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# LowLevelRenderer.CullConfiguration

The configuration for a frustum culling operation.

```
struct CullConfiguration
```

## Topics

### Creating a cull configuration

[`init(frustum: LowLevelRenderer.CullConfiguration.Frustum)`](/documentation/RealityKit/LowLevelRenderer/CullConfiguration/init(frustum:))

Creates a cull configuration with the given frustum.

### Configuring the frustum

[`var frustum: LowLevelRenderer.CullConfiguration.Frustum`](/documentation/RealityKit/LowLevelRenderer/CullConfiguration/frustum-swift.property)

The frustum to test instances against.

[`struct Frustum`](/documentation/RealityKit/LowLevelRenderer/CullConfiguration/Frustum-swift.struct)

A culling frustum defined by a set of planes.

### Defining frustum planes

[`struct Plane`](/documentation/RealityKit/LowLevelRenderer/CullConfiguration/Plane)

An infinite directed plane used to cull mesh instances.


---

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