1 files changed, 25 insertions, 0 deletions
diff --git a/src/classes/com/sun/opengl/impl/x11/X11ExternalGLContext.java b/src/classes/com/sun/opengl/impl/x11/X11ExternalGLContext.java
index 411f7c89f..ae61c0063 100755
--- a/src/classes/com/sun/opengl/impl/x11/X11ExternalGLContext.java
+++ b/src/classes/com/sun/opengl/impl/x11/X11ExternalGLContext.java
@@ -51,6 +51,7 @@ public class X11ExternalGLContext extends X11GLContext {
     lockToolkit();
     try {
       context = GLX.glXGetCurrentContext();
+      drawable = new Drawable(GLX.glXGetCurrentDisplay());
     } finally {
       unlockToolkit();
     }
@@ -80,4 +81,28 @@ public class X11ExternalGLContext extends X11GLContext {
   public boolean isCreated() {
     return created;
   }
+
+  // Need to provide the display connection to extension querying APIs
+  class Drawable extends X11GLDrawable {
+    Drawable(long display) {
+      super(null, null);
+      this.display = display;
+    }
+
+    public GLContext createContext(GLContext shareWith) {
+      throw new GLException("Should not call this");
+    }
+
+    public int getWidth() {
+      throw new GLException("Should not call this");
+    }
+
+    public int getHeight() {
+      throw new GLException("Should not call this");
+    }
+
+    public void setSize(int width, int height) {
+      throw new GLException("Should not call this");
+    }
+  }
 }