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# MTL4PipelineDescriptor

Base type for descriptors you use for building pipeline state objects.

```
class MTL4PipelineDescriptor
```

## Relationships

### Conforms To

[`NSCopying`](/documentation/Foundation/NSCopying)

[`Equatable`](/documentation/Swift/Equatable)

[`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible)

[`Hashable`](/documentation/Swift/Hashable)

[`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible)

[`CVarArg`](/documentation/Swift/CVarArg)

[`NSObjectProtocol`](/documentation/ObjectiveC/NSObjectProtocol)

### Inherited By

[`MTL4ComputePipelineDescriptor`](/documentation/Metal/MTL4ComputePipelineDescriptor)

[`MTL4TileRenderPipelineDescriptor`](/documentation/Metal/MTL4TileRenderPipelineDescriptor)

[`MTL4MeshRenderPipelineDescriptor`](/documentation/Metal/MTL4MeshRenderPipelineDescriptor)

[`MTL4RenderPipelineDescriptor`](/documentation/Metal/MTL4RenderPipelineDescriptor)

[`MTL4MachineLearningPipelineDescriptor`](/documentation/Metal/MTL4MachineLearningPipelineDescriptor)

### Inherits From

[`NSObject-swift.class`](/documentation/ObjectiveC/NSObject-swift.class)

---

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