Re: GGI, EGCS/PGCC, Kernel source

Steve Hsieh (linker@nightshade.ml.org)
Tue, 24 Feb 1998 01:55:33 -0500 (EST)


On Mon, 23 Feb 1998, Nate Tuck wrote:

> Umm... You still have to copy the data from the application, into the
> shared memory and then out from the shared memory into the video card.
> This sucks three times the system memory bandwidth of going out of the
> application memory directly to the video card. Am I missing something?
>
> nate

Yep, the shared mem is mapped into the apps address space and the app
writes DIRECTLY to the device.. 0 copies.. :)

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