{ pkgs, config, lib, inputs, ... }:

with lib;
let
  cfg = config.modules.hardware.graphics.amdgpu;
in {
  options.modules.hardware.graphics.amdgpu = {
    enable = mkEnableOption "Enable AMD graphics drivers, used in conjuction with nixos-hardware";
    overclock = mkEnableOption "Enable overclocking on AMD graphics drivers";
  };

  config = mkIf cfg.enable {
    hardware.amdgpu.opencl.enable = true;
    hardware.amdgpu.overdrive.enable = cfg.overclock;
    services.lact.enable = cfg.overclock;

    environment.systemPackages = with pkgs; [ amdgpu_top ];

    environment.variables = {
      # radv > amdvlk
      AMD_VULKAN_ICD = "RADV";
      # hwaccel
      LIBVA_DRIVER_NAME = "radeonsi";
      VDPAU_DRIVER = "radeonsi";
    };
  };
}