Half-Life 2: Episode Two to support DX10 tech

People are being mislead by this.

There is NO DX10 support whatsoever in XP. It doesn't matter if Nvidia, ATi, Valve, or whoever wants it, but Microsoft are the people who decide where the API can be used. It's just technically possible in XP without redoing a ton of XP code.

I think what they mean when referring to XP DX10 is that they will utilize the DX10 cards extra performance, which is a big duh.


Can't wait to see benchmarks though between same hardware with XP / Vista though :) Should be interesting.
 
People are being mislead by this.

There is NO DX10 support whatsoever in XP. It doesn't matter if Nvidia, ATi, Valve, or whoever wants it, but Microsoft are the people who decide where the API can be used. It's just technically possible in XP without redoing a ton of XP code.

I think what they mean when referring to XP DX10 is that they will utilize the DX10 cards extra performance, which is a big duh.


Can't wait to see benchmarks though between same hardware with XP / Vista though :) Should be interesting.
Thanks for clearing that up
i was wondering how the hell they'll use DX10 tech on XP =\
 
Sweet, should have my quad DX10 pc by the time Crysis/Episode 2 come out!

Waiting to see if anything better is coming out.
 
What can NVIDIA's NV40/G70? They can filter FP16 textures. What can't they? MSAA on FP16 render target ("FP16-MSAA").
What can AMD's R520/R580? They can do MSAA on FP16-RT, but they can't filter FP16 textures. That's why we got HDR implementation Nr. 4.
And now look at this: http://www.driverheaven.net/articles/ValveHDR/pictures/Slide27.JPG
http://www.driverheaven.net/articles/ValveHDR/pictures/Slide28.JPG
R600 and G80 can do MSAA on FP16-RT and they can filter FP16 textures. I bet, it's HDR implemetation Nr.3 with full FP16 support. There is no magic.
 
Perhaps Valve switched from Direct3D to OpenGL? New DirectX10-capable graphic cards support new OpenGL version (2.1?), which includes similar technology to DX10...

...and OpenGL is system independent, it would work on Windows 95 only if someone would care to write a driver ;)
 
OpenGL by itself is independent, yes... However you would have to watch which extensions you're using and such and be wary of the versions out there.

DirectX is great though and no real reason to change.

Oh, and the latest OpenGL doesn't have all of the features of DX10 (geometry shader for example).
 
directx10

What is new in directx10, read somewhere vaugley that dx10 cards have somthing like polygon filtering. In AA, you smoothen the jag lines. In AF, you max the textures. In this "PF", you make standard polygon objects look smoother (more polys) and well it looks nicer. any thoughts?
 
The only difference between Direct X 10 and Direct X 9 is that Direct X 10 is a performance boost over its predecesor. Not really any graphical enhancements or effects like Direct X 9 had over Direct X 8.

I thought I would say this, if any one was wondering.
 
The only difference between Direct X 10 and Direct X 9 is that Direct X 10 is a performance boost over its predecesor. Not really any graphical enhancements or effects like Direct X 9 had over Direct X 8.

I thought I would say this, if any one was wondering.

Keep in mind, that with the extra cycles you get with DX10, you can do a LOT more graphical effects.
 
The only difference between Direct X 10 and Direct X 9 is that Direct X 10 is a performance boost over its predecesor. Not really any graphical enhancements or effects like Direct X 9 had over Direct X 8.

I thought I would say this, if any one was wondering.
Geometry Shader?
 
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