D3D instancing

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D3D instance 技术概述与实践
http://www.cnitblog.com/updraft/articles/56980.html

 Efficiently Drawing Multiple Instances of Geometry (Direct3D 9)

http://msdn.microsoft.com/en-us/library/bb173349%28VS.85%29.aspx 


Instancing Sample
http://msdn.microsoft.com/en-us/library/ee418269%28VS.85%29.aspx

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