PerformanceOverlay Class

Renders a performance statistics overlay on screen. Shows FPS, frame time, draw calls, and other metrics. Renders in screen space (UI layer) so it doesn't move with the camera.

public class PerformanceOverlay

Inheritance System.Object → PerformanceOverlay

Properties
DisplayUpdateInterval	Gets or sets the display update interval in seconds. Default is 0.1 (10 updates per second). Lower values update more frequently but use more CPU for text rendering.
IsVisible	Gets or sets whether the overlay is visible.
Position	Gets or sets the overlay position on screen.
ShowDetailedStats	Gets or sets whether to show detailed statistics.
ShowSystemProfiling	Gets or sets whether to show system profiling details.

Methods
Render(IRenderer)	Renders the performance overlay. Screen dimensions are obtained from the renderer.
RenderFrameTimeGraph(IRenderer)	Renders a frame time graph. Graph updates every frame for smooth animation. Screen dimensions are obtained from the renderer.
RenderSystemProfiling(IRenderer)	Renders system profiling data (F4 toggle). Updates are throttled to the same rate as the main overlay. Screen dimensions are obtained from the renderer.
UpdateDisplayedValues()	Updates the displayed values from the monitor. Called at a fixed interval (not every frame).