---
title: GL_SHADING_LANGUAGE_VERSION
framework: OpenGL ES
role: symbol
role_heading: Global Variable
platforms: [iOS 2.0+, iPadOS 2.0+, Mac Catalyst 2.0+, tvOS 9.0+, visionOS 1.0+]
path: opengles/gl_shading_language_version
---

# GL_SHADING_LANGUAGE_VERSION

## Declaration

```swift
var GL_SHADING_LANGUAGE_VERSION: Int32 { get }
```