1 files changed, 5 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/opengl/util/stereo/GenericStereoDevice.java b/src/jogl/classes/jogamp/opengl/util/stereo/GenericStereoDevice.java
index 5bfc775fa..9c0a5045b 100644
--- a/src/jogl/classes/jogamp/opengl/util/stereo/GenericStereoDevice.java
+++ b/src/jogl/classes/jogamp/opengl/util/stereo/GenericStereoDevice.java
@@ -157,6 +157,11 @@ public class GenericStereoDevice implements StereoDevice {
     }
 
     @Override
+    public boolean isValid() {
+        return true;
+    }
+
+    @Override
     public final PointImmutable getPosition() {
         return surfacePos;
     }