[Xorg] Getting GATOS branch created on Xorg

[Vladimir Dergachev]

On Thu, 19 Aug 2004, Jon Smirl wrote:

> Why not add v4l support to the DRM device driver and ignore the X
> driver?

Because you would not be able to run X then. You do not want your 
offscreen pixmaps overwritten with video data on a random basis.

The only way this can work is if the video memory allocator is accessible 
from video-in code.

                         best

                           Vladimir Dergachev

>
> --- Vladimir Dergachev <volodya at mindspring.com> wrote:
>
>>
>>
>> On Thu, 19 Aug 2004, Jon Smirl wrote:
>>
>>> What would it take to get GATOS into the video4linux model instead
>> of
>>> having it's own driver? With v4l support would be in the kernel.
>>
>> Major rewrite of X radeon driver. All-in-Wonder cards require a
>> portion of
>> video memory (preferably dynamically allocated) for video capture or
>> playback.
>>
>> Also, video playback requires overlay scalar unit - which thus must
>> be
>> shared with Xserver's XvPutImage functionality.
>>
>> It is simply much easier to implement video-in support in the same
>> place
>> the rest of Radeon driver resides.
>>
>>                          best
>>
>>                            Vladimir Dergachev
>>
>>
>>>
>>>
>>> =====
>>> Jon Smirl
>>> jonsmirl at yahoo.com
>>>
>>>
>>>
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>>
>
>
> =====
> Jon Smirl
> jonsmirl at yahoo.com
>
>
>
>
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