<!--
{
  "availability" : [
    "iOS: 17.0.0 -",
    "iPadOS: 17.0.0 -",
    "macCatalyst: 17.0.0 -",
    "macOS: 14.0.0 -",
    "tvOS: 17.0.0 -",
    "visionOS: 1.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "QuartzCore",
  "identifier" : "/documentation/QuartzCore/CAMetalDisplayLink/Update",
  "metadataVersion" : "0.1.0",
  "role" : "Class",
  "symbol" : {
    "kind" : "Class",
    "modules" : [
      "Core Animation",
      "QuartzCore"
    ],
    "preciseIdentifier" : "c:objc(cs)CAMetalDisplayLinkUpdate"
  },
  "title" : "CAMetalDisplayLink.Update"
}
-->

# CAMetalDisplayLink.Update

Stores information about a single update from a Metal display link instance.

```
class Update
```

## Topics

### Timing the Next Animation Frame

[`targetPresentationTimestamp`](/documentation/QuartzCore/CAMetalDisplayLink/Update/targetPresentationTimestamp)

The time the system estimates until the display of the next frame.

### Drawing the Next Frame

[`targetTimestamp`](/documentation/QuartzCore/CAMetalDisplayLink/Update/targetTimestamp)

A deadline that indicates when your app needs to finish rendering to the drawable.

[`drawable`](/documentation/QuartzCore/CAMetalDisplayLink/Update/drawable)

The Metal drawable your app uses to render the next frame.



---

Copyright &copy; 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)