# HG changeset patch
# User Benjamin Golinvaux <bgo@osimis.io>
# Date 1585081955 -3600
# Node ID 55166e57a77c8b2e5c1bcc546a67133bc0b1ab3d
# Parent  be17fed8c7c53a37a3bd675e7adb993c98062758
doc

diff -r be17fed8c7c5 -r 55166e57a77c Framework/Scene2D/Internals/CompositorHelper.cpp
--- a/Framework/Scene2D/Internals/CompositorHelper.cpp	Tue Mar 24 20:34:28 2020 +0100
+++ b/Framework/Scene2D/Internals/CompositorHelper.cpp	Tue Mar 24 21:32:35 2020 +0100
@@ -104,6 +104,8 @@
           content_.erase(found);
         }
 
+        // the returned renderer can be NULL in case of an unknown layer
+        // or a NullLayer
         std::unique_ptr<ILayerRenderer> renderer(factory_.Create(layer));
 
         if (renderer.get() != NULL)