Eric Anholt
8c1c218909
We can remove a bunch of conditional code at key comparison time by computing a bitmask of used key bits at ir3_shader creation time. This also gives us a nice place to put additional key simplification to reduce how many variants we create (like skipping rastflat if we don't read colors in the FS, or skipping vclamp_color if we don't write colors). It does mean walking the whole key to AND it, but the key is just 28 bytes so far so that seems pretty fine. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4562>
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