[Xorg] Getting GATOS branch created on Xorg
volodya at mindspring.com
Fri Aug 20 12:01:22 PDT 2004
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.
> 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
>> 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)
> Jon Smirl
> jonsmirl at yahoo.com
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