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# Copyright 2020 The 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)
project(tint)
enable_testing()
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_DEBUG_POSTFIX "")
if ("${CMAKE_BUILD_TYPE}" STREQUAL "")
message(STATUS "No build type selected, default to Debug")
set(CMAKE_BUILD_TYPE "Debug")
endif()
# TINT_IS_SUBPROJECT is 1 if added via add_subdirectory() from another project.
get_directory_property(TINT_IS_SUBPROJECT PARENT_DIRECTORY)
if(TINT_IS_SUBPROJECT)
set(TINT_IS_SUBPROJECT 1)
# If tint is used as a subproject, default to disabling the building of
# documentation and tests. These are unlikely to be desirable, but can be
# enabled.
set(TINT_BUILD_DOCS_DEFAULT OFF)
set(TINT_BUILD_TESTS_DEFAULT OFF)
else()
set(TINT_BUILD_DOCS_DEFAULT ON)
set(TINT_BUILD_TESTS_DEFAULT ON)
endif()
option(TINT_BUILD_SAMPLES "Build samples" ON)
option(TINT_BUILD_DOCS "Build documentation" ${TINT_BUILD_DOCS_DEFAULT})
option(TINT_DOCS_WARN_AS_ERROR "When building documentation, treat warnings as errors" OFF)
option(TINT_BUILD_SPV_READER "Build the SPIR-V input reader" ON)
option(TINT_BUILD_WGSL_READER "Build the WGSL input reader" ON)
option(TINT_BUILD_HLSL_WRITER "Build the HLSL output writer" ON)
option(TINT_BUILD_MSL_WRITER "Build the MSL output writer" ON)
option(TINT_BUILD_SPV_WRITER "Build the SPIR-V output writer" ON)
option(TINT_BUILD_WGSL_WRITER "Build the WGSL output writer" ON)
option(TINT_BUILD_FUZZERS "Build fuzzers" OFF)
option(TINT_BUILD_SPIRV_TOOLS_FUZZER "Build SPIRV-Tools fuzzer" OFF)
option(TINT_BUILD_AST_FUZZER "Build AST fuzzer" OFF)
option(TINT_BUILD_REGEX_FUZZER "Build regex fuzzer" OFF)
option(TINT_BUILD_TESTS "Build tests" ${TINT_BUILD_TESTS_DEFAULT})
option(TINT_BUILD_AS_OTHER_OS "Override OS detection to force building of *_other.cc files" OFF)
option(TINT_BUILD_REMOTE_COMPILE "Build the remote-compile tool for validating shaders on a remote machine" OFF)
set(TINT_LIB_FUZZING_ENGINE_LINK_OPTIONS "" CACHE STRING "Used by OSS-Fuzz to control, via link options, which fuzzing engine should be used")
option(TINT_ENABLE_MSAN "Enable memory sanitizer" OFF)
option(TINT_ENABLE_ASAN "Enable address sanitizer" OFF)
option(TINT_ENABLE_UBSAN "Enable undefined behaviour sanitizer" OFF)
option(TINT_EMIT_COVERAGE "Emit code coverage information" OFF)
option(TINT_CHECK_CHROMIUM_STYLE "Check for [chromium-style] issues during build" OFF)
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 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 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 tests: ${TINT_BUILD_TESTS}")
message(STATUS "Tint build with ASAN: ${TINT_ENABLE_ASAN}")
message(STATUS "Tint build with MSAN: ${TINT_ENABLE_MSAN}")
message(STATUS "Tint build with UBSAN: ${TINT_ENABLE_UBSAN}")
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: ${TINT_LIB_FUZZING_ENGINE_LINK_OPTIONS}")
endif()
message(STATUS "Using python3")
find_package(PythonInterp 3 REQUIRED)
if (${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_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_HLSL_WRITER ON CACHE BOOL "Build HLSL writer" FORCE)
set(TINT_BUILD_MSL_WRITER ON CACHE BOOL "Build MSL writer" FORCE)
endif()
if (${TINT_BUILD_AST_FUZZER})
message(STATUS "TINT_BUILD_AST_FUZZER is ON - setting
TINT_BUILD_FUZZERS
TINT_BUILD_WGSL_READER
TINT_BUILD_WGSL_WRITER
TINT_BUILD_SPV_WRITER
TINT_BUILD_MSL_WRITER
TINT_BUILD_HLSL_WRITER to ON")
set(TINT_BUILD_FUZZERS ON CACHE BOOL "Build tint fuzzers" FORCE)
