# OpenGL2

> OpenGL 2.x graphics API. (deprecated, only available on Linux and MacOSX).

## Definition

* **Type:** Field
* **Namespace:** [UnityEngine.Rendering](/engine/6000.5/script-reference/unityengine/rendering.md)
* **Assembly:** UnityEngine.CoreModule

> **Warning:**
>
> **Deprecated.** OpenGL2 is no longer supported in Unity 5.5+

```csharp
OpenGL2 = 0
```