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Windows Vista will layer OpenGL over D3D

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RaZoR1394:
Call to Action: Ensure that OpenGL remains a first class API under Windows Vis


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[/color][/size][/font]Microsoft's current plan for OpenGL on Windows Vista is to layer OpenGL over Direct3D in order to use OpenGL with a composited desktop to obtain the Aeroglass experience. If an OpenGL ICD is run - the desktop compositor will switch off - significantly degrading the user experience.

In practice this means for OpenGL under Aeroglass:




[*]OpenGL performance will be significantly reduced - perhaps as much as 50%
[*]OpenGL on Windows will be fixed at a vanilla version of OpenGL 1.4  
 
 
 
 
[*]No extensions will be possible to expose future hardware innovations.
[/list]It would be technically straightforward to provide an OpenGL ICD within the full Aeroglass experience without compromising the stability or the security of the operating system. Layering OpenGL over Direct3D is a policy more than a technical decision.

What can you do?

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[*]Write to your preferred ISV, hardware developer or OEM and tell them to bring this up with Microsoft (e.g. 3Dlabs, ATI, Intel, Matrox, NVIDIA, HP, Dell)
[*]Bring this issue up on other developer and tech-related web sites. If you have a personal blog or podcast, talk about the issue there. Windows Vista might end up being a great product, but not if OpenGL is crippled
[*] Post your comments to this message board (please no Microsoft bashing - Just make it clear that Windows needs to stay a great platform for the OpenGL API and offer any suggestions)
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I can't believe this. Someone tell me this is a bad dream. I could give a f*ck less about Vista but this may seriously going to make several developers go 100% d3d. And I who thought most problems were gone when stronger software patents got voted down.

toadlife:
Much ado about nothing here.

Microsoft has never supported OpenGL in DirectX. As with Win2k and WinXP, with Vista, proper OpenGL support will be provided by third parties like Nvidia and Ati.

When you run an OpenGL game under Vista, the game will use your graphics card's OpenGL driver, NOT DirectX. "Aero mode" might not work while you are playing your openGL game, but who the heck cares about transparent windows when your running a fullscreen 3d game?

This halfhearted OpenGL support will actually be more than Microsft has ever provided in the past.

skyman8081:

--- Quote from: toadlife ---Much ado about nothing here.

Microsoft has never supported OpenGL in DirectX. As with Win2k and WinXP, with Vista, proper OpenGL support will be provided by third parties like Nvidia and Ati.

When you run an OpenGL game under Vista, the game will use your graphics card's OpenGL driver, NOT DirectX. "Aero mode" might not work while you are playing your openGL game, but who the heck cares about transparent windows when your running a fullscreen 3d game?

This halfhearted OpenGL support will actually be more than Microsft has ever provided in the past.
--- End quote ---

 You are forgetting one thing.

That doesn't make Microsoft look bad, thus is inadmissable here. ;)

toadlife:
Ahh crap. I forgot the rules of evidence here.

Statement withdrawn. :D

WMD:

--- Quote from: skyman8081 ---You are forgetting one thing.

That doesn't make Microsoft look bad, thus is inadmissable here. ;)
--- End quote ---

Oh, you know what skyman?  Just shut up.  Really.  You've only said this stuff about a million times.  We get the picture.

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