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

# glColorMask(_:_:_:_:)

## Declaration

```swift
func glColorMask(_ red: GLboolean, _ green: GLboolean, _ blue: GLboolean, _ alpha: GLboolean)
```