Lights.ibl — cubemap-based image-based lighting, the
prefiltered environment that drives the diffuse + GGX-specular
contribution to each fragment's BRDF.
Lights.hemispheric — analytical sky/ground/up gradient
ambient that cheaply lifts the flat ambient floor.
Both effects stack additively when enabled. Use
ViewProfiles when an
application needs profile-specific IBL/hemisphere balance.
Aggregates the environment-illumination components for a View.
Holds:
Both effects stack additively when enabled. Use ViewProfiles when an application needs profile-specific IBL/hemisphere balance.