[Xorg] Getting GATOS branch created on Xorg

[Vladimir Dergachev]

On Fri, 20 Aug 2004, Jon Smirl wrote:

> Why can't you use the DRM API to allocate a piece of texture memory?

I can. But I will receive texture memory in *system* RAM.

Video capture requires a piece of *video* RAM, the one that resides 
directly on the card.

                         best

                           Vladimir Dergachev


>
> The better model is a merged driver with coordinated memory management.
>
> --- Alan Cox <alan at lxorguk.ukuu.org.uk> wrote:
>
>> On Gwe, 2004-08-20 at 17:31, Jon Smirl wrote:
>>> There is already code in X for coordinating video memory usage with
>>> DRM. The DRM memory manager keeps 2D X from stomping on 3D buffers.
>>> Same mechansim can be used to protect the video streaming memory.
>>
>> Its not dynamic. AlanH added stuff to head in that direction but it
>> isnt
>> there yet for the general case. The VIA/SIS drivers support this in
>> theory but not most of the others. (and the VIA/SIS memory mangler
>> isn't where we want to end up)
>>
>> Alan
>>
>>
>
>
> =====
> Jon Smirl
> jonsmirl at yahoo.com
>
>
>
>
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