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Fix T93297: incorrect eevee motion blur with geometry instances 

This disables motion blur for geometry instances in eevee, which did
not work correctly anyway. See code comment for more details.

Differential Revision: https://developer.blender.org/D13334
This commit is contained in:
Jacques Lucke 2021-11-23 16:40:21 +01:00
parent 70424195a8
commit a6b7f32112
Notes: blender-bot 2024-04-11 14:26:06 +02:00 
Referenced by issue #97380, Weird motionblur on curves in Eevee
Referenced by issue #93784, [EEVEE] Blender 3.0 - Bug : Text objects AND CURVE objects have no motion blur.
Referenced by issue #93297, Eevee motion blur or Geometry node is bugging material
1 changed files with 9 additions and 0 deletions
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9
source/blender/draw/engines/eevee/eevee_motion_blur.c
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@ -29,6 +29,7 @@
#include "BKE_animsys.h"
#include "BKE_camera.h"
#include "BKE_duplilist.h"
#include "BKE_object.h"
#include "BKE_screen.h"
@ -318,6 +319,14 @@ void EEVEE_motion_blur_cache_populate(EEVEE_ViewLayerData *UNUSED(sldata),
return;
}
const DupliObject *dup = DRW_object_get_dupli(ob);
if (dup != NULL && dup->ob->data != dup->ob_data) {
/* Geometry instances do not support motion blur correctly yet. The #key used in
* #motion_blur_deform_data_get has to take ids of instances (#DupliObject.persistent_id) into
* account. Otherwise it can't find matching geometry instances at different points in time. */
return;
}
EEVEE_ObjectMotionData *mb_data = EEVEE_motion_blur_object_data_get(
&effects->motion_blur, ob, false);