---
title: "glSampleCoveragex(_:_:)"
framework: OpenGL ES
role: symbol
role_heading: Function
platforms: [iOS 2.0+, iPadOS 2.0+, Mac Catalyst 2.0+, tvOS 9.0+]
path: "opengles/glsamplecoveragex(_:_:)"
---

# glSampleCoveragex(_:_:)

## Declaration

```swift
func glSampleCoveragex(_ value: GLclampx, _ invert: GLboolean)
```