Lens Performance Overlay
Overview
The Lens Performance Overlay allows you to view performance data in real time overlaid on the Spectacles display to monitor the efficiency of your draft Lenses.
Spectacles Monitor provides similar functionality in Lens Studio. The Lens Profiler Overlay consumes some Lens Power, resulting in a lower number in the Overlay compared to Spectacles Monitor when both are active. To get more precise numbers in Spectacles Monitor, turn off the Profiler Overlay.
For more information, refer to Spectacles Monitor.
Enabling Lens Performance Overlay
Enable the Lens Performance Overlay through the Spectacles App under Developer Settings.
Performance Data Types
The Lens Performance Overlay provides three types of data for the Lens you have built:
- FPS (Frames Per Second)
- LP (Lens Power Consumption)
- TP (Tracking Power Consumption)
FPS
FPS, or Frames Per Second, measures how many individual images (or frames) the Spectacles display renders per second. To ensure your Lens feels seamless to users, it should run close to 60 FPS.
LP (Lens Power Consumption)
LP, or Lens Power, measures the current power consumption of your Lens, ranging from 0 to 100. It is recommended to keep this value below 100.
Lens Power and FPS are interconnected; if the Lens continuously uses too much power, FPS will be throttled. For more information, refer to the Performance Optimization.
TP (Tracking Power Consumption)
TP, or Tracking Power, measures the power consumption of the entire system for tracking purposes, such as World Tracking and Hand Tracking. This value ranges from 0 to 100. It is recommended to keep this value below 100.