I agree, there are many other pieces there. Perspective correct texture mapping is another big one, and above this all are shaders. I wanted to visualize the p

I agree, there are many other pieces there. Perspective correct texture mapping is another big one, and above this all are shaders. I wanted to visualize the part that is at the very base - the scanline Z-buffer rendering. The foundation of the pyramid of complications that is the mainline 3D rendering.