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include_directories(
${CMAKE_CURRENT_SOURCE_DIR}
${CMAKE_CURRENT_BINARY_DIR}
${CMAKE_PROJECT_BINARY_DIR}
${CMAKE_BINARY_DIR}
)
# Check for the existance of the secure_getenv or __secure_getenv commands
include(CheckFunctionExists)
CHECK_FUNCTION_EXISTS(secure_getenv HAVE_SECURE_GETENV)
CHECK_FUNCTION_EXISTS(__secure_getenv HAVE___SECURE_GETENV)
CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/loader_cmake_config.h.in ${CMAKE_CURRENT_BINARY_DIR}/loader_cmake_config.h)
# Fetch header version from vulkan.h
file(STRINGS "../include/vulkan/vulkan.h" lines REGEX "^#define VK_HEADER_VERSION [0-9]+")
list(LENGTH lines len)
if(${len} EQUAL 1)
string(REGEX MATCHALL "[0-9]+" vk_header_version ${lines})
else()
MESSAGE(FATAL_ERROR "Unable to fetch version from vulkan.h")
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
add_definitions(-DVK_USE_PLATFORM_WIN32_KHR -DWIN32_LEAN_AND_MEAN)
set(DisplayServer Win32)
if (NOT MSVC_VERSION LESS 1900)
# Enable control flow guard
message(STATUS "Building loader with control flow guard")
add_compile_options("$<$<CXX_COMPILER_ID:MSVC>:/guard:cf>")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /guard:cf")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /guard:cf")
endif()
elseif(CMAKE_SYSTEM_NAME STREQUAL "Android")
add_definitions(-DVK_USE_PLATFORM_ANDROID_KHR)
elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
if (BUILD_WSI_XCB_SUPPORT)
add_definitions(-DVK_USE_PLATFORM_XCB_KHR)
endif()
if (BUILD_WSI_XLIB_SUPPORT)
add_definitions(-DVK_USE_PLATFORM_XLIB_KHR -DVK_USE_PLATFORM_XLIB_XRANDR_EXT)
endif()
if (BUILD_WSI_WAYLAND_SUPPORT)
add_definitions(-DVK_USE_PLATFORM_WAYLAND_KHR)
endif()
if (BUILD_WSI_MIR_SUPPORT)
add_definitions(-DVK_USE_PLATFORM_MIR_KHR)
include_directories(${MIR_INCLUDE_DIR})
endif()
else()
message(FATAL_ERROR "Unsupported Platform!")
endif()
if (WIN32)
FILE(TO_NATIVE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/vulkan-${MAJOR}.def DEF_FILE)
FILE(READ ${DEF_FILE} DEF_TEXT)
STRING(REGEX REPLACE "vulkan-${MAJOR}.dll" "${API_LOWERCASE}-${MAJOR}.dll" DEF_EDITED "${DEF_TEXT}" )
FILE(WRITE "${CMAKE_CURRENT_BINARY_DIR}/${API_LOWERCASE}-${MAJOR}.def" "${DEF_EDITED}")
endif()
# DEBUG enables runtime loader ICD verification
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DDEBUG")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DDEBUG")
set(NORMAL_LOADER_SRCS
extension_manual.c
loader.c
loader.h
vk_loader_platform.h
vk_loader_layer.h
trampoline.c
wsi.c
wsi.h
debug_report.c
debug_report.h
gpa_helper.h
cJSON.c
cJSON.h
murmurhash.c
murmurhash.h
)
set(OPT_LOADER_SRCS
dev_ext_trampoline.c
phys_dev_ext.c
)
# Check for assembler support
set(ASM_FAILURE_MSG "The build will fall back on building with C code\n")
set(ASM_FAILURE_MSG "${ASM_FAILURE_MSG}Note that this may be unsafe, as the C code requires tail-call optimizations to remove")
set(ASM_FAILURE_MSG "${ASM_FAILURE_MSG} the stack frame for certain calls. If the compiler does not do this, then unknown device")
set(ASM_FAILURE_MSG "${ASM_FAILURE_MSG} extensions will suffer from a corrupted stack.")
