From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Chong Yidong Newsgroups: gmane.emacs.bugs Subject: bug#1867: Resizing window causes text flickering when using antialiased font on X Date: Thu, 06 Oct 2011 11:06:18 -0400 Message-ID: <87vcs2kvmd.fsf@stupidchicken.com> References: <87ljtgzvgg.fsf@unicorn.lan> <4E8C00C8.9010208@swipnet.se> <8739f73xva.fsf@stupidchicken.com> <4E8D4524.3090902@swipnet.se> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1317913635 25527 80.91.229.12 (6 Oct 2011 15:07:15 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 6 Oct 2011 15:07:15 +0000 (UTC) Cc: lbsmtp@gmail.com, 1867@debbugs.gnu.org To: "Jan D." Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Oct 06 17:07:10 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1RBpXO-0000K7-2h for geb-bug-gnu-emacs@m.gmane.org; Thu, 06 Oct 2011 17:07:06 +0200 Original-Received: from localhost ([::1]:40921 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RBpXN-0005hk-DK for geb-bug-gnu-emacs@m.gmane.org; Thu, 06 Oct 2011 11:07:05 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:43253) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RBpXL-0005he-Kn for bug-gnu-emacs@gnu.org; Thu, 06 Oct 2011 11:07:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RBpXC-00074I-4p for bug-gnu-emacs@gnu.org; Thu, 06 Oct 2011 11:07:03 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:40192) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RBpXB-000747-Mm for bug-gnu-emacs@gnu.org; Thu, 06 Oct 2011 11:06:54 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1RBpXK-0003Xp-Co for bug-gnu-emacs@gnu.org; Thu, 06 Oct 2011 11:07:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Chong Yidong Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 06 Oct 2011 15:07:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 1867 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 1867-submit@debbugs.gnu.org id=B1867.131791359513593 (code B ref 1867); Thu, 06 Oct 2011 15:07:02 +0000 Original-Received: (at 1867) by debbugs.gnu.org; 6 Oct 2011 15:06:35 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RBpWt-0003XC-1y for submit@debbugs.gnu.org; Thu, 06 Oct 2011 11:06:35 -0400 Original-Received: from vm-emlprdomr-02.its.yale.edu ([130.132.50.143]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1RBpWr-0003X1-Lu for 1867@debbugs.gnu.org; Thu, 06 Oct 2011 11:06:34 -0400 Original-Received: from furball (dhcp-128-36-14-81.central.yale.edu [128.36.14.81]) (authenticated bits=0) by vm-emlprdomr-02.its.yale.edu (8.14.4/8.14.4) with ESMTP id p96F6IOD018905 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT); Thu, 6 Oct 2011 11:06:18 -0400 In-Reply-To: <4E8D4524.3090902@swipnet.se> (Jan D.'s message of "Thu, 06 Oct 2011 08:05:24 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.90 (gnu/linux) X-Scanned-By: MIMEDefang 2.71 on 130.132.50.143 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Thu, 06 Oct 2011 11:07:02 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 1) X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:52286 Archived-At: "Jan D." writes: >> The right way to fix flickering in Emacs is to implement double >> buffering, which is not a trivial project. > > If we are aiming for a general solution across all ports this is true. > A pure X solution might be easier if we use the double buffer > extension. I took a brief look into this some time ago. The DBE module is pretty under-documented, and I wasn't able to find any code that uses it. GTK, for instance, does its own double-buffering rather than using DBE.