---
title: MTLPurgeableState
framework: metal
role: symbol
role_heading: Enumeration
path: metal/mtlpurgeablestate
---

# MTLPurgeableState

The purgeable state of the resource.

## Declaration

```swift
enum MTLPurgeableState
```

## Topics

### Specifying purgeable states

- [MTLPurgeableState.keepCurrent](metal/mtlpurgeablestate/keepcurrent.md)
- [MTLPurgeableState.nonVolatile](metal/mtlpurgeablestate/nonvolatile.md)
- [MTLPurgeableState.volatile](metal/mtlpurgeablestate/volatile.md)
- [MTLPurgeableState.empty](metal/mtlpurgeablestate/empty.md)

### Initializers

- [init(rawValue:)](metal/mtlpurgeablestate/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

### Setting the purgeable state of the resource

- [setPurgeableState(_:)](metal/mtlresource/setpurgeablestate(_:).md)