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swiftshader / SwiftShader / 4d3a7b64279f06ee5778b872b1b1125617743b5d / . / CMakeLists.txt
blob: 22ebba188fa3f08013c2b8a0182a9bce26d79e0a [file] [log] [blame]
# Copyright 2020 The SwiftShader Authors. All Rights Reserved.
#
# 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 3.13)
project(SwiftShader C CXX ASM)
set(CMAKE_CXX_STANDARD 17)
set(CXX_STANDARD_REQUIRED ON)
# MSVC doesn't define __cplusplus by default
if(MSVC)
string(APPEND CMAKE_CXX_FLAGS " /Zc:__cplusplus")
endif()
###########################################################
# Detect system
###########################################################
if(CMAKE_SYSTEM_NAME MATCHES "Linux")
set(LINUX TRUE)
elseif(CMAKE_SYSTEM_NAME MATCHES "Android")
set(ANDROID TRUE)
set(CMAKE_CXX_FLAGS "-DANDROID_NDK_BUILD")
elseif(WIN32)
elseif(APPLE)
elseif(FUCHSIA)
# NOTE: Building for Fuchsia requires a Fuchsia CMake-based SDK.
# See https://fuchsia-review.googlesource.com/c/fuchsia/+/379673
find_package(FuchsiaLibraries)
else()
message(FATAL_ERROR "Platform is not supported")
endif()
if(CMAKE_SYSTEM_PROCESSOR MATCHES "arm" OR CMAKE_SYSTEM_PROCESSOR MATCHES "aarch")
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(ARCH "aarch64")
else()
set(ARCH "arm")
endif()
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^mips.*")
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(ARCH "mips64el")
else()
set(ARCH "mipsel")
endif()
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^ppc.*")
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(ARCH "ppc64le")
else()
message(FATAL_ERROR "Architecture is not supported")
endif()
else()
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(ARCH "x86_64")
else()
set(ARCH "x86")
endif()
endif()
# Cross compiling on macOS. The cross compiling architecture should override
# auto-detected system architecture settings.
if(CMAKE_OSX_ARCHITECTURES)
if(CMAKE_OSX_ARCHITECTURES MATCHES "arm64")
set(ARCH "aarch64")
elseif(CMAKE_OSX_ARCHITECTURES MATCHES "x86_64")
set(ARCH "x86_64")
elseif(CMAKE_OSX_ARCHITECTURES MATCHES "i386")
set(ARCH "x86")
else()
message(FATAL_ERROR "Architecture ${CMAKE_OSX_ARCHITECTURES} is not "
"supported. Only one architecture (arm64, x86_64 "
"or i386) could be specified at build time.")
endif()
endif()
# Cross compiling with `cmake -A <arch>`.
if(CMAKE_GENERATOR_PLATFORM)
if(CMAKE_GENERATOR_PLATFORM MATCHES "^(Win32|win32|X86|x86)$")
set(ARCH "x86")
elseif(CMAKE_GENERATOR_PLATFORM MATCHES "^(Win64|win64|X64|x64)$")
set(ARCH "x86_64")
elseif(CMAKE_GENERATOR_PLATFORM MATCHES "^(ARM64|Arm64|arm64)$")
set(ARCH "aarch64")
endif()
endif()
set(CMAKE_MACOSX_RPATH TRUE)
if ((CMAKE_GENERATOR MATCHES "Visual Studio") AND (CMAKE_GENERATOR_TOOLSET STREQUAL ""))
message(WARNING "Visual Studio generators use the x86 host compiler by "
"default, even for 64-bit targets. This can result in linker "
"instability and out of memory errors. To use the 64-bit "
"host compiler, pass -Thost=x64 on the CMake command line.")
endif()
# Use CCache if available
find_program(CCACHE_FOUND ccache)
if(CCACHE_FOUND)
message(STATUS "Using ccache")
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
endif()
###########################################################
# Install Gerrit commit hook
###########################################################
if(IS_DIRECTORY ${CMAKE_SOURCE_DIR}/.git AND NOT EXISTS ${CMAKE_SOURCE_DIR}/.git/hooks/commit-msg)
message(WARNING "
.git/hooks/commit-msg was not found.
Downloading from https://gerrit-review.googlesource.com/tools/hooks/commit-msg...
