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# init(geometry:surface:lighting:)

Creates a descriptor from the three shader stages.

```
init(geometry: LowLevelMaterialResource.GeometryModifier, surface: LowLevelMaterialResource.SurfaceShader, lighting: LowLevelMaterialResource.LightingFunction)
```

## Parameters

`geometry`

The vertex-stage geometry modifier.

`surface`

The fragment-stage surface shader.

`lighting`

The lighting evaluation function.

---

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