-version }}
        INSTALL_VULKAN: ${{ inputs.install-vulkan }}
        VULKAN_SOURCE: ${{ inputs.vulkan-source }}
        LUNARG_SDK_VERSION: ${{ inputs.lunarg-sdk-version }}
        MAKE_DEFAULT: ${{ inputs.make-default }}