1 if (NOT EXISTS "${CL_DIR}")
2 message(FATAL_ERROR "Specified wrong OpenCL kernels directory: ${CL_DIR}")
5 file(GLOB cl_list "${CL_DIR}/*.cl" )
9 message(FATAL_ERROR "Can't find OpenCL kernels in directory: ${CL_DIR}")
12 string(REPLACE ".cpp" ".hpp" OUTPUT_HPP "${OUTPUT}")
13 get_filename_component(OUTPUT_HPP_NAME "${OUTPUT_HPP}" NAME)
15 if("${MODULE_NAME}" STREQUAL "ocl")
16 set(nested_namespace_start "")
17 set(nested_namespace_end "")
20 set(nested_namespace_start "namespace ${MODULE_NAME}\n{")
21 set(nested_namespace_end "}")
24 set(STR_CPP "// This file is auto-generated. Do not edit!
26 #include \"precomp.hpp\"
27 #include \"${OUTPUT_HPP_NAME}\"
35 ${nested_namespace_start}
39 set(STR_HPP "// This file is auto-generated. Do not edit!
41 #include \"opencv2/core/ocl.hpp\"
42 #include \"opencv2/core/ocl_genbase.hpp\"
43 #include \"opencv2/core/opencl/ocl_defs.hpp\"
51 ${nested_namespace_start}
55 foreach(cl ${cl_list})
56 get_filename_component(cl_filename "${cl}" NAME_WE)
57 #message("${cl_filename}")
59 file(READ "${cl}" lines)
61 string(REPLACE "\r" "" lines "${lines}\n")
62 string(REPLACE "\t" " " lines "${lines}")
64 string(REGEX REPLACE "/\\*([^*]/|\\*[^/]|[^*/])*\\*/" "" lines "${lines}") # multiline comments
65 string(REGEX REPLACE "/\\*([^\n])*\\*/" "" lines "${lines}") # single-line comments
66 string(REGEX REPLACE "[ ]*//[^\n]*\n" "\n" lines "${lines}") # single-line comments
67 string(REGEX REPLACE "\n[ ]*(\n[ ]*)*" "\n" lines "${lines}") # empty lines & leading whitespace
68 string(REGEX REPLACE "^\n" "" lines "${lines}") # leading new line
70 string(REPLACE "\\" "\\\\" lines "${lines}")
71 string(REPLACE "\"" "\\\"" lines "${lines}")
72 string(REPLACE "\n" "\\n\"\n\"" lines "${lines}")
74 string(REGEX REPLACE "\"$" "" lines "${lines}") # unneeded " at the eof
76 string(MD5 hash "${lines}")
78 set(STR_CPP_DECL "const struct ProgramEntry ${cl_filename}={\"${cl_filename}\",\n\"${lines}, \"${hash}\"};\n")
79 set(STR_HPP_DECL "extern const struct ProgramEntry ${cl_filename};\n")
81 set(STR_CPP_DECL "${STR_CPP_DECL}ProgramSource ${cl_filename}_oclsrc(${cl_filename}.programStr);\n")
82 set(STR_HPP_DECL "${STR_HPP_DECL}extern ProgramSource ${cl_filename}_oclsrc;\n")
85 set(STR_CPP "${STR_CPP}${STR_CPP_DECL}")
86 set(STR_HPP "${STR_HPP}${STR_HPP_DECL}")
89 set(STR_CPP "${STR_CPP}}\n${nested_namespace_end}}\n#endif\n")
90 set(STR_HPP "${STR_HPP}}\n${nested_namespace_end}}\n#endif\n")
92 file(WRITE "${OUTPUT}" "${STR_CPP}")
94 if(EXISTS "${OUTPUT_HPP}")
95 file(READ "${OUTPUT_HPP}" hpp_lines)
97 if("${hpp_lines}" STREQUAL "${STR_HPP}")
98 message(STATUS "${OUTPUT_HPP} contains same content")
100 file(WRITE "${OUTPUT_HPP}" "${STR_HPP}")