From 254cea63bb325c500dcf5f53be89491354fa4d7b Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Thu, 22 Nov 2018 23:13:58 +0100
Subject: [PATCH] display: fix assertion in threaded pipeline

---
 panda/src/display/graphicsOutput.cxx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/panda/src/display/graphicsOutput.cxx b/panda/src/display/graphicsOutput.cxx
index d473b4bee2..daf9b217b1 100644
--- a/panda/src/display/graphicsOutput.cxx
+++ b/panda/src/display/graphicsOutput.cxx
@@ -441,9 +441,10 @@ is_active() const {
   if (cdata->_active_display_regions_stale) {
     CDWriter cdataw(((GraphicsOutput *)this)->_cycler, cdata, false);
     ((GraphicsOutput *)this)->do_determine_display_regions(cdataw);
+    return !cdataw->_active_display_regions.empty();
+  } else {
+    return !cdata->_active_display_regions.empty();
   }
-
-  return !cdata->_active_display_regions.empty();
 }
 
 /**