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diff --git a/LibOVR/Src/CAPI/D3D1X/CAPI_D3D1X_DistortionRenderer.h b/LibOVR/Src/CAPI/D3D1X/CAPI_D3D1X_DistortionRenderer.h
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+/************************************************************************************
+
+Filename    :   CAPI_D3D1X_DistortionRenderer.h
+Content     :   Experimental distortion renderer
+Created     :   November 11, 2013
+Authors     :   Volga Aksoy
+
+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.
+
+************************************************************************************/
+
+// No include guard, since this fill will be multiply-included. 
+//#ifndef OVR_CAPI_D3D1X_DistortionRenderer_h
+
+#include "CAPI_D3D1X_Util.h"
+#include "../CAPI_DistortionRenderer.h"
+
+#include "../../Kernel/OVR_Log.h"
+
+namespace OVR { namespace CAPI { namespace D3D_NS {
+
+
+// ***** D3D1X::DistortionRenderer
+
+// Implementation of DistortionRenderer for D3D10/11.
+
+class DistortionRenderer : public CAPI::DistortionRenderer
+{
+public:    
+    DistortionRenderer(ovrHmd hmd,
+                       FrameTimeManager& timeManager,
+                       const HMDRenderState& renderState);
+    ~DistortionRenderer();
+
+    
+    // Creation function for the device.    
+    static CAPI::DistortionRenderer* Create(ovrHmd hmd,
+                                            FrameTimeManager& timeManager,
+                                            const HMDRenderState& renderState);
+
+
+    // ***** Public DistortionRenderer interface
+
+    virtual bool Initialize(const ovrRenderAPIConfig* apiConfig,
+                            unsigned hmdCaps, unsigned distortionCaps);
+
+    virtual void SubmitEye(int eyeId, ovrTexture* eyeTexture);
+
+    virtual void EndFrame(bool swapBuffers, unsigned char* latencyTesterDrawColor, unsigned char* latencyTester2DrawColor);
+
+    // TBD: Make public?
+    void         WaitUntilGpuIdle();
+
+	// Similar to ovr_WaitTillTime but it also flushes GPU.
+	// Note, it exits when time expires, even if GPU is not in idle state yet.
+	double       FlushGpuAndWaitTillTime(double absTime);
+
+private:
+    // Helpers
+    void initBuffersAndShaders();
+    void initShaders();
+    void initFullscreenQuad();
+    void destroy();
+
+    void setViewport(const Recti& vp);
+
+    void renderDistortion(Texture* leftEyeTexture, Texture* rightEyeTexture);
+
+    void renderPrimitives(const ShaderFill* fill, Buffer* vertices, Buffer* indices,
+                          Matrix4f* viewMatrix, int offset, int count,
+                          PrimitiveType rprim);
+
+    void createDrawQuad();
+    void renderLatencyQuad(unsigned char* latencyTesterDrawColor);
+    void renderLatencyPixel(unsigned char* latencyTesterPixelColor);
+
+    // Create or get cached D3D sampler based on flags.
+    ID3D1xSamplerState* getSamplerState(int sm);
+
+    
+    // TBD: Should we be using oe from RState instead?
+    unsigned            DistortionCaps;
+
+    // D3DX device and utility variables.
+    RenderParams        RParams;    
+    Ptr<Texture>        pEyeTextures[2];
+	
+    // U,V scale and offset needed for timewarp.
+    ovrVector2f         UVScaleOffset[2][2];
+
+    //Ptr<Buffer>         mpFullScreenVertexBuffer;
+
+	Ptr<Buffer>         DistortionMeshVBs[2];    // one per-eye
+	Ptr<Buffer>         DistortionMeshIBs[2];    // one per-eye
+
+	Ptr<ShaderSet>      DistortionShader;
+	Ptr<ID3D1xInputLayout> DistortionVertexIL;
+
+    struct StandardUniformData
+    {
+        Matrix4f  Proj;
+        Matrix4f  View;
+    }                   StdUniforms;
+    Ptr<Buffer>         UniformBuffers[Shader_Count];
+    
+    Ptr<ID3D1xSamplerState>     SamplerStates[Sample_Count];
+    Ptr<ID3D1xRasterizerState>  Rasterizer;
+
+    Ptr<Buffer>         LatencyTesterQuadVB;
+    Ptr<ShaderSet>      SimpleQuadShader;
+    Ptr<ID3D1xInputLayout> SimpleQuadVertexIL;
+
+    GpuTimer GpuProfiler;
+};
+
+}}} // OVR::CAPI::D3D1X