Function ocl::ffi::clCreateImage2D

pub unsafe extern "system" fn clCreateImage2D(context: *mut c_void,
                                              flags: u64,
                                              image_format: *mut cl_image_format,
                                              image_width: usize,
                                              image_depth: usize,
                                              image_slc_pitch: usize,
                                              host_ptr: *mut c_void,
                                              errcode_ret: *mut i32)
                                              -> *mut c_void