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# MTLRasterizationRateLayerArray

Descriptions for the rasterization rates to apply to the set of layers in a rate map.

```
class MTLRasterizationRateLayerArray
```

## Topics

### Accessing members of the array

[`subscript(_:)`](/documentation/Metal/MTLRasterizationRateLayerArray/subscript(_:))

Retrieves the sample value at the specified index.

[`setObject:atIndexedSubscript:`](/documentation/Metal/MTLRasterizationRateLayerArray/setObject:atIndexedSubscript:)

Stores a sample value at the specified index.

[`MTLRasterizationRateLayerDescriptor`](/documentation/Metal/MTLRasterizationRateLayerDescriptor)

The minimum rasterization rates to apply to sections of a layer in the render target.


---

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