{ ... }:

{
  services.picom = {
    enable = true;

    settings = {
      fading = true;
      vsync = true;
      backend = "glx";

      fade-delta = 4;
      inactive-opacity = 0.9;

      corner-radius = 7.0;
      round-borders = 1;

      blur-method = "gaussian";
      blur-size = 7;
      blur-deviation = 3;

      opacity-rule = [
        "100:class_g = 'Polybar'"
      ];

      corner-radius-exclude = [
        "class_g = 'Dunst'"
        "class_i = 'Dunst'"
        "name = 'Dunst'"
        "class_i = 'dmenu'"
        "class_g = 'dmenu'"
        "name - 'dmenu'"
      ];

      blur-background-exclude = [
        "class_g ~= 'slop'"
        "class_i ~= 'slop'"
        "name ~= 'slop'"
        "window_type = 'menu'"
        "window_type = 'tooltip'"
        "role = 'xborder'"
        "window_type = 'popup_menu'"
        "window_type = 'dropdown_menu'"
      ];
    };
  };
}