1 files changed, 6 insertions, 3 deletions
diff --git a/sway/desktop/shaders/tex_rgbx.frag b/sway/desktop/shaders/tex_rgbx.frag
index b31c1bfd..283963f2 100644
--- a/sway/desktop/shaders/tex_rgbx.frag
+++ b/sway/desktop/shaders/tex_rgbx.frag
@@ -2,6 +2,8 @@ precision mediump float;
 varying vec2 v_texcoord;
 uniform sampler2D tex;
 uniform float alpha;
+uniform float dim;
+uniform vec4 dim_color;
 
 uniform vec2 size;
 uniform vec2 position;
@@ -11,14 +13,15 @@ uniform float saturation;
 const vec3 saturation_weight = vec3(0.2125, 0.7154, 0.0721);
 
 void main() {
+    vec4 color = vec4(texture2D(tex, v_texcoord).rgb, 1.0);
     // Saturation
     if (saturation != 1.0) {
         vec3 irgb = texture2D(tex, v_texcoord).rgb;
         vec3 target = vec3(dot(irgb, saturation_weight));
-        gl_FragColor = vec4(mix(target, irgb, saturation), 1.0) * alpha;
-    } else {
-        gl_FragColor = vec4(texture2D(tex, v_texcoord).rgb, 1.0) * alpha;
+        color = vec4(mix(target, irgb, saturation), 1.0);
     }
+    // Dimming
+    gl_FragColor = mix(color, dim_color, dim) * alpha;
 
     if (!has_titlebar || gl_FragCoord.y - position.y > radius) {
         vec2 corner_distance = min(gl_FragCoord.xy - position, size + position - gl_FragCoord.xy);