a0645e3383
Previously the passthrough gs shader loaded some values with uniform loads using sevaral hardcoded values. This was not flexible for other drivers and started becoming too unflexible for zink itself. Use system values instead and use a lowering pass in zink. Acked-by: Faith Ekstrand <faith.ekstrand@collabora.com> Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22667>