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diff --git a/source/blender/compositor/operations/COM_DenoiseOperation.h b/source/blender/compositor/operations/COM_DenoiseOperation.h
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+/*
+ * Copyright 2019, 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:
+ *      Stefan Werner
+ */
+
+#ifndef __COM_DENOISEBASEOPERATION_H__
+#define __COM_DENOISEBASEOPERATION_H__
+
+#include "COM_SingleThreadedOperation.h"
+#include "DNA_node_types.h"
+
+class DenoiseOperation : public SingleThreadedOperation {
+ private:
+  /**
+   * \brief Cached reference to the input programs
+   */
+  SocketReader *m_inputProgramColor;
+  SocketReader *m_inputProgramAlbedo;
+  SocketReader *m_inputProgramNormal;
+
+  /**
+   * \brief settings of the denoise node.
+   */
+  NodeDenoise *m_settings;
+
+ public:
+  DenoiseOperation();
+  /**
+   * Initialize the execution
+   */
+  void initExecution();
+
+  /**
+   * Deinitialize the execution
+   */
+  void deinitExecution();
+
+  void setDenoiseSettings(NodeDenoise *settings)
+  {
+    this->m_settings = settings;
+  }
+  bool determineDependingAreaOfInterest(rcti *input,
+                                        ReadBufferOperation *readOperation,
+                                        rcti *output);
+
+ protected:
+  void generateDenoise(float *data,
+                       MemoryBuffer *inputTileColor,
+                       MemoryBuffer *inputTileAlbedo,
+                       MemoryBuffer *inputTileNormal,
+                       NodeDenoise *settings);
+
+  MemoryBuffer *createMemoryBuffer(rcti *rect);
+};
+#endif