")
file(DOWNLOAD https://gerrit-review.googlesource.com/tools/hooks/commit-msg ${CMAKE_SOURCE_DIR}/commit-msg)
file(COPY ${CMAKE_SOURCE_DIR}/commit-msg
DESTINATION ${CMAKE_SOURCE_DIR}/.git/hooks/
FILE_PERMISSIONS
OWNER_READ OWNER_WRITE OWNER_EXECUTE
GROUP_READ GROUP_WRITE GROUP_EXECUTE
WORLD_READ WORLD_EXECUTE)
file(REMOVE ${CMAKE_SOURCE_DIR}/commit-msg)
endif()
###########################################################
# Host libraries
###########################################################
if(LINUX)
include(CheckSymbolExists)
check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
check_symbol_exists(mallinfo2 malloc.h HAVE_MALLINFO2)
endif()
if(SWIFTSHADER_BUILD_WSI_DIRECTFB)
find_library(DIRECTFB directfb)
find_path(DIRECTFB_INCLUDE_DIR directfb/directfb.h)
endif(SWIFTSHADER_BUILD_WSI_DIRECTFB)
if(SWIFTSHADER_BUILD_WSI_D2D)
find_library(D2D drm)
find_path(D2D_INCLUDE_DIR libdrm/drm.h)
endif(SWIFTSHADER_BUILD_WSI_D2D)
###########################################################
# Options
###########################################################
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Release" CACHE STRING "The type of build: Debug Release MinSizeRel RelWithDebInfo." FORCE)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS Debug Release MinSizeRel RelWithDebInfo)
endif()
function(option_if_not_defined name description default)
if(NOT DEFINED ${name})
option(${name} ${description} ${default})
endif()
endfunction()
if(LINUX)
option_if_not_defined(SWIFTSHADER_BUILD_WSI_XCB "Build the XCB WSI support" TRUE)
option_if_not_defined(SWIFTSHADER_BUILD_WSI_WAYLAND "Build the Wayland WSI support" TRUE)
option_if_not_defined(SWIFTSHADER_BUILD_WSI_DIRECTFB "Build the DirectFB WSI support" FALSE)
option_if_not_defined(SWIFTSHADER_BUILD_WSI_D2D "Build the Direct-to-Display WSI support" FALSE)
endif()
option_if_not_defined(SWIFTSHADER_BUILD_PVR "Build the PowerVR examples" FALSE)
option_if_not_defined(SWIFTSHADER_BUILD_TESTS "Build unit tests" TRUE)
option_if_not_defined(SWIFTSHADER_BUILD_BENCHMARKS "Build benchmarks" FALSE)
option_if_not_defined(SWIFTSHADER_USE_GROUP_SOURCES "Group the source files in a folder tree for Visual Studio" TRUE)
option_if_not_defined(SWIFTSHADER_MSAN "Build with memory sanitizer" FALSE)
option_if_not_defined(SWIFTSHADER_ASAN "Build with address sanitizer" FALSE)
option_if_not_defined(SWIFTSHADER_TSAN "Build with thread sanitizer" FALSE)
option_if_not_defined(SWIFTSHADER_UBSAN "Build with undefined behavior sanitizer" FALSE)
option_if_not_defined(SWIFTSHADER_EMIT_COVERAGE "Emit code coverage information" FALSE)
option_if_not_defined(SWIFTSHADER_WARNINGS_AS_ERRORS "Treat all warnings as errors" TRUE)
option_if_not_defined(SWIFTSHADER_DCHECK_ALWAYS_ON "Check validation macros even in release builds" FALSE)
option_if_not_defined(REACTOR_EMIT_DEBUG_INFO "Emit debug info for JIT functions" FALSE)
option_if_not_defined(REACTOR_EMIT_PRINT_LOCATION "Emit printing of location info for JIT functions" FALSE)
option_if_not_defined(REACTOR_EMIT_ASM_FILE "Emit asm files for JIT functions" FALSE)
option_if_not_defined(REACTOR_ENABLE_PRINT "Enable RR_PRINT macros" FALSE)
option_if_not_defined(REACTOR_VERIFY_LLVM_IR "Check reactor-generated LLVM IR is valid even in release builds" FALSE)
option_if_not_defined(SWIFTSHADER_LESS_DEBUG_INFO "Generate less debug info to reduce file size" FALSE)
# option_if_not_defined(SWIFTSHADER_ENABLE_VULKAN_DEBUGGER "Enable Vulkan debugger support" FALSE) # TODO(b/251802301)
option_if_not_defined(SWIFTSHADER_ENABLE_ASTC "Enable ASTC compressed textures support" TRUE) # TODO(b/150130101)
if(SWIFTSHADER_ENABLE_VULKAN_DEBUGGER)
set(SWIFTSHADER_BUILD_CPPDAP TRUE)
endif()
set(DEFAULT_REACTOR_BACKEND "LLVM")
set(REACTOR_BACKEND ${DEFAULT_REACTOR_BACKEND} CACHE STRING "JIT compiler back-end used by Reactor")
set_property(CACHE REACTOR_BACKEND PROPERTY STRINGS LLVM LLVM-Submodule Subzero)
set(DEFAULT_SWIFTSHADER_LLVM_VERSION "10.0")
set(SWIFTSHADER_LLVM_VERSION ${DEFAULT_SWIFTSHADER_LLVM_VERSION} CACHE STRING "LLVM version to use")
set_property(CACHE SWIFTSHADER_LLVM_VERSION PROPERTY STRINGS "10.0")
# If defined, overrides the default optimization level of the current reactor backend.
# Set to one of the rr::Optimization::Level enum values.
set(REACTOR_DEFAULT_OPT_LEVEL "" CACHE STRING "Reactor default optimization level")
set_property(CACHE REACTOR_DEFAULT_OPT_LEVEL PROPERTY STRINGS "None" "Less" "Default" "Aggressive")
if(NOT DEFINED SWIFTSHADER_LOGGING_LEVEL)
set(SWIFTSHADER_LOGGING_LEVEL "Info" CACHE STRING "SwiftShader logging level")
set_property(CACHE SWIFTSHADER_LOGGING_LEVEL PROPERTY STRINGS "Verbose" "Debug" "Info" "Warn" "Error" "Fatal" "Disabled")
endif()
# LLVM disallows calling cmake . from the main LLVM dir, the reason is that
# it builds header files that could overwrite the orignal ones. Here we
# want to include LLVM as a subdirectory and even though it wouldn't cause
# the problem, if cmake . is called from the main dir, the condition that
# LLVM checkes, "CMAKE_CURRENT_SOURCE_DIR == CMAKE_CURRENT_BINARY_DIR" will be true. So we
# disallow it ourselves too to. In addition if there are remining CMakeFiles
# and CMakeCache in the directory, cmake .. from a subdirectory will still
# try to build from the main directory so we instruct users to delete these
# files when they get the error.
if(CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
message(FATAL_ERROR "In source builds are not allowed by LLVM, please create a build/ directory and build from there. You may have to delete the CMakeCache.txt file and CMakeFiles directory that are next to the CMakeLists.txt.")
endif()
set_property(GLOBAL PROPERTY USE_FOLDERS TRUE)
###########################################################
# Directories
###########################################################
set(SWIFTSHADER_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(SOURCE_DIR ${SWIFTSHADER_DIR}/src)
set(THIRD_PARTY_DIR ${SWIFTSHADER_DIR}/third_party)
set(TESTS_DIR ${SWIFTSHADER_DIR}/tests)
###########################################################
# Initialize submodules
###########################################################
function(InitSubmodule target submodule_dir)
if (NOT TARGET ${target})
if(NOT EXISTS ${submodule_dir}/.git)
message(WARNING "
Target ${target} from submodule ${submodule_dir} missing.
