Dev:IOSurface

This page is about the CoreFoundation class. For the framework, see IOSurface.framework.

IOSurface is an object encompassing a kernel-managed rectangular pixel buffer in the IOSurface framework. It is a thin wrapper on top of an IOSurfaceClient object which actually interfaces with the kernel.

Converting IOSurfaces into normal images

Signature	CGImageRef UICreateCGImageFromIOSurface(IOSurfaceRef ioSurface);
Available in	3.0 –

Signature	-(id)initWithIOSurface:(IOSurfaceRef)ioSurface; // UIImage method.
Available in	3.0 –

In UIKit there are functions to convert an IOSurface to CGImage and UIImage.