Add Chromium-only Blender WebEngine parity work

blender-5.2.0/extern/opensubdiv-source/cmake/FindOpenCL.cmake

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+#
+#   Copyright 2013 Pixar
+#
+#   Licensed under the terms set forth in the LICENSE.txt file available at
+#   https://opensubdiv.org/license.
+#
+
+# - Try to find an OpenCL library
+# Once done this will define
+#
+#  OPENCL_FOUND - System has OPENCL
+#  OPENCL_INCLUDE_DIRS - The OPENCL include directory
+#  OPENCL_LIBRARIES - The libraries needed to use OPENCL
+
+
+find_package(PackageHandleStandardArgs)
+
+if (APPLE)
+
+    find_library( OPENCL_LIBRARIES
+        NAMES
+            OpenCL
+        DOC "OpenCL lib for OSX"
+    )
+
+    find_path( OPENCL_INCLUDE_DIRS
+        NAMES
+            OpenCL/cl.h
+        DOC "Include for OpenCL on OSX"
+    )
+
+    find_path( _OPENCL_CPP_INCLUDE_DIRS
+        NAMES
+            OpenCL/cl.hpp
+        DOC "Include for OpenCL CPP bindings on OSX"
+    )
+
+elseif (WIN32)
+
+    find_path( OPENCL_INCLUDE_DIRS
+         NAMES
+             CL/cl.h
+    )
+
+    find_path( _OPENCL_CPP_INCLUDE_DIRS
+        NAMES
+            CL/cl.hpp
+    )
+
+    find_library( OPENCL_LIBRARIES
+        NAMES
+            OpenCL.lib
+        PATHS
+            ENV OpenCL_LIBPATH
+            "$ENV{ATISTREAMSDKROOT}/lib/x86_64"
+            "$ENV{ATISTREAMSDKROOT}/lib/x86"
+            "C:/Program Files (x86)/Intel/OpenCL SDK/2.0/lib/x64"
+            "C:/Program Files (x86)/Intel/OpenCL SDK/2.0/lib/x86"
+    )
+
+    get_filename_component( _OPENCL_INC_CAND ${OPENCL_LIB_DIR}/../../include ABSOLUTE )
+
+    find_path( OPENCL_INCLUDE_DIRS
+        NAMES
+            CL/cl.h
+        PATHS
+            "${_OPENCL_INC_CAND}"
+            ENV OpenCL_INCPATH
+    )
+
+    find_path( _OPENCL_CPP_INCLUDE_DIRS
+        NAMES
+            CL/cl.hpp
+        PATHS
+            "${_OPENCL_INC_CAND}"
+            ENV OpenCL_INCPATH
+    )
+
+    # AMD APP SDK
+    find_file(_OPENCL_DX_INTEROP_CL_D3D11_H
+        NAMES
+            CL/cl_d3d11.h
+        PATHS
+            "${_OPENCL_INC_CAND}"
+            "${OPENCL_INCLUDE_DIRS}"
+            ENV OpenCL_INCPATH
+    )
+    if (_OPENCL_DX_INTEROP_CL_D3D11_H)
+        set(OPENCL_CL_D3D11_H_FOUND "YES")
+        message("OpenCL DX11 interop found ${_OPENCL_DX_INTEROP_CL_D3D11_H}")
+    endif()
+
+    # NVIDIA GPU Computing ToolKit
+    find_file(_OPENCL_DX_INTEROP_CL_D3D11_EXT_H
+        NAMES
+            CL/cl_d3d11_ext.h
+        PATHS
+            "${_OPENCL_INC_CAND}"
+            "${OPENCL_INCLUDE_DIRS}"
+            ENV OpenCL_INCPATH
+    )
+
+    if (_OPENCL_DX_INTEROP_CL_D3D11_EXT_H)
+        set(OPENCL_CL_D3D11_EXT_H_FOUND "YES")
+        message("OpenCL DX11 interop found ${_OPENCL_DX_INTEROP_CL_D3D11_EXT_H}")
+    endif()
+
+    if (NOT _OPENCL_DX_INTEROP_CL_D3D11_H AND NOT _OPENCL_DX_INTEROP_CL_D3D11_EXT_H)
+        message("OpenCL DX11 interop not found")
+    endif()
+
+elseif (UNIX)
+
+    find_library( OPENCL_LIBRARIES
+        NAMES
+            OpenCL
+        PATHS
+            ENV LD_LIBRARY_PATH
+            ENV OpenCL_LIBPATH
+    )
+
+    get_filename_component( OPENCL_LIB_DIR ${OPENCL_LIBRARIES} PATH )
+
+    get_filename_component( _OPENCL_INC_CAND "${OPENCL_LIB_DIR}/../../include" ABSOLUTE )
+
+    find_path( OPENCL_INCLUDE_DIRS
+        NAMES
+            CL/cl.h
+        PATHS
+            "${_OPENCL_INC_CAND}"
+            "/usr/local/cuda/include"
+            "/opt/AMDAPP/include"
+            ENV OpenCL_INCPATH
+    )
+
+    find_path( _OPENCL_CPP_INCLUDE_DIRS
+        NAMES
+            CL/cl.hpp
+        PATHS
+            "${_OPENCL_INC_CAND}"
+            "/usr/local/cuda/include"
+            "/opt/AMDAPP/include"
+            ENV OpenCL_INCPATH
+    )
+
+else ()
+
+    message( "Could not determine OpenCL platform" )
+
+endif ()
+
+
+if(_OPENCL_CPP_INCLUDE_DIRS)
+
+    set( OPENCL_HAS_CPP_BINDINGS TRUE )
+
+    list( APPEND OPENCL_INCLUDE_DIRS ${_OPENCL_CPP_INCLUDE_DIRS} )
+
+    list( REMOVE_DUPLICATES OPENCL_INCLUDE_DIRS )
+    
+    if(EXISTS "${OPENCL_INCLUDE_DIRS}/CL/cl.h")
+    
+        file(STRINGS "${OPENCL_INCLUDE_DIRS}/CL/cl.h" LINES REGEX "^#define CL_VERSION_[0-9]_[0-9]")
+
+        foreach(LINE ${LINES})
+        
+            string(REGEX MATCHALL "[0-9]+" VERSION ${LINE})
+            
+            #string(SUBSTRING ${VERSION} 1 2 FOO)
+            
+            list(GET VERSION 0 MAJOR)
+            list(GET VERSION 1 MINOR)
+            set(VERSION ${MAJOR}.${MINOR})
+            
+            if (NOT OPENCL_VERSION OR OPENCL_VERSION VERSION_LESS ${VERSION})
+                 set(OPENCL_VERSION ${VERSION})
+            endif()
+
+        endforeach()
+                   
+    endif()
+
+endif(_OPENCL_CPP_INCLUDE_DIRS)
+
+include(FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args(OpenCL 
+    REQUIRED_VARS
+        OPENCL_LIBRARIES 
+        OPENCL_INCLUDE_DIRS
+    VERSION_VAR
+        OPENCL_VERSION
+)
+
+mark_as_advanced( OPENCL_INCLUDE_DIRS )