---
title: MTLReadWriteTextureTier
framework: metal
role: symbol
role_heading: Enumeration
path: metal/mtlreadwritetexturetier
---

# MTLReadWriteTextureTier

The support level for read-write texture formats.

## Declaration

```swift
enum MTLReadWriteTextureTier
```

## Topics

### Enumeration cases

- [MTLReadWriteTextureTier.tier1](metal/mtlreadwritetexturetier/tier1.md)
- [MTLReadWriteTextureTier.tier2](metal/mtlreadwritetexturetier/tier2.md)
- [MTLReadWriteTextureTier.tierNone](metal/mtlreadwritetexturetier/tiernone.md)

### Initializers

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

- [MTLTensorError.Code](metal/mtltensorerror-swift.struct/code.md)
- [MTLArgumentBuffersTier](metal/mtlargumentbufferstier.md)
- [MTLLogStateError](metal/mtllogstateerror.md)
- [MTLMathFloatingPointFunctions](metal/mtlmathfloatingpointfunctions.md)
- [MTLMathMode](metal/mtlmathmode.md)
- [MTLMatrixLayout](metal/mtlmatrixlayout.md)
- [MTLShaderValidation](metal/mtlshadervalidation.md)
- [MTLTransformType](metal/mtltransformtype.md)