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342 lines
13 KiB
342 lines
13 KiB
#*****************************************************************************
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# Copyright 2020 NVIDIA Corporation. All rights reserved.
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#*****************************************************************************
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include_guard(GLOBAL)
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# -------------------------------------------------------------------------------------------------
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# function that copies a list of files into the target directory
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#
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# target_copy_to_output_dir(TARGET foo
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# [RELATIVE <path_prefix>] # allows to keep the folder structure starting from this level
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# FILES <absolute_file_path> [<absolute_file_path>]
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# )
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#
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function(target_copy_to_output_dir)
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set(options)
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set(oneValueArgs TARGET RELATIVE DEST_SUBFOLDER)
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set(multiValueArgs FILES)
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cmake_parse_arguments(TARGET_COPY_TO_OUTPUT_DIR "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN} )
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foreach(_ELEMENT ${TARGET_COPY_TO_OUTPUT_DIR_FILES} )
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# handle absolute and relative paths
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if(TARGET_COPY_TO_OUTPUT_DIR_RELATIVE)
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set(_SOURCE_FILE ${TARGET_COPY_TO_OUTPUT_DIR_RELATIVE}/${_ELEMENT})
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set(_FOLDER_PATH ${_ELEMENT})
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else()
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set(_SOURCE_FILE ${_ELEMENT})
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get_filename_component(_FOLDER_PATH ${_ELEMENT} NAME)
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set (_ELEMENT "")
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endif()
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# handle directories and files slightly different
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if(IS_DIRECTORY ${_SOURCE_FILE})
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if(MDL_LOG_FILE_DEPENDENCIES)
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MESSAGE(STATUS "- folder to copy: ${_SOURCE_FILE}")
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endif()
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add_custom_command(
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TARGET ${TARGET_COPY_TO_OUTPUT_DIR_TARGET} POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E copy_directory ${_SOURCE_FILE} $<TARGET_FILE_DIR:${TARGET_COPY_TO_OUTPUT_DIR_TARGET}>/${TARGET_COPY_TO_OUTPUT_DIR_DEST_SUBFOLDER}${_FOLDER_PATH}
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)
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else()
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if(MDL_LOG_FILE_DEPENDENCIES)
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MESSAGE(STATUS "- file to copy: ${_SOURCE_FILE}")
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endif()
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add_custom_command(
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TARGET ${TARGET_COPY_TO_OUTPUT_DIR_TARGET} POST_BUILD
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COMMAND ${CMAKE_COMMAND} -E copy_if_different ${_SOURCE_FILE} $<TARGET_FILE_DIR:${TARGET_COPY_TO_OUTPUT_DIR_TARGET}>/${TARGET_COPY_TO_OUTPUT_DIR_DEST_SUBFOLDER}${_ELEMENT}
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)
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endif()
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endforeach()
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endfunction()
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#------------------------------------------------------------------------------------
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# Downloading the URL to FILENAME and extract its content if EXTRACT option is present
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# ZIP files should have a folder of the name of the archive
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# - ex. foo.zip -> foo/<data>
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# Arguements
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# FILENAMES : all filenames to download
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# EXTRACT : if present, will extract the content of the file
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# NOINSTALL : if present, will not make files part of install
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# INSTALL_DIR : folder for the 'install' build, default is 'media' next to the executable
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# TARGET_DIR : folder where to download to, default is {DOWNLOAD_TARGET_DIR}
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# SOURCE_DIR : folder on server, if not present 'scenes'
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#
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# Examples:
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# download_files(FILENAMES sample1.zip EXTRACT)
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# download_files(FILENAMES env.hdr)
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# download_files(FILENAMES zlib.zip EXTRACT TARGET_DIR ${BASE_DIRECTORY}/blah SOURCE_DIR libraries NOINSTALL)
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#
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function(download_files)
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set(options EXTRACT NOINSTALL)
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set(oneValueArgs INSTALL_DIR SOURCE_DIR TARGET_DIR)
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set(multiValueArgs FILENAMES)
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cmake_parse_arguments(DOWNLOAD_FILES "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN} )
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if(NOT DEFINED DOWNLOAD_FILES_INSTALL_DIR)
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set(DOWNLOAD_FILES_INSTALL_DIR "media")
