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API > API/Plugins > API/Plugins/HairStrandsCore
Inheritance Hierarchy
- FRenderResource
- FHairCommonResource
- FHairStrandsLODDeformedRootResource
References
| Module | HairStrandsCore |
| Header | /Engine/Plugins/Runtime/HairStrands/Source/HairStrandsCore/Public/GroomResources.h |
| Include | #include "GroomResources.h" |
Syntax
struct FHairStrandsLODDeformedRootResource : public FHairCommonResource
Remarks
Render buffers for root deformation for dynamic meshes
Variables
| Type | Name | Description | |
|---|---|---|---|
 |
uint32 | AvailableCurveCount | |
 |
uint32 | CurrentIndex | Whether the GPU data should be initialized with the asset data or not |
 |
const EHairStrandsResourcesType | CurveType | Type of curves |
 |
FRDGExternalBuffer[2] | DeformedSamplePositionsBuffer | |
 |
FRDGExternalBuffer[2] | DeformedUniqueTrianglePositionBuffer | Strand hair roots translation and rotation in triangle-deformed position relative to the bound triangle. |
 |
const int32 | MeshLODIndex | Mesh index corresponding for this root data. Used for sanity check. |
 |
FRDGExternalBuffer[2] | MeshSampleWeightsBuffer | |
 |
uint32 | RootCount | Store the hair projection information for each mesh LOD |
 |
uint32 | SampleCount | Strand hair mesh interpolation matrix and sample indices |
 |
EStatus | Status |
Constructors
| Type | Name | Description | |
|---|---|---|---|
 |
FHairStrandsLODDeformedRootResource
(
FHairStrandsRestRootResource* InRestResources, |
Build the hair strands resource |
Functions
| Type | Name | Description | |
|---|---|---|---|
  |
const FRDGExternalBuffer & | ||
  |
const FRDGExternalBuffer & | ||
  |
uint32 | GetIndex
(
EFrameType T |
Double buffering is disabled by default unless the read-only cvar r.HairStrands.ContinuousDecimationReordering is set. |
  |
const FRDGExternalBuffer & | ||
  |
uint32 | Return the memory size for GPU resources | |
  |
bool | IsDataValid () |
A LOD is considered valid as long as its resources are initialized. |
  |
bool | IsValid () |
|
 |
void | SwapBuffer () |
Overridden from FHairCommonResource
| Type | Name | Description | |
|---|---|---|---|
  |
void | InternalAllocate
(
FRDGBuilder& GraphBuilder, |
Init/Release buffers |
  |
void |
Overridden from FRenderResource
| Type | Name | Description | |
|---|---|---|---|
   |
FString | Get the resource name |
Enums
| Type | Name | Description | |
|---|---|---|---|
 |
EFrameType | ||
 |
EStatus |