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API > API/Runtime > API/Runtime/RHI
References
| Module | RHI |
| Header | /Engine/Source/Runtime/RHI/Public/RHIResources.h |
| Include | #include "RHIResources.h" |
Syntax
struct FRayTracingSceneInitializer
Variables
| Type | Name | Description | |
|---|---|---|---|
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TArray< uint32 > | BaseInstancePrefixSum | Exclusive prefix sum of `Instance.NumTransforms_ for all instances in this scene. |
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ERayTracingAccelerationStructureFlags | BuildFlags | Controls the flags of the ray tracing scene build. |
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FName | DebugName | |
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ERayTracingSceneLifetime | Lifetime | Defines whether data in this scene should persist between frames. |
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uint32 | MaxNumInstances | Maximum number of instances in this scene. Actual number of instances is specified in FRayTracingSceneBuildParams. |
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uint32 | NumCallableShaderSlots | |
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uint32 | NumMissShaderSlots | |
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TArray< uint32 > | NumNativeInstancesPerLayer | Total flattened number of ray tracing geometry instances (a single FRayTracingGeometryInstance may represent many) per layer. |
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uint32 | NumTotalSegments | |
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TArray< FRHIRayTracingGeometry * > | PerInstanceGeometries | One entry per instance |
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TArray< TRefCountPtr< FRHIRayTracingGeometry > > | ReferencedGeometries | Unique list of geometries referenced by all instances in this scene. |
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TArray< uint32 > | SegmentPrefixSum | Exclusive prefix sum of instance geometry segments is used to calculate SBT record address from instance and segment indices. |
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uint32 | ShaderSlotsPerGeometrySegment |
Constructors
| Type | Name | Description | |
|---|---|---|---|
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PRAGMA_DISABLE_DEPRECATION_WARNINGS | ||
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Operators
| Type | Name | Description | |
|---|---|---|---|
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FRayTracingSceneInitializer & |