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endif()
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if(NOT DEFINED DOWNLOAD_FILES_SOURCE_DIR)
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set(DOWNLOAD_FILES_SOURCE_DIR "")
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endif()
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if(NOT DEFINED DOWNLOAD_FILES_TARGET_DIR)
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set(DOWNLOAD_FILES_TARGET_DIR ${DOWNLOAD_TARGET_DIR})
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endif()
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# Check each file to download
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foreach(FILENAME ${DOWNLOAD_FILES_FILENAMES})
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set(TARGET_FILENAME ${DOWNLOAD_FILES_TARGET_DIR}/${FILENAME})
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if(NOT EXISTS ${TARGET_FILENAME})
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message(STATUS "Downloading ${DOWNLOAD_SITE}/${FILENAME} to ${TARGET_FILENAME}")
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file(DOWNLOAD ${DOWNLOAD_SITE}${DOWNLOAD_FILES_SOURCE_DIR}/${FILENAME} ${TARGET_FILENAME} SHOW_PROGRESS)
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# Extracting the ZIP file
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if(DOWNLOAD_FILES_EXTRACT)
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execute_process(COMMAND ${CMAKE_COMMAND} -E tar -xf ${TARGET_FILENAME}
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WORKING_DIRECTORY ${DOWNLOAD_FILES_TARGET_DIR})
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# ARCHIVE_EXTRACT needs CMake 3.18+
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# file(ARCHIVE_EXTRACT INPUT ${TARGET_FILENAME}
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# DESTINATION ${DOWNLOAD_FILES_TARGET_DIR})
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endif()
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endif()
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# Installing the files or directory
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if (NOT DOWNLOAD_FILES_NOINSTALL)
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if(DOWNLOAD_FILES_EXTRACT)
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get_filename_component(FILE_DIR ${FILENAME} NAME_WE)
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install(DIRECTORY ${DOWNLOAD_FILES_TARGET_DIR}/${FILE_DIR} CONFIGURATIONS Release DESTINATION "bin_${ARCH}/${DOWNLOAD_FILES_INSTALL_DIR}")
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install(DIRECTORY ${DOWNLOAD_FILES_TARGET_DIR}/${FILE_DIR} CONFIGURATIONS Debug DESTINATION "bin_${ARCH}_debug/${DOWNLOAD_FILES_INSTALL_DIR}")
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else()
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install(FILES ${TARGET_FILENAME} CONFIGURATIONS Release DESTINATION "bin_${ARCH}/${DOWNLOAD_FILES_INSTALL_DIR}")
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install(FILES ${TARGET_FILENAME} CONFIGURATIONS Debug DESTINATION "bin_${ARCH}_debug/${DOWNLOAD_FILES_INSTALL_DIR}")
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endif()
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endif()
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endforeach()
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endfunction()
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#------------------------------------------------------------------------------------
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# Find dependencies for GLSL files (#include ...)
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# Call 'glslc -M' to find all dependencies of the file and return the list
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# in GLSL_DEPENDENCY
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#
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function(get_glsl_dependencies )
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cmake_parse_arguments(GGD "" "SRC" "FLAGS" ${ARGN} )
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get_filename_component(FILE_NAME ${GGD_SRC} NAME)
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get_filename_component(DIR_NAME ${GGD_SRC} DIRECTORY)
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# glslc has a bug where it won't quote paths with spaces
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# As a workaround, assume all paths are absolute and separate based on matching the root path
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# Include any added include paths in case they are on different windows drives
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set(INCLUDE_PATHS ${GGD_FLAGS})
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list(FILTER INCLUDE_PATHS INCLUDE REGEX "-I.*")
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list(TRANSFORM INCLUDE_PATHS REPLACE "-I" "")
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list(APPEND INCLUDE_PATHS ${DIR_NAME})
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set(INCLUDE_ROOTS)
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foreach(INCLUDE_PATH ${INCLUDE_PATHS})
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if(${CMAKE_VERSION} VERSION_LESS "3.20.0")
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string(REGEX MATCH "^([A-Za-z]:)?/" INCLUDE_ROOT ${INCLUDE_PATH})
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else()
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cmake_path(GET INCLUDE_PATH ROOT_PATH INCLUDE_ROOT)
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endif()
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list(APPEND INCLUDE_ROOTS ${INCLUDE_ROOT})
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endforeach()
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list(REMOVE_DUPLICATES INCLUDE_ROOTS)
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message(STATUS " - Find dependencies for ${FILE_NAME}")
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#message(STATUS "calling : ${GLSLC} ${GGD_FLAGS} -M ${GGD_SRC} OUTPUT_VARIABLE DEP RESULT_VARIABLE RES")
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execute_process(COMMAND ${GLSLC} ${GGD_FLAGS} -M ${GGD_SRC} OUTPUT_VARIABLE DEP RESULT_VARIABLE RES )
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if(RES EQUAL 0)
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# Removing "name.spv: "
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string(REGEX REPLACE "[^:]*: " "" DEP ${DEP})
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# The command line may end with newlines. This breaks the Ninja generator on
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# CMake 3.16.2 (fixed as of 3.24.1). As a workaround, remove trailing newlines.