Running 'git submodule update --init' to download it:
")
execute_process(COMMAND git -C ${SWIFTSHADER_DIR} submodule update --init ${submodule_dir})
endif()
endif()
endfunction()
if (SWIFTSHADER_BUILD_TESTS OR SWIFTSHADER_BUILD_BENCHMARKS)
set(BUILD_VULKAN_WRAPPER TRUE)
endif()
if (BUILD_VULKAN_WRAPPER)
InitSubmodule(glslang ${THIRD_PARTY_DIR}/glslang)
endif()
if (SWIFTSHADER_BUILD_TESTS)
InitSubmodule(gtest ${THIRD_PARTY_DIR}/googletest)
endif()
if(SWIFTSHADER_BUILD_BENCHMARKS)
InitSubmodule(benchmark::benchmark ${THIRD_PARTY_DIR}/benchmark)
endif()
if(REACTOR_EMIT_DEBUG_INFO)
InitSubmodule(libbacktrace ${THIRD_PARTY_DIR}/libbacktrace/src)
endif()
if(SWIFTSHADER_BUILD_PVR)
InitSubmodule(PVRCore ${THIRD_PARTY_DIR}/PowerVR_Examples)
endif()
if(SWIFTSHADER_BUILD_CPPDAP)
InitSubmodule(json ${THIRD_PARTY_DIR}/json)
InitSubmodule(cppdap ${THIRD_PARTY_DIR}/cppdap)
endif()
if(${REACTOR_BACKEND} STREQUAL "LLVM-Submodule")
InitSubmodule(llvm-submodule ${THIRD_PARTY_DIR}/llvm-project)
endif()
###########################################################
# Convenience macros
###########################################################
# Recursively calls source_group on the files of the directory
# so that Visual Studio has the files in a folder tree
macro(group_all_sources directory)
file(GLOB files RELATIVE ${SWIFTSHADER_DIR}/${directory} ${SWIFTSHADER_DIR}/${directory}/*)
foreach(file ${files})
if(IS_DIRECTORY ${SWIFTSHADER_DIR}/${directory}/${file})
group_all_sources(${directory}/${file})
else()
string(REPLACE "/" "\\" groupname ${directory})
source_group(${groupname} FILES ${SWIFTSHADER_DIR}/${directory}/${file})
endif()
endforeach()
endmacro()
# Takes target library and a directory where the export map is
# and add the linker options so that only the API symbols are
# exported.
macro(set_shared_library_export_map TARGET DIR)
if(MSVC)
set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_FLAGS " /DEF:\"${DIR}/${TARGET}.def\"")
elseif(APPLE)
# The exported symbols list only exports the API functions and
# hides all the others.
set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_FLAGS "-exported_symbols_list ${DIR}/${TARGET}.exports")
set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_DEPENDS "${DIR}/${TARGET}.exports;")
# Don't allow undefined symbols, unless it's a Sanitizer build.
if(NOT SWIFTSHADER_MSAN AND NOT SWIFTSHADER_ASAN AND NOT SWIFTSHADER_TSAN AND NOT SWIFTSHADER_UBSAN)
set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,-undefined,error")
endif()
elseif(LINUX OR FUCHSIA)
# NOTE: The Fuchsia linker script is needed to export the vk_icdInitializeConnectToServiceCallback
# entry point (a private implementation detail betwen the Fuchsia Vulkan loader and the ICD).
if ((FUCHSIA) AND ("${TARGET}" STREQUAL "vk_swiftshader"))
set(LINKER_VERSION_SCRIPT "fuchsia_vk_swiftshader.lds")
else()
set(LINKER_VERSION_SCRIPT "${TARGET}.lds")
endif()
# The version script only exports the API functions and
# hides all the others.
set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,--version-script=${DIR}/${LINKER_VERSION_SCRIPT}")
set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_DEPENDS "${DIR}/${LINKER_VERSION_SCRIPT};")
# -Bsymbolic binds symbol references to their global definitions within
# a shared object, thereby preventing symbol preemption.
set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,-Bsymbolic")
if(ARCH STREQUAL "mipsel" OR ARCH STREQUAL "mips64el")
# MIPS supports sysv hash-style only.
set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,--hash-style=sysv")
elseif(LINUX)
# Both hash-style are needed, because we want both gold and
# GNU ld to be able to read our libraries.
set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,--hash-style=both")
endif()
if(NOT ${SWIFTSHADER_EMIT_COVERAGE})
# Gc sections is used in combination with each functions being
# in its own section, to reduce the binary size.
set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,--gc-sections")
endif()
