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# renderOptions

The render options that configure the view’s AR session.

```
@MainActor @preconcurrency var renderOptions: ARView.RenderOptions { get set }
```

## Discussion

RealityKit applies effects like camera grain, motion blur, and depth of
field to the render to make the AR experience more immersive. Each
effect causes your virtual content to better blend in with live images
from the camera in some way.

To disable an effect, you add an option from the
[`ARView.RenderOptions`](/documentation/RealityKit/ARView/RenderOptions-swift.struct) option set to the view’s
[`renderOptions`](/documentation/RealityKit/ARView/renderOptions-swift.property) property:

```swift
arView.renderOptions.insert(.disableMotionBlur) // Turn off motion blur.
```

When you create an AR view, the system automatically adds certain render
options to disable effects that might be too demanding for the GPU
hardware on which your app is running. But you can modify the
[`renderOptions`](/documentation/RealityKit/ARView/renderOptions-swift.property) set at any time to enable or
disable any particular effect, depending on the needs of your app.

To decide whether to use an effect, consider both its visual impact on
your app, and its computational cost. Check the cost by measuring your
app’s CPU and GPU utilization with the effect enabled across all the
devices your app supports, as described in
[Improving the Performance of a RealityKit App](/documentation/RealityKit/improving-the-performance-of-a-realitykit-app).

---

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