set(TINT_BUILD_WGSL_READER ON CACHE BOOL "Build WGSL reader" FORCE)
set(TINT_BUILD_WGSL_WRITER ON CACHE BOOL "Build WGSL writer" FORCE)
set(TINT_BUILD_SPV_WRITER ON CACHE BOOL "Build SPIR-V writer" FORCE)
set(TINT_BUILD_MSL_WRITER ON CACHE BOOL "Build MSL writer" FORCE)
set(TINT_BUILD_HLSL_WRITER ON CACHE BOOL "Build HLSL writer" FORCE)
endif()
if (${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_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_HLSL_WRITER ON CACHE BOOL "Build HLSL writer" FORCE)
endif()
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 (${TINT_BUILD_SPV_READER})
include_directories("${TINT_ROOT_SOURCE_DIR}/third_party/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 "GNU") OR
(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang") OR
((CMAKE_CXX_COMPILER_ID STREQUAL "Clang") AND
(NOT COMPILER_IS_CLANG_CL)))
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 ${CMAKE_CURRENT_SOURCE_DIR}
COMMENT "Generating API documentation"
VERBATIM)
else()
message("Doxygen not found. Skipping documentation")
endif(DOXYGEN_FOUND)
endif()
function(tint_default_compile_options TARGET)
target_include_directories(${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
"${TINT_ROOT_SOURCE_DIR}/third_party/spirv-headers/include")
endif()
target_compile_definitions(${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_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:${TINT_BUILD_WGSL_WRITER}>)
set(COMMON_GNU_OPTIONS
-Wall
-Werror
-Wextra
-Wno-documentation-unknown-command
-Wno-padded
-Wno-switch-enum
-Wno-unknown-pragmas
)
set(COMMON_CLANG_OPTIONS
-Wno-c++98-compat
-Wno-c++98-compat-pedantic
-Wno-format-pedantic
-Wno-return-std-move-in-c++11
-Wno-unknown-warning-option
-Wno-undefined-var-template
-Wno-used-but-marked-unused
-Weverything
)
if (${COMPILER_IS_LIKE_GNU})
target_compile_options(${TARGET} PRIVATE
-std=c++14
-fno-exceptions
-fno-rtti
-pedantic-errors
${COMMON_GNU_OPTIONS}
)
if (("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") OR
("${CMAKE_CXX_COMPILER_ID}" STREQUAL "AppleClang"))
target_compile_options(${TARGET} PRIVATE
${COMMON_CLANG_OPTIONS}
)
endif()
if (${TINT_ENABLE_MSAN})
target_compile_options(${TARGET} PRIVATE -fsanitize=memory)
target_link_options(${TARGET} PRIVATE -fsanitize=memory)
elseif (${TINT_ENABLE_ASAN})
target_compile_options(${TARGET} PRIVATE -fsanitize=address)
target_link_options(${TARGET} PRIVATE -fsanitize=address)
elseif (${TINT_ENABLE_UBSAN})
target_compile_options(${TARGET} PRIVATE -fsanitize=undefined)
target_link_options(${TARGET} PRIVATE -fsanitize=undefined)
endif()
endif()
if (${TINT_EMIT_COVERAGE})
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
target_compile_options(${TARGET} PRIVATE "--coverage")
target_link_options(${TARGET} PRIVATE "gcov")
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
target_compile_options(${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 ${CMAKE_CXX_COMPILER_ID} toolchain")
endif()
endif()
if (MSVC)
# Specify /EHs for exception handling.
target_compile_options(${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
)
endif()
endif()
endfunction()
add_subdirectory(third_party)
add_subdirectory(src)
if (TINT_BUILD_SAMPLES)
add_subdirectory(samples)
endif()
if (TINT_BUILD_FUZZERS)
add_subdirectory(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 (TINT_EMIT_COVERAGE AND CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# Generates a lcov.info file at the project root.
# 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()