# Copyright 2022 The Dawn & Tint Authors # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. cmake_minimum_required(VERSION 3.10.2) # When upgrading to CMake 3.11 we can remove DAWN_PLACEHOLDER_FILE because source-less add_library # becomes available. # When upgrading to CMake 3.12 we should add CONFIGURE_DEPENDS to DawnGenerator to rerun CMake in # case any of the generator files changes. We should also remove the CACHE "" FORCE stuff to # override options in third_party dependencies. We can also add the HOMEPAGE_URL # entry to the project `HOMEPAGE_URL "https://dawn.googlesource.com/dawn"` project( Dawn DESCRIPTION "Dawn, a WebGPU implementation" LANGUAGES C CXX ) enable_testing() set_property(GLOBAL PROPERTY USE_FOLDERS ON) set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}) set(CMAKE_POSITION_INDEPENDENT_CODE ON) set(CMAKE_CXX_STANDARD 17) set(CMAKE_DEBUG_POSTFIX "") if ("${CMAKE_BUILD_TYPE}" STREQUAL "") message(STATUS "No build type selected, default to Debug") set(CMAKE_BUILD_TYPE "Debug") endif() set(DAWN_BUILD_GEN_DIR "${Dawn_BINARY_DIR}/gen") set(DAWN_GENERATOR_DIR "${Dawn_SOURCE_DIR}/generator") set(DAWN_SRC_DIR "${Dawn_SOURCE_DIR}/src") set(DAWN_INCLUDE_DIR "${Dawn_SOURCE_DIR}/include") set(DAWN_TEMPLATE_DIR "${DAWN_GENERATOR_DIR}/templates") set(DAWN_PLACEHOLDER_FILE "${DAWN_SRC_DIR}/Placeholder.cpp") ################################################################################ # Configuration options ################################################################################ # option_if_not_defined(name description default) # Behaves like: # option(name description default) # If a variable is not already defined with the given name, otherwise the # function does nothing. # Simplifies customization by projects that use Dawn as a dependency. function (option_if_not_defined name description default) if(NOT DEFINED ${name}) option(${name} ${description} ${default}) endif() endfunction() # set_if_not_defined(name value description) # Behaves like: # set(${name} ${value} CACHE STRING ${description}) # If a variable is not already defined with the given name, otherwise the # function does nothing. # Simplifies customization by projects that use Dawn as a dependency. function (set_if_not_defined name value description) if(NOT DEFINED ${name}) set(${name} ${value} CACHE STRING ${description}) endif() endfunction() # Default values for the backend-enabling options set(ENABLE_D3D12 OFF) set(ENABLE_METAL OFF) set(ENABLE_OPENGLES OFF) set(ENABLE_DESKTOP_GL OFF) set(ENABLE_VULKAN OFF) set(USE_WAYLAND OFF) set(USE_X11 OFF) set(BUILD_SAMPLES OFF) if (WIN32) set(ENABLE_D3D12 ON) if (NOT WINDOWS_STORE) # Enable Vulkan in win32 compilation only # since UWP only supports d3d set(ENABLE_VULKAN ON) endif() elseif(APPLE) set(ENABLE_METAL ON) elseif(ANDROID) set(ENABLE_VULKAN ON) set(ENABLE_OPENGLES ON) elseif(UNIX) set(ENABLE_OPENGLES ON) set(ENABLE_DESKTOP_GL ON) set(ENABLE_VULKAN ON) set(USE_X11 ON) endif() # GLFW is not supported in UWP if ((WIN32 AND NOT WINDOWS_STORE) OR UNIX AND NOT ANDROID) set(DAWN_SUPPORTS_GLFW_FOR_WINDOWING ON) endif() # Current examples are depend on GLFW if (DAWN_SUPPORTS_GLFW_FOR_WINDOWING) set(BUILD_SAMPLES