diff --git a/src/java/org/lwjgl/opengl/Pbuffer.java b/src/java/org/lwjgl/opengl/Pbuffer.java
index 6a6aabdb..eba7fc87 100644
--- a/src/java/org/lwjgl/opengl/Pbuffer.java
+++ b/src/java/org/lwjgl/opengl/Pbuffer.java
@@ -158,6 +158,15 @@ public final class Pbuffer {
 		Sys.initialize();
 	}
 
+	/**
+	 * Determine whether the Pbuffer is using the Display context.
+	 *
+	 * @return true of the Pbuffer is using the Display context, false if not.
+	 */
+	public boolean isUsingDisplayContext() {
+		return display_context != null;
+	}
+
 	/**
 	 * Create an instance of a Pbuffer using the Display context. The buffer is double-buffered, like the Display.
 	 * <p/>