# UNITY_LIGHTMAP_RGBM_ENCODING

> UNITY_LIGHTMAP_RGBM_ENCODING is set when lightmap textures are using RGBM encoding to store the values in the texture.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Rendering](/engine/6000.5/script-reference/unityengine/rendering.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
UNITY_LIGHTMAP_RGBM_ENCODING = 26
```