---
title: "glStencilMaskSeparate(_:_:)"
framework: OpenGL ES
role: symbol
role_heading: Function
platforms: [iOS 3.0+, iPadOS 3.0+, Mac Catalyst 3.0+, tvOS 9.0+]
path: "opengles/glstencilmaskseparate(_:_:)"
---

# glStencilMaskSeparate(_:_:)

## Declaration

```swift
func glStencilMaskSeparate(_ face: GLenum, _ mask: GLuint)
```