backend = "glx";
#vsync = "opengl-swc";
vsync = "drm";
paint-on-overlay = true;

# don't draw shadows for hidden tabs
shadow-exclude = [
  "_NET_WM_STATE@:32a *= '_NET_WM_STATE_HIDDEN'"
];

# give urxvt 95% opacity, but make all hidden windows completely transparent
  #"85:class_g = 'URxvt' && !_NET_WM_STATE@:32a",
opacity-rule = [
  #"88:class_g = 'URxvt' && !_NET_WM_STATE@:32a *= '_NET_WM_STATE_HIDDEN'",
  "88:class_g = 'st-256color' && !_NET_WM_STATE@:32a *= '_NET_WM_STATE_HIDDEN'",
  "88:class_g = 'Gnome-terminal' && !_NET_WM_STATE@:32a *= '_NET_WM_STATE_HIDDEN'",
  "88:class_g = 'Emacs' && !_NET_WM_STATE@:32a *= '_NET_WM_STATE_HIDDEN'",
  "88:class_g = 'Emacs-27.0.50' && !_NET_WM_STATE@:32a *= '_NET_WM_STATE_HIDDEN'",
  "100:class_g = 'mpv'",
  "0:_NET_WM_STATE@[2]:32a *= '_NET_WM_STATE_HIDDEN'",
  "0:_NET_WM_STATE@:32a *= '_NET_WM_STATE_HIDDEN'"
];