From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Robert Pluim Newsgroups: gmane.emacs.devel Subject: Re: MS Windows double buffering Date: Tue, 03 May 2022 10:23:24 +0200 Message-ID: <87y1zj81oj.fsf@gmail.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> <87v8urt3mk.fsf@yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="35906"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Eli Zaretskii , Ken Brown , emacs-devel@gnu.org To: Po Lu Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Tue May 03 10:59:09 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 1nloNB-0009DO-32 for ged-emacs-devel@m.gmane-mx.org; Tue, 03 May 2022 10:59:09 +0200 Original-Received: from localhost ([::1]:33302 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nloNA-0001ox-3n for ged-emacs-devel@m.gmane-mx.org; Tue, 03 May 2022 04:59:08 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:33154) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nlnof-0006kv-Ou for emacs-devel@gnu.org; Tue, 03 May 2022 04:23:30 -0400 Original-Received: from mail-wr1-x433.google.com ([2a00:1450:4864:20::433]:36658) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nlnoe-0001hs-7X; Tue, 03 May 2022 04:23:29 -0400 Original-Received: by mail-wr1-x433.google.com with SMTP id u3so22345893wrg.3; Tue, 03 May 2022 01:23:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:references:gmane-reply-to-list:date:in-reply-to :message-id:mime-version:content-transfer-encoding; bh=MaV5u8J20djrL2bWblXfKOUeflFMtAfBfzRV9+OC+R4=; b=MftHCJgGnq2OdLxdyeUsLemrNUkq/ra9SfiEue1XY1UuMuISuYsRxxDS6e2Gpmbsxh md4/SnIaAzlsL1yr7c2CPl7Dd5qaVNTb+CZ7aFM8ACBZyOTlPSusjFQ+5SPHPRz6Sb/m rHwSUSWPeHtgT4ShcEaglKql8QLt5K7J2KOuLOINjN7YMRCqKJ5uEEsos9Fsdqu/CnUC T/3FHtUwowhYk/AQWeAqTQGeC6aCzepKio8/Xjp1OitKYlErqTzvL6A03JRADDzb2YuN OMIvi9DHMSr5M6j4gcqt/tj8ny61srVSZ5ItGkNjSZUGdVM15wki/cnSba9TZUePOmNZ J44w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:references :gmane-reply-to-list:date:in-reply-to:message-id:mime-version :content-transfer-encoding; bh=MaV5u8J20djrL2bWblXfKOUeflFMtAfBfzRV9+OC+R4=; b=pislSkPVySR1tP9flVRx4ScZEmgOWonUBBUcHB+iMluCHQmfsrDfvdomMiFPoxc6pv P9QhoN4uaC+u6prwXTgnRWnwUuuR1LeFbhulubaEj0HAU7quEiUDPAeu6+DkOxrpq+dZ sv0tWIIKOWB/5huq/irLnIxZtLDqepZ7p7hu8eH7ryoeP1nmKTxn/AI5G7lNYOQ6WXaD tulSfv1dNAwIwxe599y9sr2RAi7i8P5WStHNBMB3fA5txSi66/qH0Iq2pPMswkVPZN01 ANPWOKo8SW3WwZA2aEmnSTD3xVKUjmzJLRQF/cmSkqolA3KzaKYZXYpHaOG0CzVhg9ip YSwg== X-Gm-Message-State: AOAM5323k2ce8mxjQeFb3Uzp5tmkAc9DJW9frslQ29HK3iJcsQGoHenW Qna1MGCUmuplPYQQ0vyqt1XaWGcsK0I= X-Google-Smtp-Source: ABdhPJzB3wwailLGXShQlE1xqSHOoH4/AZQPp716no4ZPpBxW+gm/o26E7lf/2tig1CW5M8fcn7fsA== X-Received: by 2002:a5d:64c7:0:b0:20c:5653:6035 with SMTP id f7-20020a5d64c7000000b0020c56536035mr10848770wri.256.1651566205400; Tue, 03 May 2022 01:23:25 -0700 (PDT) Original-Received: from rltb ([2a01:e0a:3f3:fb50:9f02:4e6e:d1e0:214d]) by smtp.gmail.com with ESMTPSA id w11-20020adf8bcb000000b0020c5253d8f0sm8733795wra.60.2022.05.03.01.23.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 May 2022 01:23:25 -0700 (PDT) Gmane-Reply-To-List: yes In-Reply-To: <87v8urt3mk.fsf@yahoo.com> (Po Lu's message of "Sat, 30 Apr 2022 15:46:43 +0800") Received-SPF: pass client-ip=2a00:1450:4864:20::433; envelope-from=rpluim@gmail.com; helo=mail-wr1-x433.google.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:289097 Archived-At: >>>>> On Sat, 30 Apr 2022 15:46:43 +0800, Po Lu said: >> Here and elsewhere in the modified code, I'd like to have all the >> changes that affect the no-double-buffering code to be conditioned on >> some variable exposed to Lisp. That way, if and when someone reports >> a problem that could be related to this feature, we could easily get >> back to exactly the old code as it was before the changeset, and see >> if the problem is indeed due to this change. For example, entering >> the critical section above is one such change. Po> Thanks. That's not something we do on X, but I will add such a Po> variable. For double-buffering it=CA=BCs a frame parameter called `inhibit-double-buffering', so you could just reuse that. Robert --=20