---
layout: stdlib-reference
---

# WaveActiveBallot

## Description





## Signature 

<pre>
<a href="../types/vector/index.html" class="code_type">vector</a>&lt;<span class="code_keyword">uint</span>, 4&gt; <a href="waveactiveballot-04a.html">WaveActiveBallot</a>(<span class="code_keyword">bool</span> <a href="waveactiveballot-04a.html#decl-condition" class="code_param">condition</a>);

</pre>

## Parameters

####  <a id="decl-condition"></a>condition  : bool

## Availability and Requirements

Defined for the following targets:

#### hlsl
Available in all stages.

#### glsl
Available in all stages.

#### cuda
Available in all stages.

#### metal
Available in all stages.

#### wgsl
Available in all stages.

#### spirv
Available in all stages.

Requires capability: `spvGroupNonUniformBallot`.