| # Copyright 2022 The Dawn & Tint Authors |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are met: |
| # |
| # 1. Redistributions of source code must retain the above copyright notice, this |
| # list of conditions and the following disclaimer. |
| # |
| # 2. Redistributions in binary form must reproduce the above copyright notice, |
| # this list of conditions and the following disclaimer in the documentation |
| # and/or other materials provided with the distribution. |
| # |
| # 3. Neither the name of the copyright holder nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| # Don't build testing in third_party dependencies |
| set(BUILD_TESTING OFF) |
| |
| # fetch_dawn_dependencies.py is an alternative to using depot_tools |
| # It is particularly interesting when building dawn as a subdirectory in |
| # a parent project that does not want to use depot_tools. |
| if (DAWN_FETCH_DEPENDENCIES) |
| set(EXTRA_FETCH_ARGS) |
| if (NOT TARGET gmock AND (DAWN_BUILD_TESTS OR TINT_BUILD_TESTS)) |
| list(APPEND EXTRA_FETCH_ARGS --use-test-deps) |
| endif() |
| |
| message(STATUS "Running fetch_dawn_dependencies:") |
| execute_process( |
| COMMAND |
| ${Python3_EXECUTABLE} |
| "${PROJECT_SOURCE_DIR}/tools/fetch_dawn_dependencies.py" |
| --directory ${PROJECT_SOURCE_DIR} |
| ${EXTRA_FETCH_ARGS} |
| ) |
| endif () |
| |
| ################################################################################ |
| # Start of Emscripten enabled third party directories |
| # To minimize the number of third party targets to make when building with |
| # Emscripten to the minimal set, only subdirectories added within the Start |
| # and End of the Emscripten block are enabled . |
| ################################################################################ |
| |
| if (NOT TARGET absl::strings) |
| # Recommended setting for compability with future abseil releases. |
| set(ABSL_PROPAGATE_CXX_STD ON CACHE BOOL "" FORCE) |
| message(STATUS "Dawn: using Abseil at ${DAWN_ABSEIL_DIR}") |
| if (("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") OR |
| ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang")) |
| add_compile_options( |
| -Wno-array-parameter |
| -Wno-deprecated-builtins |
| -Wno-unknown-warning-option |
| ) |
| endif() |
| |
| add_subdirectory(${DAWN_ABSEIL_DIR} "${CMAKE_CURRENT_BINARY_DIR}/abseil") |
| endif() |
| |
| if ((DAWN_BUILD_TESTS OR TINT_BUILD_TESTS) AND NOT TARGET gmock) |
| set(gtest_force_shared_crt ON CACHE BOOL "Controls whether a shared run-time library should be used even when Google Test is built as static library" FORCE) |
| if (${DAWN_ENABLE_EMSCRIPTEN}) |
| # For Emscripten builds, we need to disable pthreads. |
| set(gtest_disable_pthreads ON) |
| endif() |
| |
| # We don't use exceptions, so we don't need gtest to handle them. Emscripten |
| # builds in particular, with JSPI enabled, crash without this enabled. |
| # There doesn't seem to be an option to tell the gtest build files to do |
| # this, so we set it globally. (This seems to be the intended usage.) |
| add_definitions(-DGTEST_HAS_EXCEPTIONS=0) |
| |
| add_subdirectory(${DAWN_GOOGLETEST_DIR} "${CMAKE_CURRENT_BINARY_DIR}/googletest" EXCLUDE_FROM_ALL) |
| endif() |
| |
| ################################################################################ |
| # End of Emscripten enabled third party directories |
