---
title: MTLAttributeFormat.half3
framework: metal
role: symbol
role_heading: Case
path: metal/mtlattributeformat/half3
---

# MTLAttributeFormat.half3

A three-component vector with 16-bit floating-point values.

## Declaration

```swift
case half3
```

## See Also

### 16-bit floating-point formats

- [MTLAttributeFormat.half](metal/mtlattributeformat/half.md)
- [MTLAttributeFormat.half2](metal/mtlattributeformat/half2.md)
- [MTLAttributeFormat.half4](metal/mtlattributeformat/half4.md)