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

# glScissor(_:_:_:_:)

## Declaration

```swift
func glScissor(_ x: GLint, _ y: GLint, _ width: GLsizei, _ height: GLsizei)
```