From d8113dc2b649f5e5b14fa26a08d13968bfa8c096 Mon Sep 17 00:00:00 2001
From: Kirill Chibisov <contact@kchibisov.com>
Date: Wed, 2 Mar 2022 22:35:19 +0300
Subject: Fix gap calculation for dashed underline

---
 alacritty/res/rect.f.glsl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/alacritty/res/rect.f.glsl b/alacritty/res/rect.f.glsl
index 10c7983a..0e0a2616 100644
--- a/alacritty/res/rect.f.glsl
+++ b/alacritty/res/rect.f.glsl
@@ -98,12 +98,12 @@ color_t draw_dotted(float_t x, float_t y) {
 color_t draw_dashed(float_t x) {
   // Since dashes of adjacent cells connect with each other our dash length is
   // half of the desired total length.
-  float_t halfDashLen = floor(cellWidth / 4.);
+  float_t halfDashLen = floor(cellWidth / 4. + 0.5);
 
   float_t alpha = 1.;
 
   // Check if `x` coordinate is where we should draw gap.
-  if (x > halfDashLen && x < cellWidth - halfDashLen - 1.) {
+  if (x > halfDashLen - 1. && x < cellWidth - halfDashLen) {
     alpha = 0.;
   }
 
-- 
cgit