if you allocate a 3d texture on gpu but never upload data into it, and then treat this unallocated texture as a volume and raymarch into it, you get some interesting results
the guy making it streams on twitch under the name xra_ ; definitely it's really cool looking
if you run it twice in a row, it'll be mostly the same, but if you use your computer for other stuff for a while and then run it, it'll be different (because your GPU was using that memory in the meantime)
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