From 3cac58a787b30171aec37cb14ee73f1a85baa277 Mon Sep 17 00:00:00 2001
From: Asier Arranz <asierarranz@gmail.com>
Date: Tue, 31 Aug 2021 16:04:11 +0200
Subject: [PATCH] Solve OpenGL issues by creating the output object first

In a default JetPack 4.6 fresh installation this script failed to create X11 window. This quick fix restores it.
---
 python/examples/segnet.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/python/examples/segnet.py b/python/examples/segnet.py
index f29c11b20..dbd940158 100755
--- a/python/examples/segnet.py
+++ b/python/examples/segnet.py
@@ -58,12 +58,14 @@
 # set the alpha blending value
 net.SetOverlayAlpha(opt.alpha)
 
+# create video output
+output = jetson.utils.videoOutput(opt.output_URI, argv=sys.argv+is_headless)
+
 # create buffer manager
 buffers = segmentationBuffers(net, opt)
 
-# create video sources & outputs
+# create video source
 input = jetson.utils.videoSource(opt.input_URI, argv=sys.argv)
-output = jetson.utils.videoOutput(opt.output_URI, argv=sys.argv+is_headless)
 
 # process frames until user exits
 while True: