---
title: "glUniformMatrix3fv(_:_:_:_:)"
framework: OpenGL ES
role: symbol
role_heading: Function
platforms: [iOS 3.0+, iPadOS 3.0+, Mac Catalyst 3.0+, tvOS 9.0+]
path: "opengles/gluniformmatrix3fv(_:_:_:_:)"
---

# glUniformMatrix3fv(_:_:_:_:)

## Declaration

```swift
func glUniformMatrix3fv(_ location: GLint, _ count: GLsizei, _ transpose: GLboolean, _ value: UnsafePointer<GLfloat>!)
```