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diff --git a/src/glx/apple/apple_glx_context.h b/src/glx/apple/apple_glx_context.h
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+++ b/src/glx/apple/apple_glx_context.h
@@ -0,0 +1,85 @@
+/*
+ Copyright (c) 2008, 2009 Apple Inc.
+ 
+ Permission is hereby granted, free of charge, to any person
+ obtaining a copy of this software and associated documentation files
+ (the "Software"), to deal in the Software without restriction,
+ including without limitation the rights to use, copy, modify, merge,
+ publish, distribute, sublicense, and/or sell copies of the Software,
+ and to permit persons to whom the Software is furnished to do so,
+ subject to the following conditions:
+ 
+ The above copyright notice and this permission notice shall be
+ included in all copies or substantial portions of the Software.
+ 
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT.  IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT
+ HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ DEALINGS IN THE SOFTWARE.
+ 
+ Except as contained in this notice, the name(s) of the above
+ copyright holders shall not be used in advertising or otherwise to
+ promote the sale, use or other dealings in this Software without
+ prior written authorization.
+*/
+#ifndef APPLE_GLX_CONTEXT_H
+#define APPLE_GLX_CONTEXT_H
+
+#include <stdbool.h>
+#include <X11/Xlib.h>
+#include <GL/glx.h>
+#include <OpenGL/CGLTypes.h>
+#include <OpenGL/CGLContext.h>
+#define XP_NO_X_HEADERS
+#include <Xplugin.h>
+#undef XP_NO_X_HEADERS
+
+#include "apple_glx_drawable.h"
+
+struct apple_glx_context
+{
+   CGLContextObj context_obj;
+   CGLPixelFormatObj pixel_format_obj;
+   struct apple_glx_drawable *drawable;
+   pthread_t thread_id;
+   int screen;
+   bool double_buffered;
+   bool uses_stereo;
+   bool need_update;
+   bool is_current;             /* True if the context is current in some thread. */
+   bool made_current;           /* True if the context has ever been made current. */
+
+   /*
+    * last_surface is set by the pending_destroy code handler for a drawable.
+    * Due to a CG difference, we have to recreate a surface if the window
+    * is unmapped and mapped again.
+    */
+   Window last_surface_window;
+   struct apple_glx_context *previous, *next;
+};
+
+bool apple_glx_create_context(void **ptr, Display * dpy, int screen,
+                              const void *mode, void *sharedContext,
+                              int *errorptr, bool * x11errorptr);
+void apple_glx_destroy_context(void **ptr, Display * dpy);
+
+bool apple_glx_make_current_context(Display * dpy, void *oldptr, void *ptr,
+                                    GLXDrawable drawable);
+bool apple_glx_is_current_drawable(Display * dpy, void *ptr,
+                                   GLXDrawable drawable);
+
+bool apple_glx_copy_context(void *currentptr, void *srcptr, void *destptr,
+                            unsigned long mask, int *errorptr,
+                            bool * x11errorptr);
+
+int apple_glx_context_surface_changed(unsigned int uid, pthread_t caller);
+
+void apple_glx_context_update(Display * dpy, void *ptr);
+
+bool apple_glx_context_uses_stereo(void *ptr);
+
+#endif /*APPLE_GLX_CONTEXT_H */