GraphUI MediaButton: Only mark region dirty if already exists

1 files changed, 3 insertions, 1 deletions

diff --git a/src/graphui/classes/com/jogamp/graph/ui/gl/shapes/MediaButton.java b/src/graphui/classes/com/jogamp/graph/ui/gl/shapes/MediaButton.java
index f3090069c..e858093ab 100644
--- a/src/graphui/classes/com/jogamp/graph/ui/gl/shapes/MediaButton.java
+++ b/src/graphui/classes/com/jogamp/graph/ui/gl/shapes/MediaButton.java
@@ -128,7 +128,9 @@ public class MediaButton extends TexSeqButton {
             resetGL = false;
             try {
                 mPlayer.initGL(gl);
-                region.markShapeDirty(); // reset texture data
+                if( null != region ) {
+                    region.markShapeDirty(); // reset texture data
+                }
             } catch (final Exception e) {
                 e.printStackTrace();
             }