compton.conf

# Shadow
shadow = true;          # Enabled client-side shadows on windows.
no-dock-shadow = true;      # Avoid drawing shadows on dock/panel windows.
no-dnd-shadow = true;       # Don't draw shadows on DND windows.
clear-shadow = true;        # Zero the part of the shadow's mask behind the
                # window. Fix some weirdness with ARGB windows.
shadow-radius = 7;      # The blur radius for shadows. (default 12)
shadow-offset-x = -7;       # The left offset for shadows. (default -15)
shadow-offset-y = -7;       # The top offset for shadows. (default -15)

shadow-exclude = [ "n:e:Notification" ];    # Exclude conditions for shadows.
# shadow-exclude = "n:e:Notification";
shadow-ignore-shaped = true;    # Avoid drawing shadow on all shaped windows
                                # (see also: --detect-rounded-corners)

# Opacity
menu-opacity = 0.9;         # The opacity for menus. (default 1.0)
inactive-opacity = 1.0;         # Default opacity of inactive windows. (0.0 - 1.0)

# Other
backend = "glx";        # Backend to use: "xrender" or "glx". GLX backend is typically
                            # much faster but depends on a sane driver.
mark-wmwin-focused = true;  # Try to detect WM windows and mark them as active.
mark-ovredir-focused = true;    # Mark all non-WM but override-redirect windows active (e.g. menus).
use-ewmh-active-win = false;    # Use EWMH _NET_WM_ACTIVE_WINDOW to determine which window is focused
                                # instead of using FocusIn/Out events. Usually more reliable but
                                # depends on a EWMH-compliant WM.
detect-rounded-corners = true;  # Detect rounded corners and treat them as rectangular when --shadow-ignore-shaped is on.
detect-client-opacity = true;   # Detect _NET_WM_OPACITY on client windows, useful for window
                                # managers not passing _NET_WM_OPACITY of client windows to frame
                                # windows.
refresh-rate = 0;       # For --sw-opti: Specify refresh rate of the screen. 0 for auto.
vsync = "none";         # "none", "drm", "opengl", "opengl-oml", "opengl-swc", "opengl-mswc"
                        # See man page for more details.
dbe = false;            # Enable DBE painting mode. Rarely needed.
paint-on-overlay = false;   # Painting on X Composite overlay window. Recommended.
sw-opti = false;        # Limit compton to repaint at most once every 1 / refresh_rate.
                        # Incompatible with certain VSync methods.
unredir-if-possible = true; # Unredirect all windows if a full-screen opaque window is
                                # detected, to maximize performance for full-screen windows.

# Window type settings
wintypes:
{
  tooltip = { fade = true; shadow = false; opacity = 0.75; focus = true; };
  # fade: Fade the particular type of windows.
  # shadow: Give those windows shadow
  # opacity: Default opacity for the type of windows.
  # focus: Whether to always consider windows of this type focused.
};