diff -r 000000000000 -r 6474c204b198 gfx/angle/src/libEGL/main.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/angle/src/libEGL/main.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,62 @@
+//
+// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// main.h: Management of thread-local data.
+
+#ifndef LIBEGL_MAIN_H_
+#define LIBEGL_MAIN_H_
+
+#define EGLAPI
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+namespace egl
+{
+struct Current
+{
+    EGLint error;
+    EGLenum API;
+    EGLDisplay display;
+    EGLSurface drawSurface;
+    EGLSurface readSurface;
+};
+
+void setCurrentError(EGLint error);
+EGLint getCurrentError();
+
+void setCurrentAPI(EGLenum API);
+EGLenum getCurrentAPI();
+
+void setCurrentDisplay(EGLDisplay dpy);
+EGLDisplay getCurrentDisplay();
+
+void setCurrentDrawSurface(EGLSurface surface);
+EGLSurface getCurrentDrawSurface();
+
+void setCurrentReadSurface(EGLSurface surface);
+EGLSurface getCurrentReadSurface();
+
+void error(EGLint errorCode);
+
+template<class T>
+const T &error(EGLint errorCode, const T &returnValue)
+{
+    error(errorCode);
+
+    return returnValue;
+}
+
+template<class T>
+const T &success(const T &returnValue)
+{
+    egl::setCurrentError(EGL_SUCCESS);
+
+    return returnValue;
+}
+
+}
+
+#endif  // LIBEGL_MAIN_H_