25 lines
928 B
CMake
25 lines
928 B
CMake
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# must define SHADER_COMP_HEADER SHADER_SRC
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file(READ ${SHADER_SRC} comp_data)
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# skip leading comment
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string(FIND "${comp_data}" "#version" version_start)
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if(NOT ${version_start} EQUAL -1)
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string(SUBSTRING "${comp_data}" ${version_start} -1 comp_data)
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endif()
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# remove whitespace
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string(REGEX REPLACE "\n +" "\n" comp_data "${comp_data}")
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get_filename_component(SHADER_SRC_NAME_WE ${SHADER_SRC} NAME_WE)
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# text to hex
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file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/${SHADER_SRC_NAME_WE}.text2hex.txt "${comp_data}")
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file(READ ${CMAKE_CURRENT_BINARY_DIR}/${SHADER_SRC_NAME_WE}.text2hex.txt comp_data_hex HEX)
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string(REGEX REPLACE "([0-9a-f][0-9a-f])" "0x\\1," comp_data_hex ${comp_data_hex})
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string(FIND "${comp_data_hex}" "," tail_comma REVERSE)
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string(SUBSTRING "${comp_data_hex}" 0 ${tail_comma} comp_data_hex)
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file(WRITE ${SHADER_COMP_HEADER} "static const char ${SHADER_SRC_NAME_WE}_comp_data[] = {${comp_data_hex}};\n")
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