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  3. NiagaraVertexFactories

NiagaraVertexFactories

API > API/Plugins

Classes

  Type Name Description
Public class FNiagaraCutoutVertexBuffer Vertex buffer to hold cutout UVs.  
Public class FNiagaraDispatchIndirectArgsGenCS    
Public struct FNiagaraDispatchIndirectInfoCS    
Public struct FNiagaraDispatchIndirectParametersCS    
Public struct FNiagaraDrawIndirectArgGenTaskInfo Task info when generating draw indirect frame buffer.  
Public class FNiagaraDrawIndirectArgsGenCS Compute shader used to generate GPU emitter draw indirect args.  
Public class FNiagaraDrawIndirectResetCountsCS Compute shader used to reset unused instance count entries.  
Public class FNiagaraGPURayTracingTransformsCS Compute shader used to pass GPU instances transforms to the ray tracing TLAS.  
Public class FNiagaraMeshVertexFactory Vertex factory for rendering instanced mesh particles with out dynamic parameter support.  
Public class FNiagaraNullSortedIndicesVertexBuffer    
Public struct FNiagaraRibbonVertexDynamicParameter FNiagaraRibbonVertexDynamicParameter.  
Public class FNiagaraRibbonVertexFactory Beam/Trail particle vertex factory.  
Public class FNiagaraSortKeyGenCS Compute shader used to generate particle sort keys.  
Public class FNiagaraSpriteVertexFactory Vertex factory for rendering particle sprites.  
Public class FNiagaraVertexFactoryBase Base class for particle vertex factories.  
Public class FNiagaraVertexFactoryShaderParametersBase Base class for Niagara vertex factory shader parameters.  
Public class INiagaraVertexFactoriesModule Niagara vertex factories module interface  

Enums

  Type Name Description
Public enum ENiagaraDrawIndirectArgGenTaskFlags #define NIAGARA_COPY_BUFFER_THREAD_COUNT 64 #define NIAGARA_COPY_BUFFER_BUFFER_COUNT 3  
Public enum ENiagaraVertexFactoryType Enum identifying the type of a particle vertex factory.  

Functions

  Type Name Description
Public function  

BEGIN_GLOBAL_SHADER_PARAMETER_STRUCT ( FNiagaraSpriteVFLooseParameters,
NIAGARAVERTEXFACTORIES_API
)

  
Public function  

BEGIN_GLOBAL_SHADER_PARAMETER_STRUCT ( FNiagaraSpriteUniformParameters,
NIAGARAVERTEXFACTORIES_API
)

 Uniform buffer for particle sprite vertex factories.
Public function  

BEGIN_GLOBAL_SHADER_PARAMETER_STRUCT ( FNiagaraRibbonUniformParameters,
NIAGARAVERTEXFACTORIES_API
)

 Uniform buffer for particle beam/trail vertex factories.
Public function  

BEGIN_GLOBAL_SHADER_PARAMETER_STRUCT ( FNiagaraRibbonVFLooseParameters,
NIAGARAVERTEXFACTORIES_API
)

  
Public function  

BEGIN_SHADER_PARAMETER_STRUCT ( FNiagaraMeshCommonParameters,
NIAGARAVERTEXFACTORIES_API
)

 Common shader parameters for mesh particle renderers (used by multiple shaders)
Public function NumCutoutVerticesPerFrame ParticleAlignmentMode SortedIndicesOffset CutoutGeometry NiagaraParticleDa...  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace... Uniform buffer for mesh particle vertex factories.
Public function    
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
PrevRotationDataOffset
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
FacingDataOffset
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
MaterialParam2DataOffset
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
MaterialParamDataOffset
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
ColorDataOffset
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
PrevSizeDataOffset
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
AlignmentDataOffset
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
PrevVelocityDataOffset
)

  
Public function NiagaraFloatDataStride

SHADER_PARAMETER ( uint32,
FacingMode
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( FVector4f,
MacroUVParameters
)

  
Public function NiagaraFloatDataStride Shape UseGeometryNormals TangentsAndDistances PackedPerRibbonDataByIndex Niag...