ON) endif() option_if_not_defined(DAWN_ENABLE_ASAN "Enable address sanitizer" OFF) option_if_not_defined(DAWN_ENABLE_TSAN "Enable thread sanitizer" OFF) option_if_not_defined(DAWN_ENABLE_MSAN "Enable memory sanitizer" OFF) option_if_not_defined(DAWN_ENABLE_UBSAN "Enable undefined behaviour sanitizer" OFF) option_if_not_defined(DAWN_ENABLE_D3D12 "Enable compilation of the D3D12 backend" ${ENABLE_D3D12}) option_if_not_defined(DAWN_ENABLE_METAL "Enable compilation of the Metal backend" ${ENABLE_METAL}) option_if_not_defined(DAWN_ENABLE_NULL "Enable compilation of the Null backend" ON) option_if_not_defined(DAWN_ENABLE_DESKTOP_GL "Enable compilation of the OpenGL backend" ${ENABLE_DESKTOP_GL}) option_if_not_defined(DAWN_ENABLE_OPENGLES "Enable compilation of the OpenGL ES backend" ${ENABLE_OPENGLES}) option_if_not_defined(DAWN_ENABLE_VULKAN "Enable compilation of the Vulkan backend" ${ENABLE_VULKAN}) option_if_not_defined(DAWN_ALWAYS_ASSERT "Enable assertions on all build types" OFF) option_if_not_defined(DAWN_USE_WAYLAND "Enable support for Wayland surface" ${USE_WAYLAND}) option_if_not_defined(DAWN_USE_X11 "Enable support for X11 surface" ${USE_X11}) option_if_not_defined(DAWN_BUILD_SAMPLES "Enables building Dawn's samples" ${BUILD_SAMPLES}) option_if_not_defined(DAWN_BUILD_NODE_BINDINGS "Enables building Dawn's NodeJS bindings" OFF) option_if_not_defined(DAWN_ENABLE_SWIFTSHADER "Enables building Swiftshader as part of the build and Vulkan adapter discovery" OFF) option_if_not_defined(DAWN_ENABLE_PIC "Build with Position-Independent-Code enabled" OFF) option_if_not_defined(DAWN_EMIT_COVERAGE "Emit code coverage information" OFF) set_if_not_defined(LLVM_SOURCE_DIR "${Dawn_LLVM_SOURCE_DIR}" "Directory to an LLVM source checkout. Required to build turbo-cov") if (DAWN_ENABLE_OPENGLES OR DAWN_ENABLE_DESKTOP_GL) set(TINT_DEFAULT_GLSL ON) else() set(TINT_DEFAULT_GLSL OFF) endif() option_if_not_defined(TINT_BUILD_SAMPLES "Build samples" ${DAWN_BUILD_SAMPLES}) option_if_not_defined(TINT_BUILD_DOCS "Build documentation" ON) option_if_not_defined(TINT_DOCS_WARN_AS_ERROR "When building documentation, treat warnings as errors" OFF) option_if_not_defined(TINT_BUILD_SPV_READER "Build the SPIR-V input reader" ${DAWN_ENABLE_VULKAN}) option_if_not_defined(TINT_BUILD_WGSL_READER "Build the WGSL input reader" ON) option_if_not_defined(TINT_BUILD_GLSL_WRITER "Build the GLSL output writer" ${TINT_DEFAULT_GLSL}) option_if_not_defined(TINT_BUILD_HLSL_WRITER "Build the HLSL output writer" ${DAWN_ENABLE_D3D12}) option_if_not_defined(TINT_BUILD_MSL_WRITER "Build the MSL output writer" ${DAWN_ENABLE_METAL}) option_if_not_defined(TINT_BUILD_SPV_WRITER "Build the SPIR-V output writer" ${DAWN_ENABLE_VULKAN}) option_if_not_defined(TINT_BUILD_WGSL_WRITER "Build the WGSL output writer" ON) option_if_not_defined(TINT_BUILD_IR "Build the IR" ON) option_if_not_defined(TINT_BUILD_FUZZERS "Build fuzzers" OFF) option_if_not_defined(TINT_BUILD_SPIRV_TOOLS_FUZZER "Build SPIRV-Tools fuzzer" OFF) option_if_not_defined(TINT_BUILD_AST_FUZZER "Build AST fuzzer" OFF) option_if_not_defined(TINT_BUILD_REGEX_FUZZER "Build regex fuzzer" OFF) option_if_not_defined(TINT_BUILD_BENCHMARKS "Build