From 25c02ea703f90709625f34bb7c3f9e18be7dd58c Mon Sep 17 00:00:00 2001
From: Jeroen Bakker <jeroen@blender.org>
Date: Tue, 23 Mar 2021 17:12:27 +0100
Subject: Cleanup: Add namespace to compositor.

---
 source/blender/compositor/intern/COM_CPUDevice.cc             |  4 ++++
 source/blender/compositor/intern/COM_CPUDevice.h              |  4 ++++
 source/blender/compositor/intern/COM_ChunkOrder.cc            |  4 ++++
 source/blender/compositor/intern/COM_ChunkOrder.h             |  4 ++++
 source/blender/compositor/intern/COM_ChunkOrderHotspot.cc     |  4 ++++
 source/blender/compositor/intern/COM_ChunkOrderHotspot.h      |  4 ++++
 source/blender/compositor/intern/COM_CompositorContext.cc     |  4 ++++
 source/blender/compositor/intern/COM_CompositorContext.h      |  4 ++++
 source/blender/compositor/intern/COM_Converter.cc             |  4 ++++
 source/blender/compositor/intern/COM_Converter.h              |  7 ++++++-
 source/blender/compositor/intern/COM_Debug.cc                 |  4 ++++
 source/blender/compositor/intern/COM_Debug.h                  |  6 +++++-
 source/blender/compositor/intern/COM_Device.h                 |  4 ++++
 source/blender/compositor/intern/COM_ExecutionGroup.cc        |  4 ++++
 source/blender/compositor/intern/COM_ExecutionGroup.h         |  5 +++++
 source/blender/compositor/intern/COM_ExecutionSystem.cc       |  4 ++++
 source/blender/compositor/intern/COM_ExecutionSystem.h        |  4 ++++
 source/blender/compositor/intern/COM_MemoryBuffer.cc          |  4 ++++
 source/blender/compositor/intern/COM_MemoryBuffer.h           |  6 ++++--
 source/blender/compositor/intern/COM_MemoryProxy.cc           |  8 ++++++++
 source/blender/compositor/intern/COM_MemoryProxy.h            | 11 +++++++----
 source/blender/compositor/intern/COM_MetaData.cc              |  4 ++++
 source/blender/compositor/intern/COM_MetaData.h               |  4 ++++
 source/blender/compositor/intern/COM_Node.cc                  |  4 ++++
 source/blender/compositor/intern/COM_Node.h                   |  5 ++++-
 source/blender/compositor/intern/COM_NodeConverter.cc         |  4 ++++
 source/blender/compositor/intern/COM_NodeConverter.h          |  4 ++++
 source/blender/compositor/intern/COM_NodeGraph.cc             |  4 ++++
 source/blender/compositor/intern/COM_NodeGraph.h              |  4 ++++
 source/blender/compositor/intern/COM_NodeOperation.cc         |  4 ++++
 source/blender/compositor/intern/COM_NodeOperation.h          |  4 ++++
 source/blender/compositor/intern/COM_NodeOperationBuilder.cc  |  4 ++++
 source/blender/compositor/intern/COM_NodeOperationBuilder.h   |  4 ++++
 source/blender/compositor/intern/COM_OpenCLDevice.cc          |  4 ++++
 source/blender/compositor/intern/COM_OpenCLDevice.h           |  4 ++++
 .../blender/compositor/intern/COM_SingleThreadedOperation.cc  |  4 ++++
 .../blender/compositor/intern/COM_SingleThreadedOperation.h   |  4 ++++
 source/blender/compositor/intern/COM_WorkPackage.cc           |  4 ++++
 source/blender/compositor/intern/COM_WorkPackage.h            |  4 ++++
 source/blender/compositor/intern/COM_WorkScheduler.cc         |  4 ++++
 source/blender/compositor/intern/COM_WorkScheduler.h          |  4 ++++
 source/blender/compositor/intern/COM_compositor.cc            |  8 ++++----
 42 files changed, 179 insertions(+), 13 deletions(-)

(limited to 'source/blender/compositor/intern')

diff --git a/source/blender/compositor/intern/COM_CPUDevice.cc b/source/blender/compositor/intern/COM_CPUDevice.cc
index b520a437008..e3081ca7bf4 100644
--- a/source/blender/compositor/intern/COM_CPUDevice.cc
+++ b/source/blender/compositor/intern/COM_CPUDevice.cc
@@ -18,6 +18,8 @@
 
 #include "COM_CPUDevice.h"
 
