qt-everywhere-src-5.15.1/qtdeclarative/features/hlsl_bytecode_header.prf

for (SHADER, HLSL_SHADERS) {
    INPUT = $$eval($${SHADER}.input)
    fxc_$${SHADER}.input = $$INPUT
    fxc_$${SHADER}.commands = fxc.exe /nologo /E $$eval($${SHADER}.entry) /T $$eval($${SHADER}.type) /Fh ${QMAKE_FILE_OUT} ${QMAKE_FILE_NAME}
    fxc_$${SHADER}.output = $$eval($${SHADER}.header)
    fxc_$${SHADER}.dependency_type = TYPE_C
    fxc_$${SHADER}.variable_out = HEADERS
    fxc_$${SHADER}.CONFIG += target_predeps
    QMAKE_EXTRA_COMPILERS += fxc_$${SHADER}
}