From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30136 invoked by alias); 17 Jun 2013 06:48:44 -0000 Mailing-List: contact cygwin-xfree-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-xfree-owner@cygwin.com Reply-To: cygwin-xfree@cygwin.com Mail-Followup-To: cygwin-xfree@cygwin.com Received: (qmail 30068 invoked by uid 89); 17 Jun 2013 06:48:37 -0000 X-Spam-SWARE-Status: No, score=-3.9 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,KHOP_THREADED,RCVD_IN_DNSWL_LOW,RCVD_IN_HOSTKARMA_YE,SPF_PASS autolearn=ham version=3.3.1 Received: from mail-ie0-f180.google.com (HELO mail-ie0-f180.google.com) (209.85.223.180) by sourceware.org (qpsmtpd/0.84/v0.84-167-ge50287c) with ESMTP; Mon, 17 Jun 2013 06:48:36 +0000 Received: by mail-ie0-f180.google.com with SMTP id f4so6147474iea.11 for ; Sun, 16 Jun 2013 23:48:35 -0700 (PDT) X-Received: by 10.50.176.228 with SMTP id cl4mr4098295igc.7.1371451715165; Sun, 16 Jun 2013 23:48:35 -0700 (PDT) Received: from [172.21.193.103] (85-18-126-22.ip.fastwebnet.it. [85.18.126.22]) by mx.google.com with ESMTPSA id ie16sm15916180igb.4.2013.06.16.23.48.33 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sun, 16 Jun 2013 23:48:34 -0700 (PDT) Message-ID: <51BEB13E.9090907@gmail.com> Date: Mon, 17 Jun 2013 06:48:00 -0000 From: marco atzeri User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130509 Thunderbird/17.0.6 MIME-Version: 1.0 To: cygwin-xfree Subject: Re: fltk / gl rendering problem References: <51BDCFCE.3060608@gmail.com> <51BDD0DB.1040807@gmail.com> In-Reply-To: <51BDD0DB.1040807@gmail.com> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-SW-Source: 2013-06/txt/msg00037.txt.bz2 Il 6/16/2013 4:51 PM, marco atzeri ha scritto: > > > Hi, > testing a octave/fltk graphics issue, I noticed that also the > demo of fltk with GL interface has a similar issue. > > On http://matzeri.altervista.org/works/fltk_gl/ > I uploaded the before and after apperance of "gl_overlay" demo. > > It is enough to move the window to loose the geometrical > image while the bars are correctly re-drawn. > > Running Xwin with -wgl does not show such defect, but it is > terribly slow. So I assume it is not a fltk defect but of > GL or XServer. > > A copy of gl_overlay from fltk-1.3.1.9857-1 build is also uploaded. > > > Regards > Marco > further experiment showed that the defect is present when the integrate windows manager is used. With external window manager (fvwm, openbox,.. ) that defect does not apper. With external window manager another defect appears, the upper bar effect is not shown at all; while it is present on the integrated window manager. Regards Marco -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://x.cygwin.com/docs/ FAQ: http://x.cygwin.com/docs/faq/