EEVEE: Motion Blur: Use evaluated object as key to motion data

This fix issues with instanced geometry and modifiers. Since the
depsgraph will duplicate the objects when they have different modifiers,
the evaluated object are garanteed to be unique.

1 files changed, 3 insertions, 3 deletions

diff --git a/source/blender/draw/engines/eevee/eevee_motion_blur.c b/source/blender/draw/engines/eevee/eevee_motion_blur.c
index 400b309de07..e3dd4252018 100644
--- a/source/blender/draw/engines/eevee/eevee_motion_blur.c
+++ b/source/blender/draw/engines/eevee/eevee_motion_blur.c
@@ -289,8 +289,7 @@ void EEVEE_motion_blur_hair_cache_populate(EEVEE_ViewLayerData *UNUSED(sldata),
     /* Store transform  */
     DRW_hair_duplimat_get(ob, psys, md, mb_data->obmat[mb_step]);
 
-    EEVEE_GeometryMotionData *mb_geom = EEVEE_motion_blur_hair_data_get(
-        &effects->motion_blur, ob, md);
+    EEVEE_GeometryMotionData *mb_geom = EEVEE_motion_blur_hair_data_get(&effects->motion_blur, ob);
 
     if (mb_step == MB_CURR) {
       /* Fill missing matrices if the object was hidden in previous or next frame. */
@@ -339,7 +338,8 @@ void EEVEE_motion_blur_cache_populate(EEVEE_ViewLayerData *UNUSED(sldata),
   const bool is_dupli = (ob->base_flag & BASE_FROM_DUPLI) != 0;
   const bool object_moves = is_dupli || has_rigidbody || BKE_object_moves_in_time(ob, true);
 #else
-  /* BKE_object_moves_in_time does not work in some cases. Better  */
+  /* BKE_object_moves_in_time does not work in some cases.
+   * Better detect non moving object after evaluation. */
   const bool object_moves = true;
 #endif
   const bool is_deform = BKE_object_is_deform_modified(DRW_context_state_get()->scene, ob) ||