+namespace blender::compositor {
+
 CPUDevice::CPUDevice(int thread_id) : m_thread_id(thread_id)
 {
 }
@@ -34,3 +36,5 @@ void CPUDevice::execute(WorkPackage *work)
 
   executionGroup->finalizeChunkExecution(chunkNumber, nullptr);
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_CPUDevice.h b/source/blender/compositor/intern/COM_CPUDevice.h
index 6df1f41419d..99629890b30 100644
--- a/source/blender/compositor/intern/COM_CPUDevice.h
+++ b/source/blender/compositor/intern/COM_CPUDevice.h
@@ -20,6 +20,8 @@
 
 #include "COM_Device.h"
 
+namespace blender::compositor {
+
 /**
  * \brief class representing a CPU device.
  * \note for every hardware thread in the system a CPUDevice instance
@@ -43,3 +45,5 @@ class CPUDevice : public Device {
  protected:
   int m_thread_id;
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_ChunkOrder.cc b/source/blender/compositor/intern/COM_ChunkOrder.cc
index 9687154120d..a03718d720d 100644
--- a/source/blender/compositor/intern/COM_ChunkOrder.cc
+++ b/source/blender/compositor/intern/COM_ChunkOrder.cc
@@ -20,6 +20,8 @@
 
 #include "BLI_math.h"
 
+namespace blender::compositor {
+
 void ChunkOrder::update_distance(ChunkOrderHotspot *hotspots, unsigned int len_hotspots)
 {
   double new_distance = DBL_MAX;
@@ -36,3 +38,5 @@ bool operator<(const ChunkOrder &a, const ChunkOrder &b)
 {
   return a.distance < b.distance;
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_ChunkOrder.h b/source/blender/compositor/intern/COM_ChunkOrder.h
index a634309f345..a697f9231d9 100644
--- a/source/blender/compositor/intern/COM_ChunkOrder.h
+++ b/source/blender/compositor/intern/COM_ChunkOrder.h
@@ -24,6 +24,8 @@
 
 #include "COM_ChunkOrderHotspot.h"
 
+namespace blender::compositor {
+
 /** Helper to determine the order how chunks are prioritized during execution. */
 struct ChunkOrder {
   unsigned int index = 0;
@@ -39,3 +41,5 @@ struct ChunkOrder {
   MEM_CXX_CLASS_ALLOC_FUNCS("COM:ChunkOrderHotspot")
 #endif
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_ChunkOrderHotspot.cc b/source/blender/compositor/intern/COM_ChunkOrderHotspot.cc
index d31ff518ecd..79afcc9deea 100644
--- a/source/blender/compositor/intern/COM_ChunkOrderHotspot.cc
+++ b/source/blender/compositor/intern/COM_ChunkOrderHotspot.cc
@@ -19,6 +19,8 @@
 #include "COM_ChunkOrderHotspot.h"
 #include <cmath>
 
+namespace blender::compositor {
+
 double ChunkOrderHotspot::calc_distance(int x, int y)
 {
   int dx = this->x - x;
@@ -27,3 +29,5 @@ double ChunkOrderHotspot::calc_distance(int x, int y)
   result += (double)this->addition;
   return result;
 }
+
+}  // namespace blender::compositor
\ No newline at end of file
diff --git a/source/blender/compositor/intern/COM_ChunkOrderHotspot.h b/source/blender/compositor/intern/COM_ChunkOrderHotspot.h
index d7f40921836..249b328f5c2 100644
--- a/source/blender/compositor/intern/COM_ChunkOrderHotspot.h
+++ b/source/blender/compositor/intern/COM_ChunkOrderHotspot.h
@@ -22,6 +22,8 @@
 #  include "MEM_guardedalloc.h"
 #endif
 
+namespace blender::compositor {
+
 struct ChunkOrderHotspot {
   int x;
   int y;
@@ -37,3 +39,5 @@ struct ChunkOrderHotspot {
   MEM_CXX_CLASS_ALLOC_FUNCS("COM:ChunkOrderHotspot")
 #endif
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_CompositorContext.cc b/source/blender/compositor/intern/COM_CompositorContext.cc
index a746ccbc09f..fdd47a6ca79 100644
--- a/source/blender/compositor/intern/COM_CompositorContext.cc
+++ b/source/blender/compositor/intern/COM_CompositorContext.cc
@@ -22,6 +22,8 @@
 
 #include "BLI_assert.h"
 
