[PATCH] xwayland: Use drm buffers for cursors if available

[Jasper St. Pierre]

I don't necessarily have an opinion either way, but do note that since
VGEM isn't here yet, this change will break using Xwayland under a
free VM. We should fall back to wl_shm in any case.

On Wed, Feb 10, 2016 at 9:16 AM, Daniel Stone <daniel at fooishbar.org> wrote:
> On 10 February 2016 at 17:08, Kristian Høgsberg <krh at bitplanet.net> wrote:
>> On Wed, Feb 10, 2016 at 7:39 AM, Emil Velikov <emil.l.velikov at gmail.com> wrote:
>>> On 5 February 2016 at 08:42, Pekka Paalanen <ppaalanen at gmail.com> wrote:
>>>
>>>> umm, do we really want to add even more uses of the Mesa-private wl_drm
>>>> protocol outside of Mesa? Though it seems that ship sailed a long time
>>>> ago.
>>>>
>>>> Should we just bite the bullet, and have Mesa install drm.xml for
>>>> public consumption? Or move drm.xml to wayland-protocols.git?
>>>>
>>>> I thought all that was a Bad Idea(tm).
>>>>
>>> If we consider that distributing the protocol for public consumption
>>> is OK, please use wayland-protocols.git. Keeping it in mesa will lead
>>> to nasty circular dependencies.
>>
>> I think we should. It's pretty much the equivalent of dri2proto and
>> it's useful for projects such as libva as well.
>
> Why not a stabliised zlinux_dmabuf instead? The only thing I can
> really say against it is that it lacks FB modifier support, but, well,
> so does wl_drm (and gbm, which means you can't extract multi-plane
> buffers to overlays, or particularly sensibly to
> non-TEXTURE_EXTERNAL_OES GL ...).
>
> Cheers,
> Daniel
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-- 
  Jasper