---
title: MTLSamplerAddressMode.clampToZero
framework: metal
role: symbol
role_heading: Case
path: metal/mtlsampleraddressmode/clamptozero
---

# MTLSamplerAddressMode.clampToZero

Out-of-range texture coordinates return transparent zero (0,0,0,0) for images with an alpha channel and return opaque zero (0,0,0,1) for images without an alpha channel.

## Declaration

```swift
case clampToZero
```

## See Also

### Address mode options

- [MTLSamplerAddressMode.clampToEdge](metal/mtlsampleraddressmode/clamptoedge.md)
- [MTLSamplerAddressMode.mirrorClampToEdge](metal/mtlsampleraddressmode/mirrorclamptoedge.md)
- [MTLSamplerAddressMode.repeat](metal/mtlsampleraddressmode/repeat.md)
- [MTLSamplerAddressMode.mirrorRepeat](metal/mtlsampleraddressmode/mirrorrepeat.md)
- [MTLSamplerAddressMode.clampToBorderColor](metal/mtlsampleraddressmode/clamptobordercolor.md)