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  3. FRayTracingSceneBuildParams

FRayTracingSceneBuildParams

API > API/Runtime > API/Runtime/RHI

References

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

Syntax

struct FRayTracingSceneBuildParams

Variables

  Type Name Description
Public variable EAccelerationStructureBuildMode BuildMode  
Public variable FRHIBuffer * InstanceBuffer Buffer of native ray tracing instance descriptors. Must be in SRV state.
Public variable uint32 InstanceBufferOffset  
Public variable uint32 NumInstances  
Public variable TConstArrayView< FRHIRayTracingGeometry * > PerInstanceGeometries One entry per instance.
Public variable TConstArrayView< FRHIRayTracingGeometry * > ReferencedGeometries Unique list of geometries referenced by all instances in this scene.
Public variable FRHIBuffer * ResultBuffer Acceleration structure will be written to this buffer. The buffer must be in BVHWrite state.
Public variable uint32 ResultBufferOffset  
Public variable FRHIRayTracingScene * Scene Scene to be built. May be null if explicit instance buffer is provided.
Public variable FRHIBuffer * ScratchBuffer Scratch buffer used to build Acceleration structure. Must be in UAV state.
Public variable uint32 ScratchBufferOffset  

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