---
title: "glFlushMappedBufferRangeEXT(_:_:_:)"
framework: OpenGL ES
role: symbol
role_heading: Function
platforms: [iOS 6.0+, iPadOS 6.0+, Mac Catalyst 6.0+, tvOS 9.0+]
path: "opengles/glflushmappedbufferrangeext(_:_:_:)"
---

# glFlushMappedBufferRangeEXT(_:_:_:)

## Declaration

```swift
func glFlushMappedBufferRangeEXT(_ target: GLenum, _ offset: GLintptr, _ length: GLsizeiptr)
```