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  3. FNiagaraDataBuffer

FNiagaraDataBuffer

Buffer containing one frame of Niagara simulation data.

Unreal Engine C++ API Reference > Plugins > Niagara

Inheritance Hierarchy

References

   
Module Niagara
Header /Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraDataSet.h
Include #include "NiagaraDataSet.h"

Syntax

class FNiagaraDataBuffer : public FNiagaraSharedObject

Remarks

Buffer containing one frame of Niagara simulation data.

Constructors

  Type Name Description
Public function    

Destructors

  Type Name Description
Protected function Virtual    

Functions

  Type Name Description
Public function void

Allocate ( uint32 NumInstances,
bool bMaintainExisting
)

  
Public function void

AllocateGPU ( FRHICommandList& RHICmdList,
uint32 InNumInstances,
ERHIFeatureLevel::Type FeatureLevel,
const TCHAR* DebugSimName
)

  
Public function void  
Public function Const bool  
Public function void  
Public function Const void

CopyTo ( FNiagaraDataBuffer& DestBuffer,
int32 SrcStartIdx,
int32 DestStartIdx,
int32 NumInstances
)

  
Public function Const void

CopyToUnrelated ( FNiagaraDataBuffer& DestBuffer,
int32 SrcStartIdx,
int32 DestStartIdx,
int32 NumInstances
)

  
Public function Const void

Dump ( int32 StartIndex,
int32 NumInstances,
const FString& Label,
const FName& SortParameterKey
)

  
Public function Const uint8 *

GetComponentPtrFloat ( float* BasePtr,
uint32 ComponentIdx
)

  
Public function uint8 *

GetComponentPtrFloat ( uint32 ComponentIdx
)

  
Public function Const const uint8 *

GetComponentPtrFloat ( uint32 ComponentIdx
)

  
Public function uint8 *

GetComponentPtrHalf ( uint32 ComponentIdx
)

  
Public function Const const uint8 *

GetComponentPtrHalf ( uint32 ComponentIdx
)

  
Public function Const uint8 *

GetComponentPtrHalf ( FFloat16* BasePtr,
uint32 ComponentIdx
)

  
Public function uint8 *

GetComponentPtrInt32 ( uint32 ComponentIdx
)

  
Public function Const uint8 *

GetComponentPtrInt32 ( int* BasePtr,
uint32 ComponentIdx
)

  
Public function Const const uint8 *

GetComponentPtrInt32 ( uint32 ComponentIdx
)

  
Public function Const const TArray< uint8 > &  
Public function Const uint32  
Public function FRWBuffer &  
Public function FRWBuffer &  
Public function FRWBuffer &  
Public function Const ENiagaraGpuComputeTickStage::Type  
Public function FRWBuffer &  
Public function Const uint32  
Public function Const const TArray< uint8 > &  
Public function Const uint32  
Public function Const uint32  
Public function TArray< int32 > &  
Public function Const const TArray< int32 > &  
Public function float *

GetInstancePtrFloat ( uint32 ComponentIdx,
uint32 InstanceIdx
)

  
Public function Const const float *

GetInstancePtrFloat ( uint32 ComponentIdx,
uint32 InstanceIdx
)

  
Public function Const float *

GetInstancePtrFloat ( float* BasePtr,
uint32 ComponentIdx,
uint32 InstanceIdx
)

  
Public function Const const FFloat16 *

GetInstancePtrHalf ( uint32 ComponentIdx,
uint32 InstanceIdx
)

  
Public function Const FFloat16 *

GetInstancePtrHalf ( FFloat16* BasePtr,
uint32 ComponentIdx,
uint32 InstanceIdx
)

  
Public function FFloat16 *

GetInstancePtrHalf ( uint32 ComponentIdx,
uint32 InstanceIdx
)

  
Public function Const int32 *

GetInstancePtrInt32 ( int* BasePtr,
uint32 ComponentIdx,
uint32 InstanceIdx
)

  
Public function int32 *

GetInstancePtrInt32 ( uint32 ComponentIdx,
uint32 InstanceIdx
)

  
Public function Const const int32 *

GetInstancePtrInt32 ( uint32 ComponentIdx,
uint32 InstanceIdx
)

  
Public function Const const TArray< uint8 > &  
Public function Const uint32  
Public function Const uint32  
Public function Const uint32  
Public function Const uint32  
Public function Const FNiagaraDataSet *  
Public function Const TArrayView< uint8 const *__restrict const >  
Public function const RegisterTypeOffsetType &  
Public function Const int32  
Public function void

GPUCopyFrom ( const float* GPUReadBackFloat,
const int* GPUReadBackInt,
const FFloat16* GPUReadBackHalf,
int32 StartIdx,
int32 NumInstances,
uint32 InSrcFloatStride,
uint32 InSrcIntStride,
uint32 InSrcHalfStride
)

  
Public function void

KillInstance ( uint32 InstanceIdx
)

  
Public function void

PushCPUBuffersToGPU ( const TArray< FNiagaraDataBufferRef >& SourceBuffers,
bool bReleaseRef,
FRHICommandList& RHICmdList,
ERHIFeatureLevel::Type FeatureLevel,
const TCHAR* DebugSimName
)

  
Public function void  
Public function void  
Public function void  
Public function void  
Public function void

SetIDAcquireTag ( uint32 InTag
)

  
Public function void

SetNumInstances ( uint32 InNumInstances
)

  
Public function void

SetNumSpawnedInstances ( uint32 InNumSpawnedInstances
)

  
Public function void

SwapGPU ( FNiagaraDataBuffer* BufferToSwap
)

  
Public function void

SwapInstances ( uint32 OldIndex,
uint32 NewIndex
)

  
Public function int32

TransferInstance ( FNiagaraDataBuffer& SourceBuffer,
int32 InstanceIndex,
bool bRemoveFromSource
)

  

Typedefs

Name Description
RegisterTypeOffsetType  

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