+namespace blender::compositor {
+
 CompositorContext::CompositorContext()
 {
   this->m_scene = nullptr;
@@ -38,3 +40,5 @@ int CompositorContext::getFramenumber() const
   BLI_assert(m_rd);
   return m_rd->cfra;
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_CompositorContext.h b/source/blender/compositor/intern/COM_CompositorContext.h
index 46cf65bbb79..c6468865fc8 100644
--- a/source/blender/compositor/intern/COM_CompositorContext.h
+++ b/source/blender/compositor/intern/COM_CompositorContext.h
@@ -26,6 +26,8 @@
 #include <string>
 #include <vector>
 
+namespace blender::compositor {
+
 /**
  * \brief Overall context of the compositor
  */
@@ -277,3 +279,5 @@ class CompositorContext {
     return m_rd->size * 0.01f;
   }
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_Converter.cc b/source/blender/compositor/intern/COM_Converter.cc
index 63c95acce3e..af593b2e1b5 100644
--- a/source/blender/compositor/intern/COM_Converter.cc
+++ b/source/blender/compositor/intern/COM_Converter.cc
@@ -116,6 +116,8 @@
 #include "COM_ViewerNode.h"
 #include "COM_ZCombineNode.h"
 
+namespace blender::compositor {
+
 bool COM_bnode_is_fast_node(const bNode &b_node)
 {
   return !ELEM(b_node.type,
@@ -567,3 +569,5 @@ void COM_convert_resolution(NodeOperationBuilder &builder,
     builder.addLink(translateOperation->getOutputSocket(), toSocket);
   }
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_Converter.h b/source/blender/compositor/intern/COM_Converter.h
index 59be34bf0e3..28136437103 100644
--- a/source/blender/compositor/intern/COM_Converter.h
+++ b/source/blender/compositor/intern/COM_Converter.h
@@ -18,14 +18,17 @@
 
 #pragma once
 
+#include "COM_NodeOperation.h"
+
 #ifdef WITH_CXX_GUARDEDALLOC
 #  include "MEM_guardedalloc.h"
 #endif
 
 struct bNode;
 
+namespace blender::compositor {
+
 class Node;
-class NodeOperation;
 class NodeOperationInput;
 class NodeOperationOutput;
 class NodeOperationBuilder;
@@ -65,3 +68,5 @@ NodeOperation *COM_convert_data_type(const NodeOperationOutput &from,
 void COM_convert_resolution(NodeOperationBuilder &builder,
                             NodeOperationOutput *fromSocket,
                             NodeOperationInput *toSocket);
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_Debug.cc b/source/blender/compositor/intern/COM_Debug.cc
index c299bd1c72d..ac694768add 100644
--- a/source/blender/compositor/intern/COM_Debug.cc
+++ b/source/blender/compositor/intern/COM_Debug.cc
@@ -18,6 +18,8 @@
 
 #include "COM_Debug.h"
 
+namespace blender::compositor {
+
 #ifdef COM_DEBUG
 
 #  include <map>
@@ -495,3 +497,5 @@ void DebugInfo::graphviz(const ExecutionSystem * /*system*/)
 }
 
 #endif
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_Debug.h b/source/blender/compositor/intern/COM_Debug.h
index 0107d8b396d..623e4332ac4 100644
--- a/source/blender/compositor/intern/COM_Debug.h
+++ b/source/blender/compositor/intern/COM_Debug.h
@@ -21,10 +21,12 @@
 #include <map>
 #include <string>
 
+#include "COM_NodeOperation.h"
 #include "COM_defines.h"
 
+namespace blender::compositor {
+
 class Node;
-class NodeOperation;
 class ExecutionSystem;
 class ExecutionGroup;
 
@@ -81,3 +83,5 @@ class DebugInfo {
   static GroupStateMap m_group_states;
 #endif
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_Device.h b/source/blender/compositor/intern/COM_Device.h
index 0a456760045..2a43c1be2b4 100644
--- a/source/blender/compositor/intern/COM_Device.h
+++ b/source/blender/compositor/intern/COM_Device.h
@@ -20,6 +20,8 @@
 
 #include "COM_WorkPackage.h"
 
+namespace blender::compositor {
+
 /**
  * \brief Abstract class for device implementations to be used by the Compositor.
  * devices are queried, initialized and used by the WorkScheduler.
@@ -46,3 +48,5 @@ class Device {
   MEM_CXX_CLASS_ALLOC_FUNCS("COM:Device")
 #endif
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_ExecutionGroup.cc b/source/blender/compositor/intern/COM_ExecutionGroup.cc
index f500327b7a7..071b1d41941 100644
--- a/source/blender/compositor/intern/COM_ExecutionGroup.cc
+++ b/source/blender/compositor/intern/COM_ExecutionGroup.cc
@@ -46,6 +46,8 @@
 #include "WM_api.h"
 #include "WM_types.h"
 
