---
title: MTLStencilOperation.replace
framework: metal
role: symbol
role_heading: Case
path: metal/mtlstenciloperation/replace
---

# MTLStencilOperation.replace

A stencil operation that replaces a stencil value with a reference value.

## Declaration

```swift
case replace
```

## Discussion

Discussion You can set by the reference value by calling the setStencilReferenceValue(_:) method of an MTLRenderCommandEncoder instance.

## See Also

### Stencil operations

- [MTLStencilOperation.keep](metal/mtlstenciloperation/keep.md)
- [MTLStencilOperation.zero](metal/mtlstenciloperation/zero.md)
- [MTLStencilOperation.incrementClamp](metal/mtlstenciloperation/incrementclamp.md)
- [MTLStencilOperation.decrementClamp](metal/mtlstenciloperation/decrementclamp.md)
- [MTLStencilOperation.invert](metal/mtlstenciloperation/invert.md)
- [MTLStencilOperation.incrementWrap](metal/mtlstenciloperation/incrementwrap.md)
- [MTLStencilOperation.decrementWrap](metal/mtlstenciloperation/decrementwrap.md)