benchmarks" OFF) option_if_not_defined(TINT_BUILD_TESTS "Build tests" ON) option_if_not_defined(TINT_BUILD_AS_OTHER_OS "Override OS detection to force building of *_other.cc files" OFF) option_if_not_defined(TINT_BUILD_REMOTE_COMPILE "Build the remote-compile tool for validating shaders on a remote machine" OFF) option_if_not_defined(TINT_ENABLE_BREAK_IN_DEBUGGER "Enable tint::debugger::Break()" OFF) option_if_not_defined(TINT_CHECK_CHROMIUM_STYLE "Check for [chromium-style] issues during build" OFF) option_if_not_defined(TINT_SYMBOL_STORE_DEBUG_NAME "Enable storing of name in tint::ast::Symbol to help debugging the AST" OFF) option_if_not_defined(TINT_RANDOMIZE_HASHES "Randomize the hash seed value to detect non-deterministic output" OFF) # Recommended setting for compability with future abseil releases. set(ABSL_PROPAGATE_CXX_STD ON) set_if_not_defined(DAWN_THIRD_PARTY_DIR "${Dawn_SOURCE_DIR}/third_party" "Directory in which to find third-party dependencies.") set_if_not_defined(DAWN_ABSEIL_DIR "${DAWN_THIRD_PARTY_DIR}/abseil-cpp" "Directory in which to find Abseil") set_if_not_defined(DAWN_GLFW_DIR "${DAWN_THIRD_PARTY_DIR}/glfw" "Directory in which to find GLFW") set_if_not_defined(DAWN_JINJA2_DIR "${DAWN_THIRD_PARTY_DIR}/jinja2" "Directory in which to find Jinja2") set_if_not_defined(DAWN_KHRONOS_DIR "${DAWN_THIRD_PARTY_DIR}/khronos" "Directory in which to find Khronos GL headers") set_if_not_defined(DAWN_SPIRV_HEADERS_DIR "${DAWN_THIRD_PARTY_DIR}/vulkan-deps/spirv-headers/src" "Directory in which to find SPIRV-Headers") set_if_not_defined(DAWN_SPIRV_TOOLS_DIR "${DAWN_THIRD_PARTY_DIR}/vulkan-deps/spirv-tools/src" "Directory in which to find SPIRV-Tools") set_if_not_defined(DAWN_SWIFTSHADER_DIR "${DAWN_THIRD_PARTY_DIR}/swiftshader" "Directory in which to find swiftshader") set_if_not_defined(DAWN_TINT_DIR "${Dawn_SOURCE_DIR}" "Directory in which to find Tint") set_if_not_defined(DAWN_VULKAN_DEPS_DIR "${DAWN_THIRD_PARTY_DIR}/vulkan-deps" "Directory in which to find vulkan-deps") set_if_not_defined(DAWN_VULKAN_HEADERS_DIR "${DAWN_VULKAN_DEPS_DIR}/vulkan-headers/src" "Directory in which to find Vulkan-Headers") set_if_not_defined(DAWN_VULKAN_TOOLS_DIR "${DAWN_VULKAN_DEPS_DIR}/vulkan-tools/src" "Directory in which to find Vulkan-Tools") # Dependencies for DAWN_BUILD_NODE_BINDINGS set_if_not_defined(NODE_ADDON_API_DIR "${DAWN_THIRD_PARTY_DIR}/node-addon-api" "Directory in which to find node-addon-api") set_if_not_defined(NODE_API_HEADERS_DIR "${DAWN_THIRD_PARTY_DIR}/node-api-headers" "Directory in which to find node-api-headers") set_if_not_defined(WEBGPU_IDL_PATH "${DAWN_THIRD_PARTY_DIR}/gpuweb/webgpu.idl" "Path to the webgpu.idl definition file") set_if_not_defined(GO_EXECUTABLE "go" "Golang executable for running the IDL generator") # Much of the backend code is shared among desktop OpenGL and OpenGL ES if (${DAWN_ENABLE_DESKTOP_GL} OR ${DAWN_ENABLE_OPENGLES}) set(DAWN_ENABLE_OPENGL ON) endif() if(DAWN_ENABLE_PIC) set(CMAKE_POSITION_INDEPENDENT_CODE ON) endif() if (${TINT_BUILD_SPIRV_TOOLS_FUZZER}) message(STATUS "TINT_BUILD_SPIRV_TOOLS_FUZZER is ON - setting TINT_BUILD_FUZZERS TINT_BUILD_SPV_READER TINT_BUILD_SPV_WRITER TINT_BUILD_WGSL_READER