---
title: GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES
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_uniform_block_active_uniform_indices
---

# GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES

## Declaration

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