1 files changed, 7 insertions, 0 deletions
diff --git a/source/blender/compositor/intern/COM_ExecutionSystem.cpp b/source/blender/compositor/intern/COM_ExecutionSystem.cpp
index ff841092848..801505e9d39 100644
--- a/source/blender/compositor/intern/COM_ExecutionSystem.cpp
+++ b/source/blender/compositor/intern/COM_ExecutionSystem.cpp
@@ -129,6 +129,13 @@ void ExecutionSystem::execute()
 		operation->setbNodeTree(this->m_context.getbNodeTree());
 		operation->initExecution();
 	}
+	for (index = 0; index < this->m_operations.size(); index++) {
+		NodeOperation *operation = this->m_operations[index];
+		if (operation->isReadBufferOperation()) {
+			ReadBufferOperation *readOperation = (ReadBufferOperation *)operation;
+			readOperation->updateMemoryBuffer();
+		}
+	}
 	for (index = 0; index < this->m_groups.size(); index++) {
 		ExecutionGroup *executionGroup = this->m_groups[index];
 		executionGroup->setChunksize(this->m_context.getChunksize());