ZeroPrint GPU probe suite v1

One page for everything the canvas model needs to learn about a GPU: shader arithmetic, hardware function tables, the texture filter, the rasterizer's interpolation, and the small-caps font check. Run it in the target's Chrome exactly as configured for daily use, wait for "Capture complete", save the single .bin.gz into UNIVERSAL_CANVAS/incoming/<machine>/ and run harness/a2/gpu/decode-suite.py on it. Takes a few minutes and produces roughly 100 MB.

Running…