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+Name
+
+    NV_native_query
+
+Name Strings
+
+    EGL_NV_native_query
+
+Contributors
+
+    Mathias Heyer, NVIDIA
+    Daniel Kartch, NVIDIA
+    Peter Pipkorn, NVIDIA
+    Acorn Pooley, NVIDIA
+    Greg Roth, NVIDIA
+    
+Contacts
+
+    Peter Pipkorn, NVIDIA Corporation (ppipkorn 'at' nvidia.com)
+
+Status
+
+    Complete
+
+Version
+
+    Version 0.4, 25 Sept, 2012
+
+Number
+
+    EGL Extension #45
+
+Dependencies
+
+    Requires EGL 1.0
+
+    This extension is written against the wording of the EGL 1.4
+    Specification.
+
+Overview
+
+    This extension allows an application to query which native display,
+    pixmap and surface corresponds to a EGL object. 
+
+New Procedures and Functions
+
+    EGLBoolean eglQueryNativeDisplayNV(
+                            EGLDisplay dpy,
+                            EGLNativeDisplayType* display_id);
+
+    EGLBoolean eglQueryNativeWindowNV(
+                            EGLDisplay dpy,
+                            EGLSurface surf,
+                            EGLNativeWindowType* window);
+
+    EGLBoolean eglQueryNativePixmapNV(
+                            EGLDisplay dpy,
+                            EGLSurface surf,
+                            EGLNativePixmapType* pixmap);
+
+Changes to Chapter 3 of the EGL 1.4 Specification (EGL Functions and Errors)
+    
+    In Chapter 3.2, after the description of eglInitialize and before the 
+    description of eglTerminate insert
+
+        "While initialized, the native display that corresponds to an
+         EGLDisplay can retrieved by
+        
+            EGLBoolean eglQueryNativeDisplayNV(
+                            EGLDisplay dpy,
+                            EGLNativeDisplayType* display_id);
+         
+         If the <dpy> is a valid and initialized EGLDisplay, EGL_TRUE
+         will be returned and the native display handle will be written
+         to <display_id>. Otherwise EGL_FALSE will be returned and the
+         contents of <display_id> are left untouched. If the <dpy> is
+         not valid, an EGL_BAD_DISPLAY error will be generated. If <dpy>
+         is not initialized, an EGL_NOT_INITIALIZED error will be
+         generated. If <display_id> is NULL, an EGL_BAD_PARAMETER error
+         will be generated.
+
+    In Chapter 3.5 Rendering Surfaces, after section 3.5.1 insert
+      
+         "The native window that corresponds to an EGLSurface can be
+          retrieved by
+
+            EGLBoolean eglQueryNativeWindowNV(
+                            EGLDisplay dpy,
+                            EGLSurface surf,
+                            EGLNativeWindowType* win);
+
+          The corresponding native window will be written to <win>, 
+          and EGL_TRUE will be returned. If the call fails, EGL_FALSE
+          will be returned, and content of <win> will not be modified.
+          If <dpy> is not a valid EGLDisplay, an EGL_BAD_DISPLAY error
+          will be generated. If <dpy> is not initialized, an EGL_NOT_-
+          INITIALIZED error will be generated. If <surf> is not a valid
+          EGLSurface, or <surf> does not have a corresponding native
+          window, an EGL_BAD_SURFACE error will be generated." If <win>
+          is NULL, an EGL_BAD_PARAMETER error will be generated.
+
+     After section 3.5.4 Creating Native Pixmap Rendering Surfaces insert
+      
+         "The native pixmap that corresponds to an EGLSurface can be
+          retrieved by
+
+            EGLBoolean eglQueryNativePixmapNV(
+                            EGLDisplay dpy,
+                            EGLSurface surf,
+                            EGLNativePixmapType* pixmap);
+
+          The corresponding native pixmap will be written to <pixmap>, 
+          and EGL_TRUE will be returned. If the call fails, EGL_FALSE
+          will be returned, and the content of <pixmap> will not be
+          modified. If <dpy> is not a valid EGLDisplay, an EGL_BAD_-
+          DISPLAY error will be generated. If <dpy> is not initialized,
+          an EGL_NOT_INITIALIZED error will be generated. If <surf> is
+          not a valid EGLSurface, or <surf> does not have a corresponding
+          native pixmap, an EGL_BAD_SURFACE error will be generated." If
+          <pixmap> is NULL, an EGL_BAD_PARAMETER error will be
+          generated.
+
+Issues
+    
+Revision History
+#4 (Greg Roth, Sept 25, 2012)
+   - Further document all potential errors for all functions
+
+#3 (Daniel Kartch, August 30, 2011)
+   - Add restriction that EGLDisplay be initialized
+
+#2 (Peter Pipkorn, December 16, 2009)
+   - Minor cleanup
+
+#1 (Peter Pipkorn, December 15, 2009)
+   - First Draft
+