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string(REGEX REPLACE "[\r\n]+$" "" DEP ${DEP})
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# Splitting each root with a ';'. On linux this is just ' /' -> ';/'.
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foreach(ROOT ${INCLUDE_ROOTS})
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string(REPLACE " ${ROOT}" ";${ROOT}" DEP ${DEP})
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endforeach()
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set(GLSL_DEPENDENCY ${DEP} PARENT_SCOPE)
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endif()
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endfunction()
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#------------------------------------------------------------------------------------
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# Function to compile all GLSL source files to Spir-V
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#
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# SOURCE_FILES : List of sources to compile
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# HEADER_FILES : List of dependency header files
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# DST : The destination directory (need to be absolute)
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# VULKAN_TARGET : to define the vulkan target i.e vulkan1.2 (default vulkan1.1)
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# HEADER ON: if ON, will generate headers instead of binary Spir-V files
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# DEPENDENCY : ON|OFF will create the list of dependencies for the GLSL source file
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# FLAGS: List of compile flags
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#
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# compile_glsl(
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# SOURCES_FILES foo.vert foo.frag
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# DST ${CMAKE_CURRENT_SOURCE_DIR}/shaders
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# FLAGS -g0
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# )
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function(compile_glsl)
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set(oneValueArgs DST VULKAN_TARGET HEADER DEPENDENCY)
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set(multiValueArgs SOURCE_FILES HEADER_FILES FLAGS)
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cmake_parse_arguments(COMPILE "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN} )
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# Check if the GLSL compiler is present
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if(NOT GLSLANGVALIDATOR)
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message(ERROR "Could not find GLSLANGVALIDATOR to compile shaders")
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return()
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endif()
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# By default use Vulkan 1.1
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if(NOT DEFINED COMPILE_VULKAN_TARGET)
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set(COMPILE_VULKAN_TARGET vulkan1.1)
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endif()
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# If destination is not present, same as source
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if(NOT DEFINED COMPILE_DST)
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message(ERROR " --- DST not defined")
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return()
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endif()
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# Make the output directory if needed
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file(MAKE_DIRECTORY ${COMPILE_DST})
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# If no flag set -g (debug)
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if(NOT DEFINED COMPILE_FLAGS)
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set(COMPILE_FLAGS -g)
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endif()
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# Compiling all GLSL sources
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foreach(GLSL_SRC ${COMPILE_SOURCE_FILES})
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# Find the dependency files for the GLSL source
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# or use all headers as dependencies.
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if(COMPILE_DEPENDENCY)
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get_glsl_dependencies(SRC ${GLSL_SRC} FLAGS ${COMPILE_FLAGS})
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else()
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set(GLSL_DEPENDENCY ${HEADER_FILES})
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endif()
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# Default compiler command, always adding debug information (Add and option to opt-out?)
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set(COMPILE_CMD ${COMPILE_FLAGS} --target-env ${COMPILE_VULKAN_TARGET})
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# Compilation to headers need a variable name, the output will be a .h
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get_filename_component(FILE_NAME ${GLSL_SRC} NAME)
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if(COMPILE_HEADER)
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STRING(REPLACE "." "_" VAR_NAME ${FILE_NAME}) # Name of the variable in the header
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list(APPEND COMPILE_CMD --vn ${VAR_NAME})
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set(GLSL_OUT "${COMPILE_DST}/${FILE_NAME}.h")
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else()
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set(GLSL_OUT "${COMPILE_DST}/${FILE_NAME}.spv")
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list(APPEND _SPVS ${GLSL_OUT})
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endif()
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# Appending the output name and the file source
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list(APPEND COMPILE_CMD -o ${GLSL_OUT} ${GLSL_SRC} )
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# The custom command is added to the build system, check for the presence of the output
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# but also for changes done in GLSL headers
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add_custom_command(
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PRE_BUILD
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OUTPUT ${GLSL_OUT}
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COMMAND echo ${GLSLANGVALIDATOR} ${COMPILE_CMD}
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COMMAND ${GLSLANGVALIDATOR} ${COMPILE_CMD}
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MAIN_DEPENDENCY ${GLSL_SRC}
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WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
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DEPENDS ${GLSL_DEPENDENCY}
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)
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endforeach()
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# Setting OUT variables
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set(GLSL_SOURCES ${COMPILE_SOURCE_FILES} PARENT_SCOPE)
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set(GLSL_HEADERS ${COMPILE_HEADER_FILES} PARENT_SCOPE)
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set(SPV_OUTPUT ${_SPVS} PARENT_SCOPE)
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endfunction()
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#------------------------------------------------------------------------------------
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# Function to compile all GLSL files from a source to Spir-V
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# The sources are all .vert, .frag, .r* and the headers for the source are .glsl and .h
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# This allows to modify one of the header and getting the sources recompiled.
