{ pkgs, ... }:
{
  environment.variables = {
    LIBVA_DRIVER_NAME = "nvidia";
    __GLX_VENDOR_LIBRARY_NAME = "nvidia";
    GBM_BACKEND = "nvidia-drm";
    __VK_LAYER_NV_optimus = "NVIDIA_only";
    __NV_PRIME_RENDER_OFFLOAD = "1";
    NVD_BACKEND = "direct";
    CUDA_PATH = "${pkgs.cudatoolkit}";
  };
}