Added GLDrawableFactory.createExternalGLContext,

canCreateExternalGLDrawable and createExternalGLDrawable, needed for
interacting with third-party libraries which use OpenGL. Need to
have the addition of these methods approved by the expert group.


git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/branches/JSR-231@347 232f8b59-042b-4e1e-8c03-345bb8c30851

1 files changed, 82 insertions, 0 deletions

diff --git a/src/net/java/games/jogl/impl/x11/X11ExternalGLContext.java b/src/net/java/games/jogl/impl/x11/X11ExternalGLContext.java
new file mode 100755
index 000000000..5de4228d2
--- /dev/null
+++ b/src/net/java/games/jogl/impl/x11/X11ExternalGLContext.java
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ * 
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package net.java.games.jogl.impl.x11;
+
+import net.java.games.jogl.*;
+import net.java.games.jogl.impl.*;
+
+public class X11ExternalGLContext extends X11GLContext {
+  private boolean firstMakeCurrent = true;
+  private boolean created = true;
+
+  public X11ExternalGLContext() {
+    super(null, null);
+    lockAWT();
+    try {
+      context = GLX.glXGetCurrentContext();
+    } finally {
+      unlockAWT();
+    }
+    GLContextShareSet.contextCreated(this);
+    resetGLFunctionAvailability();
+  }
+
+  protected void create() {
+  }
+
+  protected int makeCurrentImpl() throws GLException {
+    if (firstMakeCurrent) {
+      return CONTEXT_CURRENT_NEW;
+    }
+    return CONTEXT_CURRENT;
+  }
+
+  protected void releaseImpl() throws GLException {
+  }
+
+  protected void destroyImpl() throws GLException {
+    created = false;
+    GLContextShareSet.contextDestroyed(this);
+  }
+
+  public boolean isCreated() {
+    return created;
+  }
+}