SHADER_PARAMETER ( int32,
IndirectDrawOutputOffset
)

  
Public function NiagaraFloatDataStride Shape

SHADER_PARAMETER ( uint32,
NeedsPreciseMotionVectors
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
SubImageBlendMode
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset P...

SHADER_PARAMETER ( FVector4f,
PackedVData
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset P...

SHADER_PARAMETER ( int,
U1DistributionMode
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset P...

SHADER_PARAMETER ( int,
ShouldUseMultiRibbon
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset P...

SHADER_PARAMETER ( int,
InterpIdShift
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
PrevPositionDataOffset
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
PrevCameraOffsetDataOffset
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( FVector2f,
DefaultSize
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
NormalizedAgeDataOffset
)

  
Public function NumCutoutVerticesPerFrame ParticleAlignmentMode SortedIndicesOffset

SHADER_PARAMETER ( uint32,
IndirectArgsOffset
)

  
Public function NumCutoutVerticesPerFrame ParticleAlignmentMode

SHADER_PARAMETER ( uint32,
ParticleFacingMode
)

  
Public function NumCutoutVerticesPerFrame

SHADER_PARAMETER ( uint32,
NiagaraFloatDataStride
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
AccurateMotionVectors
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
PixelCoverageEnabled
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( FVector4f,
DefaultDynamicMaterialParameter2
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( FVector4f,
DefaultDynamicMaterialParameter0
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( FVector4f,
DefaultAlignment
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( FVector4f,
DefaultFacing
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( float,
DefaultNormAge
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( float,
DefaultCamOffset
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( FVector4f,
DefaultColor
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( float,
DefaultRotation
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( FVector3f,
DefaultPrevVelocity
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( FVector2f,
DefaultUVScale
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset P...

SHADER_PARAMETER ( int,
ParticleIdShift
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( FVector4f,
DefaultPos
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...

SHADER_PARAMETER ( int,
PivotOffsetDataOffset
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset P...

SHADER_PARAMETER ( int,
InterpCount
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset P...

SHADER_PARAMETER ( int,
SliceVertexIdMask
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset P...

SHADER_PARAMETER ( int,
U0OverrideDataOffset
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( FVector3f,
DefaultPrevVelocity
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( FVector4f,
DefaultPrevRotation
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( float,
DefaultCameraOffset
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( FVector3f,
DefaultPosition
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( FVector3f,
DefaultScale
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset P...

SHADER_PARAMETER ( int,
U1OverrideDataOffset
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( int,
PrevRotationDataOffset
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( int,
CameraOffsetDataOffset
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( int,
PositionDataOffset
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( int,
ScaleDataOffset
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( FVector3f,
LockedAxis
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( int,
bMeshOffsetIsWorldSpace
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( FVector3f,
MeshOffset
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( uint32,
FacingMode
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace

SHADER_PARAMETER ( int,
AccurateMotionVectors
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset

SHADER_PARAMETER ( FVector3f,
SystemLWCTile
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt

SHADER_PARAMETER ( uint32,
NiagaraFloatDataStride
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( FIntVector4,
VertexFetch_Parameters
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( uint32,
TexCoordWeightA
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( int,
PrevVelocityDataOffset
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( int,
SubImageDataOffset
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset P...

SHADER_PARAMETER ( int,
MaterialParam3DataOffset
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( uint32,
MaterialParamValidMask
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset P...

SHADER_PARAMETER ( uint32,
MaterialParamValidMask
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset P...

SHADER_PARAMETER ( int,
NormalizedAgeDataOffset
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset

SHADER_PARAMETER ( int,
FacingDataOffset
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset

SHADER_PARAMETER ( int,
PrevTwistDataOffset
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset

SHADER_PARAMETER ( int,
PrevWidthDataOffset
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset

SHADER_PARAMETER ( int,
VelocityDataOffset
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset P...

