---
title: MPSAccelerationStructureUsage
framework: metalperformanceshaders
role: symbol
role_heading: Structure
path: metalperformanceshaders/mpsaccelerationstructureusage
---

# MPSAccelerationStructureUsage

Options that describe how an acceleration structure will be used.

## Declaration

```swift
struct MPSAccelerationStructureUsage
```

## Topics

### Initializers

- [init(rawValue:)](metalperformanceshaders/mpsaccelerationstructureusage/init(rawvalue:).md)

### Type Properties

- [frequentRebuild](metalperformanceshaders/mpsaccelerationstructureusage/frequentrebuild.md)
- [preferCPUBuild](metalperformanceshaders/mpsaccelerationstructureusage/prefercpubuild.md)
- [preferGPUBuild](metalperformanceshaders/mpsaccelerationstructureusage/prefergpubuild.md)
- [refit](metalperformanceshaders/mpsaccelerationstructureusage/refit.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [ExpressibleByArrayLiteral](swift/expressiblebyarrayliteral.md)
- [OptionSet](swift/optionset.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)
- [SetAlgebra](swift/setalgebra.md)