From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#38807: [Feature request]: Support lisp workers like web workers. Date: Wed, 01 Jan 2020 18:23:29 +0200 Message-ID: <83png3jgce.fsf@gnu.org> References: <83o8vpn8g1.fsf@gnu.org> <87mub9u0ld.fsf@gmx.de> <831rslmxih.fsf@gnu.org> Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="161290"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 38807@debbugs.gnu.org, michael.albinus@gmx.de, arthur.miller@live.com To: HaiJun Zhang Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Jan 01 17:24:10 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1imgn3-000foM-Hc for geb-bug-gnu-emacs@m.gmane.org; Wed, 01 Jan 2020 17:24:09 +0100 Original-Received: from localhost ([::1]:59740 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1imgn2-0006KC-Ei for geb-bug-gnu-emacs@m.gmane.org; Wed, 01 Jan 2020 11:24:08 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:46780) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1imgmw-0006K6-Rr for bug-gnu-emacs@gnu.org; Wed, 01 Jan 2020 11:24:03 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1imgmv-0000n7-Qn for bug-gnu-emacs@gnu.org; Wed, 01 Jan 2020 11:24:02 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:59710) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1imgmv-0000mc-Mn for bug-gnu-emacs@gnu.org; Wed, 01 Jan 2020 11:24:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1imgmv-0001qG-Jg for bug-gnu-emacs@gnu.org; Wed, 01 Jan 2020 11:24:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 01 Jan 2020 16:24:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 38807 X-GNU-PR-Package: emacs Original-Received: via spool by 38807-submit@debbugs.gnu.org id=B38807.15778958037027 (code B ref 38807); Wed, 01 Jan 2020 16:24:01 +0000 Original-Received: (at 38807) by debbugs.gnu.org; 1 Jan 2020 16:23:23 +0000 Original-Received: from localhost ([127.0.0.1]:37450 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1imgmJ-0001pH-H8 for submit@debbugs.gnu.org; Wed, 01 Jan 2020 11:23:23 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:36801) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1imgmH-0001p1-9H for 38807@debbugs.gnu.org; Wed, 01 Jan 2020 11:23:22 -0500 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:38040) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1imgmB-0007SM-MB; Wed, 01 Jan 2020 11:23:15 -0500 Original-Received: from [176.228.60.248] (port=4457 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1imgmB-0000Vc-1D; Wed, 01 Jan 2020 11:23:15 -0500 In-reply-to: (message from HaiJun Zhang on Wed, 1 Jan 2020 11:47:49 +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: 209.51.188.43 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:174044 Archived-At: > Date: Wed, 1 Jan 2020 11:47:49 +0800 > From: HaiJun Zhang > Cc: "38807@debbugs.gnu.org" <38807@debbugs.gnu.org> > > My understanding of the display flow: > 1. an event comes which causes redisplay More often than not, it is not an event, but a command that changes Lisp data (buffer text, overlays, text properties, position of point, new or deleted windows, etc.). > 2. the display engine prepares the glyph matrix > 3. convert the glyph matrix to bitmap and display it > > I think lots of work are in 2. Actually, 3 is also a lot of work.