---
title: eIOAccelSurfaceScaleBits
framework: IOKit
role: symbol
role_heading: Enumeration
platforms: [Mac Catalyst 18.4+, macOS 10.2+]
path: iokit/eioaccelsurfacescalebits
---

# eIOAccelSurfaceScaleBits

## Declaration

```occ
typedef enum eIOAccelSurfaceScaleBits : unsigned int {
    ...
} eIOAccelSurfaceScaleBits;
```

## Topics

### Constants

- [kIOAccelSurfaceBeamSyncSwaps](iokit/eioaccelsurfacescalebits/kioaccelsurfacebeamsyncswaps.md)
- [kIOAccelSurfaceFilterDefault](iokit/eioaccelsurfacescalebits/kioaccelsurfacefilterdefault.md)
- [kIOAccelSurfaceFilterLinear](iokit/eioaccelsurfacescalebits/kioaccelsurfacefilterlinear.md)
- [kIOAccelSurfaceFilterNone](iokit/eioaccelsurfacescalebits/kioaccelsurfacefilternone.md)
- [kIOAccelSurfaceFiltering](iokit/eioaccelsurfacescalebits/kioaccelsurfacefiltering.md)
- [kIOAccelSurfaceFixedSource](iokit/eioaccelsurfacescalebits/kioaccelsurfacefixedsource.md)