# CVOpenGLBufferGetAttributes(_:) Obtains the attributes of a Core Video OpenGL buffer. ``` func CVOpenGLBufferGetAttributes(_ openGLBuffer: CVOpenGLBuffer) -> Unmanaged? ``` ## Parameters `openGLBuffer` The OpenGL buffer whose attributes you want to obtain. ## Return Value A Core Foundation dictionary containing the OpenGL buffer attributes, or `NULL` if no attributes exist. ## Discussion --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)