i965/miptree: Allow get_aux_isl_surf when there is no aux surface

Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
2016-07-19 16:25:50 -07:00
parent dd46c8da31
commit 67ea60db0b
1 changed files with 2 additions and 1 deletions
@@ -3187,7 +3187,8 @@ intel_miptree_get_aux_isl_surf(struct brw_context *brw,
   } else if (mt->fast_clear_state != INTEL_FAST_CLEAR_STATE_NO_MCS) {
      *usage = ISL_AUX_USAGE_CCS_D;
   } else {
-      unreachable("Invalid MCS miptree");
+      *usage = ISL_AUX_USAGE_NONE;
+      return;
   }

   /* Figure out the format and tiling of the auxiliary surface */