Connor Abbott
79368ab302
NIR if statements only take one component, but TGSI registers are vec4.
We're supposed to compare the x component, per
https://docs.mesa3d.org/gallium/tgsi.html#opcode-IF.
Fixes: f103bded ("ttn: Use nir control flow insertion helpers")
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Tested-by: Leo Liu <leo.liu@amd.com>
Closes: #3585
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6956>
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