From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu Newsgroups: gmane.emacs.devel Subject: Re: MS Windows double buffering Date: Sun, 01 May 2022 08:35:02 +0800 Message-ID: <87a6c2rsy1.fsf@yahoo.com> References: <877d791thh.fsf.ref@yahoo.com> <877d791thh.fsf@yahoo.com> <83ilqtbl3p.fsf@gnu.org> <87sfpxz8a7.fsf@yahoo.com> <87mtg4zhlg.fsf@yahoo.com> <87mtg3unzu.fsf@yahoo.com> <835ymr9i9v.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="21834"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) Cc: Eli Zaretskii , emacs-devel@gnu.org To: Ken Brown Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun May 01 02:37:26 2022 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nkxaX-0005Od-GE for ged-emacs-devel@m.gmane-mx.org; Sun, 01 May 2022 02:37:25 +0200 Original-Received: from localhost ([::1]:42032 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nkxaV-0003uV-GW for ged-emacs-devel@m.gmane-mx.org; Sat, 30 Apr 2022 20:37:23 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:46752) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkxYS-00037f-52 for emacs-devel@gnu.org; Sat, 30 Apr 2022 20:35:16 -0400 Original-Received: from sonic312-25.consmr.mail.ne1.yahoo.com ([66.163.191.206]:42091) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nkxYQ-0003Bw-Jp for emacs-devel@gnu.org; Sat, 30 Apr 2022 20:35:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1651365311; bh=tVbN98AVNVXiy7se0BGZXmcSzx+ARoNZPaRWRhKeof4=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From:Subject:Reply-To; b=rBwfEvn2koTKN5aamHej6LL7I/oxnl01se/NsePKHLex5xysvaMj8UEJiP4wBNmabJzPrEMVPv8ia7QnNxNsVQ5tSGf9EwtftLNCPu8zu4M7cIHtMDQ6ZFggp/TQPkFtDgxxkZgBQXrGvXGTXV6bhRcKPMSg4SaglqNdHDEYjA3VCKEHz+DaaOmIWYEOPiz+8Q4b0wP49lCS4ItakMHAilvJ2klHhgJ6HbviWjl25N+JgiHM+4tOSPJeF8soXH9w789mdEgwGmvOdhnjB9tHbhrIg9BzMcWOVt/TGju/U/Sv8tEa6h01EO/knlee8GWA+1zY2yokleFd/ZYthaA8FQ== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1651365311; bh=vqeGsmNiaK/13uUJ03QQUG1FGhlEIHMFCNRiDw0BRJ5=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=Y17GXKoZNzVc9KJbtv7Pv+kxsABluELojJneCYyYHi/xgWBm8DijmdtcrCEpFAMIiMUFJZ5tUcErl+Ej0Q4ssFoo1BOhOMBqDq9LC3nkkwZ1Sv3kDKBdYBefu7vGfBAqmy6Z1vxgPJPoIoS4q9yPLwXUoyK3AEm5IpIqywSX5yo2FGccLidL2wl+fDRBAVDO95DCwG6lxxut5VNn7dtbvj0NzHxlTjTYSXSJQ5hVRmS5Hf0NwQvuU7wDVV+AQo/JLJt1gKwPUWN/8Unem/jaPIr/zTrhgcaSJWWkFkxE6OI7wydW131bWPPrXmCKwe09Y/TMskBQxYXHD353jg1cZA== X-YMail-OSG: C51FwWsVM1kARZGX3LJI8V_KDUvQZSUYwaf70fOH15ZZANTy_L6uoYCaHmeqcaP bKd7XCwmcfnhHtTjHj3jtFtkYZka0IzgsGb2OeqAHt7tIlfl8rssleD4LFuxbxhOvD6sTdSmteAh zHCD2NAKm1NBrKpi7vkljKQp3gpV2cWnH_n20WEbtmYAgC.AaIV6SKpT7lHxeA1o2aXJ3MUIulFu fQ4S9vLbJXHHiWos7fXJ2gpRhnqdqNz.CAPnpIFBpo0cQPG6VsSZ6YfEoKfmQQSmCU5FLCVfmsiF kEMzRGscXZkmobBkL5hZoHmmcfhf5A3rfJOXmq0HBwH9mJQQ2GGjsez3ZlxUXR5O5dATKbPMKA34 OlrbWOqPneR6CzZ83SovvLS5D1kwelXL24wE7F3zRmPpdj.HH_yTwmzm.0dbbFtx1xPQLBh9.nZc 9i.jmDwP3WT86hAN0W3sQrDQU9H.O.kRxL.al49aK0ecBuC4x9kzEp_0lTxiVrYvLLicMVzsitMf 2ScqF9vDjwF2zxKabREGu_2RN5wd.mi3hknI4ADY0j7AcQgP_RQHaAeZ6DSx9w4bZV3XTHlKlgSh YY9s5k3SSBNKudCHWyInhMtLhYYByV53NLHCzFJ9Q.S6M_zNKnfHX5DP1hkR0mTJvQqu88XoeWFc 0WMGsi0izjWk57RopfCj0eRDzMk8pWCQoPH.clEvJkHgl6diWUtUM9KGH3XbFV9HcKFrHaAWCWFp Q26zPp8_RVCE6Kf5F..gbmiXzq2jMw9Pn5X5qxmBa0ZwEvHwslNwHODIWaQ6UAwY1BV0ZijNvkBz _4UFzhBeI8.X2mkj83TDmc1RzVrC8LepdXdwxPJ8HQ X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic312.consmr.mail.ne1.yahoo.com with HTTP; Sun, 1 May 2022 00:35:11 +0000 Original-Received: by hermes--canary-production-sg3-795d7b4d54-g7crf (Yahoo Inc. Hermes SMTP Server) with ESMTPA ID e09431b81c02f7fef59918d03676e91d; Sun, 01 May 2022 00:35:06 +0000 (UTC) In-Reply-To: (Ken Brown's message of "Sat, 30 Apr 2022 13:34:32 -0400") X-Mailer: WebService/1.1.20118 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.191.206; envelope-from=luangruo@yahoo.com; helo=sonic312-25.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:289069 Archived-At: Ken Brown writes: > I just built the Cygwin w32 build from git commit 0ea0aa255 and evaluated > > (while t (redraw-display) (redisplay)) > > I saw some flicker in the menu bar but nowhere else. I tried the same > thing in a Cygwin w32 build of emacs-28.1, and there was severe > flickering throughout the frame. So there's a noticeable improvement. > > I'll keep testing over the next few days and let you know if I see any problems. Thanks.