i965/fs: Fix ir_txs in emit_texture_gen4_simd16().
We were not emitting the LOD, which led to message lengths of 1 instead of 3. Setting has_lod makes us emit the LOD, but I had to make changes to avoid emitting the non-existent coordinate as well. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91022 Cc: mesa-stable@lists.freedesktop.org Signed-off-by:Kenneth Graunke <kenneth@whitecape.org> Reviewed-by:
Jordan Justen <jordan.l.justen@intel.com> (cherry picked from commit 35d83793)