From 0c49b5547ddc482d7d887295853d217329b5dda9 Mon Sep 17 00:00:00 2001
From: ediblerope <fredrik@nordhammer.it>
Date: Mon, 11 May 2026 09:58:29 +0100
Subject: [PATCH] hyprland: cut input latency and speed up animations

Enables VRR for fullscreen, disables compositor VFR, and gates tearing
behind allow_tearing + immediate windowrules for Steam and gamescope.
Animations drop to 0.2s via a snappier bezier.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
---
 settings/hyprland.nix | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/settings/hyprland.nix b/settings/hyprland.nix
index 6f5a3f3..2de1829 100644
--- a/settings/hyprland.nix
+++ b/settings/hyprland.nix
@@ -82,6 +82,7 @@
             border_size = 2;
             layout = "dwindle";
             resize_on_border = true;
+            allow_tearing = true;
           };
 
           decoration = {
@@ -93,6 +94,21 @@
             };
           };
 
+          animations = {
+            enabled = true;
+            # speed = tenths of a second; 2 = 0.2s. Drop to 1 for instant-ish.
+            bezier = [
+              "snap, 0.05, 0.9, 0.1, 1.0"
+            ];
+            animation = [
+              "windows,     1, 2, snap"
+              "windowsOut,  1, 2, snap, popin 80%"
+              "border,      1, 3, default"
+              "fade,        1, 2, default"
+              "workspaces,  1, 2, snap"
+            ];
+          };
+
           input = {
             kb_layout = "gb,no";
             kb_options = "grp:alt_shift_toggle";
@@ -112,8 +128,17 @@
             disable_hyprland_logo = true;
             disable_splash_rendering = true;
             focus_on_activate = true;
+            vrr = 1;     # 1 = on for fullscreen, 2 = always
+            vfr = false; # keep compositor ticking, don't idle between frames
           };
 
+          # Let tearing-tolerant fullscreen apps bypass vsync. allow_tearing
+          # above is the global gate; these rules opt specific apps in.
+          windowrulev2 = [
+            "immediate, class:^(steam_app_.*)$"
+            "immediate, class:^(gamescope)$"
+          ];
+
           # Hyprspace overview plugin — see README for full option set
           plugin.overview = {
             centerAligned = true;