<div dir="ltr">Hi, <div class="gmail_extra"><br><div class="gmail_quote">2017-06-26 22:13 GMT+08:00 Nicolas Dufresne <span dir="ltr"><<a href="mailto:nicolas@ndufresne.ca" target="_blank">nicolas@ndufresne.ca</a>></span>:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi Daniel,<br>
<br>
is there a clean way to ask a DRM driver if it scales or not ?<br>
<br>
regards,<br>
Nicolas<br>
<br>
Le lundi 26 juin 2017 à 09:44 +0200, Víctor M. Jáquez L. a écrit :<br>
> On 06/25/17 at 02:57pm, Nicolas Dufresne wrote:<br>
> > This interface only make sense for DRM driver that can scale. Then<br>
> > it's<br>
> > just a matter of implementing a refresh independent of upstream<br>
> > caps.<br>
> > Set_render_rectangle is not expected to depend on renegotiation.<br>
><br>
> A bit off-topic: I wonder if there is DRM capability to query if the<br>
> driver<br>
> supports scaling, rather than the trial-and-error we have now.<br>
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<br></blockquote></div><br></div><div class="gmail_extra">We have write a kmssink in x11, maybe it could help you.</div><div class="gmail_extra"><a href="https://github.com/rockchip-linux/gstreamer-rockchip/tree/master/gst/rkximage">https://github.com/rockchip-linux/gstreamer-rockchip/tree/master/gst/rkximage</a></div><div class="gmail_extra"><br></div><div class="gmail_extra">We also have been writing a videooverlay support kmssink  for none-x11 use.</div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div></div>