fix for using un-initialized memory in the new compositor for the split view node.

3 files changed, 4 insertions, 1 deletions

diff --git a/source/blender/compositor/COM_defines.h b/source/blender/compositor/COM_defines.h
index d59388c9206..57b73c836df 100644
--- a/source/blender/compositor/COM_defines.h
+++ b/source/blender/compositor/COM_defines.h
@@ -101,6 +101,8 @@ typedef enum OrderOfChunks {
 	COM_TO_RULE_OF_THIRDS = 3
 } OrderOfChunks;
 
+#define COM_ORDER_OF_CHUNKS_DEFAULT COM_TO_CENTER_OUT
+
 #define COM_RULE_OF_THIRDS_DIVIDER 100.0f
 
 #define COM_NUMBER_OF_CHANNELS 4
diff --git a/source/blender/compositor/intern/COM_ExecutionGroup.cpp b/source/blender/compositor/intern/COM_ExecutionGroup.cpp
index 7a53af7f58c..aaca97d8479 100644
--- a/source/blender/compositor/intern/COM_ExecutionGroup.cpp
+++ b/source/blender/compositor/intern/COM_ExecutionGroup.cpp
@@ -229,7 +229,7 @@ void ExecutionGroup::execute(ExecutionSystem *graph)
 	NodeOperation *operation = this->getOutputNodeOperation();
 	float centerX = 0.5;
 	float centerY = 0.5;
-	int chunkorder = COM_TO_CENTER_OUT;
+	OrderOfChunks chunkorder = COM_ORDER_OF_CHUNKS_DEFAULT;
 
 	if (operation->isViewerOperation()) {
 		ViewerBaseOperation *viewer = (ViewerBaseOperation*)operation;
diff --git a/source/blender/compositor/nodes/COM_SplitViewerNode.cpp b/source/blender/compositor/nodes/COM_SplitViewerNode.cpp
index 8bf9fd2bf06..a93b066e1e9 100644
--- a/source/blender/compositor/nodes/COM_SplitViewerNode.cpp
+++ b/source/blender/compositor/nodes/COM_SplitViewerNode.cpp
@@ -41,6 +41,7 @@ void SplitViewerNode::convertToOperations(ExecutionSystem *graph, CompositorCont
 		splitViewerOperation->setImage(image);
 		splitViewerOperation->setImageUser(imageUser);
 		splitViewerOperation->setActive((this->getbNode()->flag & NODE_DO_OUTPUT) && this->isInActiveGroup());
+		splitViewerOperation->setChunkOrder(COM_ORDER_OF_CHUNKS_DEFAULT);
 		splitViewerOperation->setSplitPercentage(this->getbNode()->custom1);
 		splitViewerOperation->setXSplit(!this->getbNode()->custom2);
 		image1Socket->relinkConnections(splitViewerOperation->getInputSocket(0), 0, graph);