# Don't allow undefined symbols, unless it's a Sanitizer build.
if(NOT SWIFTSHADER_MSAN AND NOT SWIFTSHADER_ASAN AND NOT SWIFTSHADER_TSAN AND NOT SWIFTSHADER_UBSAN)
set_property(TARGET ${TARGET} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,--no-undefined")
endif()
endif()
endmacro()
if(SWIFTSHADER_USE_GROUP_SOURCES)
group_all_sources(src)
endif()
###########################################################
# Compile flags
###########################################################
# Flags for project code (non 3rd party)
set(SWIFTSHADER_COMPILE_OPTIONS "")
set(SWIFTSHADER_LINK_FLAGS "")
set(SWIFTSHADER_LIBS "")
macro(set_cpp_flag FLAG)
if(${ARGC} GREATER 1)
set(CMAKE_CXX_FLAGS_${ARGV1} "${CMAKE_CXX_FLAGS_${ARGV1}} ${FLAG}")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${FLAG}")
endif()
endmacro()
macro(set_linker_flag FLAG)
if(${ARGC} GREATER 1)
set(CMAKE_EXE_LINKER_FLAGS_${ARGV1} "${CMAKE_EXE_LINKER_FLAGS_${ARGV1}} ${FLAG}")
set(CMAKE_SHARED_LINKER_FLAGS_${ARGV1} "${CMAKE_EXE_LINKER_FLAGS_${ARGV1}} ${FLAG}")
else()
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FLAG}")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${FLAG}")
endif()
endmacro()
if(MSVC)
set_cpp_flag("/MP")
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
add_definitions(-D_SCL_SECURE_NO_WARNINGS)
add_definitions(-D_SBCS) # Single Byte Character Set (ASCII)
add_definitions(-D_ENABLE_EXTENDED_ALIGNED_STORAGE) # Disable MSVC warnings about std::aligned_storage being broken before VS 2017 15.8
set_linker_flag("/DEBUG:FASTLINK" DEBUG)
set_linker_flag("/DEBUG:FASTLINK" RELWITHDEBINFO)
# Disable specific warnings
# TODO: Not all of these should be disabled, but for now, we want a warning-free msvc build. Remove these one by one
# and fix the actual warnings in code.
list(APPEND SWIFTSHADER_COMPILE_OPTIONS
"/wd4005" # 'identifier' : macro redefinition
"/wd4018" # 'expression' : signed/unsigned mismatch
"/wd4065" # switch statement contains 'default' but no 'case' labels
"/wd4141" # 'modifier' : used more than once
"/wd4244" # 'conversion' conversion from 'type1' to 'type2', possible loss of data
"/wd4267" # 'var' : conversion from 'size_t' to 'type', possible loss of data
"/wd4291" # 'void X new(size_t,unsigned int,unsigned int)': no matching operator delete found; memory will not be freed if initialization throws an exception
"/wd4309" # 'conversion' : truncation of constant value
"/wd4624" # 'derived class' : destructor was implicitly defined as deleted because a base class destructor is inaccessible or deleted
"/wd4800" # 'type' : forcing value to bool 'true' or 'false' (performance warning)
"/wd4838" # conversion from 'type_1' to 'type_2' requires a narrowing conversion
"/wd5030" # attribute 'attribute' is not recognized
"/wd5038" # data member 'member1' will be initialized after data member 'member2' data member 'member' will be initialized after base class 'base_class'
"/wd4146" # unary minus operator applied to unsigned type, result still unsigned
)
# Treat specific warnings as errors
list(APPEND SWIFTSHADER_COMPILE_OPTIONS
"/we4018" # 'expression' : signed/unsigned mismatch
"/we4062" # enumerator 'identifier' in switch of enum 'enumeration' is not handled
"/we4471" # 'enumeration': a forward declaration of an unscoped enumeration must have an underlying type (int assumed)
"/we4838" # conversion from 'type_1' to 'type_2' requires a narrowing conversion
"/we5038" # data member 'member1' will be initialized after data member 'member2' data member 'member' will be initialized after base class 'base_class'
"/we4101" # 'identifier' : unreferenced local variable
)
else()
# Explicitly enable these warnings.
list(APPEND SWIFTSHADER_COMPILE_OPTIONS
"-Wall"
"-Wreorder"
"-Wsign-compare"
"-Wmissing-braces"
)
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 9)
list(APPEND SWIFTSHADER_COMPILE_OPTIONS
"-Wdeprecated-copy" # implicit copy constructor for 'X' is deprecated because of user-declared copy assignment operator.
)
endif()
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
list(APPEND SWIFTSHADER_COMPILE_OPTIONS
"-Wextra"
"-Wunreachable-code-loop-increment"
"-Wunused-lambda-capture"
"-Wstring-conversion"
"-Wextra-semi"
"-Wignored-qualifiers"
"-Wdeprecated-copy" # implicit copy constructor for 'X' is deprecated because of user-declared copy assignment operator.
# TODO(b/208256248): Avoid exit-time destructor.
#"-Wexit-time-destructors" # declaration requires an exit-time destructor
)
endif()
if (SWIFTSHADER_EMIT_COVERAGE)
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
list(APPEND SWIFTSHADER_COMPILE_OPTIONS "--coverage")
list(APPEND SWIFTSHADER_LIBS "gcov")
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
list(APPEND SWIFTSHADER_COMPILE_OPTIONS "-fprofile-instr-generate" "-fcoverage-mapping")
list(APPEND SWIFTSHADER_LINK_FLAGS "-fprofile-instr-generate" "-fcoverage-mapping")
else()
message(FATAL_ERROR "Coverage generation not supported for the ${CMAKE_CXX_COMPILER_ID} toolchain")
endif()
endif()
# Disable pedantic warnings
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
list(APPEND SWIFTSHADER_COMPILE_OPTIONS
"-Wno-ignored-attributes" # ignoring attributes on template argument 'X'
"-Wno-attributes" # 'X' attribute ignored
"-Wno-strict-aliasing" # dereferencing type-punned pointer will break strict-aliasing rules
"-Wno-comment" # multi-line comment
)
if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 9)
list(APPEND SWIFTSHADER_COMPILE_OPTIONS
"-Wno-init-list-lifetime" # assignment from temporary initializer_list does not extend the lifetime of the underlying array
)
endif()
elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
list(APPEND SWIFTSHADER_COMPILE_OPTIONS
"-Wno-unneeded-internal-declaration" # function 'X' is not needed and will not be emitted
"-Wno-unused-private-field" # private field 'offset' is not used - TODO: Consider enabling this once Vulkan is further implemented.
