# https://duncanlock.net/blog/2013/06/07/how-to-switch-to-compton-for-beautiful-tear-free-compositing-in-xfce/ # https://git.archlinux.org/svntogit/community.git/plain/trunk/picom.conf?h=packages/picom ################################# # # Backend # ################################# # Backend to use: "xrender" or "glx". # GLX backend is typically much faster but depends on a sane driver. backend = "glx"; ################################# # # GLX backend # ################################# glx-no-stencil = true; # GLX backend: Copy unmodified regions from front buffer instead of redrawing them all. # My tests with nvidia-drivers show a 10% decrease in performance when the whole screen is modified, # but a 20% increase when only 1/4 is. # My tests on nouveau show terrible slowdown. glx-copy-from-front = false; # GLX backend: Use MESA_copy_sub_buffer to do partial screen update. # My tests on nouveau shows a 200% performance boost when only 1/4 of the screen is updated. # May break VSync and is not available on some drivers. # Overrides --glx-copy-from-front. # glx-use-copysubbuffermesa = true; # GLX backend: Avoid rebinding pixmap on window damage. # Probably could improve performance on rapid window content changes, but is known to break things on some drivers (LLVMpipe). # Recommended if it works. # glx-no-rebind-pixmap = true; # GLX backend: GLX buffer swap method we assume. # Could be undefined (0), copy (1), exchange (2), 3-6, or buffer-age (-1). # undefined is the slowest and the safest, and the default value. # copy is fastest, but may fail on some drivers, # 2-6 are gradually slower but safer (6 is still faster than 0). # Usually, double buffer means 2, triple buffer means 3. # buffer-age means auto-detect using GLX_EXT_buffer_age, supported by some drivers. # Useless with --glx-use-copysubbuffermesa. # Partially breaks --resize-damage. # Defaults to undefined. #glx-swap-method = "undefined"; ################################# # # Shadows # ################################# # Enabled client-side shadows on windows. shadow = true; # The blur radius for shadows. (default 12) shadow-radius = 5; # The left offset for shadows. (default -15) shadow-offset-x = -5; # The top offset for shadows. (default -15) shadow-offset-y = -5; # The translucency for shadows. (default .75) shadow-opacity = 0.5; # Set if you want different colour shadows # shadow-red = 0.0; # shadow-green = 0.0; # shadow-blue = 0.0; # The shadow exclude options are helpful if you have shadows enabled. Due to the way picom draws its shadows, certain applications will have visual glitches # (most applications are fine, only apps that do weird things with xshapes or argb are affected). # This list includes all the affected apps I found in my testing. The "! name~=''" part excludes shadows on any "Unknown" windows, this prevents a visual glitch with the XFWM alt tab switcher. shadow-exclude = [ "! name~=''", "name = 'Notification'", "name = 'Plank'", "name = 'Docky'", "name = 'Kupfer'", "name = 'xfce4-notifyd'", "name = 'cpt_frame_window'", "name *= 'VLC'", "name *= 'compton'", "name *= 'picom'", "name *= 'Chromium'", "name *= 'Chrome'", "class_g = 'Firefox' && argb", "class_g = 'Conky'", "class_g = 'Kupfer'", "class_g = 'Synapse'", "class_g ?= 'Notify-osd'", "class_g ?= 'Cairo-dock'", "class_g ?= 'Xfce4-notifyd'", "class_g ?= 'Xfce4-power-manager'", "_GTK_FRAME_EXTENTS@:c", "_NET_WM_STATE@:32a *= '_NET_WM_STATE_HIDDEN'" ]; # Avoid drawing shadow on all shaped windows (see also: --detect-rounded-corners) shadow-ignore-shaped = false; ################################# # # Opacity # ################################# inactive-opacity = 1; active-opacity = 1; frame-opacity = 1; inactive-opacity-override = false; # Dim inactive windows. (0.0 - 1.0) # inactive-dim = 0.2; # Do not let dimness adjust based on window opacity. # inactive-dim-fixed = true; # Blur background of transparent windows. Bad performance with X Render backend. GLX backend is preferred. # blur-background = true; # Blur background of opaque windows with transparent frames as well. # blur-background-frame = true; # Do not let blur radius adjust based on window opacity. blur-background-fixed = false; blur-background-exclude = [ "window_type = 'dock'", "window_type = 'desktop'" ]; ################################# # # Fading # ################################# # Fade windows during opacity changes. fading = true; # The time between steps in a fade in milliseconds. (default 10). fade-delta = 4; # Opacity change between steps while fading in. (default 0.028). fade-in-step = 0.03; # Opacity change between steps while fading out. (default 0.03). fade-out-step = 0.03; # Fade windows in/out when opening/closing # no-fading-openclose = true; # Specify a list of conditions of windows that should not be faded. fade-exclude = [ ]; ################################# # # Other # ################################# # Try to detect WM windows and mark them as active. mark-wmwin-focused = true; # Mark all non-WM but override-redirect windows active (e.g. menus). mark-ovredir-focused = true; # 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. use-ewmh-active-win = true; # Detect rounded corners and treat them as rectangular when --shadow-ignore-shaped is on. detect-rounded-corners = true; # Detect _NET_WM_OPACITY on client windows, useful for window managers not passing _NET_WM_OPACITY of client windows to frame windows. # This prevents opacity being ignored for some apps. # For example without this enabled my xfce4-notifyd is 100% opacity no matter what. detect-client-opacity = true; # Specify refresh rate of the screen. # If not specified or 0, picom will try detecting this with X RandR extension. refresh-rate = 0; # Vertical synchronization: match the refresh rate of the monitor vsync = true; # Enable DBE painting mode, intended to use with VSync to (hopefully) eliminate tearing. # Reported to have no effect, though. dbe = false; # Limit picom to repaint at most once every 1 / refresh_rate second to boost performance. # This should not be used with --vsync drm/opengl/opengl-oml as they essentially does --sw-opti's job already, # unless you wish to specify a lower refresh rate than the actual value. #sw-opti = true; # Unredirect all windows if a full-screen opaque window is detected, to maximize performance for full-screen windows, like games. # Known to cause flickering when redirecting/unredirecting windows. unredir-if-possible = false; # Specify a list of conditions of windows that should always be considered focused. focus-exclude = [ ]; # Use WM_TRANSIENT_FOR to group windows, and consider windows in the same group focused at the same time. detect-transient = true; # Use WM_CLIENT_LEADER to group windows, and consider windows in the same group focused at the same time. # WM_TRANSIENT_FOR has higher priority if --detect-transient is enabled, too. detect-client-leader = true; ################################# # # Window type settings # ################################# wintypes: { tooltip = { # fade: Fade the particular type of windows. fade = true; # shadow: Give those windows shadow shadow = false; # opacity: Default opacity for the type of windows. opacity = 0.85; # focus: Whether to always consider windows of this type focused. focus = true; }; }; ###################### # # XSync # See: https://github.com/yshui/picom/commit/b18d46bcbdc35a3b5620d817dd46fbc76485c20d # ###################### # Use X Sync fence to sync clients' draw calls. Needed on nvidia-drivers with GLX backend for some users. xrender-sync-fence = true;