From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Issues with partial repainting when enabling cairo Date: Fri, 27 Jan 2017 17:35:31 +0200 Message-ID: <834m0k1poc.fsf@gnu.org> References: <87bmus8scp.fsf@wavexx.thregr.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1485533646 23830 195.159.176.226 (27 Jan 2017 16:14:06 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 27 Jan 2017 16:14:06 +0000 (UTC) Cc: emacs-devel@gnu.org To: Yuri D'Elia Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Jan 27 17:13:57 2017 Return-path: Envelope-to: ged-emacs-devel@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 1cX99x-0005Ra-Fp for ged-emacs-devel@m.gmane.org; Fri, 27 Jan 2017 17:13:57 +0100 Original-Received: from localhost ([::1]:46504 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cX9A2-00007Y-Nu for ged-emacs-devel@m.gmane.org; Fri, 27 Jan 2017 11:14:02 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:60514) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cX8Z4-0004AP-LN for emacs-devel@gnu.org; Fri, 27 Jan 2017 10:35:51 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cX8Z1-0006PV-JR for emacs-devel@gnu.org; Fri, 27 Jan 2017 10:35:50 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:48435) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cX8Z1-0006PR-GJ; Fri, 27 Jan 2017 10:35:47 -0500 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:4360 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1cX8Z0-0000Oe-6H; Fri, 27 Jan 2017 10:35:47 -0500 In-reply-to: <87bmus8scp.fsf@wavexx.thregr.org> (message from Yuri D'Elia on Fri, 27 Jan 2017 15:55:50 +0100) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:211645 Archived-At: > From: Yuri D'Elia > Date: Fri, 27 Jan 2017 15:55:50 +0100 > > I briefly tested a build from master with lucid+cairo enabled on X11. > How experimental is "experimental" supposed to be? ;) > > It seems that some areas of the frame are not repainted correctly. > > For instance, scrolling by pages does not refresh the top (or bottom) > lines at all. More properly, it seems to be a fixed area at the > top/bottom - not really related to visual lines. > > Maybe related to 'scroll-margin? > > There are some bug reports about cairo on the bts, but nothing so > glaring. Glaring display bugs are the main problem with Cairo, AFAIK. We need motivated individuals who'd work on debugging and fixing those problems. TIA