+namespace blender::compositor {
+
 ExecutionGroup::ExecutionGroup()
 {
   this->m_is_output = false;
@@ -607,3 +609,5 @@ void ExecutionGroup::setRenderBorder(float xmin, float xmax, float ymin, float y
     }
   }
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_ExecutionGroup.h b/source/blender/compositor/intern/COM_ExecutionGroup.h
index 13ff06cd5d1..f8bc5f43e31 100644
--- a/source/blender/compositor/intern/COM_ExecutionGroup.h
+++ b/source/blender/compositor/intern/COM_ExecutionGroup.h
@@ -33,8 +33,11 @@
 #include "COM_NodeOperation.h"
 #include <vector>
 
+namespace blender::compositor {
+
 class ExecutionSystem;
 class MemoryProxy;
+class MemoryBuffer;
 class ReadBufferOperation;
 class Device;
 
@@ -441,3 +444,5 @@ class ExecutionGroup {
   MEM_CXX_CLASS_ALLOC_FUNCS("COM:ExecutionGroup")
 #endif
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_ExecutionSystem.cc b/source/blender/compositor/intern/COM_ExecutionSystem.cc
index df97b8079b2..c8e3b11160b 100644
--- a/source/blender/compositor/intern/COM_ExecutionSystem.cc
+++ b/source/blender/compositor/intern/COM_ExecutionSystem.cc
@@ -37,6 +37,8 @@
 #  include "MEM_guardedalloc.h"
 #endif
 
+namespace blender::compositor {
+
 ExecutionSystem::ExecutionSystem(RenderData *rd,
                                  Scene *scene,
                                  bNodeTree *editingtree,
@@ -219,3 +221,5 @@ void ExecutionSystem::execute_groups(CompositorPriority priority)
     }
   }
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_ExecutionSystem.h b/source/blender/compositor/intern/COM_ExecutionSystem.h
index 4d1dad7e5ed..b8dcd90e1a6 100644
--- a/source/blender/compositor/intern/COM_ExecutionSystem.h
+++ b/source/blender/compositor/intern/COM_ExecutionSystem.h
@@ -31,6 +31,8 @@ class ExecutionGroup;
 
 #include "BLI_vector.hh"
 
+namespace blender::compositor {
+
 /**
  * \page execution Execution model
  * In order to get to an efficient model for execution, several steps are being done. these steps
@@ -186,3 +188,5 @@ class ExecutionSystem {
   MEM_CXX_CLASS_ALLOC_FUNCS("COM:ExecutionSystem")
 #endif
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_MemoryBuffer.cc b/source/blender/compositor/intern/COM_MemoryBuffer.cc
index 0b28168720e..241e0c66aeb 100644
--- a/source/blender/compositor/intern/COM_MemoryBuffer.cc
+++ b/source/blender/compositor/intern/COM_MemoryBuffer.cc
@@ -20,6 +20,8 @@
 
 #include "MEM_guardedalloc.h"
 
+namespace blender::compositor {
+
 static unsigned int determine_num_channels(DataType datatype)
 {
   switch (datatype) {
@@ -183,3 +185,5 @@ void MemoryBuffer::readEWA(float *result, const float uv[2], const float derivat
                  this,
                  result);
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_MemoryBuffer.h b/source/blender/compositor/intern/COM_MemoryBuffer.h
index a72e0654360..060a67f8797 100644
--- a/source/blender/compositor/intern/COM_MemoryBuffer.h
+++ b/source/blender/compositor/intern/COM_MemoryBuffer.h
@@ -16,8 +16,6 @@
  * Copyright 2011, Blender Foundation.
  */
 
-class MemoryBuffer;
-
 #pragma once
 
 #include "COM_ExecutionGroup.h"
@@ -26,6 +24,8 @@ class MemoryBuffer;
 #include "BLI_math.h"
 #include "BLI_rect.h"
 
