diff -r 000000000000 -r 6474c204b198 gfx/layers/d3d9/Nv3DVUtils.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/layers/d3d9/Nv3DVUtils.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,86 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GFX_NV3DVUTILS_H
+#define GFX_NV3DVUTILS_H
+
+#include "Layers.h"
+#include <windows.h>
+#include <d3d9.h>
+
+namespace mozilla {
+namespace layers {
+
+#define FIREFOX_3DV_APP_HANDLE    0xECB992B6
+
+enum Nv_Stereo_Mode {
+  NV_STEREO_MODE_LEFT_RIGHT = 0,
+  NV_STEREO_MODE_RIGHT_LEFT = 1,
+  NV_STEREO_MODE_TOP_BOTTOM = 2,
+  NV_STEREO_MODE_BOTTOM_TOP = 3,
+  NV_STEREO_MODE_MONO       = 4,
+  NV_STEREO_MODE_LAST       = 5
+};
+
+class INv3DVStreaming : public IUnknown {
+
+public:
+  virtual bool Nv3DVInitialize()                  = 0;
+  virtual bool Nv3DVRelease()                     = 0;
+  virtual bool Nv3DVSetDevice(IUnknown* pDevice)  = 0;
+  virtual bool Nv3DVControl(Nv_Stereo_Mode eStereoMode, bool bEnableStereo, DWORD dw3DVAppHandle) = 0;
+  virtual bool Nv3DVMetaData(DWORD dwWidth, DWORD dwHeight, HANDLE hSrcLuma, HANDLE hDst) = 0;
+};
+
+/*
+ * Nv3DVUtils class
+ */
+class Nv3DVUtils {
+
+public:
+  Nv3DVUtils();
+  ~Nv3DVUtils();
+
+  /*
+   * Initializes the Nv3DVUtils object.
+   */
+  void Initialize();
+
+  /*
+   * Release any resources if needed
+   *
+   */
+  void UnInitialize();
+
+  /*
+   * Sets the device info, along with any other initialization that is needed after device creation
+   * Pass the D3D9 device pointer is an IUnknown input argument
+   */
+  void SetDeviceInfo(IUnknown *devUnknown);
+
+  /*
+   * Send Stereo Control Information. Used mainly to re-route 
+   * calls from ImageLayerD3D9 to the 3DV COM object
+   */
+  void SendNv3DVControl(Nv_Stereo_Mode eStereoMode, bool bEnableStereo, DWORD dw3DVAppHandle);
+
+  /*
+   * Send Stereo Metadata. Used mainly to re-route calls 
+   * from ImageLayerD3D9 to the 3DV COM object
+   */
+  void SendNv3DVMetaData(unsigned int dwWidth, unsigned int dwHeight, HANDLE hSrcLuma, HANDLE hDst);
+
+private:
+
+  /* Nv3DVStreaming interface pointer */
+  nsRefPtr<INv3DVStreaming> m3DVStreaming;
+
+};
+
+
+} /* layers */
+} /* mozilla */
+
+#endif /* GFX_NV3DVUTILS_H */