From 45fa88a5904d3740313bd86b7837f21b3c27ca7f Mon Sep 17 00:00:00 2001
From: Kenneth Russel <kbrussel@alum.mit.edu>
Date: Thu, 29 May 2008 12:24:38 +0000
Subject: Made call to ByteOrder.nativeOrder() in BufferUtil reflective so it
 can be done when running on Java SE even if the code is compiled on CDC/FP.
 Fixed bug in WindowsWindow.c where upcalls from native WndProc were not being
 made.

git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/branches/JOGL_2_SANDBOX@1647 232f8b59-042b-4e1e-8c03-345bb8c30851
---
 src/classes/com/sun/opengl/util/BufferUtil.java | 39 +++++++++++++++++++++++--
 1 file changed, 37 insertions(+), 2 deletions(-)

(limited to 'src/classes')

diff --git a/src/classes/com/sun/opengl/util/BufferUtil.java b/src/classes/com/sun/opengl/util/BufferUtil.java
index 756f568b4..392a03974 100755
--- a/src/classes/com/sun/opengl/util/BufferUtil.java
+++ b/src/classes/com/sun/opengl/util/BufferUtil.java
@@ -42,6 +42,8 @@ package com.sun.opengl.util;
 import java.nio.*;
 import java.util.*;
 
+import java.lang.reflect.*;
+
 /** Utility routines for dealing with direct buffers. */
 
 public class BufferUtil {
@@ -82,8 +84,7 @@ public class BufferUtil {
       the host platform's native byte order. */
   public static ByteBuffer newByteBuffer(int numElements) {
     ByteBuffer bb = ByteBuffer.allocateDirect(numElements);
-    // FIXME: refactor dependencies on Java SE buffer classes
-    //  bb.order(ByteOrder.nativeOrder());
+    nativeOrder(bb);
     return bb;
   }
     
@@ -228,4 +229,38 @@ public class BufferUtil {
   //    dest.rewind();
   //    return dest;
   //  }
+
+  //----------------------------------------------------------------------
+  // Internals only below this point
+  //
+
+  // NOTE that this work must be done reflectively at the present time
+  // because this code must compile and run correctly on both CDC/FP and J2SE
+  private static boolean isCDCFP;
+  private static Class byteOrderClass;
+  private static Object nativeOrderObject;
+  private static Method orderMethod;
+
+  private static void nativeOrder(ByteBuffer buf) {
+    if (!isCDCFP) {
+      try {
+        if (byteOrderClass == null) {
+          byteOrderClass = Class.forName("java.nio.ByteOrder");
+          orderMethod = ByteBuffer.class.getMethod("order", new Class[] { byteOrderClass });
+          Method nativeOrderMethod = byteOrderClass.getMethod("nativeOrder", null);
+          nativeOrderObject = nativeOrderMethod.invoke(null, null);
+        }
+      } catch (Throwable t) {
+        // Must be running on CDC / FP
+        isCDCFP = true;
+      }
+
+      if (!isCDCFP) {
+        try {
+          orderMethod.invoke(buf, new Object[] { nativeOrderObject });
+        } catch (Throwable t) {
+        }
+      }
+    }
+  }
 }
-- 
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