1 files changed, 11 insertions, 1 deletions
diff --git a/src/demos/es2/RedSquare.java b/src/demos/es2/RedSquare.java
index de7563e..b224233 100755
--- a/src/demos/es2/RedSquare.java
+++ b/src/demos/es2/RedSquare.java
@@ -80,7 +80,7 @@ public class RedSquare implements MouseListener, GLEventListener {
             }
 
             // Shut things down cooperatively
-            window.close();
+            window.destroy();
             window.getFactory().shutdown();
             System.out.println("RedSquare shut down cleanly.");
         } catch (Throwable t) {
@@ -189,6 +189,16 @@ public class RedSquare implements MouseListener, GLEventListener {
         st.glUseProgram(gl, false);
     }
 
+    public void dispose(GLAutoDrawable drawable) {
+        GL2ES2 gl = drawable.getGL().getGL2ES2();
+
+        st.destroy(gl);
+        st=null;
+        pmvMatrix.destroy();
+        pmvMatrix=null;
+        quit=true;
+    }
+
     public void display(GLAutoDrawable drawable) {
         GL2ES2 gl = drawable.getGL().getGL2ES2();