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diff --git a/LibOVR/Src/OVR_CAPI_D3D.h b/LibOVR/Src/OVR_CAPI_D3D.h
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+/************************************************************************************
+
+Filename    :   OVR_CAPI_D3D.h
+Content     :   D3D specific structures used by the CAPI interface.
+Created     :   November 7, 2013
+Authors     :   Michael Antonov
+
+Copyright   :   Copyright 2014 Oculus VR, Inc. All Rights reserved.
+
+Licensed under the Oculus VR Rift SDK License Version 3.1 (the "License"); 
+you may not use the Oculus VR Rift SDK except in compliance with the License, 
+which is provided at the time of installation or download, or which 
+otherwise accompanies this software in either electronic or hard copy form.
+
+You may obtain a copy of the License at
+
+http://www.oculusvr.com/licenses/LICENSE-3.1 
+
+Unless required by applicable law or agreed to in writing, the Oculus VR SDK 
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+************************************************************************************/
+#ifndef OVR_CAPI_D3D_h
+#define OVR_CAPI_D3D_h
+
+#include "OVR_CAPI.h"
+
+#ifndef OVR_D3D_VERSION
+#error Please define OVR_D3D_VERSION to 9 or 10 or 11 before including OVR_CAPI_D3D.h
+#endif
+
+
+#if defined(OVR_D3D_VERSION) && (OVR_D3D_VERSION == 11)
+
+//-----------------------------------------------------------------------------------
+// ***** D3D11 Specific
+
+#include <d3d11.h>
+
+// Used to configure slave D3D rendering (i.e. for devices created externally).
+struct ovrD3D11ConfigData
+{
+    // General device settings.
+    ovrRenderAPIConfigHeader Header;
+	ID3D11Device*            pDevice;
+    ID3D11DeviceContext*     pDeviceContext;
+    ID3D11RenderTargetView*  pBackBufferRT;
+    IDXGISwapChain*          pSwapChain;
+};
+
+union ovrD3D11Config
+{
+    ovrRenderAPIConfig Config;
+    ovrD3D11ConfigData D3D11;
+};
+
+// Used to pass D3D11 eye texture data to ovrHmd_EndFrame.
+struct ovrD3D11TextureData
+{
+    // General device settings.
+    ovrTextureHeader          Header;
+    ID3D11Texture2D*          pTexture;
+    ID3D11ShaderResourceView* pSRView;
+};
+
+union ovrD3D11Texture
+{
+    ovrTexture          Texture;
+    ovrD3D11TextureData D3D11;
+};
+
+
+
+#elif defined(OVR_D3D_VERSION) && (OVR_D3D_VERSION == 10)
+
+//-----------------------------------------------------------------------------------
+// ***** D3D10 Specific
+
+// Used to configure slave D3D rendering (i.e. for devices created externally).
+struct ovrD3D10ConfigData
+{
+    // General device settings.
+    ovrRenderAPIConfigHeader Header;
+    ID3D10Device*            pDevice;
+    void*                    Unused;
+    ID3D10RenderTargetView*  pBackBufferRT;
+    IDXGISwapChain*          pSwapChain;
+};
+
+union ovrD3D10Config
+{
+    ovrRenderAPIConfig Config;
+    ovrD3D10ConfigData D3D10;
+};
+
+// Used to pass D3D10 eye texture data to ovrHmd_EndFrame.
+struct ovrD3D10TextureData
+{
+    // General device settings.
+    ovrTextureHeader          Header;
+    ID3D10Texture2D*          pTexture;
+    ID3D10ShaderResourceView* pSRView;
+};
+
+union ovrD3D10Texture
+{
+    ovrTexture          Texture;
+    ovrD3D10TextureData D3D10;
+};
+
+#elif defined(OVR_D3D_VERSION) && (OVR_D3D_VERSION == 9)
+
+//-----------------------------------------------------------------------------------
+// ***** D3D9 Specific
+
+// Used to configure D3D9 rendering 
+struct ovrD3D9ConfigData
+{
+    // General device settings.
+    ovrRenderAPIConfigHeader Header;
+    
+	IDirect3DDevice9   *        pDevice;               
+    ///ID3D10RenderTargetView*  pBackBufferRT;
+    ///IDXGISwapChain*          pSwapChain;
+};
+
+union ovrD3D9Config
+{
+    ovrRenderAPIConfig Config;
+    ovrD3D9ConfigData D3D9;
+};
+
+// Used to pass D3D9 eye texture data to ovrHmd_EndFrame.
+struct ovrD3D9TextureData
+{
+    // General device settings.
+    ovrTextureHeader            Header;
+    IDirect3DTexture9         * pTexture;  
+   ///ID3D10ShaderResourceView* pSRView;
+};
+
+union ovrD3D9Texture
+{
+    ovrTexture         Texture;
+    ovrD3D9TextureData D3D9;
+};
+
+
+
+#endif
+
+
+#endif	// OVR_CAPI_h