Oops, that was osgtexture2D, not 3D. Sorry for my and iPhone's typo. :-p Let's pass the ball among us a bit more.
Enclosed is a Fix-it-for-Mac-with-GeForce-7300GT-only kinda patch for OpenSceneGraph/src/osg/Texture.cpp. This is just to disable hardware mipmapping when Renderer is "NVIDIA GeForce 7300 GT OpenGL Engine." A better way is to use OSG_GL_EXTENSION_DISABLE for disabling hardware mipmapping but it doesn't work in this case, so this patch can be a very easy workaround for this issue. Plus, I don't think the environment variable driven GL extension disabling works as expected at all, so it should be also fixed. Tat >>> >> I had a chance to test this issue on an iMac with GeForce 7300GT. >> osgtexture3D works fine on zooming in and out. No segtault happens. > > I was talking about osgtexture2D not 3D. The former specifically does > mipmapping, the latter doesn't. > If you managed to reproduce the crash with the osgtexture2D we could > pass the ball to the osg folks :)
osgNVIDIA-fix.diff
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