[osg-users] [Fwd: Mesa and gldirect]
jan.ciger at gmail.com
Mon Mar 23 14:35:55 PDT 2009
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Cory Riddell wrote:
> There are video cards with good D3D drivers and crappy OpenGL drivers. I
> can see why it might be nice to have the option of sitting on top of
> D3D. It's entirely possible that performance could be better going
> through an optimized D3D driver rather than directly through a crappy
> OpenGL driver.
I think it would be better to put pressure on the vendor to fix their
driver instead of removing the only incentive for them to do so.
> I don't understand why putting another layer between OSG and the
> hardware would result in having to chase GPU API's? Are you writing code
> that goes around OpenGL?
No, but you will chase changing DirectX APIs. And those are not
standardized and changing whenever Microsoft feels like it. So your
"driver" will by necessity lag behind whatever the vendors and Microsoft
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