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diff --git a/demo/d3d/renderParamsD3D.h b/demo/d3d/renderParamsD3D.h
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+/*
+ * Copyright (c) 2008-2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * NVIDIA CORPORATION and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto.  Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA CORPORATION is strictly prohibited.
+ */
+
+#pragma once
+
+#define NOMINMAX
+
+#include "core/maths.h"
+#include <DirectXMath.h>
+
+#include "shaderCommonD3D.h"
+
+struct ShadowMapD3D;
+
+typedef DirectX::XMFLOAT3 float3;
+typedef DirectX::XMFLOAT4 float4;
+typedef DirectX::XMFLOAT4X4 float4x4;
+
+struct DiffuseDrawParamsD3D
+{
+	DirectX::XMMATRIX projection;
+	DirectX::XMMATRIX view;
+	DirectX::XMMATRIX model;
+
+	float diffuseRadius;  // point size in world space
+	float diffuseScale;   // scale to calculate size in pixels
+	float spotMin;
+	float spotMax;
+	float motionScale;
+
+	DirectX::XMMATRIX lightTransform;
+	float3 lightPos;
+	float3 lightDir;
+
+	float4 color;
+
+	float4 shadowTaps[12];
+	ShadowMapD3D* shadowMap;
+
+	int mode;
+};
+
+enum FluidRenderMode
+{
+	FLUID_RENDER_WIREFRAME,
+	FLUID_RENDER_SOLID,
+	NUM_FLUID_RENDER_MODES
+};
+
+enum FluidCullMode
+{
+	FLUID_CULL_NONE,
+	FLUID_CULL_FRONT,
+	FLUID_CULL_BACK,
+	NUM_FLUID_CULL_MODES
+};
+
+enum FluidDrawStage
+{
+	FLUID_DRAW_NULL,
+	FLUID_DRAW_SHADOW,
+	FLUID_DRAW_REFLECTION,
+	FLUID_DRAW_LIGHT
+};
+
+struct FluidDrawParamsD3D
+{
+	FluidRenderMode renderMode;
+	FluidCullMode cullMode;
+	FluidDrawStage renderStage;
+
+	int offset;
+	int n;
+
+	DirectX::XMMATRIX projection;
+	DirectX::XMMATRIX view;
+	DirectX::XMMATRIX model;
+
+	float4 invTexScale;
+
+	float3 invViewport;
+	float3 invProjection;
+
+	float blurRadiusWorld;
+	float blurScale;
+	float blurFalloff;
+	int debug;
+
+	float3 lightPos;
+	float3 lightDir;
+	DirectX::XMMATRIX lightTransform;
+
+	float4 color;
+	float4 clipPosToEye;
+
+	float spotMin;
+	float spotMax;
+	float ior;
+
+	ShadowMapD3D* shadowMap;
+
+	// Used on D3D12
+	int m_srvDescriptorBase;			
+	int m_sampleDescriptorBase;
+};
+
+enum MeshRenderMode
+{
+	MESH_RENDER_WIREFRAME,
+	MESH_RENDER_SOLID,
+	NUM_MESH_RENDER_MODES
+};
+
+enum MeshCullMode
+{
+	MESH_CULL_NONE,
+	MESH_CULL_FRONT,
+	MESH_CULL_BACK,
+	NUM_MESH_CULL_MODES
+};
+
+enum MeshDrawStage
+{
+	MESH_DRAW_NULL,
+	MESH_DRAW_SHADOW,
+	MESH_DRAW_REFLECTION,
+	MESH_DRAW_LIGHT
+};
+
+struct MeshDrawParamsD3D
+{
+	MeshRenderMode renderMode;
+	MeshCullMode cullMode;
+	MeshDrawStage renderStage;
+
+	DirectX::XMMATRIX projection;
+	DirectX::XMMATRIX view;
+	DirectX::XMMATRIX model;
+
+	float4x4 objectTransform;
+
+	DirectX::XMMATRIX lightTransform;
+	float3 lightPos;
+	float3 lightDir;
+
+	float4 clipPlane;
+	float4 fogColor;
+	float4 color;
+	float4 secondaryColor;
+
+	float bias;
+	float expand;
+	float spotMin;
+	float spotMax;
+
+	int grid;
+	int tex;
+	int colorArray;
+
+	float4 shadowTaps[12];
+	ShadowMapD3D* shadowMap;
+};
+
+enum PointRenderMode
+{
+	POINT_RENDER_WIREFRAME,
+	POINT_RENDER_SOLID,
+	NUM_POINT_RENDER_MODES
+};
+
+enum PointCullMode
+{
+	POINT_CULL_NONE,
+	POINT_CULL_FRONT,
+	POINT_CULL_BACK,
+	NUM_POINT_CULL_MODES
+};
+
+enum PointDrawStage
+{
+	POINT_DRAW_NULL,
+	POINT_DRAW_SHADOW,
+	POINT_DRAW_REFLECTION,
+	POINT_DRAW_LIGHT
+};
+
+struct PointDrawParamsD3D
+{
+	PointRenderMode renderMode;
+	PointCullMode cullMode;
+	PointDrawStage renderStage;
+
+	DirectX::XMMATRIX projection;
+	DirectX::XMMATRIX view;
+	DirectX::XMMATRIX model;
+
+	float pointRadius;  // point size in world space
+	float pointScale;   // scale to calculate size in pixels
+	float spotMin;
+	float spotMax;
+
+	DirectX::XMMATRIX lightTransform;
+	float3 lightPos;
+	float3 lightDir;
+
+	float4 colors[8];
+
+	float4 shadowTaps[12];
+	ShadowMapD3D* shadowMap;
+
+	int mode;
+};
+
+struct ShadowParamsD3D
+{
+	DirectX::XMMATRIX lightTransform;
+	float3 lightPos;
+	float3 lightDir;
+	float bias;
+	float4 shadowTaps[12];
+};
+
+struct RenderParamsUtilD3D
+{
+		/// Assumes the lightTransform is in OpenGl projection format
+	static void calcShadowParams(Vec3 lightPos, Vec3 lightTarget, Matrix44 lightTransform, float shadowBias, ShadowParamsD3D* paramsOut);
+
+		/// Convert a projection from GL into the same projection as can be used by Direct3D
+		/// D3D has clip z range [0, 1], GL -1 to 1 (as is unit cube)
+	static Matrix44 convertGLToD3DProjection(const Matrix44& proj);
+
+	static void calcMeshConstantBuffer(const MeshDrawParamsD3D& params, Hlsl::MeshShaderConst& constBufOut);
+
+	static void calcFluidConstantBuffer(const FluidDrawParamsD3D& params, Hlsl::FluidShaderConst& constBuf);
+
+	static void calcFluidCompositeConstantBuffer(const FluidDrawParamsD3D& params, Hlsl::FluidShaderConst& constBuf);
+
+	static void calcDiffuseConstantBuffer(const DiffuseDrawParamsD3D& params, Hlsl::DiffuseShaderConst& constBuf);
+
+	static void calcPointConstantBuffer(const PointDrawParamsD3D& params, Hlsl::PointShaderConst& constBuf);
+};