isl: Drop compile time "use separate stencil" checks.
This code is a lot of mess for no real benefit. It's existed since
the dawn of isl, and serves to let you optimize out a single check
in release builds for Ironlake and Sandybridge systems. All other
uses are for asserts, which already get compiled out in release mode.
Reviewed-by: Dylan Baker <dylan.c.baker@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33764>
5 files changed
