mirror of
https://github.com/scp-fs2open/fs2open.github.com.git
synced 2026-11-10 04:31:34 -10:00
asarium
059e149590
This system adds the code necessary for letting content creators specify complex events by specifying a simple, program-like sequence of operations that will be executed by the engine when a certain event is triggered.
85 lines
2.9 KiB
CMake
85 lines
2.9 KiB
CMake
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find_program(GLSLC_PATH glslc)
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# Add an option for this so that this can be disabled locally when not needed
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option(SHADERS_ENABLE_COMPILATION "Enable compilation of shaders to SPIR-V" OFF)
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mark_as_advanced(SHADERS_ENABLE_COMPILATION)
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if (SHADERS_ENABLE_COMPILATION AND GLSLC_PATH)
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if(PLATFORM_WINDOWS)
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set(SHADERTOOL_FILENAME "shadertool-windows.tar.gz")
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elseif(PLATFORM_LINUX)
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set(SHADERTOOL_FILENAME "shadertool-linux.tar.gz")
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else()
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# Platform not supported for compiling shaders
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message("Found glslc program but platform has no shadertool binaries. Not doing shader compilation...")
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return()
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endif()
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# The existence of glslc indicated whether we can compile our shaders or not
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message(STATUS "Found glslc program. Shaders will be compiled during the build.")
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set(SHADERTOOL_VERSION "v1.0")
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set(SHADERTOOL_DIR "${CMAKE_CURRENT_BINARY_DIR}/shadertool/${SHADERTOOL_VERSION}")
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# Download correct shadertool version if we do not have it already
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if (NOT IS_DIRECTORY "${SHADERTOOL_DIR}")
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set(DOWNLOAD_URL "https://github.com/scp-fs2open/fso-shadertool/releases/download/${SHADERTOOL_VERSION}/${SHADERTOOL_FILENAME}")
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set(DOWNLOAD_FILE "${CMAKE_CURRENT_BINARY_DIR}/${SHADERTOOL_FILENAME}")
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set(MAX_RETRIES 5)
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foreach(i RANGE 1 ${MAX_RETRIES})
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if (NOT (i EQUAL 1))
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message(STATUS "Retry after 5 seconds (attempt #${i}) ...")
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execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep "5")
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endif()
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message(STATUS "Downloading shadertool binaries from \"${DOWNLOAD_URL}\" (try ${i}/${MAX_RETRIES})")
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file(DOWNLOAD "${DOWNLOAD_URL}" "${DOWNLOAD_FILE}" SHOW_PROGRESS TLS_VERIFY ON STATUS DOWNLOAD_STATUS_LIST)
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list(GET DOWNLOAD_STATUS_LIST 0 DOWNLOAD_STATUS)
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list(GET DOWNLOAD_STATUS_LIST 1 DOWNLOAD_ERROR)
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if (DOWNLOAD_STATUS EQUAL 0)
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break()
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endif()
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message(STATUS "Download of shadertool binaries failed: ${DOWNLOAD_ERROR}!")
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endforeach()
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if (NOT (DOWNLOAD_STATUS EQUAL 0))
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message(FATAL_ERROR "${MAX_RETRIES} download attempts failed!")
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return()
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endif()
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# Make sure the directory exists
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file(MAKE_DIRECTORY "${SHADERTOOL_DIR}")
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# Extract the downloaded file
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message(STATUS "Extracting shadertool package...")
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execute_process(
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COMMAND ${CMAKE_COMMAND} -E tar xzf "${DOWNLOAD_FILE}"
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WORKING_DIRECTORY "${SHADERTOOL_DIR}"
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RESULT_VARIABLE EXTRACT_RESULT
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ERROR_VARIABLE ERROR_TEXT
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)
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if (NOT (EXTRACT_RESULT EQUAL 0))
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message(FATAL_ERROR "Extracting shadertool binaries failed! Error message: ${ERROR_TEXT}")
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return()
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endif()
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file(REMOVE "${DOWNLOAD_FILE}")
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endif()
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add_executable(glslc IMPORTED GLOBAL)
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set_target_properties(glslc PROPERTIES IMPORTED_LOCATION "${GLSLC_PATH}")
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# Just use CMake for finding the shadertool binaries to avoid platform specific code here
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find_program(SHADERTOOL_PATH shadertool
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PATHS "${SHADERTOOL_DIR}/bin"
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NO_DEFAULT_PATH)
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add_executable(shadertool IMPORTED GLOBAL)
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set_target_properties(shadertool PROPERTIES IMPORTED_LOCATION "${SHADERTOOL_PATH}")
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endif ()
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