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2018 Nov 12
1
Question on IPA on GM107
So I'm trying to track an special value in IPA instruction generation.
https://cgit.freedesktop.org/mesa/mesa/tree/src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp#L2561
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