---
title: Gamma function types
framework: accelerate
role: collectionGroup
role_heading: API Collection
path: accelerate/1584480-gamma-function-types
---

# Gamma function types

Types of full- or half-precision gamma functions.

## Topics

### User-defined gamma values

- [kvImageGamma_UseGammaValue](accelerate/kvimagegamma_usegammavalue.md)
- [kvImageGamma_UseGammaValue_half_precision](accelerate/kvimagegamma_usegammavalue_half_precision.md)

### Constant gamma values

- [kvImageGamma_BT709_forward_half_precision](accelerate/kvimagegamma_bt709_forward_half_precision.md)
- [kvImageGamma_BT709_reverse_half_precision](accelerate/kvimagegamma_bt709_reverse_half_precision.md)
- [kvImageGamma_sRGB_forward_half_precision](accelerate/kvimagegamma_srgb_forward_half_precision.md)
- [kvImageGamma_sRGB_reverse_half_precision](accelerate/kvimagegamma_srgb_reverse_half_precision.md)
- [kvImageGamma_5_over_9_half_precision](accelerate/kvimagegamma_5_over_9_half_precision.md)
- [kvImageGamma_5_over_11_half_precision](accelerate/kvimagegamma_5_over_11_half_precision.md)
- [kvImageGamma_9_over_5_half_precision](accelerate/kvimagegamma_9_over_5_half_precision.md)
- [kvImageGamma_9_over_11_half_precision](accelerate/kvimagegamma_9_over_11_half_precision.md)
- [kvImageGamma_11_over_5_half_precision](accelerate/kvimagegamma_11_over_5_half_precision.md)
- [kvImageGamma_11_over_9_half_precision](accelerate/kvimagegamma_11_over_9_half_precision.md)

## See Also

### Applying a gamma function

- [vImageCreateGammaFunction(_:_:_:)](accelerate/vimagecreategammafunction(_:_:_:).md)
- [vImageGamma_Planar8toPlanarF(_:_:_:_:)](accelerate/vimagegamma_planar8toplanarf(_:_:_:_:).md)
- [vImageGamma_PlanarFtoPlanar8(_:_:_:_:)](accelerate/vimagegamma_planarftoplanar8(_:_:_:_:).md)
- [vImageGamma_PlanarF(_:_:_:_:)](accelerate/vimagegamma_planarf(_:_:_:_:).md)
- [vImageDestroyGammaFunction(_:)](accelerate/vimagedestroygammafunction(_:).md)
- [Adjusting saturation and applying tone mapping](accelerate/adjusting-saturation-and-applying-tone-mapping.md)