# Sandbox.Engine.Settings.RenderSettings.Fsr1Sharpness

```csharp
float Fsr1Sharpness { get; set; }
```

FSR1 RCAS sharpness in [0..1]. Only used when [Sandbox.Engine.Settings.RenderSettings.UpscalerMode](/api/Sandbox.Engine.Settings.RenderSettings/UpscalerMode) is FSR1.

Declared in [Sandbox.Engine.Settings.RenderSettings](/api/Sandbox.Engine.Settings.RenderSettings).
Assembly: `Sandbox.Engine`.