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# generateSkybox(using:fromEquirectangular:quality:into:)

Adds commands for generating a cube from an equirectangular image, including generating mipmaps.

```
func generateSkybox(using commandBuffer: any MTLCommandBuffer, fromEquirectangular texture: any MTLTexture, quality: TextureSamplingQuality = .low, into destination: any MTLTexture) throws
```

## Parameters

`commandBuffer`

The command buffer to dispatch GPU work to generate cubemap

`texture`

The source image equirectangular texture, also known as “latitude longitude” texture.

`quality`

The sampling quality the method applies as it generates the cube texture.

`destination`

The destination cube texture.
Use [`makeDescriptor(fromEquirectangular:)`](/documentation/RealityKit/SkyboxGenerator/makeDescriptor(fromEquirectangular:)) to get a recommended
descriptor for creating the destination texture.

## Discussion> Throws: If `texture` is not a 2D Metal texture, if `destination` is
> not a cube texture, or if `destination`’s pixel format does not
> support shader writes on this device.

---

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