Date: Sat, 18 Aug 2012 22:02:25 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Meowthink <meowthink@gmail.com> Cc: freebsd-x11@freebsd.org, freebsd-emulation@freebsd.org Subject: Re: [CFT]Patch for dri / drm interoperability i386 world / amd64 kernel Message-ID: <20120818190225.GF33100@deviant.kiev.zoral.com.ua> In-Reply-To: <CABnABoZKENJqcoQbkw6A0hJY_YY6Y0-FUM6GghtE%2Ba4wH7GwVA@mail.gmail.com> References: <CABnABoZKENJqcoQbkw6A0hJY_YY6Y0-FUM6GghtE%2Ba4wH7GwVA@mail.gmail.com>
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--kR3zbvD4cgoYnS/6 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Aug 11, 2012 at 09:25:09AM +0800, Meowthink wrote: > Hello all, >=20 > So long FreeBSD's DRI implementation lacks of i386/amd64 > interoperability, as discussed [0] [1]. This breaks wine, linuxulator > etc. drawing using DRI-based OpenGL. > Paul Mackerras et al. actually did that part for Linux implementation, > so I simply translated their work to FreeBSD. Due to my poor > programming skills, there's some limitations: > 0. I tried to split compatible codes into separate files, like under > Linux. But as a result of the difference between FreeBSD and Linux, > the code is integrated in a "#include ...ioc32.c" form which is not > so elegant. > 1. For same reason, struct drm_driver_info has to be changed. I fixed 0 and 1 to my liking and committed the patch. Thank you. > 2. There should be some assertions if a 64-bit pointer failed to fit > in a 32-bit space. Linux implementation didn't do this either, but > they're guaranteed by user-space ioctl structures. This may result > unstable under heavy load. I am not sure what do you mean exactly. Can you elaborate, please ? --kR3zbvD4cgoYnS/6 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (FreeBSD) iEYEARECAAYFAlAv5ooACgkQC3+MBN1Mb4j2aQCgnBI9boW2+ygqqGhLWxo6bGez wEkAoNMpSaL+HhERdVPu9onnB26/1Ne+ =67i6 -----END PGP SIGNATURE----- --kR3zbvD4cgoYnS/6--
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