From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#30699: 26.0.91; buffer contents flicker on macOS frames when frames are resized Date: Mon, 05 Mar 2018 20:00:07 +0200 Message-ID: <83tvtus8rc.fsf@gnu.org> References: <20180304202736.GA1479@breton.holly.idiocy.org> <20180304213404.GB1479@breton.holly.idiocy.org> <83d10jtd5m.fsf@gnu.org> <834llutstx.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1520272775 29734 195.159.176.226 (5 Mar 2018 17:59:35 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 5 Mar 2018 17:59:35 +0000 (UTC) Cc: alan@idiocy.org, 30699@debbugs.gnu.org To: Aaron Jensen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Mar 05 18:59:30 2018 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1esuOP-0006Cn-7x for geb-bug-gnu-emacs@m.gmane.org; Mon, 05 Mar 2018 18:59:21 +0100 Original-Received: from localhost ([::1]:50767 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1esuQR-0001AA-IX for geb-bug-gnu-emacs@m.gmane.org; Mon, 05 Mar 2018 13:01:27 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:57891) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1esuQ6-00012g-Pj for bug-gnu-emacs@gnu.org; Mon, 05 Mar 2018 13:01:13 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1esuQ2-0002Yh-V5 for bug-gnu-emacs@gnu.org; Mon, 05 Mar 2018 13:01:06 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:38269) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1esuQ2-0002Y8-RI for bug-gnu-emacs@gnu.org; Mon, 05 Mar 2018 13:01:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1esuQ2-0005aW-Gm for bug-gnu-emacs@gnu.org; Mon, 05 Mar 2018 13:01:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 05 Mar 2018 18:01:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 30699 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 30699-submit@debbugs.gnu.org id=B30699.152027283321434 (code B ref 30699); Mon, 05 Mar 2018 18:01:02 +0000 Original-Received: (at 30699) by debbugs.gnu.org; 5 Mar 2018 18:00:33 +0000 Original-Received: from localhost ([127.0.0.1]:46166 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1esuPY-0005Ze-NB for submit@debbugs.gnu.org; Mon, 05 Mar 2018 13:00:32 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:38487) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1esuPV-0005ZR-J7 for 30699@debbugs.gnu.org; Mon, 05 Mar 2018 13:00:29 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1esuPM-0002PK-In for 30699@debbugs.gnu.org; Mon, 05 Mar 2018 13:00:24 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:58201) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1esuPM-0002PG-Et; Mon, 05 Mar 2018 13:00:20 -0500 Original-Received: from [176.228.60.248] (port=4706 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1esuPL-0007wx-Fq; Mon, 05 Mar 2018 13:00:20 -0500 In-reply-to: (message from Aaron Jensen on Mon, 5 Mar 2018 08:21:45 -0800) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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" Xref: news.gmane.org gmane.emacs.bugs:143929 Archived-At: > From: Aaron Jensen > Date: Mon, 5 Mar 2018 08:21:45 -0800 > Cc: Alan Third , 30699@debbugs.gnu.org > > > AFAIK, no. Redrawing a garbaged frame involves clearing it and > > completely redrawing all of its windows, and that is what you perceive > > as flicker. > > Thanks, I was thinking about double buffering--painting both the clear > and the next paint on the same buffer before swapping it in, but I'm > sure that's much more simplistic than what is actually happening. We already have double-buffering on X, perhaps it can be implemented on macOS as well.