On Fri, May 24, 2024 at 09:43:58PM +0000, Hoosier, Matt wrote: > Hi, > > I'm interested in finding or contributing some mechanism to get sort of the > same effect as a cross between: > > > * > weston_output_capture's support for using the DRM_MODE_CONNECTOR_WRITEBACK > connectors, and > > * > the streamed orientation of weston_screen_recorder, and > > * > no forced reliance on the GPU to pre-blend the 2D scene – whatever plane > blending would otherwise have occurred must still occur when the screen > recording mechanism is active > > The desktop environments' compositors implement the XDG screencast portal. If > I read things correctly, that one deposits the stream of dmabuf frame fds > into the Pipewire stream indicated by the user invoking the D-Bus Screencast > API. > > That doesn't really seem like a starter for doing this in Weston. > There was conversation back in 2019 about trying to add zero-copy > dmabuf support in Weston's own Pipewire integration, but I think that > didn't happen? https://gitlab.freedesktop.org/wayland/weston/-/merge_requests/1366 > > Alternately, I see that the remoting plugin on today's main branch supports > GStreamer dmabuf allocators. Does this mean that I could build something > using a virtual weston_output in the drm-backend? > > Cheers, > Matt
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