Date: Fri, 18 Aug 2023 07:53:39 +0200 From: Corvin =?ISO-8859-1?Q?K=F6hne?= <corvink@FreeBSD.org> To: Justin England <justin@rapidcity.net>, "virtualization@freebsd.org" <virtualization@FreeBSD.org> Subject: Re: RFB doesn't use client's SetPixelFormat Message-ID: <7bedef372204b58227be77a1ed132fa87f1d92c5.camel@FreeBSD.org> In-Reply-To: <D8BBCF89-D0B5-452A-B6E2-B18AF2E7222C@rapidcity.net> References: <D8BBCF89-D0B5-452A-B6E2-B18AF2E7222C@rapidcity.net>
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[-- Attachment #1 --] On Thu, 2023-08-17 at 10:31 -0700, Justin England wrote: > Greetings, > > I am using FreeBSD 13.2-STABLE and have recently attempted to get > noVNC’s web based VNC client to work with my bhyve VNC consoles, but > immediately realized that the colors are not correctly displayed > where essentially the reds and blues are reversed. > > After doing some research, that is exactly what is happening. Web > browsers seem to use BGR colors where bhyve’s RFB uses RGB. Reading > through the mailing lists / forums of noVNC, this appears to be a > common issue and usually means that the embedded RFB server does not > properly use the pixel format that the client requests. > > After quickly going through the RFB protocol and bhyve’s rfb.c > source, sure enough, when bhyve receives a SetPixelFormat from the > client, it basically ignores it and moves on. ( > rfb_recv_set_pixfmt_msg() ) > > At this point, I’m not sure what to do next. > > Does anybody have a work around for this? > > Is this something that will be added in a future release? > > Should I file a bug report as recommended by the noVNC developers? > > > I appreciate any help I can get with this. > > Thanks, > > Justin England > > > Hi Justin, the illumos project made some improvements for vnc on their fork of bhyve. As far as I can see, they do support the SetPixelFormat command. This would be a good starting point. See https://github.com/illumos/illumos-gate/commit/1aa1f41fe10c6220a7fbef328fac1b72a8355a01 -- Kind regards, Corvin [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEgvRSla3m2t/H2U9G2FTaVjFeAmoFAmTfB2MACgkQ2FTaVjFe AmqhHA//RySv8xwhaMjFvWdXg1TNqUNX4iWbashk+80fXqyPYBq34zLmVXNdv+rF TzJ+eELbgRF5+zV2UM/W44NT+z8PEJp/d2K+Rq0TDTCBplbRihyY3/bWDwPNNH/L 2lePaqgCQrkKjKf0GLjpDtt5KvinOk+uj48YVxDxLd85581/0hpItw+NvpvQj5ZZ mI3vWikuFPQpQLl9rof+OjKuwSD+QMblNNDzMcJqsS7L7XKa8qKwx7NUksBXdgDG EtywsN+CNyXYWToXZsA7ZpL/gzGADX7MLc7QjH3zkq7Qqhr9UAgaPD4O1uDdcrer ZNZCYAADPVPQ9z9zhcX4xgKwG90B6MNyDc961YtJYaA0gCcTdL7HVCfFga71zhW5 Ij4G5Pqsv9HvcsY+A4aOvroIoW9j9v/LyCSBdgKkXVsPaCWBinp+AONBaiu8bTIQ Jaayq3BK5s3eueJ62H0fUOHD1MjsnrsJSOk4GgQ2llLbVJfD+/pbFVIUxb7wxJOF ljFYnsdStLnS8YUgMORznRiiJe3zB1r0ifRFyQrZ1x6v3dkVQhgqcO851eK/Qjps TzP1Cq1Xv3uupwPhaMnt4AR2b6BRVfvnYhScKUqUqCR9TxutrooOP3bah7pBvwVp SxuwUalyphyyWICE5MXkH11iojGxJqXJJuSrlzlfHgI8EiAmaMc= =oSTk -----END PGP SIGNATURE-----help
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