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API > API/Plugins > API/Plugins/NiagaraShader > API/Plugins/NiagaraShader/FNiagaraAsyncGpuTraceProvider
References
| Module | NiagaraShader |
| Header | /Engine/Plugins/FX/Niagara/Source/NiagaraShader/Public/NiagaraAsyncGpuTraceProvider.h |
| Include | #include "NiagaraAsyncGpuTraceProvider.h" |
Syntax
struct FCollisionGroupHashMap
Remarks
Hash table. PrimIdHashTable is the main hash table that maps GPUSceneInstanceIndex to and Index we can use to store Collision Groups inside HashToCollisionGroups.
Variables
| Type | Name | Description | |
|---|---|---|---|
 |
uint32 | HashTableSize | |
 |
FRWBuffer | HashToCollisionGroups | |
 |
FRWBufferStructured | PrimIdHashTable |