Because qt developers pay close attention to support opengl than gtk developers. Qt has been providing support for integration with OpenGL implementations on all platforms. However if without tdz's hacks for gtkglext, i do not know when gtk 3 can support opengl.
2014-02-11 3:19 GMT+08:00 Norman Goldstein <[email protected]>: > To bring the list readers up to date, I was helped by Li Yanrui, and was > able to build GtkGlExt wiith GTK3, with some differences, as noted below, > from the GTK2 build. However, I still am unsure whether to expect > *GtkGlExtMM* to work with GTK3. Any comments on this? > > With regards to OpenGL working smoothly with GTKExt, I am quite satisfied, > as both approaches: > > -- gWindow->begin()..... glWikndow->close(), and > -- glWindow->make_current() > > work well in GTKExt, and, as far as I know, place no restrictions on the > OpenGL programmer. > So, I am curious to know in what respects Qt offers a better GTK > experience for OpenGL programmers, as compared to simply a difference in Qt > <--> GTK style of programming. > > Thank you for the responses. > > > > -------- Original Message -------- Subject: Re: [GtkGLExt] GtkGlExt & > GTK3 Date: Mon, 10 Feb 2014 15:54:50 +0800 From: Li Yanrui (李延瑞) > <[email protected]> <[email protected]> To: Norman Goldstein > <[email protected]> <[email protected]> > > Sorry, i do not know the things of gtkglextmm. If i want to use c++, i > will think qt + opengl. In fact i am hard to bear gtk+ with opengl :) > > > 2014-02-10 12:14 GMT+08:00 Norman Goldstein <[email protected]>: > >> Thanks, my mistake. I used the wrong git repository. >> >> One difference from the official install, is that you must do the >> configure in the gtkglext folder. it does not work to create, and work in, >> a separate "build" folder. Two mistakes occur if you try: >> -- gdk/Makefile.in does not get created >> -- the GOBJECT_INTROSPECTION_CHECK fails. >> >> The build worked! >> >> Do you know if *GtkGlExtMM* works with this version 3? >> >> >> >> >> >> >> On 02/09/2014 06:00 PM, Li Yanrui (李延瑞) wrote: >> >> Tdz's gtkglext supports gtk 3 so you can try it.. The official gtkglext >> has been obsolete for a number of years. >> >> >> >> 2014-02-09 2:37 GMT+08:00 Norman Goldstein <[email protected]>: >> >>> Thanks for the pointer. Compile error as shown, below. Currently, I >>> am successfully working with GtkGlExtMM and GTK2, so if GTK3 support is >>> still "in the works", maybe it is not worth spending time on my GTK3 >>> problem -- unless I am able to help to expedite getting GTKGlExtMM working >>> with GTK3. What do you think? >>> >>> So, the above being said, here is what I have done: >>> (I am on fedora19, 32 bit, x86) >>> >>> git clone git://git.gnome.org/gtkglext >>> >>> cd gtkglext >>> ./bootstrap >>> >>> mkdir build >>> cd build >>> ../configure CPPFLAGS=-I/usr/include/nvidia >>> make >>> >>> Here is the first error: >>> >>> gcc -DHAVE_CONFIG_H -I. -I../../../gdk/x11 -I../.. >>> -DG_LOG_DOMAIN=\"GdkGLExt\" -DGDK_GL_COMPILATION -DINSIDE_GDK_GL_X11 >>> -I../../.. -I../../../gdk -I../../gdk -DG_DISABLE_CAST_CHECKS -pthread >>> -I/usr/include/gtk-3.0 -I/usr/include/atk-1.0 >>> -I/usr/include/at-spi2-atk/2.0 -I/usr/include/pango-1.0 >>> -I/usr/include/gio-unix-2.0/ -I/usr/include/cairo >>> -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/glib-2.0 >>> -I/usr/lib/glib-2.0/include -I/usr/include/harfbuzz >>> -I/usr/include/freetype2 -I/usr/include/pixman-1 -I/usr/include/libpng15 >>> -I/usr/include/libdrm -pthread -I/usr/include/nvidia -g -O2 -MT >>> gdkglquery-x11.lo -MD -MP -MF .deps/gdkglquery-x11.Tpo -c >>> ../../../gdk/x11/gdkglquery-x11.c -fPIC -DPIC -o .libs/gdkglquery-x11.o >>> In file included from ../../../gdk/x11/gdkglglxext.h:34:0, >>> from ../../../gdk/x11/gdkglx.h:30, >>> from ../../../gdk/x11/gdkglquery-x11.c:31: >>> ../../../gdk/gdkglconfig.h:103:1: error: unknown type name 'GdkColormap' >>> GdkColormap *gdk_gl_config_get_colormap (GdkGLConfig >>> *glconfig); >>> ^ >>> >>> >>> >>> >>> On 02/08/2014 01:10 AM, Li Yanrui (李延瑞) wrote: >>> >>> hi, please see https://github.com/tdz/gtkglext.git/ >>> >>> >>> 2014-02-07 16:30 GMT+08:00 Norman Goldstein <[email protected]>: >>> >>>> The net has conflicting information on the status of using GtkGlkExt >>>> with GTK3. >>>> What is the latest scoop, please? >>>> >>>> Thank you >>>> >>>> >>>> _______________________________________________ >>>> gtkglext-list mailing list >>>> [email protected] >>>> https://mail.gnome.org/mailman/listinfo/gtkglext-list >>>> >>>> >>> >>> >>> -- >>> Best regards, >>> >>> Li Yanrui (李延瑞) >>> >>> >>> >> >> >> -- >> Best regards, >> >> Li Yanrui (李延瑞) >> >> >> > > > -- > Best regards, > > Li Yanrui (李延瑞) > > > > _______________________________________________ > gtkglext-list mailing list > [email protected] > https://mail.gnome.org/mailman/listinfo/gtkglext-list > > -- Best regards, Li Yanrui (李延瑞)
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