Added check before using pointer

2016-06-23 16:39:36 +01:00
parent eb4dcba21a
commit 4c38068eb8
1 changed files with 5 additions and 2 deletions
--- a/src/osgViewer/ViewerBase.cpp
+++ b/src/osgViewer/ViewerBase.cpp
@@ -455,8 +455,11 @@ void ViewerBase::startThreading()
            if (_startRenderingBarrier.valid()) camera->getCameraThread()->add(_startRenderingBarrier.get());

            Renderer* renderer = dynamic_cast<Renderer*>(camera->getRenderer());
-            renderer->setGraphicsThreadDoesCull(false);
-            camera->getCameraThread()->add(renderer);
+            if (renderer)
+            {
+                renderer->setGraphicsThreadDoesCull(false);
+                camera->getCameraThread()->add(renderer);
+            }

            if (_endRenderingDispatchBarrier.valid())
            {