To tell you the truth, this is the first time I hear about “Direct
Rendering”. It seems that I will have to check it out. Can you give me a
link?
-tzvetan
----- Original Message -----
From: “Moreira, Alberto”
To: “NT Developers Interest List”
Sent: Thursday, October 25, 2001 7:08 AM
Subject: [ntdev] RE: No right way to share PCI device memory with user mod
e?
> I would check what the Direct Rendering crowd is doing, they have solved
the
> problem and their graphics are not slow. Incidentally, they do it under
Unix
> too.
>
> Alberto.
>
>
> -----Original Message-----
> From: Harmon, Larry CT [mailto:xxxxx@diebold.com]
> Sent: Thursday, October 25, 2001 7:08 AM
> To: NT Developers Interest List
> Subject: [ntdev] RE: No right way to share PCI device memory with user
> mod e?
>
>
> tzvetan,
> There is no good way of sharing memory between a driver and a user
> mode application. Thats why you haven’t found any direct answers. NT was
> designed to isolate the hardware from user tasks, so sharing memory is
> contrary to NT’s design.
> NT’s archicture requires a kernel mode driver to pass data between devices
> and applications. It isn’t DOS.
>
> Larry
>
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