# ProgressiveCPU

> Backend for baking lighting using the CPU. Uses a progressive path tracing algorithm.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine](/engine/6000.7/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

> **Warning:**
>
> **Deprecated.** Lightmapper.ProgressiveCPU is deprecated, use Lightmapper.UnityComputeGPU instead.

```csharp
ProgressiveCPU = 1
```

### Remarks

The Progressive CPU backend is deprecated. Use [LightingSettings.Lightmapper.UnityComputeGPU](/engine/6000.7/script-reference/unityengine/lightingsettings/lightmapper/unitycomputegpu.md) instead.