# CompareDepths

> Default shadow sampling mode: sampling with a comparison filter.

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Rendering](/engine/6000.0/script-reference/unityengine/rendering.md)
* **Assembly:** UnityEngine.CoreModule

```csharp
CompareDepths = 0
```

### Remarks

The texture and sampler should be declared with: `UNITY_DECLARE_SHADOWMAP(_Shadowmap);`

and sampled with: `UNITY_SAMPLE_SHADOW(_Shadowmap, half3(uv, depth_for_comparison));`.