Fix T64855: smooth view not working in Eevee rendered mode

source/blender/editors/space_view3d/space_view3d.c

@@ -581,7 +581,7 @@ static void view3d_lightcache_update(bContext *C)
 
   Scene *scene = CTX_data_scene(C);
 
-  if (strcmp(scene->r.engine, RE_engine_id_BLENDER_EEVEE) != 0) {
+  if (!BKE_scene_uses_blender_eevee(scene)) {
     /* Only do auto bake if eevee is the active engine */
     return;
   }

source/blender/editors/space_view3d/view3d_view.c

@@ -196,8 +196,8 @@ void ED_view3d_smooth_view_ex(
     sms.to_camera = true; /* restore view3d values in end */
   }
 
-  /* skip smooth viewing for render engine draw */
-  if (smooth_viewtx && v3d->shading.type != OB_RENDER) {
+  /* skip smooth viewing for external render engine draw */
+  if (smooth_viewtx && !(v3d->shading.type == OB_RENDER && rv3d->render_engine)) {
     bool changed = false; /* zero means no difference */
 
     if (sview->camera_old != sview->camera) {