Context object passed to system process functions.
Pre-allocated per system and reused every frame (zero per-frame allocation).
When resources are declared via withResources(), the context includes a
resources field with the resolved values (cached once on first call).
Context object passed to system process functions. Pre-allocated per system and reused every frame (zero per-frame allocation). When resources are declared via withResources(), the context includes a
resourcesfield with the resolved values (cached once on first call).