From 48abe47cfb19b074fc252204db669b4375f26260 Mon Sep 17 00:00:00 2001
From: Vincent Bernat <vincent@bernat.ch>
Date: Wed, 11 Sep 2024 08:26:53 +0200
Subject: [PATCH] picom: just set a small corner-radius

---
 bin/picom-configure           |  2 ++
 dotfiles/picom.conf           |  3 +--
 dotfiles/rounded-borders.glsl | 42 -----------------------------------
 3 files changed, 3 insertions(+), 44 deletions(-)
 delete mode 100644 dotfiles/rounded-borders.glsl

diff --git a/bin/picom-configure b/bin/picom-configure
index aacb8c8..84ed336 100755
--- a/bin/picom-configure
+++ b/bin/picom-configure
@@ -5,6 +5,7 @@ dpi=$(xrdb -query | sed -nE 's/^Xft\.dpi:\s*//p')
 POLYBAR_HEIGHT=$((20 * dpi / 96))
 SHADOW_RADIUS=$((12 * dpi / 96))
 SHADOW_OFFSET=$((SHADOW_RADIUS*2/3))
+CORNER_RADIUS=$((4 * dpi / 96))
 
 # Configure picom
 mkdir -p $XDG_RUNTIME_DIR/i3
@@ -12,6 +13,7 @@ cat ~/.config/i3/dotfiles/picom.conf \
     | sed -e "s/@POLYBAR_HEIGHT@/$POLYBAR_HEIGHT/" \
     | sed -e "s/@SHADOW_RADIUS@/$SHADOW_RADIUS/" \
     | sed -e "s/@SHADOW_OFFSET@/$SHADOW_OFFSET/" \
+    | sed -e "s/@CORNER_RADIUS@/$CORNER_RADIUS/" \
           > $XDG_RUNTIME_DIR/i3/picom.conf.new
 
 # Put new configuration file in place
diff --git a/dotfiles/picom.conf b/dotfiles/picom.conf
index 05cd71e..0e1f534 100644
--- a/dotfiles/picom.conf
+++ b/dotfiles/picom.conf
@@ -68,5 +68,4 @@ shadow-exclude = [
 ];
 fade-exclude = [ ];
 
-corner-radius = @SHADOW_RADIUS@
-window-shader-fg = "rounded-borders.glsl"
+corner-radius = @CORNER_RADIUS@
diff --git a/dotfiles/rounded-borders.glsl b/dotfiles/rounded-borders.glsl
deleted file mode 100644
index f627acc..0000000
--- a/dotfiles/rounded-borders.glsl
+++ /dev/null
@@ -1,42 +0,0 @@
-#version 330
-
-in vec2 texcoord;
-uniform sampler2D tex;
-uniform float corner_radius;
-
-vec4 default_post_processing(vec4 c);
-
-vec4 add_rounded_corners(
-    vec4 win_color,
-    vec2 tex_coord,
-    vec2 tex_size,
-    float radius,
-    float thickness)
-{       
-    // If we're far from corners, we just pass window texels through
-    vec2 corner_distance = min(abs(tex_coord), abs(tex_size - 1 - tex_coord));
-    if (any(greaterThan(corner_distance, vec2(radius))))
-        return win_color;
-
-    // Distance from the closest arc center
-    vec2 center_distance = min(
-        abs(vec2(radius) - tex_coord),
-        abs(vec2(tex_size - radius) - tex_coord));
-
-    // Do some simple anti-aliasing
-    float inner_radius = radius - thickness;
-    float feather = 1 / inner_radius;
-    float r = length(center_distance) / inner_radius;
-    float blend = smoothstep(1, 1 + feather, r);
-    
-    vec4 border_color = texture2D(tex, vec2(0), 0);
-    return blend * border_color + (1.0 - blend) * win_color;
-}
-
-vec4 window_shader()
-{
-    vec2 tex_size = textureSize(tex, 0);
-    vec4 c = texture2D(tex, texcoord / tex_size, 0);
-    vec4 with_corners = add_rounded_corners(c, texcoord, tex_size, corner_radius, 6);
-    return default_post_processing(with_corners);    
-}