1. Epic GamesDeveloper
  3. FInstanceSceneDataBuffers

FInstanceSceneDataBuffers

API > API/Runtime > API/Runtime/Engine

Inheritance Hierarchy

References

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

Syntax

class FInstanceSceneDataBuffers

Variables

  Type Name Description
Protected variable bool: 1 = false bInstanceDataIsGPUOnly Instance data stored only in GPUScene, not stored in the above arrays in CPU memory.
Protected variable FCurrentWriterTag CurrentWriterTag  
Protected variable FInstanceDataFlags Flags  
Protected variable TSharedPtr< FInstanceSceneDataImmutable, ESPMode::ThreadSafe > Immutable  
Protected variable TArray< float > InstanceCustomData  
Protected variable TArray< uint32 > InstanceEditorData  
Protected variable TArray< uint32 > InstanceHierarchyOffset  
Protected variable TArray< FVector4f > InstanceLightShadowUVBias  
Protected variable TArray< FRenderBounds, TInlineAllocator< 1 > > InstanceLocalBounds  
Protected variable TArray< FVector4f > InstancePayloadExtension  
Protected variable TArray< float > InstanceRandomIDs  
Protected variable TArray< uint32 > InstanceSkinningData  
Protected variable TArray< FRenderTransform > InstanceToPrimitiveRelative  
Protected variable int32 NumCustomDataFloats  
Protected variable int32 NumInstancesGPUOnly  
Protected variable TArray< FRenderTransform > PrevInstanceToPrimitiveRelative  
Protected variable FRenderTransform PrimitiveToRelativeWorld  
Protected variable FVector PrimitiveWorldSpaceOffset  
Protected variable TBitArray SelectedInstances  
Protected variable TBitArray VisibleInstances  

Constructors

  Type Name Description
Public function    
Public function  

FInstanceSceneDataBuffers ( bool InbInstanceDataIsGPUOnly
)

  
Public function    

Functions

  Type Name Description
Public function FWriteView  
Public function Static uint32

CalcPayloadDataStride ( FInstanceDataFlags Flags,
int32 InNumCustomDataFloats,
int32 InNumPayloadExtensionFloat4s
)

  
Public function FRenderTransform

ComputeInstanceToPrimitiveRelative ( const FMatrix44f& InstanceToPrimitive,
FAccessTag AccessTag
)

  
Public function void

EndWriteAccess ( FAccessTag AccessTag
)

  
Public function Const const FInstanceDataFlags &  
Public function Const FInstanceDataBufferHeader

GetHeader ( FAccessTag AccessTag
)

  
Public function Const TSharedPtr< FInstanceSceneDataImmutable, ESPMode::ThreadSafe >  
Public function Const FRenderBounds

GetInstanceLocalBounds ( int32 InstanceIndex,
FAccessTag AccessTag
)

 Clamps the index to the InstanceLocalBounds size (it is always 1:1 with the instance count or exactly 1).
Public function Const FRenderBounds

GetInstancePrimitiveRelativeBounds ( int32 InstanceIndex,
FAccessTag AccessTag
)

 Get the primitive-relative bounds for the instance.
Public function Const FRenderTransform

GetInstanceToPrimitiveRelative ( int32 InstanceIndex,
FAccessTag AccessTag
)

  
Public function Const FMatrix

GetInstanceToWorld ( int32 InstanceIndex,
FAccessTag AccessTag
)

  
Public function Const bool

GetInstanceVisible ( int32 InstanceIndex,
FAccessTag AccessTag
)

  
Public function Const FBoxSphereBounds

GetInstanceWorldBounds ( int32 InstanceIndex,
FAccessTag AccessTag
)

 Clamps the index to the InstanceLocalBounds size (it is always 1:1 with the instance count or exactly 1).
Public function Const int32  
Public function Const int32

GetNumInstances ( FAccessTag AccessTag
)

  
Public function Const uint32  
Public function Const FRenderTransform

GetPrevInstanceToPrimitiveRelative ( int32 InstanceIndex,
FAccessTag AccessTag
)

  
Public function Const const FRenderTransform &  
Public function Const const FVector & Get the offset for the primitive-relative space used for transforms and bounds.
Public function Const FReadView

GetReadView ( FAccessTag AccessTag
)

  
Public function Const bool Whether instance data resides only in the GPU Scene, not backed by a copy in CPU memory.
Public function void

SetImmutable ( FInstanceSceneDataImmutable&& ImmutableData,
FAccessTag AccessTag
)

  
Public function void

SetPrimitiveLocalToWorld ( const FMatrix& PrimitiveLocalToWorld,
FAccessTag AccessTag
)

  
Protected function Const void

ValidateAccess ( const FAccessTag& AccessTag
)

  
Public function Const void  

Classes

  Type Name Description
Public struct FAccessTag    
Public struct FCompressedSpatialHashItem    
Protected struct FCurrentWriterTag    
Public struct FReadView    
Public struct FWriteView    

Ask questions and help your peers Developer Forums

Write your own tutorials or read those from others Learning Library

On this page