| ################################################################################ |
| if (${DAWN_ENABLE_EMSCRIPTEN}) |
| return() |
| endif() |
| |
| if (NOT TARGET SPIRV-Headers) |
| set(SPIRV_HEADERS_SKIP_EXAMPLES ON CACHE BOOL "" FORCE) |
| set(SPIRV_HEADERS_SKIP_INSTALL ON CACHE BOOL "" FORCE) |
| |
| message(STATUS "Dawn: using SPIRV-Headers at ${DAWN_SPIRV_HEADERS_DIR}") |
| add_subdirectory(${DAWN_SPIRV_HEADERS_DIR} "${CMAKE_CURRENT_BINARY_DIR}/spirv-headers") |
| endif() |
| |
| if (NOT TARGET SPIRV-Tools AND |
| (((DAWN_ENABLE_OPENGL OR DAWN_ENABLE_VULKAN) |
| AND DAWN_ENABLE_SPIRV_VALIDATION) |
| OR TINT_BUILD_SPV_READER |
| OR TINT_BUILD_SPV_WRITER |
| OR DAWN_USE_BUILT_DXC)) |
| set(SPIRV_SKIP_TESTS ON CACHE BOOL "Controls whether SPIR-V tests are run" FORCE) |
| set(SPIRV_SKIP_EXECUTABLES ON CACHE BOOL "" FORCE) |
| set(SKIP_SPIRV_TOOLS_INSTALL ON CACHE BOOL "" FORCE) |
| set(SPIRV_WERROR OFF CACHE BOOL OFF FORCE) |
| |
| message(STATUS "Dawn: using SPIRV-Tools at ${DAWN_SPIRV_TOOLS_DIR}") |
| add_subdirectory(${DAWN_SPIRV_TOOLS_DIR} "${CMAKE_CURRENT_BINARY_DIR}/spirv-tools" EXCLUDE_FROM_ALL) |
| endif() |
| |
| if(NOT TARGET glslang AND (TINT_BUILD_GLSL_WRITER OR TINT_BUILD_GLSL_VALIDATOR) AND TINT_BUILD_CMD_TOOLS) |
| set(SKIP_GLSLANG_INSTALL ON CACHE BOOL "" FORCE) |
| set(ENABLE_OPT OFF CACHE BOOL "" FORCE) |
| message(STATUS "Dawn: using GLSLang at ${DAWN_GLSLANG_DIR}") |
| # https://github.com/KhronosGroup/glslang/issues/2283 |
| # glslang does not export symbols properly when BUILD_SHARED_LIBS=1, so always build it as static for now. |
| set(BUILD_SHARED_LIBS_SAVED ${BUILD_SHARED_LIBS}) |
| set(BUILD_SHARED_LIBS 0) |
| add_subdirectory("${DAWN_GLSLANG_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/glslang" EXCLUDE_FROM_ALL) |
| set(BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS_SAVED}) |
| endif() |
| |
| if (NOT TARGET glfw AND DAWN_USE_GLFW) |
| set(GLFW_BUILD_DOCS OFF CACHE BOOL "" FORCE) |
| set(GLFW_BUILD_TESTS OFF CACHE BOOL "" FORCE) |
| set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE) |
| set(GLFW_BUILD_X11 ${DAWN_USE_X11} CACHE BOOL "" FORCE) |
| set(GLFW_BUILD_WAYLAND ${DAWN_USE_WAYLAND} CACHE BOOL "" FORCE) |
| set(GLFW_INSTALL OFF CACHE BOOL "" FORCE) |
| |
| message(STATUS "Dawn: using GLFW at ${DAWN_GLFW_DIR}") |
| add_subdirectory(${DAWN_GLFW_DIR} "${CMAKE_CURRENT_BINARY_DIR}/glfw") |
| endif() |
| |
| if (DAWN_BUILD_PROTOBUF AND NOT TARGET libprotobuf-mutator) |
| message(STATUS "Dawn: using LPM at ${DAWN_LPM_DIR}") |
| include("libprotobuf-mutator/BUILD.cmake") |
| endif() |
| |
| if (DAWN_ENABLE_DESKTOP_GL OR DAWN_ENABLE_OPENGLES) |
| # Header-only library for khrplatform.h |
| add_library(dawn_khronos_platform INTERFACE) |
| target_sources(dawn_khronos_platform INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/khronos/EGL-Registry/api/KHR/khrplatform.h") |
| target_include_directories(dawn_khronos_platform INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/khronos/EGL-Registry/api") |
| endif() |
| |
| if (NOT TARGET Vulkan-Headers AND DAWN_ENABLE_VULKAN) |
| message(STATUS "Dawn: using Vulkan-Headers at ${DAWN_VULKAN_HEADERS_DIR}") |
| |
| set(VULKAN_HEADERS_ENABLE_MODULE OFF) |
| add_subdirectory(${DAWN_VULKAN_HEADERS_DIR} "${CMAKE_CURRENT_BINARY_DIR}/vulkan-headers") |
| endif() |
| |