"-Wno-comment" # multi-line comment
"-Wno-extra-semi" # extra ';' after member function definition
"-Wno-unused-parameter" # unused parameter 'X'
# Silence errors caused by unknown warnings when building with older
# versions of Clang. This demands checking that warnings added above
# are spelled correctly and work as intended!
"-Wno-unknown-warning-option"
)
endif()
if(ARCH STREQUAL "x86")
set_cpp_flag("-m32")
set_cpp_flag("-msse2")
set_cpp_flag("-mfpmath=sse")
set_cpp_flag("-march=pentium4")
set_cpp_flag("-mtune=generic")
endif()
if(ARCH STREQUAL "x86_64")
set_cpp_flag("-m64")
set_cpp_flag("-fPIC")
set_cpp_flag("-march=x86-64")
set_cpp_flag("-mtune=generic")
endif()
if(ARCH STREQUAL "mipsel")
set_cpp_flag("-EL")
set_cpp_flag("-march=mips32r2")
set_cpp_flag("-fPIC")
set_cpp_flag("-mhard-float")
set_cpp_flag("-mfp32")
set_cpp_flag("-mxgot")
endif()
if(ARCH STREQUAL "mips64el")
set_cpp_flag("-EL")
set_cpp_flag("-march=mips64r2")
set_cpp_flag("-mabi=64")
set_cpp_flag("-fPIC")
set_cpp_flag("-mxgot")
endif()
if(SWIFTSHADER_LESS_DEBUG_INFO)
# Use -g1 to be able to get stack traces
set_cpp_flag("-g -g1" DEBUG)
set_cpp_flag("-g -g1" RELWITHDEBINFO)
else()
# Use -g3 to have even more debug info
set_cpp_flag("-g -g3" DEBUG)
set_cpp_flag("-g -g3" RELWITHDEBINFO)
endif()
if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
# Treated as an unused argument with clang
set_cpp_flag("-s" RELEASE)
endif()
# For distribution it is more important to be slim than super optimized
set_cpp_flag("-Os" RELEASE)
set_cpp_flag("-Os" RELWITHDEBINFO)
set_cpp_flag("-DNDEBUG" RELEASE)
set_cpp_flag("-DNDEBUG" RELWITHDEBINFO)
# Put each variable and function in its own section so that when linking
# with -gc-sections unused functions and variables are removed.
set_cpp_flag("-ffunction-sections" RELEASE)
set_cpp_flag("-fdata-sections" RELEASE)
set_cpp_flag("-fomit-frame-pointer" RELEASE)
if(SWIFTSHADER_MSAN)
if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
message(FATAL_ERROR " \n"
" MemorySanitizer usage requires compiling with Clang.")
endif()
if(NOT DEFINED ENV{SWIFTSHADER_MSAN_INSTRUMENTED_LIBCXX_PATH})
message(FATAL_ERROR " \n"
" MemorySanitizer usage requires an instrumented build of libc++.\n"
" Set the SWIFTSHADER_MSAN_INSTRUMENTED_LIBCXX_PATH environment variable to the\n"
" build output path. See\n"
" https://github.com/google/sanitizers/wiki/MemorySanitizerLibcxxHowTo#instrumented-libc\n"
" for details on how to build an MSan instrumented libc++.")
endif()
set_cpp_flag("-fsanitize=memory")
set_linker_flag("-fsanitize=memory")
set_cpp_flag("-stdlib=libc++")
set_linker_flag("-L$ENV{SWIFTSHADER_MSAN_INSTRUMENTED_LIBCXX_PATH}/lib")
set_cpp_flag("-I$ENV{SWIFTSHADER_MSAN_INSTRUMENTED_LIBCXX_PATH}/include")
set_cpp_flag("-I$ENV{SWIFTSHADER_MSAN_INSTRUMENTED_LIBCXX_PATH}/include/c++/v1")
set_linker_flag("-Wl,-rpath,$ENV{SWIFTSHADER_MSAN_INSTRUMENTED_LIBCXX_PATH}/lib")
elseif(SWIFTSHADER_ASAN)
set_cpp_flag("-fsanitize=address")
set_linker_flag("-fsanitize=address")
elseif(SWIFTSHADER_TSAN)
set_cpp_flag("-fsanitize=thread")
set_linker_flag("-fsanitize=thread")
elseif(SWIFTSHADER_UBSAN)
set_cpp_flag("-fsanitize=undefined")
set_linker_flag("-fsanitize=undefined")
endif()
endif()
if(SWIFTSHADER_DCHECK_ALWAYS_ON)
list(APPEND SWIFTSHADER_COMPILE_OPTIONS "-DDCHECK_ALWAYS_ON")
endif()
if(SWIFTSHADER_WARNINGS_AS_ERRORS)
if(MSVC)
set(WARNINGS_AS_ERRORS "/WX") # Treat all warnings as errors
else()
set(WARNINGS_AS_ERRORS "-Werror") # Treat all warnings as errors
endif()
endif()
# Enable Reactor Print() functionality in Debug/RelWithDebInfo builds or when explicitly enabled.
if(CMAKE_BUILD_TYPE MATCHES "Deb")
set(REACTOR_ENABLE_PRINT TRUE)
endif()
if(REACTOR_EMIT_PRINT_LOCATION)
# This feature depends on REACTOR_EMIT_DEBUG_INFO and REACTOR_ENABLE_PRINT
set(REACTOR_EMIT_DEBUG_INFO TRUE)
set(REACTOR_ENABLE_PRINT TRUE)
list(APPEND SWIFTSHADER_COMPILE_OPTIONS "-DENABLE_RR_EMIT_PRINT_LOCATION")
endif()
if(REACTOR_EMIT_ASM_FILE)
list(APPEND SWIFTSHADER_COMPILE_OPTIONS "-DENABLE_RR_EMIT_ASM_FILE")
endif()
if(REACTOR_EMIT_DEBUG_INFO)
message(WARNING "REACTOR_EMIT_DEBUG_INFO is enabled. This will likely affect performance.")
