Function cogl_sys::cogl_bitmap_new_from_buffer

pub unsafe extern "C" fn cogl_bitmap_new_from_buffer(
    buffer: *mut CoglBuffer, 
    format: CoglPixelFormat, 
    width: c_int, 
    height: c_int, 
    rowstride: c_int, 
    offset: c_int
) -> *mut CoglBitmap