---
title: MPSAlphaType.nonPremultiplied
framework: metalperformanceshaders
role: symbol
role_heading: Case
path: metalperformanceshaders/mpsalphatype/nonpremultiplied
---

# MPSAlphaType.nonPremultiplied

The image is not premultiplied by alpha.

## Declaration

```swift
case nonPremultiplied
```

## Discussion

Discussion The image uses non-premultiplied alpha. Alpha is not guaranteed to be 1.

## See Also

### Constants

- [MPSAlphaType.alphaIsOne](metalperformanceshaders/mpsalphatype/alphaisone.md)
- [MPSAlphaType.premultiplied](metalperformanceshaders/mpsalphatype/premultiplied.md)