---
title: GL_DYNAMIC_READ
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_dynamic_read
---

# GL_DYNAMIC_READ

## Declaration

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