# isWarmedUp

> Is this ShaderVariantCollection already warmed up? (Read Only)

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine](/engine/7000.0/script-reference/unityengine.md)
* **Assembly:** UnityEngine.CoreModule

> **Warning:**
>
> **Deprecated.** ShaderVariantCollection warmup functionality is deprecated. Please use GraphicsStateCollection instead.

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

### Remarks

Additional Resources: [ShaderVariantCollection.WarmUp](/engine/7000.0/script-reference/unityengine/shadervariantcollection/warmup.md) function.