Well, if people go forward in ways that aren’t compatible with what’s out
there today, they do it at their own risk. But if the next system breaks
with today’s hardware or software, you bet things will change anyway, so,
why fret ? We’ll cross that bridge when we get there. Graphics is such a
difficult and time consuming area, that keeping current with the latest OS
comes in the wash. My take is, whatever the system will be tomorrow, doesn’t
really matter, people will adapt to whatever comes, and functionality will
keep moving away from the host and into the graphics chip. But one bird in
hand is better than two in the bush, so, I personally believe in taking my
chances today, and let tomorrow take care of itself!
Alberto.
-----Original Message-----
From: Don Burn [mailto:xxxxx@acm.org]
Sent: Monday, August 06, 2001 10:56 AM
To: NT Developers Interest List
Subject: [ntdev] Re: AW: RE: Mapping scattered pages into process addr
ess space
Alberto Moreira wrote:
And I could easily turn the table on this one. What do I care about
Microsoft’s edicts if I’m into big time graphics ? If I don’t need that
extra graphics performance, that’s easy enough, I can get myself a legacy
video board, and presto, problem solved.What we do have to get away from, IMHO, is the straightjacket imposed by
the
current party-line way of writing drivers. And let me put it this way, if
you cringe at the relatively mild liberties graphics people take with the
system, I wonder what your reaction would be to what we do within SoftIce
or
BoundsChecker, or even TrueTime ? Yet we don’t crash systems any more than
anybody else.
Except you are making one very big and wrong assumption, that what
Windows does today is what happens in the future. I was involved in
discussions
with Microsoft at one time that would have caused your driver without
IoMapTransfer
to cause the system to fail. Microsoft decided not to pursue the product
that
would have created this change, but who knows what the next one will
produce.
It is the attitude you express of I can do better than the Microsoft edicts,
that is likely
to create the unstable system that Microsoft is trying to eliminate.
Don Burn
Windows 2000 Device Driver and Filesystem consulting
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