2015-10-01 18:03 GMT+03:00 Robert Folland <robert.foll...@me.com>: > On 01 Oct 2015, at 16:47, Giulio Camuffo <giuliocamu...@gmail.com> wrote: >> >> 2015-10-01 16:40 GMT+03:00 Robert Folland <robert.foll...@me.com>: >>> Hi, >>> >>> I need to display video in different resolutions (the resolution of the >>> recording), but with weston/wayland I always end up with the resolution >>> preferred by the monitor (1920x1080 in my current setup). >>> >>> SDL2 thinks it is producing e.g. 1280x720, but that is not the real output >>> to screen. This is probably due to weston scaling this to 1920x1080 for the >>> monitor, intstead of doing a mode switching, which is what I require for my >>> application. >> >> Why do you need a mode switch? Unless you're using a CRT the monitor >> will scale the image up internally, and usually weston can do it >> better. >> Anyway, I assume SDL uses wl_shell, not xdg_shell, and >> wl_shell_surface.set_fullscreen accepts several modes, and one of them >> asks the compositor to perform a mode switch. Note that it *asks* to, >> there is no way to force it, and that's by design. >> > > I’ve set up a box to be an input source to other equipment. So it is > providing input to another box instead of e.g cameras, playing out > uncompressed video. > So, it will not be displaying to monitors directly, but to a camera input on > another box. And that camera input is accepting a range of resolutions. > > When I check the resolution actually asked for from within SDL it says it is > producing my wanted resolution, but is is not actually apparing on the > output. So I suspect it is not able to force it to weston. > > The monitor/camera input receiving the signal is providing a list of > resolutions in its EDID data, and I guess one is preferred as a native > resolution. But as long as there are more entries in that EDID list, would it > not be a good idea to allow these to be “forced” through weston?
It's not a good idea to let clients force modes, but it seems like you just want weston to always use that resolution, am i right? If so you can tell it to do so by setting the correct resolution in weston.ini. Check "man weston.ini" for details. -- Giulio > > -Robert > > > > _______________________________________________ > wayland-devel mailing list > wayland-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/wayland-devel > _______________________________________________ wayland-devel mailing list wayland-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/wayland-devel
