{
  pkgs,
  config,
  lib,
  ...
}: let
  cfg = config.system.graphics;
in {
  options.system.graphics = {
    enable = lib.mkEnableOption "enables nvidia";
    vendor = lib.mkOption {
      type = lib.types.enum ["intel" "amd" "nvidia"];
      default = "intel";
      description = ''
        set the vendor of your graphics device
        supported options are "intel" "amd" "nvidia"
      '';
    };
  };

  config = lib.mkIf cfg.enable (lib.mkMerge [
    {
      hardware.graphics.enable = true;
      hardware.graphics.enable32Bit = true;
    }

    (lib.mkIf (cfg.vendor == "intel") {
      services.xserver.videoDrivers = ["modesetting"];

      # userspace tools
      environment.systemPackages = with pkgs; [
        intel-gpu-tools
      ];

      hardware.graphics.extraPackages = with pkgs; [
        # Required for modern Intel GPUs (Xe iGPU and ARC)
        intel-media-driver # VA-API (iHD) userspace
        vpl-gpu-rt # oneVPL (QSV) runtime

        # Optional (compute / tooling):
        intel-compute-runtime # OpenCL (NEO) + Level Zero for Arc/Xe
      ];

      environment.sessionVariables = {
        LIBVA_DRIVER_NAME = "iHD"; # Prefer the modern iHD backend
      };
    })

    (lib.mkIf (cfg.vendor == "amd") {
      boot.initrd.kernelModules = ["amdgpu"];
      services.xserver.videoDrivers = ["amdgpu"];

      # userspace tools
      environment.systemPackages = with pkgs; [
        radeontop
      ];

      # enable amd vulkan (program will choose this or regular)
      hardware.graphics.extraPackages = with pkgs; [
        rocmPackages.clr.icd # enable open cl (compute framework like cuda)
      ];
      # ^ but 32 bit
      hardware.graphics.extraPackages32 = with pkgs; [
      ];

      # make hip work (extension on cli.icd ^)
      systemd.tmpfiles.rules = [
        "L+    /opt/rocm/hip   -    -    -     -    ${pkgs.rocmPackages.clr}"
      ];
    })

    (lib.mkIf (cfg.vendor == "nvidia") {
      boot.kernelModules = ["nvidia" "nvidia_modeset" "nvidia_uvm" "nvidia_drm"];
      services.xserver.videoDrivers = ["nvidia"];

      # enable nvidia proprietary driver
      hardware.nvidia = {
        modesetting.enable = true; # required
        open = false; # use proprietary driver
        nvidiaSettings = true; # no shit
        powerManagement.enable = false; # can cause sleep issues
        package = config.boot.kernelPackages.nvidiaPackages.stable;
      };

      # enable docker gpu passthrough
      hardware.nvidia-container-toolkit.enable = true;

      #      systemd.services.nvidia-mps = {
      #        description = "NVIDIA CUDA Multi-Process Service";
      #        after = [ "nvidia-persistenced.service" ];
      #        requires = [ "nvidia-persistenced.service" ];
      #        wantedBy = [ "multi-user.target" ];
      #        path = [ config.hardware.nvidia.package.bin ];
      #        serviceConfig = {
      #          Type = "forking";
      #          ExecStart = "${config.hardware.nvidia.package.bin}/bin/nvidia-cuda-mps-control -d";
      #          ExecStop = "${pkgs.writeShellScript "nvidia-mps-stop" ''
      #            echo quit | ${config.hardware.nvidia.package.bin}/bin/nvidia-cuda-mps-control
      #          ''}";
      #          Restart = "on-failure";
      #          RestartSec = 5;
      #        };
      #      };
    })
  ]);
}