So I'm trying to track an special value in IPA instruction generation.
Register on 0x14 (20) is set to some source on "insn->op == OP_PINTERP"
I have found while emulation that such value can be set sometimes to FragCoord.w, I don't however know what that value is and how to represent it on glsl. Do you guys know where does that value come from and what it means?
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