---
title: MTL4CounterHeapType
framework: metal
role: symbol
role_heading: Enumeration
path: metal/mtl4counterheaptype
---

# MTL4CounterHeapType

Defines the type of a MTL4CounterHeap and the contents of its entries.

## Declaration

```swift
enum MTL4CounterHeapType
```

## Topics

### Enumeration Cases

- [MTL4CounterHeapType.invalid](metal/mtl4counterheaptype/invalid.md)
- [MTL4CounterHeapType.timestamp](metal/mtl4counterheaptype/timestamp.md)

### Initializers

- [init(rawValue:)](metal/mtl4counterheaptype/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Submitting work to a GPU with Metal 4

- [MTL4CommandQueue](metal/mtl4commandqueue.md)
- [MTL4CommandQueueDescriptor](metal/mtl4commandqueuedescriptor.md)
- [MTL4CommandQueueError](metal/mtl4commandqueueerror-swift.struct.md)
- [MTL4CommandQueueError.Code](metal/mtl4commandqueueerror-swift.struct/code.md)
- [MTL4CommandQueueErrorDomain](metal/mtl4commandqueueerrordomain.md)
- [MTL4CommandBuffer](metal/mtl4commandbuffer.md)
- [MTL4CommandBufferOptions](metal/mtl4commandbufferoptions.md)
- [MTL4CommandEncoder](metal/mtl4commandencoder.md)
- [MTL4RenderEncoderOptions](metal/mtl4renderencoderoptions.md)
- [MTL4ArgumentTable](metal/mtl4argumenttable.md)
- [MTL4ArgumentTableDescriptor](metal/mtl4argumenttabledescriptor.md)
- [MTL4CommandAllocator](metal/mtl4commandallocator.md)
- [MTL4CommandAllocatorDescriptor](metal/mtl4commandallocatordescriptor.md)
- [MTL4CommitOptions](metal/mtl4commitoptions.md)
- [MTL4CommitFeedback](metal/mtl4commitfeedback.md)