1 files changed, 10 insertions, 0 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/GLContextImpl.java b/src/jogl/classes/com/jogamp/opengl/impl/GLContextImpl.java
index 826523a5c..fd8c85398 100644
--- a/src/jogl/classes/com/jogamp/opengl/impl/GLContextImpl.java
+++ b/src/jogl/classes/com/jogamp/opengl/impl/GLContextImpl.java
@@ -275,6 +275,16 @@ public abstract class GLContextImpl extends GLContext {
       GLWorkerThread.invokeLater(new Runnable() { public void run() {} });
     }
 
+    if (!isCreated()) {
+        // verify if the drawable if valid ..
+        if (0 == getGLDrawable().getNativeWindow().getSurfaceHandle()) {
+            throw new GLException("drawable has invalid surface handle: "+getGLDrawable());
+        }
+        if (null == getGLDrawable().getChosenGLCapabilities()) {
+            throw new GLException("drawable has no chosen GLCapabilities: "+getGLDrawable());
+        }
+    }
+
     lock.lock();
     int res = 0;
     try {