#define HDRP_NEEDS_UVS (HDRP_USE_BASE_COLOR_MAP || HDRP_USE_MASK_MAP || USE_NORMAL_MAP || HDRP_USE_EMISSIVE_MAP)
#define HDRP_USE_EMISSIVE (HDRP_USE_EMISSIVE_MAP || HDRP_USE_EMISSIVE_COLOR || HDRP_USE_ADDITIONAL_EMISSIVE_COLOR)

${VFXBegin:VFXHDRPDecalVaryingsMacros}
#if (VFX_NEEDS_COLOR_INTERPOLATOR && HDRP_USE_BASE_COLOR) || HDRP_USE_ADDITIONAL_BASE_COLOR
#define VFX_VARYING_COLOR color.rgb
#define VFX_VARYING_ALPHA color.a
#endif

#if AFFECT_METALLIC
#define VFX_VARYING_METALLIC materialProperties.x
#endif

#if AFFECT_AMBIENT_OCCLUSION
#define VFX_VARYING_AMBIENT_OCCLUSION materialProperties.y
#endif

#if AFFECT_SMOOTHNESS
#define VFX_VARYING_SMOOTHNESS materialProperties.z
#endif

#if HDRP_USE_EMISSIVE_MAP
#define VFX_VARYING_EMISSIVESCALE materialProperties.w
#endif

#if HDRP_USE_EMISSIVE_COLOR || HDRP_USE_ADDITIONAL_EMISSIVE_COLOR
#define VFX_VARYING_EMISSIVE emissiveColor.rgb
#endif

#if USE_EXPOSURE_WEIGHT
#define VFX_VARYING_EXPOSUREWEIGHT emissiveColor.a
#endif


#if USE_FLIPBOOK
#if USE_FLIPBOOK_ARRAY_LAYOUT
	#define VFX_VARYING_FLIPBOOKSIZE flipBookSize
#else
	#define VFX_VARYING_FLIPBOOKSIZE flipBookSize.xy
	#define VFX_VARYING_INVFLIPBOOKSIZE flipBookSize.zw
#endif
#if USE_FLIPBOOK_MOTIONVECTORS
#define VFX_VARYING_MOTIONVECTORSCALE builtInInterpolants.xy
#define VFX_VARYING_TEXINDEX builtInInterpolants.z
#define VFX_VARYING_TEXINDEXBLEND builtInInterpolants.w
#else
#define VFX_VARYING_TEXINDEX texIndices.x
#if USE_FLIPBOOK_INTERPOLATION
#define VFX_VARYING_TEXINDEXBLEND texIndices.y
#endif
#endif
#endif

#if USE_UV_SCALE_BIAS
#define VFX_VARYING_UV_SCALE scaleBias.xy
#define VFX_VARYING_UV_BIAS scaleBias.zw
#endif

#if USE_NORMAL_MAP
#define VFX_VARYING_NORMALALPHA normalAlpha
#endif


#define VFX_VARYING_PS_INPUTS ps_input
#define VFX_VARYING_POSCS pos
#define VFX_VARYING_POSWS posWS
#define VFX_VARYING_FADEFACTOR fadeParameters.x
#define VFX_VARYING_ANGLEFADE fadeParameters.yz
#if USE_ALPHA_TEST
#define VFX_VARYING_ALPHATHRESHOLD fadeParameters.w
#endif
${VFXEnd}

${VFXBegin:VFXHDRPDecalDeclareVaryings}

#if (VFX_NEEDS_COLOR_INTERPOLATOR && HDRP_USE_BASE_COLOR) || HDRP_USE_ADDITIONAL_BASE_COLOR
VFX_OPTIONAL_INTERPOLATION float4 color : COLOR0;
#endif
#if HDRP_USE_EMISSIVE
VFX_OPTIONAL_INTERPOLATION float4 emissiveColor : COLOR1;
#endif