| if (NOT TARGET VulkanUtilityHeaders AND DAWN_ENABLE_VULKAN) |
| message(STATUS "Dawn: using VulkanUtilityLibraries at ${DAWN_VULKAN_UTILITY_LIBRARIES_DIR}") |
| add_subdirectory(${DAWN_VULKAN_UTILITY_LIBRARIES_DIR} "${CMAKE_CURRENT_BINARY_DIR}/vulkan-utility-libraries") |
| endif() |
| |
| if (DAWN_ENABLE_SWIFTSHADER AND NOT TARGET vk_swiftshader) |
| set(SWIFTSHADER_BUILD_TESTS OFF CACHE BOOL "" FORCE) |
| set(SWIFTSHADER_BUILD_BENCHMARKS OFF CACHE BOOL "" FORCE) |
| |
| message(STATUS "Dawn: using Swiftshader at ${DAWN_SWIFTSHADER_DIR}") |
| add_subdirectory(${DAWN_SWIFTSHADER_DIR} "${CMAKE_CURRENT_BINARY_DIR}/swiftshader") |
| endif() |
| |
| if (TINT_BUILD_BENCHMARKS OR DAWN_BUILD_BENCHMARKS) |
| set(BENCHMARK_ENABLE_TESTING FALSE CACHE BOOL FALSE FORCE) |
| add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/google_benchmark/src EXCLUDE_FROM_ALL) |
| endif() |
| |
| # Populates 'targets' with list of all targets under 'dir' |
| # Use 'get_all_targets_recursive' instead of this macro |
| macro(do_get_all_targets_recursive targets dir) |
| get_property(subdirectories DIRECTORY ${dir} PROPERTY SUBDIRECTORIES) |
| foreach(subdir ${subdirectories}) |
| do_get_all_targets_recursive(${targets} ${subdir}) |
| endforeach() |
| get_property(current_targets DIRECTORY ${dir} PROPERTY BUILDSYSTEM_TARGETS) |
| list(APPEND ${targets} ${current_targets}) |
| endmacro() |
| function(get_all_targets_recursive targets dir) |
| set(targets_out) |
| do_get_all_targets_recursive(targets_out ${dir}) |
| set(${targets} ${targets_out} PARENT_SCOPE) |
| endfunction() |
| |
| function(AddSubdirectoryDXC) |
| # We use a CMake function so that all these (non-cache) variables are scoped |
| # only to this function. |
| set(HLSL_OPTIONAL_PROJS_IN_DEFAULT OFF) |
| set(HLSL_ENABLE_ANALYZE OFF) |
| set(HLSL_OFFICIAL_BUILD OFF) |
| set(HLSL_ENABLE_FIXED_VER OFF) |
| set(HLSL_BUILD_DXILCONV OFF) |
| set(HLSL_INCLUDE_TESTS OFF) |
| # When bundling up dawn, the object files of dxc must be binary compatible with rest of dawn. |
| # The default value of `OFF` adds a macro `_ITERATOR_DEBUG_LEVEL=0`. |
| # This is a problem in `Debug` builds of dawn because all of dawn's objects get compiled |
| # with `_ITERATOR_DEBUG_LEVEL=2` |
| set(HLSL_ENABLE_DEBUG_ITERATORS ON) |
| |
| set(ENABLE_SPIRV_CODEGEN OFF) |
| set(SPIRV_BUILD_TESTS OFF) |
| |
| set(LLVM_BUILD_RUNTIME ON) |
| set(LLVM_BUILD_EXAMPLES OFF) |
| set(LLVM_BUILD_TESTS OFF) |
| set(LLVM_INCLUDE_TESTS OFF) |
| set(LLVM_INCLUDE_DOCS OFF) |
| set(LLVM_INCLUDE_EXAMPLES OFF) |
| set(LLVM_OPTIMIZED_TABLEGEN OFF) |
| set(LLVM_APPEND_VC_REV OFF) |
| # Enable exception handling (requires RTTI) |
| set(LLVM_ENABLE_RTTI ON) |
| set(LLVM_ENABLE_EH ON) |
| set(CLANG_CL OFF) |
| |
| if (DAWN_ENABLE_ASAN AND DAWN_ENABLE_UBSAN) |
| set(LLVM_USE_SANITIZER "Address;Undefined") |
| elseif(DAWN_ENABLE_ASAN) |
| set(LLVM_USE_SANITIZER "Address") |
| elseif(DAWN_ENABLE_UBSAN) |
| set(LLVM_USE_SANITIZER "Undefined") |
| endif() |
| |
| # Cache variables -- these are *not* scoped to this function |
| set(LLVM_TARGETS_TO_BUILD "None" CACHE STRING "" FORCE) |
| set(LLVM_DEFAULT_TARGET_TRIPLE "dxil-ms-dx" CACHE STRING "" FORCE) |
| set(CLANG_ENABLE_STATIC_ANALYZER OFF CACHE BOOL "" FORCE) |
| set(CLANG_ENABLE_ARCMT OFF CACHE BOOL "" FORCE) |
| set(CLANG_BUILD_EXAMPLES OFF CACHE BOOL "" FORCE) |
