default.nix

{
  lib,
  addOpenGLRunpath,
  cmake,
  fetchFromGitHub,
  fmt_9,
  spdlog,
  stdenv,
  substituteAll,
}:

stdenv.mkDerivation rec {
  pname = "level-zero";
  version = "1.16.15";

  src = fetchFromGitHub {
    owner = "oneapi-src";
    repo = "level-zero";
    rev = "refs/tags/v${version}";
    hash = "sha256-J+XIqaV1ThD0RqqcyIkzvTWCkIztjkHzGzUbj0qojJs=";
  };

  patches = [
    (substituteAll {
      src = ./system-spdlog.diff;
      spdlog = lib.getDev spdlog;
    })
  ];

  nativeBuildInputs = [
    cmake
    addOpenGLRunpath
  ];

  buildInputs = [ fmt_9 ];

  postFixup = ''
    addOpenGLRunpath $out/lib/libze_loader.so
  '';

  meta = with lib; {
    description = "oneAPI Level Zero Specification Headers and Loader";
    homepage = "https://github.com/oneapi-src/level-zero";
    changelog = "https://github.com/oneapi-src/level-zero/blob/v${version}/CHANGELOG.md";
    license = licenses.mit;
    maintainers = [ maintainers.ziguana ];
  };
}