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Editorial Team
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Asked: 2026-06-08T06:13:55+00:00

I’m following the GLUT tutorial here . I copy and pasted the first example

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I’m following the GLUT tutorial here. I copy and pasted the first example “YAT” into xcode, slightly modified the includes and found that a blank window is brought up. Unmodified the code is set to display a wireframe teapot. For me, this does not happen.

However, if I uncomment the creation of a wire taurus, part of a taurus and the teapot appear in the window. There are also seemingly random combinations of uncommenting and commenting lines under //draw something in the code that will actually cause objects to appear… or just a blank screen.

P.S. I know everyone says not to use GLUT but the graphics I will need for my final demo are very basic and everything else I’ve looked at has felt over my head.

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1 Answer

  1. Editorial Team

    I copy and pasted the first example “YAT” into xcode

    The problem with this example is, that it doesn’t request a double buffer, which however doesn’t roll very well with MacOS X. It can be done, but there’s no sense in actually doing it.

    Replace GLUT_SINGLE with GLUT_DOUBLE in the glutInitDisplayMode flags, i.e.

    glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE);

    and add a glutSwapBuffers() at the end of the display function.

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