From 216044ffa453ef4e97ab773f3683662d0d351c05 Mon Sep 17 00:00:00 2001
From: Elias Naur <elias.naur@gmail.com>
Date: Fri, 10 Nov 2006 11:44:00 +0000
Subject: [PATCH] AWTGLCanvas: Make sure we don't paint while destroying the
 canvas

---
 src/java/org/lwjgl/opengl/AWTGLCanvas.java | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/java/org/lwjgl/opengl/AWTGLCanvas.java b/src/java/org/lwjgl/opengl/AWTGLCanvas.java
index 991339bd..0bbf590f 100644
--- a/src/java/org/lwjgl/opengl/AWTGLCanvas.java
+++ b/src/java/org/lwjgl/opengl/AWTGLCanvas.java
@@ -191,8 +191,10 @@ public class AWTGLCanvas extends Canvas implements Drawable, ComponentListener,
 	 * @see java.awt.Component#removeNotify()
 	 */
 	public void removeNotify() {
-		destroyContext();
-		super.removeNotify();
+		synchronized (SYNC_LOCK) {
+			destroyContext();
+			super.removeNotify();
+		}
 	} 
 	
 	/**
@@ -284,6 +286,8 @@ public class AWTGLCanvas extends Canvas implements Drawable, ComponentListener,
 	 */
 	public final void paint(Graphics g) {
 		synchronized (SYNC_LOCK) {
+			if (!isDisplayable())
+				return;
 			try {
 				if (peer_info == null) {
 					this.peer_info = implementation.createPeerInfo(this, pixel_format);