# UNITY_ASTC_NORMALMAP_ENCODING

> Unity enables UNITY_ASTC_NORMALMAP_ENCODING when DXT5nm-style normal maps are used on Android, iOS or tvOS.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Rendering](/engine/6000.6/script-reference/unityengine/rendering.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
UNITY_ASTC_NORMALMAP_ENCODING = 30
```

### Remarks

Additional Resources: SetNormalMapEncodings.