#include "Packages/com.unity.render-pipelines.high-definition/Runtime/VFXGraph/Shaders/VFXLit.hlsl"

#ifndef VFX_SHADERGRAPH

void VFXGetHDRPLitData(out SurfaceData surfaceData, out BuiltinData builtinData, out BSDFData bsdfData, out PreLightData preLightData, VFX_VARYING_PS_INPUTS i, float3 normalWS, const VFXUVData uvData, uint2 tileIndex)
{	
	#if HDRP_MATERIAL_TYPE_TRANSLUCENT
	${VFXLoadParameter:{diffusionProfileHash}} // Loads diffusion profile
	#else
	const uint diffusionProfileHash = 0;
	#endif
	
	float3 posRWS = VFXGetPositionRWS(i);
	float4 posSS = i.VFX_VARYING_POSCS;
	PositionInputs posInput = GetPositionInput(posSS.xy, _ScreenSize.zw, posSS.z, posSS.w, posRWS, tileIndex);
	
	float alpha;
	surfaceData = VFXGetSurfaceData(i,normalWS,uvData,diffusionProfileHash,alpha);	
	bsdfData = ConvertSurfaceDataToBSDFData(posSS.xy, surfaceData);

	preLightData = GetPreLightData(GetWorldSpaceNormalizeViewDir(posRWS),posInput,bsdfData);
	
	preLightData.diffuseFGD = 1.0f;
    //TODO: investigate why this is needed
    preLightData.coatPartLambdaV = 0;
    preLightData.coatIblR = 0;
    preLightData.coatIblF = 0;
    
	builtinData = VFXGetBuiltinData(i,posInput,surfaceData,uvData,alpha);
}

void VFXGetHDRPLitData(out SurfaceData surfaceData, out BuiltinData builtinData, VFX_VARYING_PS_INPUTS i, float3 normalWS, const VFXUVData uvData)
{
	BSDFData bsdfData = (BSDFData)0;
	PreLightData preLightData = (PreLightData)0;
	preLightData.diffuseFGD = 1.0f;
	VFXGetHDRPLitData(surfaceData,builtinData,bsdfData,preLightData,i,normalWS,uvData,uint2(0,0));
}

#endif


#include "Packages/com.unity.render-pipelines.high-definition/Runtime/VFXGraph/Shaders/VFXLitPixelOutput.hlsl"