Function SCNMatrix4FromGLKMatrix4 

pub unsafe extern "C-unwind" fn SCNMatrix4FromGLKMatrix4(
    mat: GLKMatrix4,
) -> SCNMatrix4

Available on crate feature SceneKitTypes and crate feature objc2-gl-kit and crate feature objc2-quartz-core and (macOS or iOS or tvOS) only.

Safety

mat must be correctly initialized.