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# LowLevelRenderContextLighting Implementations

## Topics

### Instance Methods

[`func makeImageBasedLightingFunction() -> sending LowLevelMaterialResource.LightingFunction`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeImageBasedLightingFunction())

Returns a lighting function using image-based lighting (IBL).

[`func makeUnlitLightingFunction() -> sending LowLevelMaterialResource.LightingFunction`](/documentation/RealityKit/LowLevelRenderContextStandalone/makeUnlitLightingFunction())

Returns an unlit lighting function that emits the surface emissive color directly,
without any lighting calculations.

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