[Bf-blender-cvs] [48ff9b57f8a] master: Build: Add precompiled headers for `bf_compositor`

[Aaron Carlisle]

Commit: 48ff9b57f8a53828b30ddbed94df89564b012b44
Author: Aaron Carlisle
Date:   Tue Jan 11 16:48:56 2022 -0500
Branches: master
https://developer.blender.org/rB48ff9b57f8a53828b30ddbed94df89564b012b44

Build: Add precompiled headers for `bf_compositor`

With this change, compilation saw a 2.4x improvement.

This can be combined with unity build to give an overall 4x improvement

Depends on D13797

Reviewed By: LazyDodo

Differential Revision: https://developer.blender.org/D13798

===================================================================

M	source/blender/compositor/CMakeLists.txt
A	source/blender/compositor/COM_precomp.h

===================================================================

diff --git a/source/blender/compositor/CMakeLists.txt b/source/blender/compositor/CMakeLists.txt
index f59fd885871..af8ba0a24a5 100644
--- a/source/blender/compositor/CMakeLists.txt
+++ b/source/blender/compositor/CMakeLists.txt
@@ -645,6 +645,10 @@ endif()
 
 blender_add_lib(bf_compositor "${SRC}" "${INC}" "${INC_SYS}" "${LIB}")
 
+if(COMMAND target_precompile_headers)
+  target_precompile_headers(bf_compositor PRIVATE COM_precomp.h)
+endif()
+
 if(CXX_WARN_NO_SUGGEST_OVERRIDE)
   target_compile_options(bf_compositor PRIVATE "-Wsuggest-override")
 endif()
diff --git a/source/blender/compositor/COM_precomp.h b/source/blender/compositor/COM_precomp.h
new file mode 100644
index 00000000000..4d2681ea0cd
--- /dev/null
+++ b/source/blender/compositor/COM_precomp.h
@@ -0,0 +1,33 @@
+/* Pre-compiled headers, see: D13797. */
+
+#include <cfloat>
+#include <climits>
+#include <cmath>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <functional>
+#include <iostream>
+#include <iterator>
+#include <list>
+#include <map>
+#include <ostream>
+#include <set>
+#include <string>
+
+#include "COM_ConstantOperation.h"
+#include "COM_ConvertOperation.h"
+#include "COM_Debug.h"
+#include "COM_Enums.h"
+#include "COM_ExecutionGroup.h"
+#include "COM_ExecutionSystem.h"
+#include "COM_MultiThreadedOperation.h"
+#include "COM_Node.h"
+#include "COM_NodeOperation.h"
+#include "COM_OpenCLDevice.h"
+#include "COM_SetAlphaMultiplyOperation.h"
+#include "COM_SetColorOperation.h"
+#include "COM_SetSamplerOperation.h"
+#include "COM_SetValueOperation.h"
+#include "COM_SetVectorOperation.h"
+#include "COM_defines.h"