# Sandbox.Engine.Settings.UpscalerMode

Selects which upscaler is used to take a lower-resolution scene render and upscale it
back to display resolution. Mirrors the `r_upscaling` ConVar.

- Kind: enum
- Namespace: `Sandbox.Engine.Settings`
- Assembly: `Sandbox.Engine`
- Modifiers: sealed

## Fields

- [`DLSS`](/api/Sandbox.Engine.Settings.UpscalerMode/DLSS): NVIDIA Deep Learning Super Sampling — temporal AI upscaler. NVIDIA hardware only.
- [`FSR1`](/api/Sandbox.Engine.Settings.UpscalerMode/FSR1): AMD FidelityFX Super Resolution 1 — spatial upscaler (EASU + RCAS).
- [`FSR3`](/api/Sandbox.Engine.Settings.UpscalerMode/FSR3): AMD FidelityFX Super Resolution 3 — temporal upscaler.
- [`Off`](/api/Sandbox.Engine.Settings.UpscalerMode/Off): Native resolution rendering, no upscaler.
- [`Stretch`](/api/Sandbox.Engine.Settings.UpscalerMode/Stretch): Render at lower resolution, bilinear blit to display resolution.