101 lines
4.0 KiB
CMake
101 lines
4.0 KiB
CMake
# Suppress all warnings from third-party projects.
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set_property(DIRECTORY APPEND PROPERTY COMPILE_OPTIONS -w)
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set(SHADERC_THIRD_PARTY_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}" CACHE STRING
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"Root location of all third_party projects")
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set(SHADERC_GOOGLE_TEST_DIR "${SHADERC_THIRD_PARTY_ROOT_DIR}/googletest" CACHE STRING
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"Location of googletest source")
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set(SHADERC_SPIRV_TOOLS_DIR "${SHADERC_THIRD_PARTY_ROOT_DIR}/spirv-tools" CACHE STRING
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"Location of spirv-tools source")
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set(SHADERC_SPIRV_HEADERS_DIR "${SHADERC_THIRD_PARTY_ROOT_DIR}/spirv-headers" CACHE STRING
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"Location of spirv-headers source")
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set(SHADERC_GLSLANG_DIR "${SHADERC_THIRD_PARTY_ROOT_DIR}/glslang" CACHE STRING
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"Location of glslang source")
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set(SHADERC_EFFCEE_DIR "${SHADERC_THIRD_PARTY_ROOT_DIR}/effcee" CACHE STRING
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"Location of effcee source")
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set(SHADERC_RE2_DIR "${SHADERC_THIRD_PARTY_ROOT_DIR}/re2" CACHE STRING
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"Location of re2 source")
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set(SHADERC_TINT_DIR "${SHADERC_THIRD_PARTY_ROOT_DIR}/tint" CACHE STRING
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"Location of tint source")
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set( SKIP_GLSLANG_INSTALL ${SHADERC_SKIP_INSTALL} )
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set( SKIP_SPIRV_TOOLS_INSTALL ${SHADERC_SKIP_INSTALL} )
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set( SKIP_GOOGLETEST_INSTALL ${SHADERC_SKIP_INSTALL} )
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# Configure third party projects.
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if(${SHADERC_ENABLE_TESTS})
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if (IS_DIRECTORY ${SHADERC_GOOGLE_TEST_DIR})
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add_subdirectory(${SHADERC_GOOGLE_TEST_DIR} googletest)
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endif()
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if (NOT TARGET gmock)
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message(FATAL_ERROR "gmock was not found - required for tests")
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endif()
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endif()
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set(OLD_PLATFORM_TOOLSET ${CMAKE_GENERATOR_TOOLSET})
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check_cxx_compiler_flag(-fPIC COMPILER_SUPPORTS_PIC)
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if (IS_DIRECTORY ${SHADERC_SPIRV_HEADERS_DIR})
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set(SPIRV_HEADERS_SKIP_EXAMPLES ON)
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add_subdirectory(${SHADERC_SPIRV_HEADERS_DIR} spirv-headers)
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endif()
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if (NOT TARGET SPIRV-Tools)
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# Check SPIRV-Tools before glslang so that it is linked into glslang.
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# we control optimizations via glslang API calls directly.
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if (IS_DIRECTORY ${SHADERC_SPIRV_TOOLS_DIR})
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if ("${SHADERC_SKIP_TESTS}")
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# Also skip building tests in SPIRV-Tools.
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set(SPIRV_SKIP_TESTS ON CACHE BOOL "Skip building SPIRV-Tools tests")
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elseif(NOT "${SPIRV_SKIP_TESTS}")
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# SPIRV-Tools requires effcee and re2 to build tests.
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# re2 tests take a long time and do not add much value, since re2 is a
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# dependency of a dependency, so not running them.
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set(RE2_BUILD_TESTING OFF CACHE STRING "Run RE2 Tests")
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add_subdirectory(${SHADERC_RE2_DIR} re2)
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add_subdirectory(${SHADERC_EFFCEE_DIR} effcee)
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endif()
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add_subdirectory(${SHADERC_SPIRV_TOOLS_DIR} spirv-tools)
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endif()
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if (NOT TARGET SPIRV-Tools)
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message(FATAL_ERROR "SPIRV-Tools was not found - required for compilation")
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endif()
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endif()
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if (NOT TARGET glslang)
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if (IS_DIRECTORY ${SHADERC_GLSLANG_DIR})
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add_subdirectory(${SHADERC_GLSLANG_DIR} glslang)
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endif()
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if (NOT TARGET glslang)
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message(FATAL_ERROR "glslang was not found - required for compilation")
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endif()
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if(WIN32)
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# This is unfortunate but glslang forces our
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# platform toolset to be v110, which we may not even have
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# installed, undo anything glslang has done to it.
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set(CMAKE_GENERATOR_TOOLSET "${OLD_PLATFORM_TOOLSET}" CACHE STRING
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"Platform Toolset" FORCE)
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endif()
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endif()
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if (SHADERC_ENABLE_WGSL_OUTPUT)
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# Use Google Tint for WGSL output.
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if (NOT TARGET libtint)
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if (IS_DIRECTORY ${SHADERC_TINT_DIR})
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if (NOT IS_DIRECTORY ${SHADERC_TINT_DIR}/out/docs)
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# The Tint Doxygen configuration assumes it can write to the out/docs
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# source directory.
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message(STATUS "Tint source directory out/docs does not exist. Disabling doc generation")
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set(TINT_BUILD_DOCS OFF)
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endif()
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set(TINT_BUILD_SPV_READER ON CACHE BOOL "Built Tint SPIR-V reader" FORCE)
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set(TINT_BUILD_WGSL_WRITER ON CACHE BOOL "Build Tint WGSL writer" FORCE)
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add_subdirectory(${SHADERC_TINT_DIR} tint)
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endif()
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endif()
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if (NOT TARGET libtint)
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message(FATAL_ERROR "Tint was not found - required for WGSL output")
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endif()
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endif (SHADERC_ENABLE_WGSL_OUTPUT)
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