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UnrealEngineUWP/Engine/Shaders/BasePassForForwardShadingCommon.usf
2014-03-14 14:13:41 -04:00

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// Copyright 1998-2014 Epic Games, Inc. All Rights Reserved.
/*=============================================================================
BasePassForForwardShadingCommon.usf: Base pass definitions used by both vertex and pixel shader
=============================================================================*/
#undef NEEDS_LIGHTMAP_COORDINATE
#define NEEDS_LIGHTMAP_COORDINATE (LQ_TEXTURE_LIGHTMAP)
#define NEEDS_LIGHTMAP (NEEDS_LIGHTMAP_COORDINATE)
#define USE_VERTEX_FOG (!OUTPUT_GAMMA_SPACE)
#define PACK_INTERPOLANTS (USE_VERTEX_FOG && NUM_VF_PACKED_INTERPOLANTS > 0 && ES2_PROFILE)
#define LANDSCAPE_BUG_WORKAROUND (IS_FORWARD_BASEPASS_VERTEX_SHADER && PACK_INTERPOLANTS)
struct FSharedForwardShadingBasePassInterpolants
{
#if USE_VERTEX_FOG && !PACK_INTERPOLANTS
half4 VertexFog : TEXCOORD7;
#endif
#if LANDSCAPE_BUG_WORKAROUND
half4 DummyInterp : DUMMY_INTERP;
#endif
float4 PixelPosition : TEXCOORD8; // xyz = world position, w = clip z
#if USE_WORLD_POSITION_EXCLUDING_SHADER_OFFSETS
float4 PixelPositionExcludingWPO : TEXCOORD9;
#endif
};
#define FForwardShadingBasePassInterpolantsVSToPS FSharedForwardShadingBasePassInterpolants