| set(CLANG_INCLUDE_TESTS OFF CACHE BOOL "" FORCE) |
| set(LLVM_ENABLE_TERMINFO OFF CACHE BOOL "" FORCE) |
| |
| if (NOT WIN32) |
| set(DIRECTX_HEADER_INCLUDE_DIR "${DAWN_THIRD_PARTY_DIR}/dxheaders/include") |
| endif() |
| |
| # Disable HCT.cmake looking for and using clang-format. This is used to compare generated files |
| # against the copy that is committed to the repo, but fails because the DXC .clangformat file is |
| # not visible from our build dir. We don't need this validation, so just disable it. |
| set(CLANG_FORMAT_EXE "" CACHE STRING "" FORCE) |
| |
| # Override RPATH so that it points to current dir (exe path). This allows both executable and |
| # shared library to be in the same location, which we set below. Note that DXC places places |
| # executables in a bin directory, and shared libraries in a lib directory. |
| if (APPLE) |
| set(CMAKE_INSTALL_NAME_DIR "@rpath") |
| set(CMAKE_INSTALL_RPATH "@executable_path") |
| else() |
| set(CMAKE_INSTALL_RPATH "\$ORIGIN") |
| endif() |
| |
| message(STATUS "\nAdding DXC to build:\n") |
| add_subdirectory(dxc |
| # Disable all targets by default, and enable only the dxc and dxcompiler targets (below) |
| EXCLUDE_FROM_ALL |
| ) |
| set_target_properties(dxc PROPERTIES EXCLUDE_FROM_ALL FALSE) |
| set_target_properties(dxcompiler PROPERTIES EXCLUDE_FROM_ALL FALSE) |
| |
| if ((NOT IS_DEBUG_BUILD) AND DAWN_DXC_ENABLE_ASSERTS_IN_NDEBUG) |
| # NOTE: Don't set LLVM_ENABLE_ASSERTIONS because it modifies CMAKE_CXX_FLAGS_* by removing NDEBUG |
| # from it; but this is a global CMake flag that affects all targets, including the non-DXC ones. |
| # Instead, we add '-UNDEBUG', which will come after the default '-DNDEBUG' that comes from |
| # CMAKE_CXX_FLAGS_*, and rely on the fact that compilers will undefine NDEBUG if it comes last |
| # on the compile command line. This was tested on Clang, GCC, and MSVC. |
| # Also note that MSVC will warn about both being defined, which is why DXC/LLVM |
| # removes NDEBUG from CMAKE_CXX_FLAGS_*, but we can live with the warnings. |
| # TODO(crbug.com/358169277): Once we move the 'dxc' directory one level deeper, |
| # use add_definitions instead of getting all targets and setting properties on them. |
| get_all_targets_recursive(ALL_TARGETS ${CMAKE_CURRENT_SOURCE_DIR}/dxc) |
| foreach(t IN LISTS ALL_TARGETS) |
| set_property(TARGET ${t} APPEND PROPERTY COMPILE_OPTIONS "-UNDEBUG") |
| if (NOT MSVC) |
| set_property(TARGET ${t} APPEND PROPERTY COMPILE_DEFINITIONS "_DEBUG") |
| endif() |
| # Reduce binary size by dropping assertion strings |
| set_property(TARGET ${t} APPEND PROPERTY COMPILE_DEFINITIONS "LLVM_ASSERTIONS_NO_STRINGS") |
| # Always trap on asserts for consistent crash logging |
| set_property(TARGET ${t} APPEND PROPERTY COMPILE_DEFINITIONS "LLVM_ASSERTIONS_TRAP") |
| endforeach() |
| endif() |
| |
| # Override output dir for both targets so that they end up in the same place |
| # as the rest of our binaries. Otherwise, DXC wants its outputs in bin and lib dirs. |
| get_property(isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG) |
| if (isMultiConfig) |
| set_target_properties(dxc dxcompiler PROPERTIES |
| "RUNTIME_OUTPUT_DIRECTORY_DEBUG" "${CMAKE_BINARY_DIR}/$<CONFIG>" |
| "RUNTIME_OUTPUT_DIRECTORY_RELEASE" "${CMAKE_BINARY_DIR}/$<CONFIG>" |
| "LIBRARY_OUTPUT_DIRECTORY_DEBUG" "${CMAKE_BINARY_DIR}/$<CONFIG>" |
