Added error checking during startup

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/jogl-demos/branches/JOGL_2_SANDBOX@251 3298f667-5e0e-4b4a-8ed4-a3559d26a5f4

1 files changed, 6 insertions, 1 deletions

diff --git a/src/demos/es1/RedSquare.java b/src/demos/es1/RedSquare.java
index 1e64d89..97b6730 100755
--- a/src/demos/es1/RedSquare.java
+++ b/src/demos/es1/RedSquare.java
@@ -64,7 +64,12 @@ public class RedSquare implements MouseListener {
             window.setVisible(true);
             drawable.setRealized(true);
             GLContext context = drawable.createContext(null);
-            context.makeCurrent();
+            System.out.println("Created context: " + context);
+            int res = context.makeCurrent();
+            if (res == GLContext.CONTEXT_NOT_CURRENT) {
+                System.out.println("Unable to make OpenGL context current, exiting...");
+                System.exit(0);
+            }
 
             GL2ES1 gl = context.getGL().getGL2ES1();
             System.out.println("Created GL: "+gl);