On 05/31/2016 08:11 PM, jp charras wrote: > Thanks, Orson. > > This version fixes the crash on my W7, 32 bits. > > I am now trying to compile in debug mode, but I have an undefined symbol: > E:/kicad-launchpad/essais/opengl_ctx_fix/include/xnode.h:53: undefined > reference to `vtable for XNODE' > > Unfortunately, especially on Windows, compiling Kicad in Debug mode takes a > while.
It seems strange, XNODE is not even far related to my changes. Perhaps there is something wrong with the build, can you start from scratch or remove <build_dir>/common/CMakeFiles/common.dir/xnode.cpp.o and restart? I have also checked wxWidgets examples, and cube is the only example that deletes OpenGL context in WxApp::OnExit(). The others derive a class from wxGLCanvas and delete the OpenGL context in its destructor, as we did previously. It seems the right thing to do, as e.g. 3D viewer creates a context every time its window is opened, so it should be deleted when closed to avoid memory leaks. I have added a few more changes to the previously mentioned Github branch, including OpenGL context destruction when a GL window is closed. I also had a few crashes on Windows that are now fixed, perhaps the previous problem is now fixed as well. Would you check it, please? If there are no more problems, I would like to merge the branch by the end of this week. Regards, Orson
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