Mingw64 defaults to no leading underscores (this is quite new feature), make sure GTK+ libraries are compiled by mingw64 version built after this was done. If you use newer mingw64 and older GTK+ or vice versa - trouble ahead :-)
On Tue, Nov 2, 2010 at 9:03 AM, Mario M <maqueo.ma...@gmail.com> wrote: > Hello, I have Windows 7 64 bits and I am working on a GTK+ project that uses > OpenGL in C++. I am using GLADE and the normal version of GTK+ (not gtkmm). > > I was working on a laptop with Windows 7 32 bits and the program worked > fine, but the video card in that laptop was really bad (Intel, integrated) > so I switched to a desktop with 64 bit windows and a better video card > (Nvidia GT 240). > > The code compiles fine in both versions of windows, using the 32 bit version > of gtk. However, some horrible things have been happening: > > - The OpenGL window would not update correctly, taking a long time to do so, > seemingly at random times. I was using gtkglext for the OpenGL binding but > I found out this problem was caused by gtkglext not being updated (since > 2006) and the problem is with Aero in Windows, If desktop compositing was > disabled, it would work fine. I decided to ditch gtkglext and use OpenGL > directly, after a while I managed to and this problem was fixed. > > - Some colors were messed up with lighting enabled, at first I thought this > and the previous problem had to do with the video card, but this was weird > because the same program without gtk would work fine. However I managed to > correct it adding a few simple OpenGL instructions. I'm not sure why it > worked fine without GTK+, but it seems to work fine now with my fix. > > - I have a library for loading 3d models, in my laptop it worked fine, but > on the new computer (and another one where i tested it), the 3d models > render as a single horizontal :S, all of them. They are drawn using openGL > functions and storing the vertex positions in lists. I discovered this: When > I load an object in the main.cpp file, and draw it, it works fine, however, > when I load it in an external file, and draw it, it doesn't work ( I get > just a horizontal line, and again, without gtk+ it works fine). This has me > really perplexed, I think it might have something to do with the linker but > I have no idea how. I added some debugging and I think the problem is in the > vertex positions, I printed their x,y,z values and they seemed to have x > position in -1,0,1 and the y and z positions were values like 3.43e-039, I > think the pointers might be messed up but I don't know how to fix them :S. I > manually drew a triangle in the file that draws the 3d models, and the > triangle rendered fine. I > > I thought this might somehow have something to do with using a 32 bit > version of gtk+, do you think that is the case? > I downloaded the 64 bit binaries, and tried to compile my code, but the > linker didn't find any function! As soon as I changed the library location > to point to the 64 bit version, I got a load of "undefined reference"s for > everything concerning gtk+, even if I manually added the libraries in the > project configuration of my IDE it would say the same. > > I am using Code::Blocks as an IDE and MingW as the compiler. > > Do I need to change additional configuration to use the 64 bit version of > gtk+? Please help me, I haven't slept in two days trying to solve this and I > am still confused. I downloaded the latest 64 bit version and then an older > one to see if it was broken, but the results were the same. > > Or is the problem not related to the 64 bit thing? Any ideas/thoughts are > welcome. > > Thanks in advance for your time. > > Mario Maqueo > _______________________________________________ > gtk-app-devel-list mailing list > gtk-app-devel-list@gnome.org > http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list > -- Jaroslav Šmíd _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org http://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