SHADER_PARAMETER ( int,
MaterialParam1DataOffset
)

  
Public function CameraRight

SHADER_PARAMETER ( FVector4f,
CameraUp
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( FVector4f,
DefaultDynamicMaterialParameter3
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( FVector4f,
DefaultDynamicMaterialParameter1
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( FVector4f,
DefaultColor
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( float,
DefaultSubImage
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( int,
MaterialParam3DataOffset
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( int,
MaterialParam1DataOffset
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER ( int,
ColorDataOffset
)

  
Public function CameraRight ScreenAlignment

SHADER_PARAMETER ( int,
PositionDataOffset
)

  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha...  
Public function bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::Half  
Public function bLocalSpace EShaderPrecisionModifier::Half

SHADER_PARAMETER_EX ( FVector4f,
NormalsCylinderUnitDirection,
EShaderPrecisionModifier::Half
)

  
Public function CameraRight ScreenAlignment PrevPositionDataOffset WidthDataOffset TwistDataOffset ColorDataOffset P...  
Public function bLocalSpace  
Public function NumCutoutVerticesPerFrame ParticleAlignmentMode SortedIndicesOffset CutoutGeometry

SHADER_PARAMETER_SRV ( Buffer< float >,
NiagaraParticleDataFloat
)

  
Public function NiagaraParticleDataFloat

SHADER_PARAMETER_SRV ( Buffer< float >,
NiagaraParticleDataHalf
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride

SHADER_PARAMETER_SRV ( Buffer< uint >,
SortedIndices
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER_SRV ( Buffer< float4 >,
VertexFetch_PackedTangentsBuffer
)

  
Public function NiagaraFloatDataStride Shape UseGeometryNormals

SHADER_PARAMETER_SRV ( Buffer< uint >,
SortedIndices
)

  
Public function NiagaraFloatDataStride Shape UseGeometryNormals TangentsAndDistances

SHADER_PARAMETER_SRV ( Buffer< uint >,
MultiRibbonIndices
)

  
Public function NiagaraFloatDataStride Shape UseGeometryNormals TangentsAndDistances PackedPerRibbonDataByIndex

SHADER_PARAMETER_SRV ( Buffer< float >,
NiagaraParticleDataFloat
)

  
Public function NiagaraFloatDataStride Shape UseGeometryNormals TangentsAndDistances PackedPerRibbonDataByIndex Niag...

SHADER_PARAMETER_SRV ( Buffer< float >,
SliceVertexData
)

  
Public function NumCutoutVerticesPerFrame ParticleAlignmentMode SortedIndicesOffset CutoutGeometry NiagaraParticleDa...

SHADER_PARAMETER_SRV ( Buffer< uint >,
SortedIndices
)

  
Public function NiagaraParticleDataFloat NiagaraParticleDataInt NiagaraIntDataStride SortedIndicesOffset bLocalSpace...

SHADER_PARAMETER_STRUCT_INCLUDE ( FNiagaraMeshCommonParameters,
Common
)

  

Variables

  Type Name Description
Public variable bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha... DefaultPivotOffset  
Public variable TGlobalResource< FNiagaraCutoutVertexBuffer > GFNiagaraNullCutoutVertexBuffer  
Public variable TGlobalResource< FNiagaraNullSortedIndicesVertexBuffer > GFNiagaraNullSortedIndicesVertexBuffer  
Public variable int32 GNiagaraGPUCullingCPUToGPUThreshold  
Public variable int32 GNiagaraGPUSortingCPUToGPUThreshold  
Public variable bLocalSpace NormalsSphereCenter  
Public variable bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha... NormalsType  
Public variable bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::Half RemoveHMDRoll  
Public variable bLocalSpace EShaderPrecisionModifier::HalfEShaderPrecisionModifier::HalfEShaderPrecisionModifier::Ha... RotationScale  
Public variable bLocalSpace EShaderPrecisionModifier::Half SubImageSize  

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