---
title: "glUniform3f(_:_:_:_:)"
framework: OpenGL ES
role: symbol
role_heading: Function
platforms: [iOS 3.0+, iPadOS 3.0+, Mac Catalyst 3.0+, tvOS 9.0+]
path: "opengles/gluniform3f(_:_:_:_:)"
---

# glUniform3f(_:_:_:_:)

## Declaration

```swift
func glUniform3f(_ location: GLint, _ x: GLfloat, _ y: GLfloat, _ z: GLfloat)
```