TINT_BUILD_WGSL_WRITER TINT_BUILD_GLSL_WRITER TINT_BUILD_HLSL_WRITER TINT_BUILD_MSL_WRITER to ON") set(TINT_BUILD_FUZZERS ON CACHE BOOL "Build tint fuzzers" FORCE) set(TINT_BUILD_SPV_READER ON CACHE BOOL "Build SPIR-V reader" FORCE) set(TINT_BUILD_SPV_WRITER ON CACHE BOOL "Build SPIR-V writer" FORCE) set(TINT_BUILD_WGSL_READER ON CACHE BOOL "Build WGSL reader" FORCE) set(TINT_BUILD_WGSL_WRITER ON CACHE BOOL "Build WGSL writer" FORCE) set(TINT_BUILD_GLSL_WRITER ON CACHE BOOL "Build HLSL writer" FORCE) set(TINT_BUILD_HLSL_WRITER ON CACHE BOOL "Build HLSL writer" FORCE) set(TINT_BUILD_MSL_WRITER ON CACHE BOOL "Build MSL writer" FORCE) endif() if (${TINT_BUILD_AST_FUZZER}) message(STATUS "TINT_BUILD_AST_FUZZER is ON - setting TINT_BUILD_FUZZERS TINT_BUILD_WGSL_READER TINT_BUILD_WGSL_WRITER TINT_BUILD_SPV_WRITER TINT_BUILD_MSL_WRITER TINT_BUILD_GLSL_WRITER TINT_BUILD_HLSL_WRITER to ON") set(TINT_BUILD_FUZZERS ON CACHE BOOL "Build tint fuzzers" FORCE) set(TINT_BUILD_WGSL_READER ON CACHE BOOL "Build WGSL reader" FORCE) set(TINT_BUILD_WGSL_WRITER ON CACHE BOOL "Build WGSL writer" FORCE) set(TINT_BUILD_SPV_WRITER ON CACHE BOOL "Build SPIR-V writer" FORCE) set(TINT_BUILD_MSL_WRITER ON CACHE BOOL "Build MSL writer" FORCE) set(TINT_BUILD_GLSL_WRITER ON CACHE BOOL "Build GLSL writer" FORCE) set(TINT_BUILD_HLSL_WRITER ON CACHE BOOL "Build HLSL writer" FORCE) endif() if (${TINT_BUILD_REGEX_FUZZER}) message(STATUS "TINT_BUILD_REGEX_FUZZER is ON - setting TINT_BUILD_FUZZERS TINT_BUILD_WGSL_READER TINT_BUILD_WGSL_WRITER TINT_BUILD_SPV_WRITER TINT_BUILD_MSL_WRITER TINT_BUILD_GLSL_WRITER TINT_BUILD_HLSL_WRITER to ON") set(TINT_BUILD_FUZZERS ON CACHE BOOL "Build tint fuzzers" FORCE) set(TINT_BUILD_WGSL_READER ON CACHE BOOL "Build WGSL reader" FORCE) set(TINT_BUILD_WGSL_WRITER ON CACHE BOOL "Build WGSL writer" FORCE) set(TINT_BUILD_SPV_WRITER ON CACHE BOOL "Build SPIR-V writer" FORCE) set(TINT_BUILD_MSL_WRITER ON CACHE BOOL "Build MSL writer" FORCE) set(TINT_BUILD_GLSL_WRITER ON CACHE BOOL "Build GLSL writer" FORCE) set(TINT_BUILD_HLSL_WRITER ON CACHE BOOL "Build HLSL writer" FORCE) endif() message(STATUS "Dawn build D3D12 backend: ${DAWN_ENABLE_D3D12}") message(STATUS "Dawn build Metal backend: ${DAWN_ENABLE_METAL}") message(STATUS "Dawn build Vulkan backend: ${DAWN_ENABLE_VULKAN}") message(STATUS "Dawn build OpenGL backend: ${DAWN_ENABLE_DESKTOP_GL}") message(STATUS "Dawn build OpenGL ES backend: ${DAWN_ENABLE_OPENGLES}") message(STATUS "Dawn build Null backend: ${DAWN_ENABLE_NULL}") message(STATUS "Dawn build with asserts in all configurations: ${DAWN_ALWAYS_ASSERT}") message(STATUS "Dawn build Wayland support: ${DAWN_USE_WAYLAND}") message(STATUS "Dawn build X11 support: ${DAWN_USE_X11}") message(STATUS "Dawn build samples: ${DAWN_BUILD_SAMPLES}") message(STATUS "Dawn build Node bindings: ${DAWN_BUILD_NODE_BINDINGS}") message(STATUS "Dawn build Swiftshader: ${DAWN_ENABLE_SWIFTSHADER}") message(STATUS "Dawn build PIC: ${DAWN_ENABLE_PIC}") message(STATUS "Dawn build with ASAN: ${DAWN_ENABLE_ASAN}") message(STATUS "Dawn build with TSAN: ${DAWN_ENABLE_TSAN}") message(STATUS "Dawn build with MSAN: ${DAWN_ENABLE_MSAN}") message(STATUS "Dawn build with UBSAN: ${DAWN_ENABLE_UBSAN}") message(STATUS "Tint build samples: ${TINT_BUILD_SAMPLES}") message(STATUS "Tint build docs: ${TINT_BUILD_DOCS}") message(STATUS "Tint build docs with warn as error: ${TINT_DOCS_WARN_AS_ERROR}") message(STATUS "Tint build SPIR-V reader: ${TINT_BUILD_SPV_READER}") message(STATUS "Tint build WGSL reader: ${TINT_BUILD_WGSL_READER}") message(STATUS "Tint build GLSL writer: ${TINT_BUILD_GLSL_WRITER}") message(STATUS "Tint build HLSL writer: ${TINT_BUILD_HLSL_WRITER}") message(STATUS "Tint build MSL writer: ${TINT_BUILD_MSL_WRITER}") message(STATUS "Tint build SPIR-V writer: ${TINT_BUILD_SPV_WRITER}") message(STATUS "Tint build WGSL writer: ${TINT_BUILD_WGSL_WRITER}") message(STATUS "Tint build IR: ${TINT_BUILD_IR}") message(STATUS "Tint build fuzzers: ${TINT_BUILD_FUZZERS}") message(STATUS "Tint build SPIRV-Tools fuzzer: ${TINT_BUILD_SPIRV_TOOLS_FUZZER}") message(STATUS "Tint build AST fuzzer: ${TINT_BUILD_AST_FUZZER}") message(STATUS "Tint build regex fuzzer: ${TINT_BUILD_REGEX_FUZZER}") message(STATUS "Tint build benchmarks: ${TINT_BUILD_BENCHMARKS}") message(STATUS "Tint build tests: ${TINT_BUILD_TESTS}") message(STATUS "Tint build checking [chromium-style]: ${TINT_CHECK_CHROMIUM_STYLE}") message(STATUS "Tint build remote-compile tool: ${TINT_BUILD_REMOTE_COMPILE}") if (NOT ${TINT_LIB_FUZZING_ENGINE_LINK_OPTIONS} STREQUAL "") message(STATUS "Using provided LIB_FUZZING_ENGINE options: ${TINT_LIB_FUZZING_ENGINE_LINK_OPTIONS}") endif() message(STATUS "Using python3") find_package(PythonInterp 3 REQUIRED) ################################################################################ # common_compile_options - sets compiler and linker options common for dawn and # tint on the given target ################################################################################ function(common_compile_options TARGET) if (COMPILER_IS_LIKE_GNU) target_compile_options(${TARGET} PRIVATE -fno-exceptions -fno-rtti -Wno-deprecated-builtins -Wno-unknown-warning-option ) if (${DAWN_ENABLE_MSAN}) target_compile_options(${TARGET} PUBLIC -fsanitize=memory) target_link_options(${TARGET} PUBLIC -fsanitize=memory) elseif (${DAWN_ENABLE_ASAN}) target_compile_options(${TARGET} PUBLIC -fsanitize=address) target_link_options(${TARGET} PUBLIC -fsanitize=address) elseif (${DAWN_ENABLE_TSAN}) target_compile_options(${TARGET} PUBLIC -fsanitize=thread) target_link_options(${TARGET} PUBLIC -fsanitize=thread) elseif (${DAWN_ENABLE_UBSAN}) target_compile_options(${TARGET} PUBLIC -fsanitize=undefined) target_link_options(${TARGET} PUBLIC -fsanitize=undefined) endif() endif(COMPILER_IS_LIKE_GNU) if(MSVC) target_compile_options(${TARGET} PUBLIC /utf-8) endif() if (DAWN_EMIT_COVERAGE) target_compile_definitions(${TARGET} PRIVATE "DAWN_EMIT_COVERAGE") if(CMAKE_CXX_COMPILER_ID MATCHES "GNU") target_compile_options(${TARGET} PRIVATE "--coverage") target_link_options(${TARGET} PRIVATE "gcov") elseif(COMPILER_IS_CLANG OR COMPILER_IS_CLANG_CL) target_compile_options(${TARGET} PRIVATE "-fprofile-instr-generate" "-fcoverage-mapping") target_link_options(${TARGET} PRIVATE "-fprofile-instr-generate" "-fcoverage-mapping") else() message(FATAL_ERROR "Coverage generation not supported for the ${CMAKE_CXX_COMPILER_ID} toolchain") endif() endif(DAWN_EMIT_COVERAGE) endfunction() if (${DAWN_ENABLE_TSAN}) add_compile_options(-stdlib=libc++) add_link_options(-stdlib=libc++) endif() ################################################################################ # Dawn's public and internal "configs" ################################################################################ set(IS_DEBUG_BUILD 0) string(TOUPPER "${CMAKE_BUILD_TYPE}" build_type) if ((NOT ${build_type} STREQUAL "RELEASE") AND (NOT ${build_type} STREQUAL "RELWITHDEBINFO")) set(IS_DEBUG_BUILD 1) endif() # The public config contains only the include paths for the Dawn headers. add_library(dawn_public_config INTERFACE) target_include_directories(dawn_public_config INTERFACE "${DAWN_INCLUDE_DIR}" "${DAWN_BUILD_GEN_DIR}/include" ) # The internal config conatins additional path but includes the dawn_public_config include paths add_library(dawn_internal_config INTERFACE) target_include_directories(dawn_internal_config INTERFACE "${DAWN_SRC_DIR}" "${DAWN_BUILD_GEN_DIR}/src" ) target_link_libraries(dawn_internal_config INTERFACE dawn_public_config) # Compile definitions for the internal config if (DAWN_ALWAYS_ASSERT OR IS_DEBUG_BUILD) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_ENABLE_ASSERTS") endif() if (DAWN_ENABLE_D3D12) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_ENABLE_BACKEND_D3D12") endif() if (DAWN_ENABLE_METAL) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_ENABLE_BACKEND_METAL") endif() if (DAWN_ENABLE_NULL) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_ENABLE_BACKEND_NULL") endif() if (DAWN_ENABLE_DESKTOP_GL) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_ENABLE_BACKEND_DESKTOP_GL") endif() if (DAWN_ENABLE_OPENGLES) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_ENABLE_BACKEND_OPENGLES") endif() if (DAWN_ENABLE_OPENGL) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_ENABLE_BACKEND_OPENGL") endif() if (DAWN_ENABLE_VULKAN) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_ENABLE_BACKEND_VULKAN") endif() if (DAWN_USE_WAYLAND) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_USE_WAYLAND") endif() if (DAWN_USE_X11) target_compile_definitions(dawn_internal_config INTERFACE "DAWN_USE_X11") endif() if (WIN32) target_compile_definitions(dawn_internal_config INTERFACE "NOMINMAX" "WIN32_LEAN_AND_MEAN") endif() set(CMAKE_CXX_STANDARD "17") ################################################################################ # Tint ################################################################################ set(TINT_LIB_FUZZING_ENGINE_LINK_OPTIONS "" CACHE STRING "Used by OSS-Fuzz to control, via link options, which fuzzing engine should be used") set(TINT_ROOT_SOURCE_DIR ${PROJECT_SOURCE_DIR}) # CMake < 3.15 sets /W3 in CMAKE_CXX_FLAGS. Remove it if it's there. # See https://gitlab.kitware.com/cmake/cmake/-/issues/18317 if (MSVC) if (CMAKE_CXX_FLAGS MATCHES "/W3") string(REPLACE "/W3" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") endif() endif() if (${TINT_CHECK_CHROMIUM_STYLE}) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Xclang -add-plugin -Xclang find-bad-constructs") endif() if (${TINT_BUILD_SPV_READER}) include_directories("${DAWN_THIRD_PARTY_DIR}/vulkan-deps/spirv-tools/include") endif() if((CMAKE_CXX_COMPILER_ID STREQUAL "Clang") AND (CMAKE_CXX_SIMULATE_ID STREQUAL "MSVC")) set(COMPILER_IS_CLANG_CL TRUE) endif() if((CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang") OR ((CMAKE_CXX_COMPILER_ID STREQUAL "Clang") AND (NOT COMPILER_IS_CLANG_CL))) set(COMPILER_IS_CLANG TRUE) endif() if((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") OR COMPILER_IS_CLANG) set(COMPILER_IS_LIKE_GNU TRUE) endif() # Enable msbuild multiprocessor builds if (MSVC AND NOT COMPILER_IS_CLANG_CL) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP") endif() set(TINT_OS_CC_SUFFIX "other") if (NOT TINT_BUILD_AS_OTHER_OS) if(UNIX OR APPLE) set(TINT_OS_CC_SUFFIX "posix") set(TINT_OS_CC_SUFFIX "posix") elseif(WIN32) set(TINT_OS_CC_SUFFIX "windows") set(TINT_OS_CC_SUFFIX "windows") endif() endif() if(${TINT_BUILD_DOCS}) find_package(Doxygen) if(DOXYGEN_FOUND) set(DOXYGEN_WARN_AS_ERROR NO) if(TINT_DOCS_WARN_AS_ERROR) set(DOXYGEN_WARN_AS_ERROR YES) endif() set(DOXYGEN_WARN_FORMAT "$file:$line: $text") if (MSVC) set(DOXYGEN_WARN_FORMAT "$file($line): $text") endif() add_custom_target(tint-docs ALL COMMAND ${CMAKE_COMMAND} -E env "DOXYGEN_OUTPUT_DIRECTORY=${CMAKE_BINARY_DIR}/docs" "DOXYGEN_WARN_AS_ERROR=${DOXYGEN_WARN_AS_ERROR}" "DOXYGEN_WARN_FORMAT=${DOXYGEN_WARN_FORMAT}" ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} COMMENT "Generating API documentation" VERBATIM) else() message("Doxygen not found. Skipping documentation") endif(DOXYGEN_FOUND) endif() function(tint_core_compile_options TARGET) target_include_directories(${TARGET} PUBLIC "${TINT_ROOT_SOURCE_DIR}") target_include_directories(${TARGET} PUBLIC "${TINT_ROOT_SOURCE_DIR}/include") if (${TINT_BUILD_SPV_READER} OR ${TINT_BUILD_SPV_WRITER}) target_include_directories(${TARGET} PUBLIC "${DAWN_THIRD_PARTY_DIR}/spirv-headers/include") endif() target_compile_definitions(${TARGET} PUBLIC -DTINT_BUILD_SPV_READER=$<BOOL:${TINT_BUILD_SPV_READER}>) target_compile_definitions(${TARGET} PUBLIC -DTINT_BUILD_WGSL_READER=$<BOOL:${TINT_BUILD_WGSL_READER}>) target_compile_definitions(${TARGET} PUBLIC -DTINT_BUILD_GLSL_WRITER=$<BOOL:${TINT_BUILD_GLSL_WRITER}>) target_compile_definitions(${TARGET} PUBLIC -DTINT_BUILD_HLSL_WRITER=$<BOOL:${TINT_BUILD_HLSL_WRITER}>) target_compile_definitions(${TARGET} PUBLIC -DTINT_BUILD_MSL_WRITER=$<BOOL:${TINT_BUILD_MSL_WRITER}>) target_compile_definitions(${TARGET} PUBLIC -DTINT_BUILD_SPV_WRITER=$<BOOL:${TINT_BUILD_SPV_WRITER}>) target_compile_definitions(${TARGET} PUBLIC -DTINT_BUILD_WGSL_WRITER=$<BOOL:${TINT_BUILD_WGSL_WRITER}>) target_compile_definitions(${TARGET} PUBLIC -DTINT_BUILD_IR=$<BOOL:${TINT_BUILD_IR}>) common_compile_options(${TARGET}) endfunction() function(tint_default_compile_options TARGET) tint_core_compile_options(${TARGET}) set(COMMON_GNU_OPTIONS -Wall -Werror -Wextra -Wno-documentation-unknown-command -Wno-padded -Wno-switch-enum -Wno-unknown-pragmas ) set(COMMON_CLANG_OPTIONS -Wno-c++98-compat -Wno-c++98-compat-pedantic -Wno-format-pedantic -Wno-poison-system-directories -Wno-return-std-move-in-c++11 -Wno-unknown-warning-option -Wno-undefined-var-template -Wno-unsafe-buffer-usage -Wno-used-but-marked-unused -Weverything ) if (COMPILER_IS_LIKE_GNU) target_compile_options(${TARGET} PRIVATE -pedantic-errors ${COMMON_GNU_OPTIONS} ) if (COMPILER_IS_CLANG) target_compile_options(${TARGET} PRIVATE ${COMMON_CLANG_OPTIONS} ) endif() endif(COMPILER_IS_LIKE_GNU) if (MSVC) # Specify /EHs for exception handling. target_compile_options(${TARGET} PRIVATE /bigobj /EHsc /W4 /WX /wd4068 /wd4127 /wd4244 /wd4267 /wd4324 /wd4458 /wd4514 /wd4571 /wd4625 /wd4626 /wd4710 /wd4774 /wd4820 /wd5026 /wd5027 ) # When building with clang-cl on Windows, try to match our clang build # options as much as possible. if (COMPILER_IS_CLANG_CL) target_compile_options(${TARGET} PRIVATE ${COMMON_GNU_OPTIONS} ${COMMON_CLANG_OPTIONS} # Disable warnings that are usually disabled in downstream deps for # gcc/clang, but aren't for clang-cl. -Wno-global-constructors -Wno-zero-as-null-pointer-constant -Wno-shorten-64-to-32 -Wno-shadow-field-in-constructor -Wno-reserved-id-macro -Wno-language-extension-token ) endif() endif() if (TINT_RANDOMIZE_HASHES) if(NOT DEFINED TINT_HASH_SEED) string(RANDOM LENGTH 16 ALPHABET "0123456789abcdef" seed) set(TINT_HASH_SEED "0x${seed}" CACHE STRING "Tint hash seed value") message("Using TINT_HASH_SEED: ${TINT_HASH_SEED}") endif() target_compile_definitions(${TARGET} PUBLIC "-DTINT_HASH_SEED=${TINT_HASH_SEED}") endif() endfunction() ################################################################################ # Run on all subdirectories ################################################################################ add_subdirectory(third_party) # TODO(crbug.com/tint/455): Tint does not currently build with CMake 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(src/tint) set(BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS_SAVED}) add_subdirectory(generator) add_subdirectory(src/dawn) ################################################################################ # Samples ################################################################################ if (TINT_BUILD_SAMPLES) add_subdirectory(src/tint/cmd) endif() if (TINT_BUILD_FUZZERS) add_subdirectory(src/tint/fuzzers) endif() add_custom_target(tint-lint COMMAND ./tools/lint WORKING_DIRECTORY ${TINT_ROOT_SOURCE_DIR} COMMENT "Running linter" VERBATIM) add_custom_target(tint-format COMMAND ./tools/format WORKING_DIRECTORY ${TINT_ROOT_SOURCE_DIR} COMMENT "Running formatter" VERBATIM) if (DAWN_EMIT_COVERAGE) add_subdirectory(tools/src/cmd/turbo-cov) # The tint-generate-coverage target generates a lcov.info file at the project # root, holding the code coverage for all the tint_unitests. # This can be used by tools such as VSCode's Coverage Gutters extension to # visualize code coverage in the editor. get_filename_component(CLANG_BIN_DIR ${CMAKE_C_COMPILER} DIRECTORY) set(PATH_WITH_CLANG "${CLANG_BIN_DIR}:$ENV{PATH}") add_custom_target(tint-generate-coverage COMMAND ${CMAKE_COMMAND} -E env PATH=${PATH_WITH_CLANG} ./tools/tint-generate-coverage $<TARGET_FILE:tint_unittests> DEPENDS tint_unittests WORKING_DIRECTORY ${TINT_ROOT_SOURCE_DIR} COMMENT "Generating tint coverage data" VERBATIM) endif() if (TINT_BUILD_REMOTE_COMPILE) add_subdirectory(tools/src/cmd/remote-compile) endif()