[haiku] Re: nv_driver in kernel mode, but media kit not?

  • From: Ingo Weinhold <ingo_weinhold@xxxxxx>
  • To: haiku@xxxxxxxxxxxxx
  • Date: Mon, 26 Jul 2010 01:10:59 +0200

On 2010-07-25 at 17:20:55 [+0200], Gerald Zajac <zajacg@xxxxxxxxxxxxx> wrote:
> Ingo Weinhold wrote:
> Most drivers consist of a single module which runs in kernel mode;
> whereas, video drivers consist of two modules.  One module is the driver
> which runs in kernel mode;  whereas, the other module is the accelerant
> which runs in user mode and does most of the work of interacting with
> the video hardware.

I actually always wondered why Be went with this split for graphics drivers 
instead of defining a generic ioctl interface (like they did for multi 
audio).

CU, Ingo

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