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  3. FRayTracing

FRayTracing

API > API/Runtime > API/Runtime/RHI > API/Runtime/RHI/FRHIGlobals

   
Name FRayTracing
Type struct
Header File /Engine/Source/Runtime/RHI/Public/RHIGlobals.h
Include Path #include "RHIGlobals.h"

Syntax

struct FRayTracing

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
AccelerationStructureAlignment uint32 Required alignment for ray tracing acceleration structures. RHIGlobals.h  
ClusterAccelerationStructureAlignment uint32 Required alignment for ray tracing cluster-level acceleration structures. RHIGlobals.h  
ClusterAccelerationStructureTemplateAlignment uint32 Required alignment for ray tracing cluster-level acceleration structure templates. RHIGlobals.h  
InstanceDescriptorSize uint32 Size of an individual element in the ray tracing instance buffer. RHIGlobals.h  
RequiresInlineRayTracingSBT bool Whether or not the RHI requires a SBT for inline ray tracing in compute shaders to fetch geometry information RHIGlobals.h  
RequiresSeparateHitGroupContributionsBuffer bool Whether or not the RHI supports a seperate hit group buffer when building the acceleration structure RHIGlobals.h  
ScratchBufferAlignment uint32 Required alignment for ray tracing scratch buffers. RHIGlobals.h  
ShaderTableAlignment uint32 Required alignment for ray tracing shader binding table buffer. RHIGlobals.h  
Supported bool Whether or not the RHI supports ray tracing on current hardware (acceleration structure building and new ray tracing-specific shader types). RHIGlobals.h  
SupportsAccelerationStructureCompaction bool Whether or not the RHI supports compacting acceleration structures RHIGlobals.h  
SupportsAMDHitToken bool Whether or not the RHI supports the AMD Hit Token extension. RHIGlobals.h  
SupportsAsyncBuildAccelerationStructure bool Whether or not the RHI supports async building ray tracing acceleration structures. RHIGlobals.h  
SupportsAsyncRayTraceDispatch bool Whether or not the RHI supports async ray trace dispatch calls. RHIGlobals.h  
SupportsClusterOps bool Whether or not the RHI supports NVIDIA Cluster Operations RHIGlobals.h  
SupportsDispatchIndirect bool Whether or not the RHI supports indirect ray tracing dispatch commands. RHIGlobals.h  
SupportsInlinedCallbacks bool Whether or not the RHI supports inlined callbacks RHIGlobals.h  
SupportsInlineRayTracing bool Whether or not the RHI supports inline ray tracing in compute shaders, without a full ray tracing pipeline. RHIGlobals.h  
SupportsLooseParamsInShaderRecord bool Wether an extra uniform buffer parameter is required when loose parameters are present, or if they are stored directly in the shader record. RHIGlobals.h  
SupportsPersistentSBTs bool Whether or not the RHI supports persistent SBTs RHIGlobals.h  
SupportsPSOAdditions bool Whether or not the RHI supports adding new shaders to an existing RT PSO. RHIGlobals.h  
SupportsSerializeAccelerationStructure bool Whether or not the RHI supports serializing acceleration structures to a file RHIGlobals.h  
SupportsShaders bool Whether or not the RHI supports ray tracing raygen, miss and hit shaders (i.e. full ray tracing pipeline). RHIGlobals.h  

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