list(APPEND SWIFTSHADER_COMPILE_OPTIONS "-DENABLE_RR_DEBUG_INFO")
endif()
if(REACTOR_ENABLE_PRINT)
list(APPEND SWIFTSHADER_COMPILE_OPTIONS "-DENABLE_RR_PRINT")
endif()
if(REACTOR_VERIFY_LLVM_IR)
list(APPEND SWIFTSHADER_COMPILE_OPTIONS "-DENABLE_RR_LLVM_IR_VERIFICATION")
endif()
if(REACTOR_DEFAULT_OPT_LEVEL)
list(APPEND SWIFTSHADER_COMPILE_OPTIONS "-DREACTOR_DEFAULT_OPT_LEVEL=${REACTOR_DEFAULT_OPT_LEVEL}")
endif()
if(DEFINED SWIFTSHADER_LOGGING_LEVEL)
list(APPEND SWIFTSHADER_COMPILE_OPTIONS "-DSWIFTSHADER_LOGGING_LEVEL=${SWIFTSHADER_LOGGING_LEVEL}")
endif()
if(WIN32)
add_definitions(-DWINVER=0x501 -DNOMINMAX -DSTRICT)
set(CMAKE_FIND_LIBRARY_PREFIXES ${CMAKE_FIND_LIBRARY_PREFIXES} "" "lib")
endif()
set(USE_EXCEPTIONS
${REACTOR_EMIT_DEBUG_INFO} # boost::stacktrace uses exceptions
)
if(NOT MSVC)
if (${USE_EXCEPTIONS})
list(APPEND SWIFTSHADER_COMPILE_OPTIONS "-fexceptions")
else()
list(APPEND SWIFTSHADER_COMPILE_OPTIONS "-fno-exceptions")
endif()
endif()
unset(USE_EXCEPTIONS)
###########################################################
# libbacktrace and boost
###########################################################
if(REACTOR_EMIT_DEBUG_INFO)
add_subdirectory(${THIRD_PARTY_DIR}/libbacktrace EXCLUDE_FROM_ALL)
add_subdirectory(${THIRD_PARTY_DIR}/boost EXCLUDE_FROM_ALL)
endif()
###########################################################
# LLVM
###########################################################
add_subdirectory(${THIRD_PARTY_DIR}/llvm-${SWIFTSHADER_LLVM_VERSION} EXCLUDE_FROM_ALL)
set_target_properties(llvm PROPERTIES FOLDER "third_party")
###########################################################
# LLVM-Submodule
###########################################################
if(${REACTOR_BACKEND} STREQUAL "LLVM-Submodule")
set(LLVM_INCLUDE_TESTS FALSE)
set(LLVM_ENABLE_RTTI TRUE)
add_subdirectory(${THIRD_PARTY_DIR}/llvm-project/llvm EXCLUDE_FROM_ALL)
if(ARCH STREQUAL "aarch64")
llvm_map_components_to_libnames(llvm_libs orcjit aarch64asmparser aarch64codegen)
elseif(ARCH STREQUAL "arm")
llvm_map_components_to_libnames(llvm_libs orcjit armasmparser armcodegen)
elseif(ARCH MATCHES "^mips.*")
llvm_map_components_to_libnames(llvm_libs orcjit mipsasmparser mipscodegen)
elseif(ARCH STREQUAL "ppc64le")
llvm_map_components_to_libnames(llvm_libs orcjit powerpcasmparser powerpccodegen)
elseif(ARCH MATCHES "^x86.*")
llvm_map_components_to_libnames(llvm_libs orcjit x86asmparser x86codegen)
endif()
set_target_properties(${llvm_libs} PROPERTIES FOLDER "third_party")
endif()
###########################################################
# Subzero
###########################################################
add_subdirectory(${THIRD_PARTY_DIR}/llvm-subzero EXCLUDE_FROM_ALL)
add_subdirectory(${THIRD_PARTY_DIR}/subzero EXCLUDE_FROM_ALL)
set_target_properties(llvm-subzero PROPERTIES FOLDER "third_party")
set_target_properties(subzero PROPERTIES FOLDER "third_party")
###########################################################
# marl
###########################################################
set(MARL_THIRD_PARTY_DIR ${THIRD_PARTY_DIR})
add_subdirectory(${THIRD_PARTY_DIR}/marl)
set_target_properties(marl PROPERTIES FOLDER "third_party")
if(MARL_THREAD_SAFETY_ANALYSIS_SUPPORTED)
list(APPEND SWIFTSHADER_COMPILE_OPTIONS "-Wthread-safety")
endif()
###########################################################
# cppdap
###########################################################
if(SWIFTSHADER_BUILD_CPPDAP)
set(CPPDAP_THIRD_PARTY_DIR ${THIRD_PARTY_DIR})
add_subdirectory(${THIRD_PARTY_DIR}/cppdap)
endif()
###########################################################
# astc-encoder
###########################################################
if(SWIFTSHADER_ENABLE_ASTC)
add_subdirectory(${THIRD_PARTY_DIR}/astc-encoder)
set_target_properties(astc-encoder PROPERTIES FOLDER "third_party")
endif()
###########################################################
# gtest and gmock
###########################################################
if(SWIFTSHADER_BUILD_TESTS)
# For Win32, force gtest to match our CRT (shared)
set(gtest_force_shared_crt TRUE CACHE BOOL "" FORCE)
set(INSTALL_GTEST FALSE CACHE BOOL "" FORCE)
add_subdirectory(${THIRD_PARTY_DIR}/googletest EXCLUDE_FROM_ALL)
