77 lines
1.5 KiB
CMake
77 lines
1.5 KiB
CMake
file( READ ${SOURCE} SOURCE_TEXT )
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file( SIZE ${SOURCE} SOURCE_FILESIZE )
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set( MAX_BYTES_PER_LITERAL 16000 )
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math(EXPR NUMBER_LITERALS "${SOURCE_FILESIZE}/${MAX_BYTES_PER_LITERAL}")
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set( outCppTextStdString "std::string ${OUTVARNAME} = ")
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set( outCppText
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"
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#include <string>
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#include <${OUTHEADERFILE}>
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namespace KIGFX {
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namespace BUILTIN_SHADERS {
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")
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MATH(EXPR LAST_LITERAL_ITER "${NUMBER_LITERALS}-1")
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foreach(LITERAL_ITER RANGE 0 ${NUMBER_LITERALS} 1)
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set( CHUNK_TEXT "" )
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MATH(EXPR TEXT_OFFSET "${LITERAL_ITER}*${MAX_BYTES_PER_LITERAL}")
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string(SUBSTRING "${SOURCE_TEXT}" ${TEXT_OFFSET} ${MAX_BYTES_PER_LITERAL} CHUNK_TEXT)
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set( outCppText
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"
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${outCppText}
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const char ${OUTVARNAME}_p${LITERAL_ITER}[] = R\"SHADER_SOURCE(
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${CHUNK_TEXT}
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)SHADER_SOURCE\";
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" )
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set( outCppTextStdString "${outCppTextStdString} std::string(${OUTVARNAME}_p${LITERAL_ITER})")
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if( ${LITERAL_ITER} LESS_EQUAL ${LAST_LITERAL_ITER})
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set( outCppTextStdString " ${outCppTextStdString} +")
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endif()
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endforeach()
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set( outCppTextStdString "${outCppTextStdString};")
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set( outCppText
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"
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${outCppText}
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${outCppTextStdString}
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}
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}
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" )
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file(
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WRITE ${DESTINATION_SOURCE_DIR}/${OUTCPPFILE}
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"${outCppText}"
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)
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set( outHeaderText
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"namespace KIGFX {
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namespace BUILTIN_SHADERS {
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extern std::string ${OUTVARNAME};
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}
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}"
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)
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file(
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WRITE ${DESTINATION_HEADER_DIR}/${OUTHEADERFILE}
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"${outHeaderText}"
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)
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message(STATUS "Shader ${SOURCE} converted to ${DESTINATION_SOURCE_DIR}/${OUTCPPFILE}") |