From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Chad Brown Newsgroups: gmane.emacs.devel Subject: Re: Emacs, QT and Cairo Date: Tue, 13 Jul 2010 15:30:49 -0700 Message-ID: <5A91499A-0470-43FD-9F48-560CEAD3424C@mit.edu> References: <4C3CD120.4040905@swipnet.se> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 (Apple Message framework v1081) Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1279060266 8978 80.91.229.12 (13 Jul 2010 22:31:06 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 13 Jul 2010 22:31:06 +0000 (UTC) Cc: Emacs development discussions To: =?iso-8859-1?Q?Jan_Dj=E4rv?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Jul 14 00:31:05 2010 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1OYo0H-0005vY-3d for ged-emacs-devel@m.gmane.org; Wed, 14 Jul 2010 00:31:05 +0200 Original-Received: from localhost ([127.0.0.1]:44668 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OYo0G-0003E6-IN for ged-emacs-devel@m.gmane.org; Tue, 13 Jul 2010 18:31:04 -0400 Original-Received: from [140.186.70.92] (port=60393 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OYo07-0003D1-Ox for emacs-devel@gnu.org; Tue, 13 Jul 2010 18:30:59 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OYo06-0002t0-5J for emacs-devel@gnu.org; Tue, 13 Jul 2010 18:30:55 -0400 Original-Received: from dmz-mailsec-scanner-8.mit.edu ([18.7.68.37]:51985) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OYo06-0002sv-2Z for emacs-devel@gnu.org; Tue, 13 Jul 2010 18:30:54 -0400 X-AuditID: 12074425-b7b12ae0000009fd-64-4c3ce91d36b1 Original-Received: from mailhub-auth-3.mit.edu (MAILHUB-AUTH-3.MIT.EDU [18.9.21.43]) by dmz-mailsec-scanner-8.mit.edu (Symantec Brightmail Gateway) with SMTP id 69.C1.02557.D19EC3C4; Tue, 13 Jul 2010 18:30:53 -0400 (EDT) Original-Received: from outgoing.mit.edu (OUTGOING-AUTH.MIT.EDU [18.7.22.103]) by mailhub-auth-3.mit.edu (8.13.8/8.9.2) with ESMTP id o6DMUqno014693; Tue, 13 Jul 2010 18:30:52 -0400 Original-Received: from [10.0.1.5] (c-98-247-149-76.hsd1.wa.comcast.net [98.247.149.76]) (authenticated bits=0) (User authenticated as yandros@ATHENA.MIT.EDU) by outgoing.mit.edu (8.13.6/8.12.4) with ESMTP id o6DMUn1H005860 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Tue, 13 Jul 2010 18:30:52 -0400 (EDT) In-Reply-To: <4C3CD120.4040905@swipnet.se> X-Mailer: Apple Mail (2.1081) X-Brightmail-Tracker: AAAAAA== X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:127225 Archived-At: On Jul 13, 2010, at 1:48 PM, Jan Dj=E4rv wrote: > You would have to have a proper Cairo implementation of Emacs = redisplay before that can be useful. There was a patch for it here = once. It would be interesting to see an analysis of emacs' redisplay needs in = light of modern cpu/gpu/network usage, or even a list of needs for = emacs' redisplay priorities. I recall the 18->19->20 discussions = vaguely, but I'm willing to wager that there are far fewer people using = x-terminals over 14.4k modem lines these days. :-) A `truly excellent' effort in this space would almost certainly require = a huge amount of work from at least one of the already = generous/overburdened developers who truly understands the redisplay = internals, and I would be surprised to hear that any such feels that = they have the free time to devote to such a blue-sky project. I do = wonder if anyone has concrete suggestions for a starting point for some = of us `younger' people, though. Thanks in advance, *Chad=