# isWarmedUp

> Flag indicating if the collection is warmed up.

## Definition

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

```csharp
public bool isWarmedUp { get; }
```

### Remarks

When a collection is "warmed up", all the GPU representations of the shader variants and graphics states in the collection will have been created.