+namespace blender::compositor {
+
 /**
  * \brief state of a memory buffer
  * \ingroup Memory
@@ -330,3 +330,5 @@ class MemoryBuffer {
   MEM_CXX_CLASS_ALLOC_FUNCS("COM:MemoryBuffer")
 #endif
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_MemoryProxy.cc b/source/blender/compositor/intern/COM_MemoryProxy.cc
index 8ef834e1efe..6023850c944 100644
--- a/source/blender/compositor/intern/COM_MemoryProxy.cc
+++ b/source/blender/compositor/intern/COM_MemoryProxy.cc
@@ -18,6 +18,12 @@
 
 #include "COM_MemoryProxy.h"
 
+#include "COM_MemoryBuffer.h"
+
+#include "BLI_rect.h"
+
+namespace blender::compositor {
+
 MemoryProxy::MemoryProxy(DataType datatype)
 {
   this->m_writeBufferOperation = nullptr;
@@ -43,3 +49,5 @@ void MemoryProxy::free()
     this->m_buffer = nullptr;
   }
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_MemoryProxy.h b/source/blender/compositor/intern/COM_MemoryProxy.h
index ee98ff41630..0966eadadb2 100644
--- a/source/blender/compositor/intern/COM_MemoryProxy.h
+++ b/source/blender/compositor/intern/COM_MemoryProxy.h
@@ -16,13 +16,14 @@
  * Copyright 2011, Blender Foundation.
  */
 
-class MemoryProxy;
-
 #pragma once
 
-#include "COM_ExecutionGroup.h"
-#include "COM_MemoryBuffer.h"
+#include "COM_defines.h"
+
+namespace blender::compositor {
 
+/* Forward declarations. */
+class MemoryBuffer;
 class ExecutionGroup;
 class WriteBufferOperation;
 
@@ -119,3 +120,5 @@ class MemoryProxy {
   MEM_CXX_CLASS_ALLOC_FUNCS("COM:MemoryProxy")
 #endif
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_MetaData.cc b/source/blender/compositor/intern/COM_MetaData.cc
index ad72b242c8c..6762955ef78 100644
--- a/source/blender/compositor/intern/COM_MetaData.cc
+++ b/source/blender/compositor/intern/COM_MetaData.cc
@@ -24,6 +24,8 @@
 
 #include <string_view>
 
+namespace blender::compositor {
+
 void MetaData::add(const blender::StringRef key, const blender::StringRef value)
 {
   entries_.add(key, value);
@@ -104,3 +106,5 @@ void MetaDataExtractCallbackData::extract_cryptomatte_meta_data(void *_data,
     data->addMetaData(META_DATA_KEY_CRYPTOMATTE_MANIFEST, propvalue);
   }
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_MetaData.h b/source/blender/compositor/intern/COM_MetaData.h
index fa3de895b4e..ce437fd5df8 100644
--- a/source/blender/compositor/intern/COM_MetaData.h
+++ b/source/blender/compositor/intern/COM_MetaData.h
@@ -28,6 +28,8 @@
 /* Forward declarations. */
 struct RenderResult;
 
+namespace blender::compositor {
+
 /* Cryptomatte includes hash in its meta data keys. The hash is generated from the render
  * layer/pass name. Compositing happens without the knowledge of the original layer and pass. The
  * next keys are used to transfer the cryptomatte meta data in a neutral way. The file output node
@@ -69,3 +71,5 @@ struct MetaDataExtractCallbackData {
                                             char *propvalue,
                                             int UNUSED(len));
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_Node.cc b/source/blender/compositor/intern/COM_Node.cc
index 819f1c02b14..517f23f13cd 100644
--- a/source/blender/compositor/intern/COM_Node.cc
+++ b/source/blender/compositor/intern/COM_Node.cc
@@ -32,6 +32,8 @@
 
 #include "COM_Node.h" /* own include */
 
+namespace blender::compositor {
+
 /**************
  **** Node ****
  **************/
@@ -208,3 +210,5 @@ void NodeOutput::getEditorValueVector(float *value)
   RNA_pointer_create((ID *)getNode()->getbNodeTree(), &RNA_NodeSocket, getbNodeSocket(), &ptr);
   return RNA_float_get_array(&ptr, "default_value", value);
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_Node.h b/source/blender/compositor/intern/COM_Node.h
index 99f1b58b5ef..5b168ef87fd 100644
--- a/source/blender/compositor/intern/COM_Node.h
+++ b/source/blender/compositor/intern/COM_Node.h
@@ -29,7 +29,8 @@
 #include "COM_CompositorContext.h"
 #include "COM_NodeConverter.h"
 
-class Node;
+namespace blender::compositor {
+
 class NodeOperation;
 class NodeConverter;
 
