# copyResourceViews(sourcePool:sourceRange:destinationIndex:) Copies a range of resource views from a source view pool to a destination location in this view pool. ``` func copyResourceViews(sourcePool: any MTLResourceViewPool, sourceRange: Range, destinationIndex: Int) -> MTLResourceID ``` ## Parameters `sourcePool` resource view pool from which to copy resource views. `sourceRange` The range in the source resource view pool to copy. `destinationIndex` The starting index in this destination view pool into which to copy the source range of resource views. ## Return Value The [`MTLResourceID`](/documentation/Metal/MTLResourceID) of the resource view corresponding to `destinationIndex` of the copy in this resource view pool. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)