DirectX 9.0L for Vista

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DirectX 9.L will be a DirectX 10 for Windows XP



DirectX 9.0 L is simply a renamed and refurbished DirectX 10 for Windows XP. It will make DirectX 10 games to work on Windows XP.

And games such as the upcoming Crysis won't work on the existing DirectX 9.0 c. they need a DirectX 9.0 L.......
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source (theinquirer.net)

I'm gonna stick to XP for sure then!
 
I am skeptical about the Inq claims (who isn't). Dx9 L won't have the performance increments that are going to come with Vista and Direct X next (dx10). Ms had promised around 40% performance gains over their current OS win xp. If that claim stands true, gamers will be the first people to adopt Vista as soon as it launches.
 
somehow Vista doesnt excite me all tht much. other than the Aero theme , there isnt anything most pple will appreciate abt it. On the other hand... I'm eagerly awaiting ubunty edgy which is gonna release on oct 26... If only ubuntu had better driver support :(
 
not that it will change much. Vista will be able to play upcoming games faster even on existing hardware than XP can. Games like UT07 and Crysis will run faster on Vista even on todays systems, then why would you want to play them on XP?
 
stone said:
not that it will change much. Vista will be able to play upcoming games faster even on existing hardware than XP can. Games like UT07 and Crysis will run faster on Vista even on todays systems, then why would you want to play them on XP?
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Don't get carried away, we haven't seen it happen yet :D
 
Blade_Runner said:
I am skeptical about the Inq claims (who isn't). Dx9 L won't have the performance increments that are going to come with Vista and Direct X next (dx10). Ms had promised around 40% performance gains over their current OC win xp. If that claim stands true, gamers will be the first people to adopt Vista as soon as it launches.
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The INQ had also said this http://www.techenclave.com/forums/vista-gaming-10-15-slower-than-80265.html
 
I may agree with INQ that current games may run 5-10% slower on Vista. But it almost definite that newer games will run faster on Vista.

This is exactly the case between 98 and XP, and now XP and Vista.
 
OK, to be clear, it is quite possible that 9.0L provides the same API as 10, but if that is so, they will probably translate those calls into regular SM 3.0 rather than the new DX 10 SM 4.0 (or whatever the correct numbers are. I have no idea)
 
KingKrool said:
OK, to be clear, it is quite possible that 9.0L provides the same API as 10, but if that is so, they will probably translate those calls into regular SM 3.0 rather than the new DX 10 SM 4.0 (or whatever the correct numbers are. I have no idea)
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In that case games made for dx next from ground up might run slower on XP. However most games use alternate shader models for e.g. Splinter cell uses 3.0/2.0. Crysis will be sm 3.0 and 4.0 so maybe we won't see games using just sm 4.0 or some dx next exclusive feature due to losing out on the consumer base.
 
I don't think anyone will make SM4.0 only games. Not only will they be restricting themselves to Vista, they will be restricting themselves only to people with the lastest graphics cards. They will always have an alternate path to start off. Hell, a lot of people don't have SM 3.0 yet.
 
UNFORTUNATELY, we were wrong about DirectX 9.0 L.
We managed to confirm the existence of DirectX 9.0L but it won't be a DirectX 10 for Windows XP. It will be the other way around. It is a faster version of DirectX 9.0 that will run under Vista only.

So I have to disappoint all of you who expected to run DirectX 10 games under Windows XP (and apologise, huh, Fudo? News Ed.) as there won't be an API to supports it.

DX9.0L is a special version of DirectX 9 for Vista only that allows DX9 games to run with Vista's new driver model. It's not possible to run D3D10 on XP without running in pure software emulation.

The D3D10 API was designed around the new driver model in Vista. In addition, Aero Glass runs on DX9.0L. Aero Glass is one of the main reasons DX9.0L exists on Vista.

Our sources also confirmed that L in DirectX 9.0 L stands for Longhorn. So we are back at the beginning - you need to buy a new graphic card and a new OS to have the hardware DirectX 10 acceleration on an API that supports it.
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Theinquirer
 
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