Function ocl::ffi::clCreateFromGLTexture

pub unsafe extern "system" fn clCreateFromGLTexture(context: *mut c_void,
                                                    flags: u64,
                                                    texture_target: u32,
                                                    miplevel: i32,
                                                    texture: u32,
                                                    errcode_ret: *mut i32)
                                                    -> *mut c_void