Fix for [#22236] Seg Fault when rendering sequence with speed effect, [#24160] VSE crash

* Override the default render name in the case of the sequence renderer scene being included as a strip in the sequencer.
* Somebody with deeper insight to the rendering pipeline should probably check if this is the best way to handle this.

1 files changed, 9 insertions, 0 deletions

diff --git a/source/blender/blenkernel/intern/sequencer.c b/source/blender/blenkernel/intern/sequencer.c
index 430d6f87619..8c496fea3b0 100644
--- a/source/blender/blenkernel/intern/sequencer.c
+++ b/source/blender/blenkernel/intern/sequencer.c
@@ -1861,6 +1861,15 @@ static ImBuf * seq_render_scene_strip_impl(
 		
 		if(rendering)
 			re= RE_NewRender(" do_build_seq_ibuf");
+		/* If the top level scene that does the sequencer rendering is included 
+		 * as a strip the default render name for the strip will conflict with
+		 * the original render, so override the name in this case.
+		 * See bugs #22236 and #24160 for examples.
+		 * XXX: Somebody with deeper insight to the rendering pipeline should
+		 *      probably check if this is the best way to handle this. -jahka
+		 */
+		else if(seq->scene == scene)
+			re= RE_NewRender("scene_conflict_render");
 		else
 			re= RE_NewRender(sce->id.name);