From b7b1a1f1c6c3ce7497a387e33a1cdae2f90636fa Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 25 Feb 2019 14:32:56 +0530
Subject: [PATCH] Blank the window at creation so that there is no initial
 flash of color changing, in case the background color is not black

Fixes #1404
---
 kitty/glfw.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kitty/glfw.c b/kitty/glfw.c
index a1b7368f8..a56808fea 100644
--- a/kitty/glfw.c
+++ b/kitty/glfw.c
@@ -599,6 +599,10 @@ create_os_window(PyObject UNUSED *self, PyObject *args) {
             warned = true;
         }
     }
+    // blank the window once so that there is no initial flash of color
+    // changing, in case the background color is not black
+    blank_os_window(w);
+    swap_window_buffers(w);
     return PyLong_FromUnsignedLongLong(w->id);
 }