HitObject.GetInstanceIndex

Description

Returns the instance index of a hit. Valid if the hit object represents a hit.

Signature

uint HitObject.GetInstanceIndex();

Availability and Requirements

Defined for the following targets:

hlsl

Available in stages: raygen, closesthit, miss.

Requires capabilities: hlsl_nvapi, ser_hlsl_native.

glsl

Available in stages: raygen, closesthit, miss.

cuda

Available in stages: raygen, closesthit, miss.

spirv

Available in stages: raygen, closesthit, miss.

Requires capabilities: spvRayTracingKHR, spvShaderInvocationReorderNV.