---
title: MPSImageEdgeMode.zero
framework: metalperformanceshaders
role: symbol
role_heading: Case
path: metalperformanceshaders/mpsimageedgemode/zero
---

# MPSImageEdgeMode.zero

Out-of-bound pixels are set to (0.0, 0.0, 0.0, 1.0) for images without an alpha channel or (0.0, 0.0, 0.0, 0.0) for images with an alpha channel, as defined by their pixel format.

## Declaration

```swift
case zero
```

## See Also

### Constants

- [MPSImageEdgeMode.clamp](metalperformanceshaders/mpsimageedgemode/clamp.md)