# gtest finds python, which picks python 2 first, if present.
# We need to undo this so that SPIR-V can later find python3.
unset(PYTHON_EXECUTABLE CACHE)
set_target_properties(gmock PROPERTIES FOLDER "third_party")
set_target_properties(gmock_main PROPERTIES FOLDER "third_party")
set_target_properties(gtest PROPERTIES FOLDER "third_party")
set_target_properties(gtest_main PROPERTIES FOLDER "third_party")
endif()
###########################################################
# File Lists
###########################################################
###########################################################
# Append OS specific files to lists
###########################################################
if(WIN32)
set(OS_LIBS odbc32 odbccp32 WS2_32 dxguid)
elseif(LINUX)
set(OS_LIBS dl pthread)
if(SWIFTSHADER_BUILD_WSI_WAYLAND)
include_directories("${SWIFTSHADER_DIR}/include/Wayland")
endif()
if(SWIFTSHADER_BUILD_WSI_DIRECTFB)
list(APPEND OS_LIBS "${DIRECTFB}")
include_directories(${DIRECTFB_INCLUDE_DIR}/directfb)
endif()
if(SWIFTSHADER_BUILD_WSI_D2D)
list(APPEND OS_LIBS "${D2D}")
include_directories(${D2D_INCLUDE_DIR}/libdrm)
endif()
elseif(FUCHSIA)
set(OS_LIBS zircon)
elseif(APPLE)
find_library(COCOA_FRAMEWORK Cocoa)
find_library(QUARTZ_FRAMEWORK Quartz)
find_library(CORE_FOUNDATION_FRAMEWORK CoreFoundation)
find_library(IOSURFACE_FRAMEWORK IOSurface)
find_library(METAL_FRAMEWORK Metal)
set(OS_LIBS "${COCOA_FRAMEWORK}" "${QUARTZ_FRAMEWORK}" "${CORE_FOUNDATION_FRAMEWORK}" "${IOSURFACE_FRAMEWORK}" "${METAL_FRAMEWORK}")
endif()
###########################################################
# SwiftShader Targets
###########################################################
add_subdirectory(src/Reactor) # Add ReactorSubzero and ReactorLLVM targets
if(${REACTOR_BACKEND} STREQUAL "LLVM")
add_library(Reactor ALIAS ReactorLLVM)
elseif(${REACTOR_BACKEND} STREQUAL "LLVM-Submodule")
add_library(Reactor ALIAS ReactorLLVMSubmodule)
elseif(${REACTOR_BACKEND} STREQUAL "Subzero")
add_library(Reactor ALIAS ReactorSubzero)
else()
message(FATAL_ERROR "REACTOR_BACKEND must be 'LLVM', 'LLVM-Submodule' or 'Subzero'")
endif()
if (NOT TARGET SPIRV-Tools)
# This variable is also used by SPIRV-Tools to locate SPIRV-Headers
set(SPIRV-Headers_SOURCE_DIR "${THIRD_PARTY_DIR}/SPIRV-Headers")
set(SPIRV_SKIP_TESTS TRUE CACHE BOOL "" FORCE)
set(SPIRV_SKIP_EXECUTABLES TRUE CACHE BOOL "" FORCE)
set(SPIRV_WERROR FALSE CACHE BOOL "" FORCE)
add_subdirectory(${THIRD_PARTY_DIR}/SPIRV-Tools) # Add SPIRV-Tools target
endif()
# Add a vk_base interface library for shared vulkan build options.
# TODO: Create src/Base and make this a lib target, and move stuff from
# src/Vulkan into it that is needed by vk_pipeline, vk_device, and vk_wsi.
add_library(vk_base INTERFACE)
if(SWIFTSHADER_ENABLE_VULKAN_DEBUGGER)
target_compile_definitions(vk_base INTERFACE "ENABLE_VK_DEBUGGER")
endif()
if(WIN32)
target_compile_definitions(vk_base INTERFACE "VK_USE_PLATFORM_WIN32_KHR")
elseif(LINUX)
if(SWIFTSHADER_BUILD_WSI_XCB)
target_compile_definitions(vk_base INTERFACE "VK_USE_PLATFORM_XCB_KHR")
endif()
if(SWIFTSHADER_BUILD_WSI_WAYLAND)
target_compile_definitions(vk_base INTERFACE "VK_USE_PLATFORM_WAYLAND_KHR")
endif()
if(SWIFTSHADER_BUILD_WSI_DIRECTFB)
if(DIRECTFB AND DIRECTFB_INCLUDE_DIR)
target_compile_definitions(vk_base INTERFACE "VK_USE_PLATFORM_DIRECTFB_EXT")
endif()
endif(SWIFTSHADER_BUILD_WSI_DIRECTFB)
if(SWIFTSHADER_BUILD_WSI_D2D)
if(D2D)
target_compile_definitions(vk_base INTERFACE "VK_USE_PLATFORM_DISPLAY_KHR")
endif()
endif(SWIFTSHADER_BUILD_WSI_D2D)
elseif(APPLE)
target_compile_definitions(vk_base INTERFACE "VK_USE_PLATFORM_MACOS_MVK")
target_compile_definitions(vk_base INTERFACE "VK_USE_PLATFORM_METAL_EXT")
elseif(FUCHSIA)
target_compile_definitions(vk_base INTERFACE "VK_USE_PLATFORM_FUCHSIA")
else()
message(FATAL_ERROR "Platform does not support Vulkan yet")
endif()
add_subdirectory(src/System) # Add vk_system target
add_subdirectory(src/Pipeline) # Add vk_pipeline target
add_subdirectory(src/WSI) # Add vk_wsi target
add_subdirectory(src/Device) # Add vk_device target
add_subdirectory(src/Vulkan) # Add vk_swiftshader target
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND # turbo-cov is only useful for clang coverage info
SWIFTSHADER_EMIT_COVERAGE)
add_subdirectory(${TESTS_DIR}/regres/cov/turbo-cov)
endif()
###########################################################
# Sample programs and tests
###########################################################
# TODO(b/161976310): Add support for building PowerVR on MacOS
if(APPLE AND SWIFTSHADER_BUILD_PVR)
message(WARNING "Building PowerVR examples for SwiftShader is not yet supported on Apple platforms.")
