---
title: "glFenceSync(_:_:)"
framework: OpenGL ES
role: symbol
role_heading: Function
platforms: [iOS 7.0+, iPadOS 7.0+, Mac Catalyst 7.0+, tvOS 9.0+]
path: "opengles/glfencesync(_:_:)"
---

# glFenceSync(_:_:)

## Declaration

```swift
func glFenceSync(_ condition: GLenum, _ flags: GLbitfield) -> GLsync!
```