HairStrandsCore

void AddClearAABBPass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
uint32 AABBCount,
FRDGBufferUAVRef& OutAABBUAV
)

void AddComputeMipsPass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
FRDGTextureRef& OutTexture
)

void AddDeformSimHairStrandsPass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
const uint32 InstanceRegisteredIndex,
const uint32 MeshLODIndex,
const uint32 VertexCount,
FHairStrandsRestRootResource* SimRestRootResources,
FHairStrandsDeformedRootResource* SimDeformedRootResources,
FRDGBufferSRVRef SimRestPosePositionBuffer,
FRDGBufferSRVRef SimPointToCurveBuffer,
FRDGImportedBuffer& OutSimDeformedPositionBuffer,
const FVector& SimRestOffset,
FRDGBufferSRVRef SimDeformedOffsetBuffer,
const bool bHasGlobalInterpolation,
FRHIShaderResourceView* BoneBufferSRV
)

void AddGroomCacheUpdatePass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
uint32 InstanceRegisteredIndex,
uint32 PointCount,
uint32 CurveCount,
float InterpolationFactor,
float InMaxHairRadius,
bool bAllowAddedControlPoint,
FGroomCacheResources CacheResources0,
FGroomCacheResources CacheResources1,
FRDGBufferSRVRef InRestPositionBuffer,
FRDGBufferSRVRef InRestCurveBuffer,
FRDGBufferSRVRef InRestPointToCurveBuffer,
FRDGBufferSRVRef InDeformedOffsetBuffer,
FRDGBufferUAVRef OutBuffer
)

void AddHairCardsDeformationPass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
const ERHIFeatureLevel::Type FeatureLevel,
const FShaderPrintData* ShaderPrintData,
FHairGroupInstance* Instance,
const int32 HairLODIndex,
const int32 MeshLODIndex,
ERHIPipeline CardPositionExternalAccessPipeline
)

void AddHairCardsRBFInterpolationPass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
const int32 MeshLODIndex,
FHairCardsRestResource* RestResources,
FHairCardsDeformedResource* DeformedResources,
FHairStrandsRestRootResource* RestRootResources,
FHairStrandsDeformedRootResource* DeformedRootResources
)

void AddHairMeshesRBFInterpolationPass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
const int32 MeshLODIndex,
FHairMeshesRestResource* RestResources,
FHairMeshesDeformedResource* DeformedResources,
FHairStrandsRestRootResource* RestRootResources,
FHairStrandsDeformedRootResource* DeformedRootResources
)

void AddHairStrandInitMeshSamplesPass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
const int32 MeshLODIndex,
const FCachedGeometry& MeshLODData,
FHairStrandsRestRootResource* RestResources,
FHairStrandsDeformedRootResource* DeformedResources
)

void AddHairStrandsInterpolationPass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
EShaderPlatform InPlatform,
const FShaderPrintData* ShaderPrintData,
const FHairGroupInstance* Instance,
const uint32 VertexCount,
const uint32 CurveCount,
const uint32 MaxPointPerCurve,
const int32 MeshLODIndex,
const float HairLengthScale,
const EHairInterpolationType HairInterpolationType,
const EHairGeometryType InstanceGeometryType,
const FRDGHairStrandsCullingData& CullingData,
const FVector& InRenHairWorldOffset,
const FVector& InSimHairWorldOffset,
const FRDGBufferSRVRef& OutRenHairPositionOffsetBuffer,
const FRDGBufferSRVRef& OutSimHairPositionOffsetBuffer,
const FHairStrandsRestRootResource* RenRestRootResources,
const FHairStrandsRestRootResource* SimRestRootResources,
const FHairStrandsDeformedRootResource* RenDeformedRootResources,
const FHairStrandsDeformedRootResource* SimDeformedRootResources,
const FRDGBufferSRVRef& RenRestPosePositionBuffer,
const FRDGBufferSRVRef& RenCurveBuffer,
const bool bUseSingleGuide,
const FRDGBufferSRVRef& CurveInterpolationBuffer,
const FRDGBufferSRVRef& PoinInterpolationBuffer,
const FRDGBufferSRVRef& SimRestPosePositionBuffer,
const FRDGBufferSRVRef& SimDeformedPositionBuffer,
const FRDGBufferSRVRef& RenDeformerPositionBuffer,
FRDGBufferUAVRef& OutRenPositionBuffer,
const FHairStrandsLODDeformedRootResource::EFrameType DeformedFrame
)

