From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from conssluserg-02.nifty.com (conssluserg-02.nifty.com [210.131.2.81]) by sourceware.org (Postfix) with ESMTPS id 83F083857415 for ; Tue, 21 Jun 2022 09:45:14 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 83F083857415 Authentication-Results: sourceware.org; dmarc=fail (p=none dis=none) header.from=nifty.ne.jp Authentication-Results: sourceware.org; spf=fail smtp.mailfrom=nifty.ne.jp Received: from HP-Z230 (ak044095.dynamic.ppp.asahi-net.or.jp [119.150.44.95]) (authenticated) by conssluserg-02.nifty.com with ESMTP id 25L9iftO012952; Tue, 21 Jun 2022 18:44:41 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conssluserg-02.nifty.com 25L9iftO012952 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.ne.jp; s=dec2015msa; t=1655804681; bh=kfalwV88aciW4VcaiC2cKQhkQaKnJOWvEBqOEnyoB6I=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=yBNJ18xbP2oe53HaAesTFNQrq5mTTdQa06m8PgTDhgGyRlALfpp94ANKsEWrQaCBZ NCMYgxU8A9gbgSAYNB+hEMuoeYGRTU9p6imPdOP/wCHkOTa0AlQpEGkju5UdICVpNz 5Cca3oFQLKuxh/E9RgL8q++jQTPKxiUQBWY8TwBk3b906EmhR5k0j9baKB0DV2a4To h4G1DSEmXHxeN0tWUpkFYT2XQ4f/yP7Xu0Wip6jKBeyHm8WcfcQ10UIzth6z6UFyu6 h74NN/vTi/w7twmJkjunA0JOZuWPt8hlsRi+E1KBs/laMKMjU6XG48eTjkQ+CnYuNr MoGZQscgBrDEQ== X-Nifty-SrcIP: [119.150.44.95] Date: Tue, 21 Jun 2022 18:44:41 +0900 From: Takashi Yano To: cygwin@cygwin.com Cc: Tatsuro MATSUOKA Subject: Re: fltk does not work on cygwin version octave-6.4.0 Message-Id: <20220621184441.3cb63f4b7df9c1f68d114878@nifty.ne.jp> In-Reply-To: <1014671988.1220984.1655788512175.JavaMail.yahoo@mail.yahoo.co.jp> References: <1014671988.1220984.1655788512175.JavaMail.yahoo.ref@mail.yahoo.co.jp> <1014671988.1220984.1655788512175.JavaMail.yahoo@mail.yahoo.co.jp> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.30; i686-pc-mingw32) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, KAM_NUMSUBJECT, NICE_REPLY_A, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Jun 2022 09:45:17 -0000 On Tue, 21 Jun 2022 14:15:12 +0900 (JST) Tatsuro MATSUOKA wrote: > fltk does not work on cygwin version octave-6.4.0 > > octave:1> graphics_toolkit fltk > octave:2> plot(1:10); > Insufficient GL support > error: unable to plot due to insufficient OpenGL support > > plot windows flashes and disappear immediately I guess it depends on GPU. What GPU do you use? It almost works in my environment except for that it needs 'Reset Figure' to draw. Without 'Reset figure', the plot area is filled gray. My GPU is GeForce GTX 750 Ti. Did you try LIBGL_ALWAYS_SOFTWARE=1 ? -- Takashi Yano