---
title: MTLBlendFactor.one
framework: metal
role: symbol
role_heading: Case
path: metal/mtlblendfactor/one
---

# MTLBlendFactor.one

Blend factor of one.

## Declaration

```swift
case one
```

## Discussion

Discussion F(rgb) = 1 F(a) = 1

## See Also

### Blend factors

- [MTLBlendFactor.zero](metal/mtlblendfactor/zero.md)
- [MTLBlendFactor.sourceColor](metal/mtlblendfactor/sourcecolor.md)
- [MTLBlendFactor.oneMinusSourceColor](metal/mtlblendfactor/oneminussourcecolor.md)
- [MTLBlendFactor.sourceAlpha](metal/mtlblendfactor/sourcealpha.md)
- [MTLBlendFactor.oneMinusSourceAlpha](metal/mtlblendfactor/oneminussourcealpha.md)
- [MTLBlendFactor.destinationColor](metal/mtlblendfactor/destinationcolor.md)
- [MTLBlendFactor.oneMinusDestinationColor](metal/mtlblendfactor/oneminusdestinationcolor.md)
- [MTLBlendFactor.destinationAlpha](metal/mtlblendfactor/destinationalpha.md)
- [MTLBlendFactor.oneMinusDestinationAlpha](metal/mtlblendfactor/oneminusdestinationalpha.md)
- [MTLBlendFactor.sourceAlphaSaturated](metal/mtlblendfactor/sourcealphasaturated.md)
- [MTLBlendFactor.blendColor](metal/mtlblendfactor/blendcolor.md)
- [MTLBlendFactor.oneMinusBlendColor](metal/mtlblendfactor/oneminusblendcolor.md)
- [MTLBlendFactor.blendAlpha](metal/mtlblendfactor/blendalpha.md)
- [MTLBlendFactor.oneMinusBlendAlpha](metal/mtlblendfactor/oneminusblendalpha.md)
- [MTLBlendFactor.source1Color](metal/mtlblendfactor/source1color.md)