On Tue, 2006-03-21 at 17:07 -0500, Ryan C. Gordon wrote:
> > But on the net you can read, that
> > on Vista you have to disable GLASS
> > to get OpenGL support. I don't call the Vista
> > OpenGL Wrapper real OpenGL support.
> This isn't true as of a few days ago:
> Looks like you'll be able to do OpenGL 2.0 in a window on Vista, pixel
> shaders and hardware acceleration and all, assuming your vendor (Nvidia,
> ATI, etc) supply an updated driver, which they certainly will.
> It's interesting how quickly that changed. Now Microsoft's "legacy" GL
> renderer that's layered over Direct3D means everyone (even crappy
> on-board chips) will get a decent GL implementation, hardware
> accelerated so long as you don't need more than GL 1.4. Compared to what
> you might end up with as a GL implementation for an on-board video chip
> otherwise, this might actually be faster, more stable, and more
> feature-complete, and takes pressure off the low-end vendors to deliver
> anything other that D3D drivers. It also, more or less, guarantees that
> you won't land in a GL software renderer on Vista.
> And the hardcore will still have Nvidia and ATI drivers.
> From here, it sounds like this just became a huge win for OpenGL.
IMHO, what happened is that the original message from MS, that they were
dropping OpenGL support, was a combination of FUD and a trial balloon to
see how people would react. If there had been no strong reaction OpenGL
would have disappeared from Vista. But, there was a huge reaction. And
it wasn't just from gamers.
A lot of the reaction came from the engineering workstation software
vendors and users. The engineering workstation market is a stronghold of
UNIX/Linux and acts as an entry point for UNIX/Linux into the
enterprise. It is also the market where large corporations are still
willing to pay many thousands of dollars per seat for hardware. It is a
market that MS wants very very badly. Most of the high dollar
engineering applications are written using OpenGL. So, MS decided to
support OpenGL in vista. That decision got such a great reaction that MS
decided to provide even better support for OpenGL.
You can say a lot of things about MS, but you can't say they will do
something that will lock them out of an important market for software.
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