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#
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# SRC : The directory source of the shaders
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# DST : The destination directory (need to be absolute)
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# VULKAN_TARGET : to define the vulkan target i.e vulkan1.2 (default vulkan1.1)
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# HEADER ON: if present, will generate headers instead of binary Spir-V files
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# DEPENDENCY : ON|OFF will create the list of dependencies for the GLSL source file
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# FLAGS : other glslValidator flags
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#
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# compile_glsl_directory(
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# SRC "${CMAKE_CURRENT_SOURCE_DIR}/shaders"
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# DST "${CMAKE_CURRENT_SOURCE_DIR}/autogen"
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# VULKAN_TARGET "vulkan1.2"
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# HEADER ON
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# )
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#
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function(compile_glsl_directory)
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set(oneValueArgs SRC DST VULKAN_TARGET HEADER DEPENDENCY FLAGS)
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set(multiValueArgs)
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cmake_parse_arguments(COMPILE "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN} )
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# Collecting all source files
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file(GLOB GLSL_SOURCE_FILES
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"${COMPILE_SRC}/*.comp" # Compute
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"${COMPILE_SRC}/*.frag" # Fragment
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"${COMPILE_SRC}/*.geom" # Geometry
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"${COMPILE_SRC}/*.mesh" # Mesh
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"${COMPILE_SRC}/*.rahit" # Ray any hit
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"${COMPILE_SRC}/*.rcall" # Ray callable
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"${COMPILE_SRC}/*.rchit" # Ray closest hit
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"${COMPILE_SRC}/*.rgen" # Ray generation
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"${COMPILE_SRC}/*.rint" # Ray intersection
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"${COMPILE_SRC}/*.rmiss" # Ray miss
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"${COMPILE_SRC}/*.task" # Task
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"${COMPILE_SRC}/*.tesc" # Tessellation control
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"${COMPILE_SRC}/*.tese" # Tessellation evaluation
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"${COMPILE_SRC}/*.vert" # Vertex
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)
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# Collecting headers for dependencies
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file(GLOB GLSL_HEADER_FILES
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"${COMPILE_SRC}/*.glsl" # Auto detect - used for header
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"${COMPILE_SRC}/*.h"
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)
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# By default use Vulkan 1.1
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if(NOT DEFINED COMPILE_VULKAN_TARGET)
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set(COMPILE_VULKAN_TARGET vulkan1.1)
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endif()
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# If destination is not present, same as source
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if(NOT DEFINED COMPILE_DST)
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set(COMPILE_DST ${COMPILE_SRC})
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endif()
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# If no flag set -g (debug)
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if(NOT DEFINED COMPILE_FLAGS)
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set(COMPILE_FLAGS -g)
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endif()
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# Compiling all GLSL
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compile_glsl(SOURCE_FILES ${GLSL_SOURCE_FILES}
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HEADER_FILES ${GLSL_HEADER_FILES}
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DST ${COMPILE_DST}
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VULKAN_TARGET ${COMPILE_VULKAN_TARGET}
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HEADER ${COMPILE_HEADER}
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DEPENDENCY ${COMPILE_DEPENDENCY}
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FLAGS ${COMPILE_FLAGS}
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)
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# Setting OUT variables
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set(GLSL_SOURCES ${GLSL_SOURCE_FILES} PARENT_SCOPE)
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set(GLSL_HEADERS ${GLSL_HEADER_FILES} PARENT_SCOPE)
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set(SPV_OUTPUT ${SPV_OUTPUT} PARENT_SCOPE) # propagate value set in compile_glsl
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endfunction()
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