39 lines
2.1 KiB
CMake
39 lines
2.1 KiB
CMake
function(vulkan_compile_shader)
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find_program(GLS_LANG_VALIDATOR_PATH NAMES glslangValidator)
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if(${GLS_LANG_VALIDATOR_PATH})
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message(FATAL_ERROR "glslangValidator not found.")
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return()
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endif()
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cmake_parse_arguments(SHADER_COMPILE "" "INFILE;OUTFILE;NAMESPACE" "" ${ARGN})
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set(SHADER_COMPILE_INFILE_FULL "${CMAKE_CURRENT_SOURCE_DIR}/${SHADER_COMPILE_INFILE}")
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set(SHADER_COMPILE_SPV_FILE_FULL "${CMAKE_CURRENT_BINARY_DIR}/${SHADER_COMPILE_INFILE}.spv")
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set(SHADER_COMPILE_HEADER_FILE_FULL "${CMAKE_CURRENT_BINARY_DIR}/${SHADER_COMPILE_OUTFILE}")
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# .comp -> .spv
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add_custom_command(OUTPUT "${SHADER_COMPILE_SPV_FILE_FULL}"
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COMMAND "${GLS_LANG_VALIDATOR_PATH}"
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ARGS "-V"
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"${SHADER_COMPILE_INFILE_FULL}"
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"-o"
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"${SHADER_COMPILE_SPV_FILE_FULL}"
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COMMENT "Compile vulkan compute shader from file '${SHADER_COMPILE_INFILE_FULL}' to '${SHADER_COMPILE_SPV_FILE_FULL}'."
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MAIN_DEPENDENCY "${SHADER_COMPILE_INFILE_FULL}")
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# Check if big or little endian
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include (TestBigEndian)
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TEST_BIG_ENDIAN(IS_BIG_ENDIAN)
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# .spv -> .hpp
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add_custom_command(OUTPUT "${SHADER_COMPILE_HEADER_FILE_FULL}"
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COMMAND ${CMAKE_COMMAND}
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ARGS "-DINPUT_SHADER_FILE=${SHADER_COMPILE_SPV_FILE_FULL}"
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"-DOUTPUT_HEADER_FILE=${SHADER_COMPILE_HEADER_FILE_FULL}"
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"-DHEADER_NAMESPACE=${SHADER_COMPILE_NAMESPACE}"
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"-DIS_BIG_ENDIAN=${IS_BIG_ENDIAN}"
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"-P"
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"${CMAKE_SOURCE_DIR}/cmake/bin_file_to_header.cmake"
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WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}/cmake"
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COMMENT "Converting compiled shader '${SHADER_COMPILE_SPV_FILE_FULL}' to header file '${SHADER_COMPILE_HEADER_FILE_FULL}'."
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MAIN_DEPENDENCY "${SHADER_COMPILE_SPV_FILE_FULL}")
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endfunction()
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