| "LIBRARY_OUTPUT_DIRECTORY_RELEASE" "${CMAKE_BINARY_DIR}/$<CONFIG>" |
| ) |
| else() |
| set_target_properties(dxc dxcompiler PROPERTIES |
| "RUNTIME_OUTPUT_DIRECTORY" "${CMAKE_BINARY_DIR}" |
| "LIBRARY_OUTPUT_DIRECTORY" "${CMAKE_BINARY_DIR}" |
| ) |
| endif() |
| |
| # Create a target that copies dxil.dll from the platform SDK |
| if (WIN32) |
| message(STATUS "Finding Windows SDK Directory") |
| |
| message(STATUS "Display environment variables:") |
| execute_process(COMMAND ${CMAKE_COMMAND} -E environment COMMAND_ECHO STDOUT) |
| |
| if(DEFINED ENV{WINDOWSSDKDIR}) |
| # If WINDOWSSDKDIR env var is defined, use its value. This is defined, for example, when |
| # using a Visual Studio command prompt. |
| set(WIN10_SDK_PATH "$ENV{WINDOWSSDKDIR}") |
| message(STATUS "Found WINDOWSSDKDIR environment variable: ${WIN10_SDK_PATH}") |
| else() |
| # There's no easy way to get the Windows SDK path in CMake; however, conveniently, DXC |
| # contains a FindD3D12.cmake file that returns WIN10_SDK_PATH and WIN10_SDK_VERSION, |
| # so let's use that. |
| # TODO(crbug.com/tint/2106): Get the Win10 SDK path and version ourselves until |
| # dxc/cmake/modules/FindD3D12.cmake supports non-VS generators. |
| get_filename_component(WIN10_SDK_PATH "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows Kits\\Installed Roots;KitsRoot10]" ABSOLUTE CACHE) |
| message(STATUS "WINDOWSSDKDIR environment variable is not defined, retrieving from registry: ${WIN10_SDK_PATH}") |
| endif() |
| |
| message(STATUS "Finding Windows SDK version") |
| if (CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION) |
| set (WIN10_SDK_VERSION ${CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION}) |
| message(STATUS "Found Windows SDK version from CMake variable 'CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION': ${WIN10_SDK_VERSION}") |
| else() |
| # CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION may not be defined if, for example, |
| # the Ninja generator is used instead of Visual Studio. Attempt to retrieve the |
| # most recent SDK version from the list of paths under "${WIN10_SDK_PATH}/Include/". |
| file(GLOB sdk_dirs RELATIVE "${WIN10_SDK_PATH}/Include/" "${WIN10_SDK_PATH}/Include/10.*") |
| if (sdk_dirs) |
| list(POP_BACK sdk_dirs WIN10_SDK_VERSION) |
| endif() |
| unset(sdk_dirs) |
| message(STATUS "Windows SDK version not found from CMake variable 'CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION', attempted to find from SDK path: ${WIN10_SDK_VERSION}") |
| endif() |
| |
| set(DXIL_DLL_PATH "${WIN10_SDK_PATH}/bin/${WIN10_SDK_VERSION}/x64/dxil.dll") |
| add_custom_target(copy_dxil_dll) |
| add_custom_command( |
| TARGET copy_dxil_dll |
| COMMAND ${CMAKE_COMMAND} -E copy_if_different ${DXIL_DLL_PATH} $<TARGET_FILE_DIR:dxcompiler> |
| COMMENT "Copying ${DXIL_DLL_PATH} to $<TARGET_FILE_DIR:dxcompiler>") |
| # Make dxc target depend on copy_dxil_dll |
| add_dependencies(dxc copy_dxil_dll) |
| endif() |
| endfunction() |
| |
| if (DAWN_USE_BUILT_DXC) |
| AddSubdirectoryDXC() |
| endif() |
| |
| if (TINT_BUILD_TINTD) |
| set(LANGSVR_JSON_LIB_DIR "${CMAKE_CURRENT_SOURCE_DIR}/jsoncpp") |
| add_subdirectory("${CMAKE_CURRENT_SOURCE_DIR}/jsoncpp" EXCLUDE_FROM_ALL) |
| add_subdirectory("${CMAKE_CURRENT_SOURCE_DIR}/langsvr" EXCLUDE_FROM_ALL) |
| endif() |
