---
title: "glProgramUniform4fEXT(_:_:_:_:_:_:)"
framework: OpenGL ES
role: symbol
role_heading: Function
platforms: [iOS 5.0+, iPadOS 5.0+, Mac Catalyst 5.0+, tvOS 9.0+]
path: "opengles/glprogramuniform4fext(_:_:_:_:_:_:)"
---

# glProgramUniform4fEXT(_:_:_:_:_:_:)

## Declaration

```swift
func glProgramUniform4fEXT(_ program: GLuint, _ location: GLint, _ x: GLfloat, _ y: GLfloat, _ z: GLfloat, _ w: GLfloat)
```