// x: metallic
// y: AO
// z: smoothness
// w: emissive scale
VFX_OPTIONAL_INTERPOLATION float4 materialProperties : TEXCOORD0;
#if USE_FLIPBOOK
#if USE_FLIPBOOK_ARRAY_LAYOUT
	nointerpolation float flipBookSize : TEXCOORD1;
#else
	nointerpolation float4 flipBookSize : TEXCOORD1;
#endif
#if USE_FLIPBOOK_MOTIONVECTORS
// x: motion vectors scale X
// y: motion vectors scale Y
// z: texIndex
// w: texIndexBlend
nointerpolation float4 builtInInterpolants : TEXCOORD2;
#else
// x: texIndex
// y: texIndexBlend
nointerpolation float2 texIndices : TEXCOORD2;
#endif
#endif

#if USE_UV_SCALE_BIAS
nointerpolation float4 scaleBias : TEXCOORD1;
#endif

float3 posWS : TEXCOORD3;
#if USE_ALPHA_TEST
// x: fade factor
// y: angle fade start
// z: angle fade end
// w: alpha threshold
nointerpolation float4 fadeParameters : TEXCOORD4;
#else
// x: fade factor
// y: angle fade start
// z: angle fade end
nointerpolation float3 fadeParameters : TEXCOORD4;
#endif

nointerpolation float4 worldToDecal0 : TEXCOORD5;
nointerpolation float4 worldToDecal1 : TEXCOORD6;
nointerpolation float4 worldToDecal2 : TEXCOORD7;

#if USE_NORMAL_MAP
VFX_OPTIONAL_INTERPOLATION float normalAlpha : TEXCOORD8;
#endif

VFX_VERTEX_OUTPUT_INSTANCE_INDEX

${VFXEnd}

${VFXBegin:VFXHDRPDecalFillVaryings}
#ifndef VFX_SHADERGRAPH

#ifdef VFX_VARYING_SMOOTHNESS
${VFXLoadParameter:{smoothness}}
o.VFX_VARYING_SMOOTHNESS = smoothness;
#endif

#ifdef VFX_VARYING_METALLIC
${VFXLoadParameter:{metallic}}
o.VFX_VARYING_METALLIC = metallic;
#endif

#ifdef VFX_VARYING_AMBIENT_OCCLUSION
${VFXLoadParameter:{ambientOcclusion}}
o.VFX_VARYING_AMBIENT_OCCLUSION = ambientOcclusion;
#endif

#if HDRP_USE_EMISSIVE_MAP
#ifdef VFX_VARYING_EMISSIVESCALE
${VFXLoadParameter:{emissiveScale}}
o.VFX_VARYING_EMISSIVESCALE = emissiveScale;
#endif
#endif

#ifdef VFX_VARYING_EMISSIVE
#if HDRP_USE_EMISSIVE_COLOR
o.VFX_VARYING_EMISSIVE = attributes.color;
#elif HDRP_USE_ADDITIONAL_EMISSIVE_COLOR
${VFXLoadParameter:{emissiveColor}}
o.VFX_VARYING_EMISSIVE = emissiveColor.rgb;
#endif
#endif

#if HDRP_USE_ADDITIONAL_BASE_COLOR
#ifdef VFX_VARYING_COLOR
${VFXLoadParameter:{baseColor}}
o.VFX_VARYING_COLOR = baseColor;
#endif
#endif
#endif

float4x4 worldToDecal = GetVFXToElementMatrix(
		attributes.axisX,
		attributes.axisY,
		attributes.axisZ,
		float3(attributes.angleX,attributes.angleY,attributes.angleZ),
		float3(attributes.pivotX,attributes.pivotY,attributes.pivotZ),
		size3,
		attributes.position);

#if VFX_LOCAL_SPACE
worldToDecal = mul(worldToDecal, VFXGetWorldToObjectMatrix());
#else
worldToDecal = ApplyCameraTranslationToInverseMatrix(worldToDecal);
#endif
o.worldToDecal0 = worldToDecal[0];
o.worldToDecal1 = worldToDecal[1];
o.worldToDecal2 = worldToDecal[2];

#ifdef VFX_VARYING_NORMALALPHA
${VFXLoadParameter:{normalAlpha}}
o.VFX_VARYING_NORMALALPHA = normalAlpha;
#endif
${VFXEnd}