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  3. FNDIHairStrandsBuffer

FNDIHairStrandsBuffer

Render buffers that will be used in hlsl functions

API > API/Plugins > API/Plugins/HairStrandsCore > API/Plugins/HairStrandsCore/Niagara

Inheritance Hierarchy

References

   
Module HairStrandsCore
Header /Engine/Plugins/Runtime/HairStrands/Source/HairStrandsCore/Public/Niagara/NiagaraDataInterfaceHairStrands.h
Include #include "Niagara/NiagaraDataInterfaceHairStrands.h"

Syntax

struct FNDIHairStrandsBuffer : public FRenderResource

Remarks

Render buffers that will be used in hlsl functions

Variables

  Type Name Description
Public variable FNiagaraPooledRWBuffer BoundingBoxBuffer Bounding Box Buffer
Public variable FIntVector4 BoundingBoxOffsets Bounding box offsets
Public variable bool bValidGeometryType Valid geometry type for hair (strands, cards, mesh)
Public variable TRefCountPtr< FRDGPooledBuffer > DeformedPositionBuffer Deformed position buffer in case no resource are there
Public variable TStaticArray< float, 32 *NumScales > ParamsScale Scales along the strand
Public variable FNiagaraPooledRWBuffer ParamsScaleBuffer Params scale buffer
Public variable const FHairStrandsDeformedResource * SourceDeformedResources The strand deformed resource to write into
Public variable const FHairStrandsDeformedRootResource * SourceDeformedRootResources The strand root resource to write into
Public variable const FHairStrandsRestResource * SourceRestResources The strand asset resource from which to sample
Public variable const FHairStrandsRestRootResource * SourceRestRootResources The strand root resource to write into

Functions

  Type Name Description
Public function void

Initialize ( const FHairStrandsRestResource* HairStrandsRestResource,
const FHairStrandsDeformedResource* HairStrandsDeformedResource,
const FHairStrandsRestRootResource* HairStrandsRestRootResource,
const FHairStrandsDeformedRootResource* HairStrandsDeformedRootResource,
const TStaticArray< float, 32*NumScales >& InParamsScale
)

 Set the asset that will be used to affect the buffer
Public function void

Transfer ( FRDGBuilder& GraphBuilder,
const TStaticArray< float, 32*NumScales >& InParamsScale
)

 Transfer CPU datas to GPU
Public function void

Update ( const FHairStrandsRestResource* HairStrandsRestResource,
const FHairStrandsDeformedResource* HairStrandsDeformedResource,
const FHairStrandsRestRootResource* HairStrandsRestRootResource,
const FHairStrandsDeformedRootResource* HairStrandsDeformedRootResource
)

 Set the asset that will be used to affect the buffer

Overridden from FRenderResource

  Type Name Description
Public function Virtual Const FString Get the resource name
Public function Virtual void

InitRHI ( FRHICommandListBase& RHICmdList
)

 Init the buffer
Public function Virtual void Release the buffer

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