// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.

/*=============================================================================
	BasePassVertexCommon.usf: Vertex-related base pass definitions, used by vertex,
	hull and domain shader
=============================================================================*/

#include "Common.usf"
#include "Material.usf"
#include "BasePassCommon.usf"
#include "VertexFactory.usf"

#if NEEDS_BASEPASS_VERTEX_FOGGING
	#include "HeightFogCommon.usf"
#if BASEPASS_ATMOSPHERIC_FOG
	#include "AtmosphereCommon.usf"
#endif
#endif

struct FBasePassVSToPS
{
	FVertexFactoryInterpolantsVSToPS FactoryInterpolants;
	FBasePassInterpolantsVSToPS BasePassInterpolants;
	float4 Position : SV_POSITION;
};

#if USING_TESSELLATION	
	struct FBasePassVSToDS
	{
		FVertexFactoryInterpolantsVSToDS FactoryInterpolants;
		FBasePassInterpolantsVSToDS BasePassInterpolants;
		float4 Position : VS_To_DS_Position;
		OPTIONAL_VertexID_VS_To_DS
	};
	
	#define FBasePassVSOutput FBasePassVSToDS
	#define VertexFactoryGetInterpolants VertexFactoryGetInterpolantsVSToDS
	#define FPassSpecificVSToDS FBasePassVSToDS
	#define FPassSpecificVSToPS FBasePassVSToPS
#else
	#define FBasePassVSOutput FBasePassVSToPS
	#define VertexFactoryGetInterpolants VertexFactoryGetInterpolantsVSToPS
#endif