---
title: IOSurfaceSubsampling
framework: IOSurface
role: symbol
role_heading: Enumeration
platforms: [iOS 11.0+, iPadOS 11.0+, Mac Catalyst 13.0+, macOS 10.6+, tvOS 11.0+, visionOS 1.0+]
path: iosurface/iosurfacesubsampling
---

# IOSurfaceSubsampling

## Declaration

```swift
enum IOSurfaceSubsampling
```

## Topics

### Enumeration Cases

- [IOSurfaceSubsampling.subsampling411](iosurface/iosurfacesubsampling/subsampling411.md)
- [IOSurfaceSubsampling.subsampling420](iosurface/iosurfacesubsampling/subsampling420.md)
- [IOSurfaceSubsampling.subsampling422](iosurface/iosurfacesubsampling/subsampling422.md)
- [IOSurfaceSubsampling.subsamplingNone](iosurface/iosurfacesubsampling/subsamplingnone.md)
- [IOSurfaceSubsampling.subsamplingUnknown](iosurface/iosurfacesubsampling/subsamplingunknown.md)

### Initializers

- [init(rawValue:)](iosurface/iosurfacesubsampling/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

### Enumerations

- [IOSurfaceComponentName](iosurface/iosurfacecomponentname.md)
- [IOSurfaceComponentRange](iosurface/iosurfacecomponentrange.md)
- [IOSurfaceComponentType](iosurface/iosurfacecomponenttype.md)
- [IOSurfaceMemoryLedgerFlags](iosurface/iosurfacememoryledgerflags.md)
- [IOSurfaceMemoryLedgerTags](iosurface/iosurfacememoryledgertags.md)