---
title: regionOriginX
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtlmapindirectarguments/regionoriginx
---

# regionOriginX

The x coordinate of the region to change, measured in tile coordinates.

## Declaration

```swift
var regionOriginX: UInt32
```

## See Also

### Specifying region origin

- [regionOriginY](metal/mtlmapindirectarguments/regionoriginy.md)
- [regionOriginZ](metal/mtlmapindirectarguments/regionoriginz.md)