16-bit video upload to float: intermediate R16_EXT and copy to float.

third_party/khronos/EGL/eglplatform.h

 #ifndef __eglplatform_h_
 #define __eglplatform_h_
 
 /*
-** Copyright (c) 2007-2009 The Khronos Group Inc.
+** Copyright (c) 2007-2016 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,
 ** distribute, sublicense, and/or sell copies of the Materials, and to
 ** permit persons to whom the Materials are 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 Materials.
 **
 ** THE MATERIALS ARE 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 AUTHORS OR COPYRIGHT HOLDERS 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
 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
 */
 
 /* Platform-specific types and definitions for egl.h
- * $Revision: 12306 $ on $Date: 2010-08-25 09:51:28 -0700 (Wed, 25 Aug 2010) $
+ * $Revision: 30994 $ on $Date: 2015-04-30 13:36:48 -0700 (Thu, 30 Apr 2015) $
  *
  * Adopters may modify khrplatform.h and this file to suit their platform.
  * You are encouraged to submit all modifications to the Khronos group so that
  * they can be included in future versions of this file.  Please submit changes
  * by sending them to the public Khronos Bugzilla (http://khronos.org/bugzilla)
  * by filing a bug against product "EGL" component "Registry".
  */
 
 #include <KHR/khrplatform.h>
 
@@ skipping 37 matching lines @@
 typedef HDC     EGLNativeDisplayType;
 typedef HBITMAP EGLNativePixmapType;
 typedef HWND    EGLNativeWindowType;
 
 #elif defined(__WINSCW__) || defined(__SYMBIAN32__)  /* Symbian */
 
 typedef int   EGLNativeDisplayType;
 typedef void *EGLNativeWindowType;
 typedef void *EGLNativePixmapType;
 
-// From Android NDK.
 #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_OZONE)
 
+/* Chromium-specific */
 typedef intptr_t EGLNativeDisplayType;
 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;
 
 #elif defined(__APPLE__)
 
-// TODO(gman): these are place holders.
+/* Chromium-specific __APPLE__ EGLNative* definition */
 typedef void          *EGLNativeDisplayType;
 typedef int            EGLNativePixmapType;
 #ifdef __OBJC__
 @class NSView;
 typedef NSView *EGLNativeWindowType;
 #else
 struct NSView;
 typedef struct NSView *EGLNativeWindowType;
 #endif  // __OBJC__
 
 #else
 #error "Platform not recognized"
 #endif
 
 /* EGL 1.2 types, renamed for consistency in EGL 1.3 */
 typedef EGLNativeDisplayType NativeDisplayType;
 typedef EGLNativePixmapType  NativePixmapType;
 typedef EGLNativeWindowType  NativeWindowType;
 
 
 /* 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;
 
+
+/* C++ / C typecast macros for special EGL handle values */
+#if defined(__cplusplus)
+#define EGL_CAST(type, value) (static_cast<type>(value))
+#else
+#define EGL_CAST(type, value) ((type) (value))
+#endif
+
 #endif /* __eglplatform_h */