From 5d65cdb6a8f802054f372a4f197d8df703e85292 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 3 Apr 2020 22:40:33 +0530
Subject: [PATCH] Fix reverse video not being rendered correctly when using
 transparency or a background image

Fixes #2419
---
 docs/changelog.rst     | 6 ++++++
 kitty/cell_vertex.glsl | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/docs/changelog.rst b/docs/changelog.rst
index 7b9981081..45db6bed6 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -4,6 +4,12 @@ Changelog
 |kitty| is a feature full, cross-platform, *fast*, GPU based terminal emulator.
 To update |kitty|, :doc:`follow the instructions <binary>`.
 
+0.17.3 [future]
+
+- Fix reverse video not being rendered correctly when using transparency or a
+  background image (:iss:`2419`)
+
+
 0.17.2 [2020-03-29]
 --------------------
 
diff --git a/kitty/cell_vertex.glsl b/kitty/cell_vertex.glsl
index 9ec87467d..d57bb1f49 100644
--- a/kitty/cell_vertex.glsl
+++ b/kitty/cell_vertex.glsl
@@ -208,7 +208,7 @@ void main() {
 
     // Background {{{
 #ifdef NEEDS_BACKROUND
-    float cell_has_non_default_bg = step(1, float(abs(bg_as_uint - default_colors[bg_index])));
+    float cell_has_non_default_bg = step(1, float(abs(bg_as_uint - default_colors[1])));
     draw_bg = 1;
 
 #if defined(BACKGROUND)