# File lib/ruby-sdl-ffi/sdl/video.rb, line 318
  def self.UpdateRects( surf, rects )
    rects_mp = FFI::Buffer.new( Rect, rects.length )

    rects.each_with_index do |rect, i|
      rects_mp[i].put_bytes( 0, rect.to_bytes )
    end

    __UpdateRects( surf, rects.length, rects_mp )
  end