双缓冲(Double Buffering)
http://en.wikipedia.org/wiki/Multiple_buffering
http://en.wikipedia.org/wiki/Dual-ported_RAM
http://www.codeproject.com/KB/graphics/DoubleBuffering.aspx
http://en.wikipedia.org/wiki/Compositing_window_manager
http://www.gamecritics.com/triple-buffering-improve-your-pc-gaming-performance-for-free
http://www.tweakguides.com/Graphics_10.html
http://www.anandtech.com/show/2794
http://www.anandtech.com/show/2794
http://blog.csdn.net/knight94/archive/2006/08/18/1094078.aspx
http://www.bobpowell.net/doublebuffer.htm
http://www.ragestorm.net/tutorial?id=1