[PyOpenGL-Users] Multisampling for antialiasing inside OpenGL.Tk.Opengl

[Robin F. <rob...@gm...>]

I'd like to get multisampling working in my current 3D project. It is 
currently based on the Opengl class found in the OpenGL.Tk module.

I have hunted round in the PyOpenGL modules, and found likely looking 
modules under OpenGL.GL.ARB.multisample and OpenGL.WGL.ARB.multisample. 
I have got to the stage where I can call either glInitMultisampleARB() 
or wglInitMultisampleARB() and get a return value of 1, and the string 
'GL_ARB_multisample' appears in the GL_EXTENSIONS string returned from 
glGetString().

I understand that it is not as simple as just calling 
glEnable(GL_MULTISAMPLE_ARB), and that I need to set up the correct 
pixelformats first? I am unsure where and how I should do this since up 
until now I have just used the Tk Opengl widget.

Where is it all going wrong? I can see several possibilities:
1. My OpenGL implementation is as far as I know the bog standard 
microsoft 1.1 version - do I need to update this or can I get at the ARB 
routines for my hardware through the extensions?
2. Is the Tk widget (based on Togl I think) incapable of handling 
extensions? If so, then how else can I get an OpenGL canvas to draw on 
and yet still surround it with Tk buttons and so on?
3. I just need to setup pixel formats correctly somewhere in what I have 
got so far.

Any help on where to start would be much appreciated.