switched compton with picom

.compton.conf

@@ -1,4 +1,3 @@
-#backend = "xrender";
 vsync = "opengl-swc";
 backend = "glx";
 
@@ -32,6 +31,8 @@ blur-background-exclude = [
 
 # Duplicating the _NET_WM_STATE entries because compton cannot deal with atom arrays :-/
 opacity-rule = [
+  "90:class_g = 'URxvt' && focused",
+  "60:class_g = 'URxvt' && !focused",
   "97:class_g = 'Termite' && !_NET_WM_STATE@:32a",
 
 #  "0:_NET_WM_STATE@[0]:32a = '_NET_WM_STATE_HIDDEN' && !I3_FLOATING_WINDOW@:c",

.config/i3/config

@@ -225,7 +225,7 @@ client.urgent           #900000 #900000 #ffffff #2b2b2b
 client.background       #333333
 
 exec_always nitrogen --restore
-exec_always compton
+exec_always picom
 exec_always copyq
 exec_always --no-startup-id dunst
 bindsym $mod+v exec copyq toggle

.config/picom/picom.conf

@@ -0,0 +1,226 @@
+# Thank you code_nomad: http://9m.no/ꪯ鵞
+# and Arch Wiki contributors: https://wiki.archlinux.org/index.php/Compton
+
+#################################
+#
+# 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: 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 = 1;
+
+#################################
+#
+# Shadows
+#
+#################################
+
+# Enabled client-side shadows on windows.
+shadow = false;
+# The blur radius for shadows. (default 12)
+shadow-radius = 12;
+# The left offset for shadows. (default -15)
+shadow-offset-x = -15;
+# The top offset for shadows. (default -15)
+shadow-offset-y = -15;
+# The translucency for shadows. (default .75)
+shadow-opacity = .50;
+
+log-level = "warn";
+#change your username here
+log-file = "/home/lorenz/.config/compton.log";
+
+# 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 compton 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 *= 'VLC'",
+    "name *= 'compton'",
+    "class_g = 'Firefox' && argb",
+    "class_g = 'Conky'",
+    "class_g = 'Kupfer'",
+    "class_g = 'Synapse'",
+    "class_g ?= 'Notify-osd'",
+    "class_g ?= 'Cairo-dock'",
+    "class_g = 'Cairo-clock'",
+    "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;
+
+opacity-rule = [
+  "99:class_g = 'rofi' && !_NET_WM_STATE@:32a",
+  "99:class_g = 'i3lock' && !_NET_WM_STATE@:32a",
+  "99:I3_FLOATING_WINDOW@:c",
+  "0:_NET_WM_STATE@:32a *= '_NET_WM_STATE_HIDDEN'"
+];
+
+# 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'",
+    "_GTK_FRAME_EXTENTS@:c"
+];
+
+#################################
+#
+# Fading
+#
+#################################
+
+# Fade windows during opacity changes.
+fading = false;
+# The time between steps in a fade in milliseconds. (default 10).
+fade-delta = 5;
+# 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 = 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.
+use-ewmh-active-win = true;
+# Detect rounded corners and treat them as rectangular when --shadow-ignore-shaped is on.
+detect-rounded-corners = false;
+
+# 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, compton will try detecting this with X RandR extension.
+#refresh-rate = 48;
+
+# Vertical synchronization: match the refresh rate of the monitor
+# this breaks transparency in virtualbox - put a "#" before next line to fix that
+vsync = true;
+
+# Enable DBE painting mode, intended to use with VSync to (hopefully) eliminate tearing.
+# Reported to have no effect, though.
+dbe = true;
+
+# Limit compton 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 = true; shadow = true; opacity = 0.9; focus = true;};
+  dock = { shadow = false; }
+  dnd = { shadow = false; }
+  popup_menu = { opacity = 1; }
+  dropdown_menu = { opacity = 1; }
+};
+
+######################
+
+# XSync
+# See: https://github.com/yshui/compton/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;