@@ -317,3 +318,5 @@ class NodeOutput {
   void getEditorValueColor(float *value);
   void getEditorValueVector(float *value);
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_NodeConverter.cc b/source/blender/compositor/intern/COM_NodeConverter.cc
index 2db31bd4133..49a2e7988c4 100644
--- a/source/blender/compositor/intern/COM_NodeConverter.cc
+++ b/source/blender/compositor/intern/COM_NodeConverter.cc
@@ -29,6 +29,8 @@
 
 #include "COM_NodeConverter.h" /* own include */
 
+namespace blender::compositor {
+
 NodeConverter::NodeConverter(NodeOperationBuilder *builder) : m_builder(builder)
 {
 }
@@ -160,3 +162,5 @@ ViewerOperation *NodeConverter::active_viewer() const
 {
   return m_builder->active_viewer();
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_NodeConverter.h b/source/blender/compositor/intern/COM_NodeConverter.h
index e9b05184857..b3f03485249 100644
--- a/source/blender/compositor/intern/COM_NodeConverter.h
+++ b/source/blender/compositor/intern/COM_NodeConverter.h
@@ -22,6 +22,8 @@
 #  include "MEM_guardedalloc.h"
 #endif
 
+namespace blender::compositor {
+
 class NodeInput;
 class NodeOutput;
 
@@ -120,3 +122,5 @@ class NodeConverter {
   MEM_CXX_CLASS_ALLOC_FUNCS("COM:NodeCompiler")
 #endif
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_NodeGraph.cc b/source/blender/compositor/intern/COM_NodeGraph.cc
index 3bed9cdac03..53b912fe5e4 100644
--- a/source/blender/compositor/intern/COM_NodeGraph.cc
+++ b/source/blender/compositor/intern/COM_NodeGraph.cc
@@ -33,6 +33,8 @@
 
 #include "COM_NodeGraph.h" /* own include */
 
+namespace blender::compositor {
+
 /*******************
  **** NodeGraph ****
  *******************/
@@ -331,3 +333,5 @@ void NodeGraph::add_proxies_reroute(bNodeTree *b_ntree,
       b_node, (bNodeSocket *)b_node->inputs.first, (bNodeSocket *)b_node->outputs.first, false);
   add_node(proxy, b_ntree, key, is_active_group);
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_NodeGraph.h b/source/blender/compositor/intern/COM_NodeGraph.h
index 7533c6915e7..156a315933c 100644
--- a/source/blender/compositor/intern/COM_NodeGraph.h
+++ b/source/blender/compositor/intern/COM_NodeGraph.h
@@ -29,6 +29,8 @@
 #  include "MEM_guardedalloc.h"
 #endif
 
+namespace blender::compositor {
+
 class CompositorContext;
 class Node;
 class NodeInput;
@@ -121,3 +123,5 @@ class NodeGraph {
   MEM_CXX_CLASS_ALLOC_FUNCS("COM:NodeGraph")
 #endif
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_NodeOperation.cc b/source/blender/compositor/intern/COM_NodeOperation.cc
index 4aec257c4d3..a16e2d359f1 100644
--- a/source/blender/compositor/intern/COM_NodeOperation.cc
+++ b/source/blender/compositor/intern/COM_NodeOperation.cc
@@ -24,6 +24,8 @@
 
 #include "COM_NodeOperation.h" /* own include */
 
+namespace blender::compositor {
+
 /*******************
  **** NodeOperation ****
  *******************/
@@ -209,3 +211,5 @@ void NodeOperationOutput::determineResolution(unsigned int resolution[2],
     operation.setResolution(resolution);
   }
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_NodeOperation.h b/source/blender/compositor/intern/COM_NodeOperation.h
index b06a453a775..3d334758e7a 100644
--- a/source/blender/compositor/intern/COM_NodeOperation.h
+++ b/source/blender/compositor/intern/COM_NodeOperation.h
@@ -33,6 +33,8 @@
 
 #include "clew.h"
 
+namespace blender::compositor {
+
 class OpenCLDevice;
 class ReadBufferOperation;
 class WriteBufferOperation;
@@ -617,3 +619,5 @@ class NodeOperation {
   MEM_CXX_CLASS_ALLOC_FUNCS("COM:NodeOperation")
 #endif
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_NodeOperationBuilder.cc b/source/blender/compositor/intern/COM_NodeOperationBuilder.cc
index e1c643fc31d..44adb26a412 100644
--- a/source/blender/compositor/intern/COM_NodeOperationBuilder.cc
+++ b/source/blender/compositor/intern/COM_NodeOperationBuilder.cc
@@ -38,6 +38,8 @@
 
