FWIW, this gets me one CGLPixelFormatObject on my Mountain Lion system.
// if ( display == kCGNullDirectDisplay ) CGDirectDisplayID display = CGMainDisplayID(); attribs[2] = (CGLPixelFormatAttribute) CGDisplayIDToOpenGLDisplayMask(display); /* Build a full-screen GL context */ CGError error = CGLChoosePixelFormat( attribs, &pixelFormatObj, &numPixelFormats );
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