if openrocket.debug then redirect stderr to log.debug().

core/src/net/sf/openrocket/gui/figure3d/JoglDebugAdaptor.java

@@ -0,0 +1,42 @@
+package net.sf.openrocket.gui.figure3d;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.PrintStream;
+
+import net.sf.openrocket.logging.LogHelper;
+import net.sf.openrocket.startup.Application;
+
+/**
+ * Redirects system err into OpenRocket's log.debug() if openrocket.debug is enabled.
+ * This lets me capture JOGL debug as log events, which can be included in error reports etc.
+ * I wish I could get the JOGL debug log on a separate printstream, so I do not have to take
+ * over all of ERR.
+ * 
+ * @author bkuker
+ *
+ */
+final class JoglDebugAdaptor {
+	private static final LogHelper log = Application.getLogger();
+
+	final static void plumbJoglDebug() {
+		if (RocketFigure3d.is3dEnabled() && System.getProperty("openrocket.debug") != null) {
+			System.setProperty("jogl.debug", "all");
+
+			System.setErr(new PrintStream(new OutputStream() {
+				StringBuilder sb = new StringBuilder();
+
+				@Override
+				public synchronized void write(int b) throws IOException {
+					if (b == '\r' || b == '\n') {
+						if (sb.toString().trim().length() > 0)
+							log.debug(sb.toString());
+						sb = new StringBuilder();
+					} else {
+						sb.append((char) b);
+					}
+				}
+			}));
+		}
+	}
+}

core/src/net/sf/openrocket/gui/figure3d/RocketFigure3d.java

@@ -52,6 +52,8 @@ public class RocketFigure3d extends JPanel implements GLEventListener {
 	private static final LogHelper log = Application.getLogger();
 	
 	static {
+		JoglDebugAdaptor.plumbJoglDebug();
+		
 		//this allows the GL canvas and things like the motor selection
 		//drop down to z-order themselves.
 		JPopupMenu.setDefaultLightWeightPopupEnabled(false);