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DirectX 9c December 2006 Update


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They do not give you much in lines of what is so updated about it, but this is the first update I have seen since April 2006 for DX9.

 

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Brief Description

December 2006

The Microsoft DirectX® End-User Runtime provides updates updates to 9.0c and previous versions of DirectX — the core Windows® technology that drives high-speed multimedia and games on the PC.

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BTW: DirectX 10 video cards are a mute point for anyone not ready to upgrade to Vista (Those who like XP), unlike DX9 that was out for Win2k to take advantage od DX10 you have to be on Vista. So if you say "I will wait to buy a vid card that is DX10" Then you might as well wait until you also feel like buying a copy of Vista too.

 

"DirectX 10 is available exclusively to Microsoft Vista, which means that computers that aren't running Vista will not be able to run later applications which require DirectX 10; contrary to rumours surrounding the issue, DirectX 10 will not be released to the Xbox 360 via a software patch, this is due to incompatibilities of the graphics hardware."

 

"Some drivers only support one version of DirectX. Prior to DirectX 10, DirectX was considered backward compatible, which means that newer versions supported the older versions. For example, if one had DirectX 9 installed on one's system and ran a game that was written for DirectX 6, it would still work. The game used what was called the DirectX 6 "interface". Every version of DirectX supported every previous version of DirectX. This is a positive consequence of the COM model used for this API.

 

This has changed with DirectX 10, which uses a legacy version of DirectX 9.0c (9.0 EX) to support older platforms."

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xbox 306 has its own DIrectX anyway. The GPU in it is not fully dx10 compliant, but close as you could get til the 8800 came out.

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From what I can dig up they are doing DirectX 9.0c - bimonthly updates until Vista comes out to address legacy support issues in Vista and DX10. Tweaking what the can get away with without breaking DX 9.0c. that is why there will be no more number/letter updates

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Yeah, and MS likes to stir the pot-o-confusion, as DX9 and DX10 will both run seperately in Vista!!

B)

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  • 3 months later...

hmmmm DX9.0c April 2007 Update.. Looking for info on it but it is supposed to fix issues with Jade Empire and Stalker to name a couple.

 

Found some info that is fixes compatiblity issues between 9.0c and 9.0L

 

http://www.microsoft.com/downloads/details...;displaylang=en

 

This update to Directx has two functions. The first is to update older versions to the latest base version - 9.0c, and the second is to install special updates to Directx to capitalise on new graphics card/driver features. For older games it still is Directx 9.0c, the main benefit will be to provide the latest system to the latest games that are programmed to use its features.

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