{ pkgs, ... }: {

  home-manager.users.grape.services.picom = {
    enable = true;
    backend = "glx";
    vSync = false; # disable vsync to reduce input delay
    extraArgs = [ "-b" "--experimental-backends" ]; # enable deamon mode and experimental backends for blur

    # idk what package is missing by 24.05 so i included all of them
    package =
      (pkgs.picom.overrideAttrs (oldAttrs: rec {
        src = pkgs.fetchFromGitHub {
          owner = "pijulius";
          repo = "picom";
          rev = "da21aa8ef70f9796bc8609fb495c3a1e02df93f9";
          hash = "sha256-rxGWAot+6FnXKjNZkMl1uHHHEMVSxm36G3VoV1vSXLA=";
        };
        buildInputs = with pkgs; [
          dbus
          libconfig
          libdrm
          libev
          libGL
          xorg.libX11
          xorg.libxcb
          libxdg_basedir
          xorg.libXext
          xorg.libXinerama
          libxml2
          libxslt
          pcre
          pixman
          xorg.xcbutilimage
          xorg.xcbutilrenderutil
          xorg.xorgproto
        ];
        nativeBuildInputs = with pkgs; [
          asciidoc
          docbook_xml_dtd_45
          docbook_xsl
          makeWrapper
          meson
          ninja
          pkg-config
          uthash
        ];
      }));

    settings = {
      blur-method = "dual_kawase";
      blur-size = 12;
      blur-strength = 5;
      blur-background = true;
      blur-kern = "3x3box";

      blur-background-exclude = [
        "window_type = 'dock'"
        "window_type = 'desktop'"
        "_GTK_FRAME_EXTENTS@:c"
        "class_g ~= 'slop'"
        "class_g ~= 'Peek'"
      ];

      opacity-rule = [
        "80:class_g *= 'st'"
        "80:class_g *= 'kitty'"
        "80:class_g *= 'alacritty'"
        "80:class_g *= 'Alacritty'"
        "90:class_g *= 'jamesdsp'"
        "90:class_g *= 'polybar'"
        "80:class_g *= 'codium'"
        "80:class_g *= 'rofi'"
        "80:class_g *= 'lutris'"
        "80:class_g *= 'Mumble'"
        "80:class_g *= 'Element'"
        "85:class_g *= 'Logseq'"
        "85:class_g *= 'Codium'"
      ];

      # rounding
      corner-radius = 15;
      use-damage = false;

      inactive-opacity = 1.0;
      frame-opacity = 1.0;
      inactive-opacity-override = false;


      fading = true;
      fade-in-step = 0.03;
      fade-out-step = 0.03;

      animations = true;
      animation-for-open-window = "squeeze";
      animation-for-transient-window = "zoom";
      animation-for-unmap-window = "squeeze";
      animation-for-workspace-switch-in = "zoom";
      animation-for-workspace-switch-out = "auto";

      animation-stiffness = 500;
      animation-dampening = 40;
      animation-window-mass = 1;
      animation-delta = 7;
      animation-force-steps = true;

    };
  };
}