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

# glMultMatrixx(_:)

## Declaration

```swift
func glMultMatrixx(_ m: UnsafePointer<GLfixed>!)
```