---
title: "glProgramUniform3fEXT(_:_:_:_:_:)"
framework: OpenGL ES
role: symbol
role_heading: Function
platforms: [iOS 5.0+, iPadOS 5.0+, Mac Catalyst 5.0+, tvOS 9.0+]
path: "opengles/glprogramuniform3fext(_:_:_:_:_:)"
---

# glProgramUniform3fEXT(_:_:_:_:_:)

## Declaration

```swift
func glProgramUniform3fEXT(_ program: GLuint, _ location: GLint, _ x: GLfloat, _ y: GLfloat, _ z: GLfloat)
```