will wayland support multi plane?

Benjamin Franzke benjaminfranzke at googlemail.com
Thu Apr 28 03:51:59 PDT 2011

Yeah, we'll work on integrating the kms overlay stuff, thats talked
about on dri-devel [1], into compositor-drm as well as

[1] http://lists.freedesktop.org/archives/dri-devel/2011-April/010559.html


2011/4/28 Marcus Lorentzon <marcus.xm.lorentzon at stericsson.com>:
> On 04/28/2011 11:27 AM, Zhao, Juan J wrote:
>> Hi there,
>>        Some embedded system provide more than one plan to work at the same
>> time to get better performance. For example, one video running on one
>> plane and one other video or graphics run on the other plane.
>>        Will wayland take this to be considered? One video on plane A, one
>> window on Plane B, and the cursor in on Plane C....
> Maybe the new OpenWF Display compositor will make this possible. As I
> understand, overlays are not "standard" in KMS, but by abstracting KMS with
> OpenWFD, any vendor providing OpenWFD drivers with multiple pipes should be
> able to get overlays in the "demo" wayland compositor (as long as the
> compositor is extended to make use of multiple pipes).
> See
> http://cgit.freedesktop.org/wayland/wayland-demos/tree/compositor/compositor-openwfd.c.
> I guess Ben can give more details on the target of this new compositor.
> /BR
> /Marcus

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