The bool will be used for deciding whether to do a per-sample load.
Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5930>
 
 bool
 pan_lower_framebuffer(nir_shader *shader, enum pipe_format *rt_fmts,
-                      bool lower_store, unsigned quirks)
+                      bool is_blend, unsigned quirks)
 {
         if (shader->info.stage != MESA_SHADER_FRAGMENT)
                return false;
                                 bool is_load = intr->intrinsic == nir_intrinsic_load_deref;
                                 bool is_store = intr->intrinsic == nir_intrinsic_store_deref;
 
-                                if (!(is_load || (is_store && lower_store)))
+                                if (!(is_load || (is_store && is_blend)))
                                         continue;
 
                                 nir_variable *var = nir_intrinsic_get_var(intr, 0);