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  3. FSkinWeightDataVertexBuffer

FSkinWeightDataVertexBuffer

A vertex buffer storing bone index/weight data.

Unreal Engine C++ API Reference > Runtime > Engine > Rendering

Inheritance Hierarchy

References

   
Module Engine
Header /Engine/Source/Runtime/Engine/Public/Rendering/SkinWeightVertexBuffer.h
Include #include "Rendering/SkinWeightVertexBuffer.h"

Syntax

class FSkinWeightDataVertexBuffer : public FVertexBuffer

Remarks

A vertex buffer storing bone index/weight data.

Variables

  Type Name Description
Protected variable FShaderResourceViewRHIRef SRVValue Guaranteed only to be valid if the vertex buffer is valid

Constructors

  Type Name Description
Public function   Default constructor.
Public function   Constructor (copy)

Destructors

  Type Name Description
Public function   Destructor.

Functions

  Type Name Description
Public function void

CleanUp ()

 Delete existing resources
Public function void

CopyDataFromBuffer ( const uint8* InSkinWeightData,
uint32 InNumVertices
)

  
Public function void  
Public function FBufferRHIRef  
Public function FBufferRHIRef Create an RHI vertex buffer with CPU data.
Public function Const uint32

GetBoneIndex ( uint32 VertexWeightOffset,
uint32 VertexInfluenceCount,
uint32 InfluenceIndex
)

  
Public function Const uint32  
Public function Const uint32  
Public function Const GPUSkinBoneInfluenceType  
Public function Const uint16

GetBoneWeight ( uint32 VertexWeightOffset,
uint32 VertexInfluenceCount,
uint32 InfluenceIndex
)

  
Public function Const uint32  
Public function Const uint32  
Public function Const uint32  
Public function Const uint32  
Public function Const bool  
Public function Const uint32  
Public function Const uint32  
Public function Const bool

GetRigidWeightBone ( uint32 VertexWeightOffset,
uint32 VertexInfluenceCount,
int32& OutBoneIndex
)

  
Public function Const FRHIShaderResourceView *

GetSRV ()

  
Public function Const bool  
Public function Const uint32  
Public function uint8 *  
Public function Const const uint8 *  
Public function void

Init ( uint32 InNumWeights,
uint32 InNumVertices
)

  
Public function void

InitRHIForStreaming ( FRHIBuffer* IntermediateBuffer,
FRHIResourceUpdateBatcher& Batcher
)

 Similar to Init/ReleaseRHI but only update existing SRV so references to the SRV stays valid
Public function Const bool  
Public function void  
Public function void

ResetVertexBoneWeights ( uint32 VertexWeightOffset,
uint32 VertexInfluenceCount
)

  
Public function void  
Public function void

SetBoneIndex ( uint32 VertexWeightOffset,
uint32 VertexInfluenceCount,
uint32 InfluenceIndex,
uint32 BoneIndex
)

  
Public function void

SetBoneWeight ( uint32 VertexWeightOffset,
uint32 VertexInfluenceCount,
uint32 InfluenceIndex,
uint16 BoneWeight
)

  
Public function void

SetMaxBoneInfluences ( uint32 InMaxBoneInfluences
)

 Set if this will have extra streams for bone indices & weights.
Public function void

SetNeedsCPUAccess ( bool bInNeedsCPUAccess
)

 Set if the CPU needs access to this vertex buffer
Public function void

SetUse16BitBoneIndex ( bool bInUse16BitBoneIndex
)

  
Public function void

SetUse16BitBoneWeight ( bool bInUse16BitBoneWeight
)

  
Public function Const bool  
Public function Const bool  

Overridden from FRenderResource

  Type Name Description
Public function Virtual Const FString  
Public function Virtual void

InitRHI ( FRHICommandListBase& RHICmdList
)

 Initializes the RHI resources used by this resource.
Public function Virtual void Releases the RHI resources used by this resource.

Operators

  Type Name Description
Public function FSkinWeightDataVertexBuffer & Assignment. Assumes that vertex buffer will be rebuilt

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