if (WIN32)
enable_language(ASM_MASM)
if (CMAKE_ASM_MASM_COMPILER_WORKS)
if (NOT CMAKE_CL_64)
set(CMAKE_ASM_MASM_FLAGS ${CMAKE_ASM_MASM_FLAGS} /safeseh)
endif()
set(OPT_LOADER_SRCS ${OPT_LOADER_SRCS} unknown_ext_chain_masm.asm)
add_executable(asm_offset asm_offset.c)
add_dependencies(asm_offset generate_helper_files loader_gen_files)
add_custom_command(OUTPUT gen_defines.asm DEPENDS asm_offset COMMAND asm_offset MASM)
add_custom_target(loader_asm_gen_files DEPENDS gen_defines.asm)
else()
message(WARNING "Could not find working MASM assebler\n${ASM_FAILURE_MSG}")
set(OPT_LOADER_SRCS ${OPT_LOADER_SRCS} unknown_ext_chain.c)
add_custom_target(loader_asm_gen_files)
endif()
else()
enable_language(ASM-ATT)
set(CMAKE_ASM-ATT_FLAGS "${CMAKE_ASM-ATT_FLAGS} $ENV{ASFLAGS}")
set(CMAKE_ASM-ATT_FLAGS "${CMAKE_ASM-ATT_FLAGS} -I\"${CMAKE_CURRENT_BINARY_DIR}\"")
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/asm_test.asm ".intel_syntax noprefix\n.text\n.global sample\nsample:\nmov ecx, [eax + 16]\n")
try_compile(ASSEMBLER_WORKS ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_BINARY_DIR}/asm_test.asm)
file(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/asm_test.asm)
if (ASSEMBLER_WORKS)
set(OPT_LOADER_SRCS ${OPT_LOADER_SRCS} unknown_ext_chain_gas.asm)
add_executable(asm_offset asm_offset.c)
add_dependencies(asm_offset generate_helper_files loader_gen_files)
add_custom_command(OUTPUT gen_defines.asm DEPENDS asm_offset COMMAND asm_offset GAS)
add_custom_target(loader_asm_gen_files DEPENDS gen_defines.asm)
else()
message(WARNING "Could not find working x86 GAS assembler\n${ASM_FAILURE_MSG}")
set(OPT_LOADER_SRCS ${OPT_LOADER_SRCS} unknown_ext_chain.c)
add_custom_target(loader_asm_gen_files)
endif()
endif()
run_vk_xml_generate(loader_extension_generator.py vk_loader_extensions.h)
run_vk_xml_generate(loader_extension_generator.py vk_loader_extensions.c)
add_custom_target(loader_gen_files DEPENDS
vk_loader_extensions.h
vk_loader_extensions.c
)
if (WIN32)
# Use static MSVCRT libraries
foreach(configuration in CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELEASE CMAKE_C_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELEASE CMAKE_CXX_FLAGS_RELWITHDEBINFO)
if(${configuration} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${configuration} "${${configuration}}")
endif()
endforeach()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_CRT_SECURE_NO_WARNINGS")
# Build dev_ext_trampoline.c with -O2 to allow tail-call optimization.
# Build other C files with normal options
# setup two Cmake targets (loader-norm and loader-opt) for the different compilation flags
separate_arguments(LOCAL_C_FLAGS_DBG WINDOWS_COMMAND ${CMAKE_C_FLAGS_DEBUG})
set(CMAKE_C_FLAGS_DEBUG " ")
separate_arguments(LOCAL_C_FLAGS_REL WINDOWS_COMMAND ${CMAKE_C_FLAGS_RELEASE})
add_library(loader-norm OBJECT ${NORMAL_LOADER_SRCS} dirent_on_windows.c)
add_dependencies(loader-norm generate_helper_files loader_gen_files)
target_compile_options(loader-norm PUBLIC "$<$<CONFIG:DEBUG>:${LOCAL_C_FLAGS_DBG}>")
add_library(loader-opt OBJECT ${OPT_LOADER_SRCS})
add_dependencies(loader-opt generate_helper_files loader_gen_files loader_asm_gen_files)
target_compile_options(loader-opt PUBLIC "$<$<CONFIG:DEBUG>:${LOCAL_C_FLAGS_REL}>")
add_library(${API_LOWERCASE}-${MAJOR} SHARED $<TARGET_OBJECTS:loader-opt> $<TARGET_OBJECTS:loader-norm> ${CMAKE_CURRENT_BINARY_DIR}/${API_LOWERCASE}-${MAJOR}.def ${CMAKE_CURRENT_SOURCE_DIR}/loader.rc)
add_library(VKstatic.${MAJOR} STATIC $<TARGET_OBJECTS:loader-opt> $<TARGET_OBJECTS:loader-norm>)
