---
title: "glUniformBlockBinding(_:_:_:)"
framework: OpenGL ES
role: symbol
role_heading: Function
platforms: [iOS 7.0+, iPadOS 7.0+, Mac Catalyst 7.0+, tvOS 9.0+]
path: "opengles/gluniformblockbinding(_:_:_:)"
---

# glUniformBlockBinding(_:_:_:)

## Declaration

```swift
func glUniformBlockBinding(_ program: GLuint, _ uniformBlockIndex: GLuint, _ uniformBlockBinding: GLuint)
```