From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: =?iso-8859-1?Q?Jan_Dj=E4rv?= Newsgroups: gmane.emacs.devel Subject: Re: porting to Wayland Date: Mon, 14 Jul 2014 08:21:05 +0200 Message-ID: References: <87fvi6unfi.fsf-ueno@gnu.org> <53C24B44.3000304@swipnet.se> <87d2d97fac.fsf-ueno@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1405318889 14325 80.91.229.3 (14 Jul 2014 06:21:29 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 14 Jul 2014 06:21:29 +0000 (UTC) Cc: emacs-devel@gnu.org To: Daiki Ueno Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Jul 14 08:21:22 2014 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1X6Zda-0004LA-3q for ged-emacs-devel@m.gmane.org; Mon, 14 Jul 2014 08:21:22 +0200 Original-Received: from localhost ([::1]:54769 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X6ZdZ-00085H-Hx for ged-emacs-devel@m.gmane.org; Mon, 14 Jul 2014 02:21:21 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:48923) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X6ZdR-000853-VG for emacs-devel@gnu.org; Mon, 14 Jul 2014 02:21:19 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X6ZdM-0007wo-N6 for emacs-devel@gnu.org; Mon, 14 Jul 2014 02:21:13 -0400 Original-Received: from mailfe01.swip.net ([212.247.154.1]:37134 helo=swip.net) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X6ZdM-0007wP-GP; Mon, 14 Jul 2014 02:21:08 -0400 X-T2-Spam-Status: No, hits=0.8 required=5.0 tests=BAYES_50 Original-Received: from hosdjarv.se (account mj138573@tele2.se [46.59.42.57] verified) by mailfe01.swip.net (CommuniGate Pro SMTP 5.4.4) with ESMTPA id 519654402; Mon, 14 Jul 2014 08:21:06 +0200 In-Reply-To: <87d2d97fac.fsf-ueno@gnu.org> X-Mailer: Apple Mail (2.1878.6) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.247.154.1 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:173019 Archived-At: Hello. 13 jul 2014 kl. 11:56 skrev Daiki Ueno : > Jan Dj=E4rv writes: >=20 >=20 >> Using Cairo is actually slower than using X, sometimes visible >> so. Making Cairo draw the same way we draw in X may be a suboptimal >> way to use Cairo. >=20 > However, on Wayland, I feel rendering through XWayland rather slower > than using Cairo directly. Even the 'M-x butterfly' animation is not > very smooth (few glyphs are visible before being cleared). Maybe I > should have measured the speed before coding. XWayland does have extra overhead, so this is not surprising. But it is = disturbing that the overhead is so large that it is noticable. Jan D.