Commit: 9cc75bc524bfc80ed992fc97070b4d70011a896a
Author: Sergey Sharybin
Date: Wed Aug 26 15:27:22 2015 +0200
Branches: master
https://developer.blender.org/rB9cc75bc524bfc80ed992fc97070b4d70011a896a
Fix T44945: Blender crashes when using multiple domains and multiple flow
objects with subframes
This is more like a workaround to prevent obvious cases fail, but in theory
if some other area will start updating object for subframes blender will
crash again.
Perhaps proper way to solve this will be to copy objects for subframe updates.
===================================================================
M source/blender/blenkernel/intern/smoke.c
===================================================================
diff --git a/source/blender/blenkernel/intern/smoke.c
b/source/blender/blenkernel/intern/smoke.c
index 2637969..4e2f6ed 100644
--- a/source/blender/blenkernel/intern/smoke.c
+++ b/source/blender/blenkernel/intern/smoke.c
@@ -93,6 +93,8 @@
#ifdef WITH_SMOKE
+static ThreadMutex object_update_lock = BLI_MUTEX_INITIALIZER;
+
#ifdef _WIN32
#include <time.h>
#include <stdio.h>
@@ -2164,7 +2166,9 @@ static void update_flowsfluids(Scene *scene, Object *ob,
SmokeDomainSettings *sd
}
else { /* MOD_SMOKE_FLOW_SOURCE_MESH */
/* update flow object frame */
+
BLI_mutex_lock(&object_update_lock);
subframe_updateObject(scene,
collob, 1, 5, BKE_scene_frame_get(scene), for_render);
+
BLI_mutex_unlock(&object_update_lock);
/* apply flow */
emit_from_derivedmesh(collob,
sds, sfs, &em_temp, sdt);
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