void AddHairStrandUpdateMeshSamplesPass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
const int32 MeshLODIndex,
const FCachedGeometry& MeshLODData,
FHairStrandsRestRootResource* RestResources,
FHairStrandsDeformedRootResource* DeformedResources
)

void AddHairStrandUpdateMeshTrianglesPass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
const int32 MeshLODIndex,
const FCachedGeometry& MeshLODData,
FHairStrandsRestRootResource* RestResources,
FHairStrandsDeformedRootResource* DeformedResources
)

void AddHairStrandUpdatePositionOffsetPass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
EHairPositionUpdateType UpdateType,
const int32 InstanceRegisteredIndex,
const int32 HairLODIndex,
const int32 MeshLODIndex,
FHairStrandsDeformedRootResource* DeformedRootResources,
FHairStrandsDeformedResource* DeformedResources
)

void AddHairTangentPass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
uint32 PointCount,
FHairGroupPublicData* HairGroupPublicData,
FRDGBufferSRVRef PositionBuffer,
FRDGBufferUAVRef OutTangentBuffer
)

void AddPatchAttributePass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
const uint32 CurveCount,
const EHairPatchAttribute Mode,
const bool bSimulation,
const bool bUseSingleGuide,
const FHairStrandsBulkData& RenBulkData,
const FRDGBufferRef& RenAttributeBuffer,
const FRDGBufferSRVRef& RenCurveBuffer,
const FRDGBufferSRVRef& RenCurveToClusterIdBuffer,
const FRDGBufferSRVRef& CurveInterpolationBuffer,
const FRDGBufferSRVRef& PointInterpolationBuffer,
FRDGImportedBuffer& OutRenAttributeBuffer
)

void AddSkinUpdatePass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
FSkeletalMeshLODRenderData& RenderData,
const TArray< FSkinUpdateSection >& Sections,
FRDGBufferRef OutDeformedPositionBuffer,
FRDGBufferRef OutPrevDeformedPositionBuffer,
FRDGBufferRef OutTangentBuffer
)

void AddTransferPositionPass ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
const uint32 PointOffset,
const uint32 PointCount,
const uint32 TotalPointCount,
FRDGBufferSRVRef InBuffer,
FRDGBufferUAVRef OutBuffer
)

void ComputeHairStrandsInterpolation ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
const uint32 ViewUniqueID,
const uint32 ViewRayTracingMask,
const EGroomViewMode ViewMode,
const FVector& TranslatedWorldOffset,
const FShaderPrintData* ShaderPrintData,
FHairGroupInstance* Instance,
int32 LODIndex,
FHairStrandClusterData* ClusterData
)

FHairGroupPublicData::FVertexFactoryInput ComputeHairStrandsVertexInputData ( const FHairGroupInstance* Instance,
EGroomViewMode ViewMode
)

void ComputeInterpolationWeights ( UGroomBindingAsset* BindingAsset,
FSkeletalMeshRenderData* TargetRenderData,
TArray< FRWBuffer >& TransferedPositions
)

void ConvertFromGroomAsset ( UGroomAsset* In,
FEditableGroom* Out,
const bool bAllowCurveReordering,
const bool bApplyDecimation,
const bool bAllowAddEndControlPoint
)

void ConvertToGroomAsset ( UGroomAsset* Out,
const FEditableGroom* In,
uint32 Operations
)

FGroomCacheResources CreateGroomCacheBuffer ( FRDGBuilder& GraphBuilder,
FGroomCacheVertexData& InVertexData
)

UGroomImportOptions * CreateGroomImportOptions ( const FHairDescriptionGroups& GroupsDescription,
const TArray< FHairGroupsInterpolation >& BuildSettings
)

void CreateHairStrandsDebugDatas ( const FHairStrandsDatas& InData,
FHairStrandsDebugDatas& Out
)

void CreateHairStrandsDebugResources ( FRDGBuilder& GraphBuilder,
const FHairStrandsDebugDatas* In,
FHairStrandsDebugResources* Out
)

void GenerateFolliculeMask ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
const EPixelFormat Format,
const FIntPoint Resolution,
const uint32 MipCount,
const uint32 KernelSizeInPixels,
const uint32 Channel,
const TArray< FRDGBufferRef >& RootUVBuffers,
FRDGTextureRef& OutTexture
)

