<!--
{
  "availability" : [
    "iOS: 27.0.0 -",
    "iPadOS: 27.0.0 -",
    "tvOS: 27.0.0 -",
    "visionOS: 27.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "RealityKit",
  "identifier" : "/documentation/RealityKit/LowLevelRenderContextLighting",
  "metadataVersion" : "0.1.0",
  "role" : "Protocol",
  "symbol" : {
    "kind" : "Protocol",
    "modules" : [
      "RealityKit"
    ],
    "preciseIdentifier" : "s:19RealityCoreRenderer29LowLevelRenderContextLightingP"
  },
  "title" : "LowLevelRenderContextLighting"
}
-->

# LowLevelRenderContextLighting

The interface for creating lighting functions for use in materials.

```
protocol LowLevelRenderContextLighting
```

## Topics

### Making lighting functions

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

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

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

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

## Relationships

### Conforming Types

[`LowLevelRenderContextStandalone`](/documentation/RealityKit/LowLevelRenderContextStandalone)

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)