---
title: MPSMatrixCopyDescriptor
framework: metalperformanceshaders
role: symbol
role_heading: Class
path: metalperformanceshaders/mpsmatrixcopydescriptor
---

# MPSMatrixCopyDescriptor

A description of multiple matrix copy operations.

## Declaration

```swift
class MPSMatrixCopyDescriptor
```

## Topics

### Initializers

- [init(device:count:)](metalperformanceshaders/mpsmatrixcopydescriptor/init(device:count:).md)
- [init(sourceMatrices:destinationMatrices:offsetVector:offset:)](metalperformanceshaders/mpsmatrixcopydescriptor/init(sourcematrices:destinationmatrices:offsetvector:offset:).md)
- [init(sourceMatrix:destinationMatrix:offsets:)](metalperformanceshaders/mpsmatrixcopydescriptor/init(sourcematrix:destinationmatrix:offsets:).md)

### Instance Methods

- [setCopyOperationAt(_:sourceMatrix:destinationMatrix:offsets:)](metalperformanceshaders/mpsmatrixcopydescriptor/setcopyoperationat(_:sourcematrix:destinationmatrix:offsets:).md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Matrix Copying Operations

- [MPSMatrixCopy](metalperformanceshaders/mpsmatrixcopy.md)
- [MPSMatrixCopyToImage](metalperformanceshaders/mpsmatrixcopytoimage.md)
- [MPSImageCopyToMatrix](metalperformanceshaders/mpsimagecopytomatrix.md)