1 files changed, 59 insertions, 0 deletions
diff --git a/source/blender/compositor/intern/COM_compositor.cpp b/source/blender/compositor/intern/COM_compositor.cpp
new file mode 100644
index 00000000000..5707fc2c2fe
--- /dev/null
+++ b/source/blender/compositor/intern/COM_compositor.cpp
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2011, Blender Foundation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Contributor: 
+ *		Jeroen Bakker 
+ *		Monique Dewanchand
+ */
+
+
+#include "BKE_node.h"
+extern "C" {
+	#include "BLI_threads.h"
+}
+
+#include "COM_compositor.h"
+#include "COM_ExecutionSystem.h"
+#include "COM_WorkScheduler.h"
+
+static ThreadMutex *compositorMutex;
+void COM_execute(bNodeTree *editingtree, int rendering) {
+	if (compositorMutex == NULL) { /// TODO: move to blender startup phase
+		compositorMutex = new ThreadMutex();
+		BLI_mutex_init(compositorMutex);
+		WorkScheduler::initialize(); ///TODO: call workscheduler.deinitialize somewhere
+	}
+	BLI_mutex_lock(compositorMutex);
+	if (editingtree->test_break && editingtree->test_break(editingtree->tbh)) {
+		// during editing multiple calls to this method can be triggered.
+		// make sure one the last one will be doing the work.
+		BLI_mutex_unlock(compositorMutex);
+		return;
+
+	}
+
+	/* set progress bar to 0% and status to init compositing*/
+	editingtree->progress(editingtree->prh, 0.0);
+	editingtree->stats_draw(editingtree->sdh, (char*)"Compositing");
+
+	/* initialize execution system */
+	ExecutionSystem* system = new ExecutionSystem(editingtree, rendering);
+	system->execute();
+	delete system;
+
+	BLI_mutex_unlock(compositorMutex);
+}