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Diffstat (limited to 'src/jogl/classes/jogamp/opengl/GLDrawableFactoryImpl.java')
-rw-r--r--src/jogl/classes/jogamp/opengl/GLDrawableFactoryImpl.java3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/opengl/GLDrawableFactoryImpl.java b/src/jogl/classes/jogamp/opengl/GLDrawableFactoryImpl.java
index 34bb8704a..f092288fb 100644
--- a/src/jogl/classes/jogamp/opengl/GLDrawableFactoryImpl.java
+++ b/src/jogl/classes/jogamp/opengl/GLDrawableFactoryImpl.java
@@ -381,6 +381,9 @@ public abstract class GLDrawableFactoryImpl extends GLDrawableFactory {
if(null == device) {
throw new GLException("No shared device for requested: "+deviceReq);
}
+ if(0 == windowHandle) {
+ throw new IllegalArgumentException("Null windowHandle");
+ }
device.lock();
try {