---
layout: stdlib-reference
---

# GetLssPositionsAndRadii

## Description





## Signature 

<pre>
<a href="../types/matrix/index.html" class="code_type">matrix</a>&lt;<span class="code_keyword">float</span>, 2, 4&gt; <a href="getlsspositionsandradii-036fi.html">GetLssPositionsAndRadii</a>();

</pre>

## Availability and Requirements

Defined for the following targets:

#### hlsl
Available in stages: `closesthit`, `anyhit`.

#### cuda
Available in stages: `closesthit`, `anyhit`.

#### spirv
Available in stages: `closesthit`, `anyhit`.

Requires capability: `spvRayTracingKHR`.