 #include "COM_NodeOperationBuilder.h" /* own include */
 
+namespace blender::compositor {
+
 NodeOperationBuilder::NodeOperationBuilder(const CompositorContext *context, bNodeTree *b_nodetree)
     : m_context(context), m_current_node(nullptr), m_active_viewer(nullptr)
 {
@@ -684,3 +686,5 @@ void NodeOperationBuilder::group_operations()
     }
   }
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_NodeOperationBuilder.h b/source/blender/compositor/intern/COM_NodeOperationBuilder.h
index 8f55574fa88..8e5ec58c3be 100644
--- a/source/blender/compositor/intern/COM_NodeOperationBuilder.h
+++ b/source/blender/compositor/intern/COM_NodeOperationBuilder.h
@@ -24,6 +24,8 @@
 
 #include "COM_NodeGraph.h"
 
+namespace blender::compositor {
+
 class CompositorContext;
 
 class Node;
@@ -157,3 +159,5 @@ class NodeOperationBuilder {
   MEM_CXX_CLASS_ALLOC_FUNCS("COM:NodeCompilerImpl")
 #endif
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_OpenCLDevice.cc b/source/blender/compositor/intern/COM_OpenCLDevice.cc
index 4ac6bd50380..ac6f1490083 100644
--- a/source/blender/compositor/intern/COM_OpenCLDevice.cc
+++ b/source/blender/compositor/intern/COM_OpenCLDevice.cc
@@ -19,6 +19,8 @@
 #include "COM_OpenCLDevice.h"
 #include "COM_WorkScheduler.h"
 
+namespace blender::compositor {
+
 enum COM_VendorID { NVIDIA = 0x10DE, AMD = 0x1002 };
 const cl_image_format IMAGE_FORMAT_COLOR = {
     CL_RGBA,
@@ -270,3 +272,5 @@ cl_kernel OpenCLDevice::COM_clCreateKernel(const char *kernelname,
   }
   return kernel;
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_OpenCLDevice.h b/source/blender/compositor/intern/COM_OpenCLDevice.h
index 30d9a59d182..355451cef68 100644
--- a/source/blender/compositor/intern/COM_OpenCLDevice.h
+++ b/source/blender/compositor/intern/COM_OpenCLDevice.h
@@ -25,6 +25,8 @@ class OpenCLDevice;
 #include "COM_WorkScheduler.h"
 #include "clew.h"
 
+namespace blender::compositor {
+
 /**
  * \brief device representing an GPU OpenCL device.
  * an instance of this class represents a single cl_device
@@ -117,3 +119,5 @@ class OpenCLDevice : public Device {
                           NodeOperation *operation);
   cl_kernel COM_clCreateKernel(const char *kernelname, std::list<cl_kernel> *clKernelsToCleanUp);
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_SingleThreadedOperation.cc b/source/blender/compositor/intern/COM_SingleThreadedOperation.cc
index 5febf3802de..d7341ff7fdd 100644
--- a/source/blender/compositor/intern/COM_SingleThreadedOperation.cc
+++ b/source/blender/compositor/intern/COM_SingleThreadedOperation.cc
@@ -18,6 +18,8 @@
 
 #include "COM_SingleThreadedOperation.h"
 
+namespace blender::compositor {
+
 SingleThreadedOperation::SingleThreadedOperation()
 {
   this->m_cachedInstance = nullptr;
@@ -56,3 +58,5 @@ void *SingleThreadedOperation::initializeTileData(rcti *rect)
   unlockMutex();
   return this->m_cachedInstance;
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_SingleThreadedOperation.h b/source/blender/compositor/intern/COM_SingleThreadedOperation.h
index 82326b57b57..1f741578a95 100644
--- a/source/blender/compositor/intern/COM_SingleThreadedOperation.h
+++ b/source/blender/compositor/intern/COM_SingleThreadedOperation.h
@@ -20,6 +20,8 @@
 
 #include "COM_NodeOperation.h"
 
+namespace blender::compositor {
+
 class SingleThreadedOperation : public NodeOperation {
  private:
   MemoryBuffer *m_cachedInstance;
@@ -57,3 +59,5 @@ class SingleThreadedOperation : public NodeOperation {
     return true;
   }
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_WorkPackage.cc b/source/blender/compositor/intern/COM_WorkPackage.cc
index 60684f2c45c..e7cc1bbf908 100644
--- a/source/blender/compositor/intern/COM_WorkPackage.cc
+++ b/source/blender/compositor/intern/COM_WorkPackage.cc
@@ -18,8 +18,12 @@
 