set(SWIFTSHADER_BUILD_PVR FALSE)
endif()
if(SWIFTSHADER_BUILD_PVR)
if(UNIX AND NOT APPLE)
set(PVR_WINDOW_SYSTEM XCB)
# Set the RPATH of the next defined build targets to $ORIGIN,
# allowing them to load shared libraries from the execution directory.
set(CMAKE_BUILD_RPATH "$ORIGIN")
endif()
set(PVR_BUILD_EXAMPLES TRUE CACHE BOOL "Build the PowerVR SDK Examples" FORCE)
set(PVR_BUILD_VULKAN_EXAMPLES TRUE CACHE BOOL "Build the Vulkan PowerVR SDK Examples" FORCE)
add_subdirectory(${THIRD_PARTY_DIR}/PowerVR_Examples)
# Samples known to work well
set(PVR_VULKAN_TARGET_GOOD
VulkanBumpmap
VulkanExampleUI
VulkanGaussianBlur
VulkanGlass
VulkanGnomeHorde
VulkanHelloAPI
VulkanImageBasedLighting
VulkanIntroducingPVRUtils
VulkanMultiSampling
VulkanNavigation2D
VulkanParticleSystem
VulkanSkinning
)
set(PVR_VULKAN_TARGET_OTHER
VulkanDeferredShading
VulkanDeferredShadingPFX
VulkanGameOfLife
VulkanIBLMapsGenerator
VulkanIMGTextureFilterCubic
VulkanIntroducingPVRShell
VulkanIntroducingPVRVk
VulkanIntroducingUIRenderer
VulkanMultithreading
VulkanNavigation3D
VulkanPostProcessing
VulkanPVRScopeExample
VulkanPVRScopeRemote
)
set(PVR_TARGET_OTHER
glslang
glslangValidator
glslang-default-resource-limits
OSDependent
pugixml
PVRAssets
PVRCamera
PVRCore
PVRPfx
PVRShell
PVRUtilsVk
PVRVk
SPIRV
spirv-remap
SPVRemapper
uninstall
)
set(PVR_VULKAN_TARGET
${PVR_VULKAN_TARGET_GOOD}
${PVR_VULKAN_TARGET_OTHER}
)
foreach(pvr_target ${PVR_VULKAN_TARGET})
add_dependencies(${pvr_target} vk_swiftshader)
endforeach()
foreach(pvr_target ${PVR_VULKAN_TARGET_GOOD})
set_target_properties(${pvr_target} PROPERTIES FOLDER Samples)
endforeach()
foreach(pvr_target ${PVR_TARGET_OTHER} ${PVR_VULKAN_TARGET_OTHER})
set_target_properties(${pvr_target} PROPERTIES FOLDER Samples/PowerVR-Build)
endforeach()
endif()
if(BUILD_VULKAN_WRAPPER)
if (NOT TARGET glslang)
add_subdirectory(${THIRD_PARTY_DIR}/glslang)
endif()
add_subdirectory(${TESTS_DIR}/VulkanWrapper) # Add VulkanWrapper target
endif()
if(SWIFTSHADER_BUILD_TESTS)
add_subdirectory(${TESTS_DIR}/ReactorUnitTests) # Add ReactorUnitTests target
add_subdirectory(${TESTS_DIR}/MathUnitTests) # Add math-unittests target
add_subdirectory(${TESTS_DIR}/SystemUnitTests) # Add system-unittests target
endif()
if(SWIFTSHADER_BUILD_BENCHMARKS)
if (NOT TARGET benchmark::benchmark)
set(BENCHMARK_ENABLE_TESTING FALSE CACHE BOOL FALSE FORCE)
add_subdirectory(${THIRD_PARTY_DIR}/benchmark)
set_target_properties(benchmark PROPERTIES FOLDER "third_party")
set_target_properties(benchmark_main PROPERTIES FOLDER "third_party")
endif()
add_subdirectory(${TESTS_DIR}/PipelineBenchmarks) # Add PipelineBenchmarks target
add_subdirectory(${TESTS_DIR}/ReactorBenchmarks) # Add ReactorBenchmarks target
add_subdirectory(${TESTS_DIR}/SystemBenchmarks) # Add system-benchmarks target
add_subdirectory(${TESTS_DIR}/VulkanBenchmarks) # Add VulkanBenchmarks target
endif()
if(SWIFTSHADER_BUILD_TESTS)
add_subdirectory(${TESTS_DIR}/VulkanUnitTests) # Add VulkanUnitTests target
endif()