# Suppress conflicting libs warning for debug builds.
set_target_properties(${API_LOWERCASE}-${MAJOR} PROPERTIES LINK_FLAGS_DEBUG /ignore:4098)
set_target_properties(VKstatic.${MAJOR} PROPERTIES OUTPUT_NAME VKstatic.${MAJOR})
target_link_libraries(${API_LOWERCASE}-${MAJOR} shlwapi Cfgmgr32)
add_dependencies(${API_LOWERCASE}-${MAJOR} generate_helper_files loader_gen_files loader_asm_gen_files)
target_link_libraries(VKstatic.${MAJOR} shlwapi)
if (CMAKE_GENERATOR MATCHES "^Visual Studio.*")
file(TO_NATIVE_PATH ${CMAKE_CURRENT_BINARY_DIR}/$<CONFIGURATION>/${API_LOWERCASE}-${MAJOR}.dll COPY_SRC_PATH)
file(TO_NATIVE_PATH ${CMAKE_CURRENT_BINARY_DIR}/../demos/$<CONFIGURATION>/ COPY_DST_PATH)
file(TO_NATIVE_PATH ${CMAKE_CURRENT_BINARY_DIR}/../tests/$<CONFIGURATION>/ COPY_DST_TEST_PATH)
else()
file(TO_NATIVE_PATH ${CMAKE_CURRENT_BINARY_DIR}/${API_LOWERCASE}-${MAJOR}.dll COPY_SRC_PATH)
file(TO_NATIVE_PATH ${CMAKE_CURRENT_BINARY_DIR}/../demos/ COPY_DST_PATH)
file(TO_NATIVE_PATH ${CMAKE_CURRENT_BINARY_DIR}/../tests/ COPY_DST_TEST_PATH)
endif()
add_custom_command(TARGET ${API_LOWERCASE}-${MAJOR} POST_BUILD
COMMAND xcopy /Y /I ${COPY_SRC_PATH} ${COPY_DST_PATH})
add_custom_command(TARGET ${API_LOWERCASE}-${MAJOR} POST_BUILD
COMMAND xcopy /Y /I ${COPY_SRC_PATH} ${COPY_DST_TEST_PATH})
else()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wpointer-arith")
# Clang (and not gcc) warns about redefining a typedef with the same types, so disable that warning.
# Note that it will still throw an error if a typedef is redefined with a different type.
if (CMAKE_C_COMPILER_ID MATCHES "Clang")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-typedef-redefinition")
endif()
add_library(${API_LOWERCASE} SHARED ${NORMAL_LOADER_SRCS} ${OPT_LOADER_SRCS})
add_dependencies(${API_LOWERCASE} generate_helper_files loader_gen_files loader_asm_gen_files)
set_target_properties(${API_LOWERCASE} PROPERTIES SOVERSION "1" VERSION "1.0.${vk_header_version}")
target_link_libraries(${API_LOWERCASE} -ldl -lpthread -lm)
if(INSTALL_LVL_FILES)
install(TARGETS ${API_LOWERCASE} LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
endif()
# Generate pkg-config file.
include(FindPkgConfig QUIET)
if(PKG_CONFIG_FOUND)
set(VK_API_VERSION "1.0.${vk_header_version}")
foreach(LIB ${CMAKE_CXX_IMPLICIT_LINK_LIBRARIES} ${PLATFORM_LIBS})
set(PRIVATE_LIBS "${PRIVATE_LIBS} -l${LIB}")
endforeach()
configure_file("vulkan.pc.in" "vulkan.pc" @ONLY)
if(INSTALL_LVL_FILES)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/vulkan.pc"
DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
endif()
endif()
endif()
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