 #include "COM_WorkPackage.h"
 
+namespace blender::compositor {
+
 WorkPackage::WorkPackage(ExecutionGroup *execution_group, unsigned int chunk_number)
 {
   this->execution_group = execution_group;
   this->chunk_number = chunk_number;
 }
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_WorkPackage.h b/source/blender/compositor/intern/COM_WorkPackage.h
index db5eb3d3072..5577dcb1eb6 100644
--- a/source/blender/compositor/intern/COM_WorkPackage.h
+++ b/source/blender/compositor/intern/COM_WorkPackage.h
@@ -21,6 +21,8 @@
 class ExecutionGroup;
 #include "COM_ExecutionGroup.h"
 
+namespace blender::compositor {
+
 /**
  * \brief contains data about work that can be scheduled
  * \see WorkScheduler
@@ -47,3 +49,5 @@ struct WorkPackage {
   MEM_CXX_CLASS_ALLOC_FUNCS("COM:WorkPackage")
 #endif
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_WorkScheduler.cc b/source/blender/compositor/intern/COM_WorkScheduler.cc
index 7d9dd502762..6a7de0a1c73 100644
--- a/source/blender/compositor/intern/COM_WorkScheduler.cc
+++ b/source/blender/compositor/intern/COM_WorkScheduler.cc
@@ -37,6 +37,8 @@
 
 #include "BKE_global.h"
 
+namespace blender::compositor {
+
 enum class ThreadingModel {
   /** Everything is executed in the caller thread. easy for debugging. */
   SingleThreaded,
@@ -583,3 +585,5 @@ int WorkScheduler::current_thread_id()
 }
 
 /* \} */
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_WorkScheduler.h b/source/blender/compositor/intern/COM_WorkScheduler.h
index 6b53cc3efd6..a8a76944939 100644
--- a/source/blender/compositor/intern/COM_WorkScheduler.h
+++ b/source/blender/compositor/intern/COM_WorkScheduler.h
@@ -24,6 +24,8 @@
 #include "COM_WorkPackage.h"
 #include "COM_defines.h"
 
+namespace blender::compositor {
+
 /** \brief the workscheduler
  * \ingroup execution
  */
@@ -93,3 +95,5 @@ struct WorkScheduler {
   MEM_CXX_CLASS_ALLOC_FUNCS("COM:WorkScheduler")
 #endif
 };
+
+}  // namespace blender::compositor
diff --git a/source/blender/compositor/intern/COM_compositor.cc b/source/blender/compositor/intern/COM_compositor.cc
index 68e4f80f91f..3aa711c6594 100644
--- a/source/blender/compositor/intern/COM_compositor.cc
+++ b/source/blender/compositor/intern/COM_compositor.cc
@@ -92,12 +92,12 @@ void COM_execute(RenderData *render_data,
 
   /* Initialize workscheduler. */
   const bool use_opencl = (node_tree->flag & NTREE_COM_OPENCL) != 0;
-  WorkScheduler::initialize(use_opencl, BKE_render_num_threads(render_data));
+  blender::compositor::WorkScheduler::initialize(use_opencl, BKE_render_num_threads(render_data));
 
   /* Execute. */
   const bool twopass = (node_tree->flag & NTREE_TWO_PASS) && !rendering;
   if (twopass) {
-    ExecutionSystem fast_pass(
+    blender::compositor::ExecutionSystem fast_pass(
         render_data, scene, node_tree, rendering, true, viewSettings, displaySettings, viewName);
     fast_pass.execute();
 
@@ -107,7 +107,7 @@ void COM_execute(RenderData *render_data,
     }
   }
 
-  ExecutionSystem system(
+  blender::compositor::ExecutionSystem system(
       render_data, scene, node_tree, rendering, false, viewSettings, displaySettings, viewName);
   system.execute();
 
@@ -118,7 +118,7 @@ void COM_deinitialize()
 {
   if (g_compositor.is_initialized) {
     BLI_mutex_lock(&g_compositor.mutex);
-    WorkScheduler::deinitialize();
+    blender::compositor::WorkScheduler::deinitialize();
     g_compositor.is_initialized = false;
     BLI_mutex_unlock(&g_compositor.mutex);
     BLI_mutex_end(&g_compositor.mutex);
-- 
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