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Temporal Super Resolution

Temporal Super Resolution (TSR) is an upsampling system that help achieve better performance in Skyreal VR.

TSR works by reducing the resolution rendered by the graphic card and then upsampling the image to get the desired resolution while keeping visual fidelity. It use an algorithm that focuses primarily on investing more GPU cycles of a frame into temporal upscaling quality to save total GPU frame cost. For exemple, TSR set at 50% on a 1920x1080 screen will render the image at 1280x720 and upsample it at native resolution.

TSR works in Desktop and in VR.

Desktop Command​


TSR Slider Percentage

TSR is adjustable with the slider "Screen Percentage" inside the "Performance" menu on the top right of the viewport. The lower the value, the better the performance but, the image can have some artifacts.

Limitations​

TSR is not ajustable while in VR. TSR in VR does not work with SteamVR (as of UE 5.2).

For more information about TSR: https://docs.unrealengine.com/5.2/en-US/temporal-super-resolution-in-unreal-engine/