Add a factory and defines for native Linux surfaces.

third_party/khronos/EGL/eglplatform.h

 #ifndef __eglplatform_h_
 #define __eglplatform_h_
 
 /*
 ** Copyright (c) 2007-2009 The Khronos Group Inc.
 **
 ** Permission is hereby granted, free of charge, to any person obtaining a
 ** copy of this software and/or associated documentation files (the
 ** "Materials"), to deal in the Materials without restriction, including
 ** without limitation the rights to use, copy, modify, merge, publish,
@@ skipping 76 matching lines @@
 #elif defined(__ANDROID__) || defined(ANDROID)
 
 #include <android/native_window.h>
 
 struct egl_native_pixmap_t;
 
 typedef struct ANativeWindow*           EGLNativeWindowType;
 typedef struct egl_native_pixmap_t*     EGLNativePixmapType;
 typedef void*                           EGLNativeDisplayType;
 
+#elif defined(USE_NATIVE_SURFACE_LINUX)
+
+typedef int   EGLNativeDisplayType;

[DaveMoore, 2013/04/30 17:53:42]

Nit: either align the type names or only one space between int and EGL

[rjkroege, 2013/05/06 18:46:24]

Done.

+typedef intptr_t EGLNativeWindowType;
+typedef intptr_t EGLNativePixmapType;
+
 #elif defined(__unix__)
 
 /* X11 (tentative)  */
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 
 typedef Display *EGLNativeDisplayType;
 typedef Pixmap   EGLNativePixmapType;
 typedef Window   EGLNativeWindowType;
 
@@ skipping 23 matching lines @@
 /* Define EGLint. This must be a signed integral type large enough to contain
  * all legal attribute names and values passed into and out of EGL, whether
  * their type is boolean, bitmask, enumerant (symbolic constant), integer,
  * handle, or other.  While in general a 32-bit integer will suffice, if
  * handles are 64 bit types, then EGLint should be defined as a signed 64-bit
  * integer type.
  */
 typedef khronos_int32_t EGLint;
 
 #endif /* __eglplatform_h */