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[2003:cc:9f0e:e00a:7c54:26f9:b771:ecc8]) by smtp.gmail.com with ESMTPSA id y4-20020aa7ccc4000000b004316f94ec4esm15717613edt.66.2022.06.22.12.33.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 22 Jun 2022 12:33:18 -0700 (PDT) Message-ID: Date: Wed, 22 Jun 2022 21:33:17 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: fltk does not work on cygwin version octave-6.4.0 Content-Language: it To: Tatsuro MATSUOKA , "cygwin@cygwin.com" References: <1014671988.1220984.1655788512175.JavaMail.yahoo.ref@mail.yahoo.co.jp> <1014671988.1220984.1655788512175.JavaMail.yahoo@mail.yahoo.co.jp> <81651211.1249414.1655862584330.JavaMail.yahoo@mail.yahoo.co.jp> <2116433689.1269468.1655870000849.JavaMail.yahoo@mail.yahoo.co.jp> <1829041618.1259316.1655894266818.JavaMail.yahoo@mail.yahoo.co.jp> From: Marco Atzeri In-Reply-To: <1829041618.1259316.1655894266818.JavaMail.yahoo@mail.yahoo.co.jp> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, 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: Wed, 22 Jun 2022 19:33:21 -0000 On 22.06.2022 12:37, Tatsuro MATSUOKA wrote: >> ----- Original Message ----- >> From: "Tatsuro MATSUOKA" >> To: "Marco Atzeri"; "cygwin >> Date: 2022/06/22 水 12:53 >> Subject: Re: fltk does not work on cygwin version octave-6.4.0 >>>> ----- Original Message ----- >>>> From: "Marco Atzeri" >>>> To: "cygwin >>>> Date: 2022/06/22 水 02:06 >>>> Subject: Re: fltk does not work on cygwin version octave-6.4.0 >>>> On 21.06.2022 07:15, 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 >>>>> >>>>> fltk graphics_toolkit works octave on native windows. > Is the below related to the issue? > >>> __opengl_info__ > warning: __opengl_info__: can not obtain OpenGL information > warning: called from > __opengl_info__ at line 69 column 5 > > Similar behaviors happen qt graphics on octave-7.1.0 on native Windows. > > Tatsuro > Maybe. On my PC $ octave octave:1> __opengl_info__ version: 4.5.0 - Build 22.20.16.4815 vendor: Intel renderer: Intel(R) UHD Graphics 620 extensions: GL_3DFX_texture_compression_FXT1 ..... Similar to the X log glWinSelectGLimplementation: Loaded 'cygnativeGLthunk.dll' (II) AIGLX: Testing pixelFormatIndex 1 GL_VERSION: 4.5.0 - Build 22.20.16.4815 GL_VENDOR: Intel GL_RENDERER: Intel(R) UHD Graphics 620 (II) GLX: enabled GLX_SGI_make_current_read ... You can test the GL behaviour with $ cygcheck -l mesa-demos | grep bin /usr/bin/eglinfo /usr/bin/es2_info /usr/bin/glinfo /usr/bin/glxgears /usr/bin/glxinfo /usr/bin/wglgears /usr/bin/wglinfo /usr/bin/xeglgears .. Regards Marco