---
title: MPSPurgeableState
framework: metalperformanceshaders
role: symbol
role_heading: Enumeration
path: metalperformanceshaders/mpspurgeablestate
---

# MPSPurgeableState

The purgeable state of an image’s underlying texture.

## Declaration

```swift
enum MPSPurgeableState
```

## Topics

### Constants

- [MPSPurgeableState.allocationDeferred](metalperformanceshaders/mpspurgeablestate/allocationdeferred.md)
- [MPSPurgeableState.keepCurrent](metalperformanceshaders/mpspurgeablestate/keepcurrent.md)
- [MPSPurgeableState.nonVolatile](metalperformanceshaders/mpspurgeablestate/nonvolatile.md)
- [MPSPurgeableState.volatile](metalperformanceshaders/mpspurgeablestate/volatile.md)
- [MPSPurgeableState.empty](metalperformanceshaders/mpspurgeablestate/empty.md)

### Initializers

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

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Methods

- [setPurgeableState(_:)](metalperformanceshaders/mpsimage/setpurgeablestate(_:).md)