void GenerateFolliculeMask ( FRDGBuilder& GraphBuilder,
FGlobalShaderMap* ShaderMap,
const EPixelFormat Format,
const FIntPoint Resolution,
const uint32 MipCount,
const uint32 KernelSizeInPixels,
const uint32 Channel,
const int32 LODIndex,
FHairStrandsRestRootResource* RestResources,
FRDGTextureRef& OutTexture
)

uint32 GetBufferTotalNumBytes ( const FRDGExternalBuffer& In
)

uint32 GetDataSize ( const FHairStrandsBulkData& BulkData
)

uint32 GetDataSize ( const FHairStrandsInterpolationBulkData& InterpolationBulkData
)

const FShaderParametersMetadata * GetForwardDeclaredShaderParametersStructMetadata ( const FHairCardsVertexFactoryUniformShaderParameters* DummyPtr
)

const FShaderParametersMetadata * GetForwardDeclaredShaderParametersStructMetadata ( const FHairStrandsVertexFactoryUniformShaderParameters* DummyPtr
)

const FLinearColor GetHairGroupDebugColor ( int32 GroupIt
)

FHairGroupInstance * GetHairGroupInstance ( UGroomComponent* In,
int32 InGroupIndex
)

EHairResourceLoadingType GetHairResourceLoadingType ( EHairGeometryType InGeometryType,
int32 InLODIndex
)

float GetHairStrandsMaxLength ( const FHairStrandsDatas& In
)

float GetHairStrandsMaxRadius ( const FHairStrandsDatas& In
)

uint32 GetHairStrandsMaxSectionCount()

uint32 GetHairStrandsMaxTriangleCount()

uint32 GetHairTextureLayoutTextureCount ( EHairTextureLayout In
)

const TCHAR * GetHairTextureLayoutTextureName ( EHairTextureLayout InLayout,
uint32 InIndex,
bool bDetail
)

bool HasHairAttribute ( uint32 In,
EHairAttribute InAttribute
)

bool HasHairAttributeFlags ( uint32 In,
EHairAttributeFlags InFlag
)

FRDGHairStrandsCullingData ImportCullingData ( FRDGBuilder& GraphBuilder,
FHairGroupPublicData* In
)

bool operator! ( EGroomBindingAsyncProperties E
)

bool operator! ( EGroomBindingAsyncPropertyLockType E
)

bool operator! ( EGroomCacheAttributes E
)

bool operator! ( EGroomCacheImportType E
)

bool operator! ( EHairViewRayTracingMask E
)

bool operator! ( EHairResourceStatus A
)

EGroomBindingAsyncProperties operator& ( EGroomBindingAsyncProperties Lhs,
EGroomBindingAsyncProperties Rhs
)

EGroomBindingAsyncPropertyLockType operator& ( EGroomBindingAsyncPropertyLockType Lhs,
EGroomBindingAsyncPropertyLockType Rhs
)

EGroomCacheAttributes operator& ( EGroomCacheAttributes Lhs,
EGroomCacheAttributes Rhs
)

EGroomCacheImportType operator& ( EGroomCacheImportType Lhs,
EGroomCacheImportType Rhs
)

EHairViewRayTracingMask operator& ( EHairViewRayTracingMask Lhs,
EHairViewRayTracingMask Rhs
)

EHairResourceStatus operator& ( EHairResourceStatus In,
EHairResourceStatus::EStatus InStatus
)

EGroomBindingAsyncProperties & operator&= ( EGroomBindingAsyncProperties& Lhs,
EGroomBindingAsyncProperties Rhs
)

EGroomBindingAsyncPropertyLockType & operator&= ( EGroomBindingAsyncPropertyLockType& Lhs,
EGroomBindingAsyncPropertyLockType Rhs
)

EGroomCacheAttributes & operator&= ( EGroomCacheAttributes& Lhs,
EGroomCacheAttributes Rhs
)

EGroomCacheImportType & operator&= ( EGroomCacheImportType& Lhs,
EGroomCacheImportType Rhs
)

EHairViewRayTracingMask & operator&= ( EHairViewRayTracingMask& Lhs,
EHairViewRayTracingMask Rhs
)

EGroomBindingAsyncProperties operator^ ( EGroomBindingAsyncProperties Lhs,
EGroomBindingAsyncProperties Rhs
)

