I made this simple 3D to 2D Renderer last evening, it's pure pixel data manipulation basicly. Haven't gotten full RGBA colors working yet, having some problems with the red channel for some reason. Only supports rendering vertices as points or connecting them with lines, next step would be filling triangles with desired colors, or something like that.
Runs quite decently on my Raspberry PI, no idea what the performance would be on a real x-server on a real monitor instead of using a vnc server, probably slightly better.
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