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if (NOT EXISTS "${CL_DIR}")
message(FATAL_ERROR "Specified wrong OpenCL kernels directory: ${CL_DIR}")
endif()
file(GLOB cl_list "${CL_DIR}/*.cl" )
list(SORT cl_list)
if (NOT cl_list)
message(FATAL_ERROR "Can't find OpenCL kernels in directory: ${CL_DIR}")
endif()
string(REPLACE ".cpp" ".hpp" OUTPUT_HPP "${OUTPUT}")
get_filename_component(OUTPUT_HPP_NAME "${OUTPUT_HPP}" NAME)
if("${MODULE_NAME}" STREQUAL "ocl")
set(nested_namespace_start "")
set(nested_namespace_end "")
else()
set(new_mode ON)
set(nested_namespace_start "namespace ${MODULE_NAME}\n{")
set(nested_namespace_end "}")
endif()
set(STR_CPP "// This file is auto-generated. Do not edit!
#include \"precomp.hpp\"
#include \"cvconfig.h\"
#include \"${OUTPUT_HPP_NAME}\"
#ifdef HAVE_OPENCL
namespace cv
{
namespace ocl
{
${nested_namespace_start}
")
set(STR_HPP "// This file is auto-generated. Do not edit!
#include \"opencv2/core/ocl.hpp\"
#include \"opencv2/core/ocl_genbase.hpp\"
#include \"opencv2/core/opencl/ocl_defs.hpp\"
#ifdef HAVE_OPENCL
namespace cv
{
namespace ocl
{
${nested_namespace_start}
")
foreach(cl ${cl_list})
get_filename_component(cl_filename "${cl}" NAME_WE)
#message("${cl_filename}")
file(READ "${cl}" lines)
string(REPLACE "\r" "" lines "${lines}\n")
string(REPLACE "\t" " " lines "${lines}")
string(REGEX REPLACE "/\\*([^*]/|\\*[^/]|[^*/])*\\*/" "" lines "${lines}") # multiline comments
string(REGEX REPLACE "/\\*([^\n])*\\*/" "" lines "${lines}") # single-line comments
string(REGEX REPLACE "[ ]*//[^\n]*\n" "\n" lines "${lines}") # single-line comments
string(REGEX REPLACE "\n[ ]*(\n[ ]*)*" "\n" lines "${lines}") # empty lines & leading whitespace
string(REGEX REPLACE "^\n" "" lines "${lines}") # leading new line
string(REPLACE "\\" "\\\\" lines "${lines}")
string(REPLACE "\"" "\\\"" lines "${lines}")
string(REPLACE "\n" "\\n\"\n\"" lines "${lines}")
string(REGEX REPLACE "\"$" "" lines "${lines}") # unneeded " at the eof
string(MD5 hash "${lines}")
set(STR_CPP_DECL "const struct ProgramEntry ${cl_filename}={\"${cl_filename}\",\n\"${lines}, \"${hash}\"};\n")
set(STR_HPP_DECL "extern const struct ProgramEntry ${cl_filename};\n")
if(new_mode)
set(STR_CPP_DECL "${STR_CPP_DECL}ProgramSource ${cl_filename}_oclsrc(${cl_filename}.programStr);\n")
set(STR_HPP_DECL "${STR_HPP_DECL}extern ProgramSource ${cl_filename}_oclsrc;\n")
endif()
set(STR_CPP "${STR_CPP}${STR_CPP_DECL}")
set(STR_HPP "${STR_HPP}${STR_HPP_DECL}")
endforeach()
set(STR_CPP "${STR_CPP}}\n${nested_namespace_end}}\n#endif\n")
set(STR_HPP "${STR_HPP}}\n${nested_namespace_end}}\n#endif\n")
file(WRITE "${OUTPUT}" "${STR_CPP}")
if(EXISTS "${OUTPUT_HPP}")
file(READ "${OUTPUT_HPP}" hpp_lines)
endif()
if("${hpp_lines}" STREQUAL "${STR_HPP}")
message(STATUS "${OUTPUT_HPP} contains same content")
else()
file(WRITE "${OUTPUT_HPP}" "${STR_HPP}")
endif()
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