Interface EngineOptions

Forwarded to RenderContext.create.

Use this pre-built RenderContext instead of creating a fresh one (which would allocate a separate GPU device). Pass a context from RenderContext.createShared to drive a second canvas off the primary engine's device — required for a secondary view (e.g. a camera preview) that renders an already-loaded scene, since GPU resources can't cross devices. When set, EngineOptions.canvas and contextOptions are ignored.

A render preset is a function that registers a bundle of RenderFeatures on the engine — e.g. forwardPreset() or deferredPreset({...}). Runs once during Engine.create after the RenderContext is ready.

Extra features registered after the preset (in addition to its features).