EGroomBindingAsyncPropertyLockType operator^ ( EGroomBindingAsyncPropertyLockType Lhs,
EGroomBindingAsyncPropertyLockType Rhs
)

EGroomCacheAttributes operator^ ( EGroomCacheAttributes Lhs,
EGroomCacheAttributes Rhs
)

EGroomCacheImportType operator^ ( EGroomCacheImportType Lhs,
EGroomCacheImportType Rhs
)

EHairViewRayTracingMask operator^ ( EHairViewRayTracingMask Lhs,
EHairViewRayTracingMask Rhs
)

EGroomBindingAsyncProperties & operator^= ( EGroomBindingAsyncProperties& Lhs,
EGroomBindingAsyncProperties Rhs
)

EGroomBindingAsyncPropertyLockType & operator^= ( EGroomBindingAsyncPropertyLockType& Lhs,
EGroomBindingAsyncPropertyLockType Rhs
)

EGroomCacheAttributes & operator^= ( EGroomCacheAttributes& Lhs,
EGroomCacheAttributes Rhs
)

EGroomCacheImportType & operator^= ( EGroomCacheImportType& Lhs,
EGroomCacheImportType Rhs
)

EHairViewRayTracingMask & operator^= ( EHairViewRayTracingMask& Lhs,
EHairViewRayTracingMask Rhs
)

EGroomBindingAsyncProperties operator| ( EGroomBindingAsyncProperties Lhs,
EGroomBindingAsyncProperties Rhs
)

EGroomBindingAsyncPropertyLockType operator| ( EGroomBindingAsyncPropertyLockType Lhs,
EGroomBindingAsyncPropertyLockType Rhs
)

EGroomCacheAttributes operator| ( EGroomCacheAttributes Lhs,
EGroomCacheAttributes Rhs
)

EGroomCacheImportType operator| ( EGroomCacheImportType Lhs,
EGroomCacheImportType Rhs
)

EHairViewRayTracingMask operator| ( EHairViewRayTracingMask Lhs,
EHairViewRayTracingMask Rhs
)

EHairResourceStatus operator| ( EHairResourceStatus In,
EHairResourceStatus::EStatus InStatus
)

EGroomBindingAsyncProperties & operator|= ( EGroomBindingAsyncProperties& Lhs,
EGroomBindingAsyncProperties Rhs
)

EGroomBindingAsyncPropertyLockType & operator|= ( EGroomBindingAsyncPropertyLockType& Lhs,
EGroomBindingAsyncPropertyLockType Rhs
)

EGroomCacheAttributes & operator|= ( EGroomCacheAttributes& Lhs,
EGroomCacheAttributes Rhs
)

EGroomCacheImportType & operator|= ( EGroomCacheImportType& Lhs,
EGroomCacheImportType Rhs
)

EHairViewRayTracingMask & operator|= ( EHairViewRayTracingMask& Lhs,
EHairViewRayTracingMask Rhs
)

EHairResourceStatus & operator|= ( EHairResourceStatus& Out,
EHairResourceStatus::EStatus InStatus
)

EGroomBindingAsyncProperties operator~ ( EGroomBindingAsyncProperties E
)

EGroomBindingAsyncPropertyLockType operator~ ( EGroomBindingAsyncPropertyLockType E
)

EGroomCacheAttributes operator~ ( EGroomCacheAttributes E
)

EGroomCacheImportType operator~ ( EGroomCacheImportType E
)

EHairViewRayTracingMask operator~ ( EHairViewRayTracingMask E
)

bool RequestStrandsPosition ( const UGroomComponent* Component,
TSharedPtr< FStrandsPositionOutput > Output,
const bool bReadGuides
)

void SetGroomAttribute ( FHairDescription& HairDescription,
FGroomID GroomID,
FName AttributeName,
AttributeType AttributeValue
)

void SetHairAttribute ( uint32& Out,
EHairAttribute InAttribute
)

void SetHairAttributeFlags ( uint32& Out,
EHairAttributeFlags InFlag
)

void SetHairStrandAttribute ( FHairDescription& HairDescription,
FStrandID StrandID,
FName AttributeName,
AttributeType AttributeValue
)

void SetHairVertexAttribute ( FHairDescription& HairDescription,
FVertexID VertexID,
FName AttributeName,
AttributeType AttributeValue
)