Why DirectX 10 is Windows Vista exclusive

Posted on Sunday, Feb 18 2007 @ 10:15 CET by Thomas De Maesschalck
ARS Technica explained this week why DirectX 10 is exclusive to Windows Vista:
According to Microsoft DirectX guru Phil Taylor, development for DX10 wasn't complete until late in Windows XP's lifecycle, and during the time of its development, things became clear that DX10 simply would not fit into XP.

Given XP shipped in 2001 and it was late 2003 when the DX10 design solidified - it should be obvious that 'what the OS was' was well beyond XP before serious DX10 work commenced. Heck, the Longhorn reset was in 2004 and DX10 wasn't done until later. The build that was demo'ed [sic] at WinHEC 2004 with the texture memory management was a very fresh build and wasn't feature complete - and that was April or May 2004. The 1st DX SDK supporting DX10 didn't appear until Dec 2005..

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Thomas De Maesschalck

Thomas has been messing with computer since early childhood and firmly believes the Internet is the best thing since sliced bread. Enjoys playing with new tech, is fascinated by science, and passionate about financial markets. When not behind a computer, he can be found with running shoes on or lifting heavy weights in the weight room.

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