From 490d4455afd4743334c7a9ec06b2ce80325f398e Mon Sep 17 00:00:00 2001
From: Luflosi <luflosi@luflosi.de>
Date: Tue, 8 Jan 2019 16:14:01 +0100
Subject: [PATCH] Fix white background color not allowing transparency

---
 kitty/cell_fragment.glsl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kitty/cell_fragment.glsl b/kitty/cell_fragment.glsl
index 971b28819..504ea9eca 100644
--- a/kitty/cell_fragment.glsl
+++ b/kitty/cell_fragment.glsl
@@ -101,7 +101,7 @@ void main() {
 #else
     // SIMPLE
 #ifdef TRANSPARENT
-    final_color = alpha_blend_premul(fg.rgb, fg.a, background, bg_alpha);
+    final_color = alpha_blend_premul(fg.rgb, fg.a, background * bg_alpha, bg_alpha);
     final_color = vec4(final_color.rgb, final_color.a);
 #else
     // since background alpha is 1.0, it is effectively pre-multiplied