Hi Nathaniel, Nathaniel Virgo <nathanielvi...@gmail.com> writes: > I've just got PyCUDA installed on OS X 10.8. It wasn't so hard in the end - > the trick was to basically ignore the outdated instructions at > http://wiki.tiker.net/PyCuda/Installation/Mac (I will update that page once > I'm confident I've done everything correctly). Instead I just installed the > dependencies via MacPorts and then did > > python configure.py --cuda-root=/usr/local/cuda/ > # then edit siteconf.py to enable OpenGL > make > sudo make install > > The test_driver.py script says "20 passed, 1 skipped in 24.39 seconds" so I > guess it's working OK. (Though why does it skip one of the tests? Is there > some way to get it to tell me which one?) > > However, I'm unable to get the GLInterop example to work. Running it > produces the following output. (The ApplePersistenceIgnoreState is > irrelevant, it happens whenever I open any kind of window from Python.) > > $ python GlInterop.py > Hit ESC key to quit, 'a' to toggle animation, and 'e' to toggle cuda > 2013-09-11 14:36:53.321 Python[3027:f07] ApplePersistenceIgnoreState: > Existing state will not be touched. New state will be written to > /var/folders/0x/25_70mj17tb1ypm1c_js8jd40000gq/T/org.python.python.savedState > Traceback (most recent call last): > File "GlInterop.py", line 135, in display > process_image() > File "GlInterop.py", line 170, in process_image > glBindBufferARB(GL_PIXEL_PACK_BUFFER_ARB, long(source_pbo)) > NameError: global name 'GL_PIXEL_PACK_BUFFER_ARB' is not defined > > Do I have the wrong version of OpenGL, or is there something special I can > do to make GL_PIXEL_PACK_BUFFER_ARB work? I tried to find out where it is > defined, and what OpenGL version it's in, but I didn't have much luck. > > If I can't fix this, does it mean I can't use OpenGL interop at all, or is > the problem specific to this example? I will be using PyCUDA for > simulations, and I'd like to visualise the results using shared textures.
That symbol seems to be defined in the ARB_pixel_buffer_object. Whoever compiled your version of PyOpenGL doesn't seem to have included support for that extension. Where did you get your PyOpenGL? What version? Andreas
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