[Bf-blender-cvs] [d244067d124] master: Fix T87291: assert on exit with preview render

[Brecht Van Lommel]

Commit: d244067d12442709bf080b3f9449e0b62d4b704c
Author: Brecht Van Lommel
Date:   Thu Apr 8 12:28:41 2021 +0200
Branches: master
https://developer.blender.org/rBd244067d12442709bf080b3f9449e0b62d4b704c

Fix T87291: assert on exit with preview render

Don't keep around persistent data in this case.

===================================================================

M	source/blender/render/intern/pipeline.c

===================================================================

diff --git a/source/blender/render/intern/pipeline.c b/source/blender/render/intern/pipeline.c
index 5a2ac6ed348..1fcfac8c9dd 100644
--- a/source/blender/render/intern/pipeline.c
+++ b/source/blender/render/intern/pipeline.c
@@ -2674,6 +2674,12 @@ void RE_PreviewRender(Render *re, Main *bmain, Scene *sce)
   RE_SetCamera(re, camera);
 
   do_render_3d(re);
+
+  /* No persistent data for preview render. */
+  if (re->engine) {
+    RE_engine_free(re->engine);
+    re->engine = NULL;
+  }
 }
 
 void RE_CleanAfterRender(Render *re)