And, I'll stop spamming after this, finally got it working with the same awful video card on FF on Windows. I upgraded my video card and that still didn't work,

And, I'll stop spamming after this, finally got it working with the same awful video card on FF on Windows. I upgraded my video card and that still didn't work, but I told it to force WebGL in the about:config. Apparently just that setting was enough. Again, hope that helps someone.