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# ~~~
# Copyright (c) 2014-2018 Valve Corporation
# Copyright (c) 2014-2018 LunarG, Inc.
#
# 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 project initialization ---------------------------------------------------------------------------------------------------
# This section contains pre-project() initialization, and ends with the project() command.
cmake_minimum_required(VERSION 3.10.2)
# Apple: Must be set before enable_language() or project() as it may influence configuration of the toolchain and flags.
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.12" CACHE STRING "Minimum OS X deployment version")
project(Vulkan-Tools)
# find_package(), include() and global project settings --------------------------------------------------------------------------
find_package(PythonInterp 3 QUIET)
# User-interface declarations ----------------------------------------------------------------------------------------------------
# This section contains variables that affect development GUIs (e.g. CMake GUI and IDEs), such as option(), folders, and variables
# with the CACHE property.
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
option(BUILD_CUBE "Build cube" ON)
option(BUILD_VULKANINFO "Build vulkaninfo" ON)
option(BUILD_ICD "Build icd" ON)
# Installing the Mock ICD to system directories is probably not desired since this ICD is not a very complete implementation.
# Require the user to ask that it be installed if they really want it.
option(INSTALL_ICD "Install icd" OFF)
# Enable IDE GUI folders
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
# "Helper" targets that don't have interesting source code should set their FOLDER property to this
set(TOOLS_HELPER_FOLDER "Helper Targets")
option(USE_CCACHE "Use ccache" OFF)
if(USE_CCACHE)
find_program(CCACHE_FOUND ccache)
if(CCACHE_FOUND)
set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
endif()
endif()
# ~~~
# Find Vulkan Headers and Loader
# Search order:
# User-supplied CMAKE_PREFIX_PATH containing paths to the header and/or loader install dirs
# CMake options VULKAN_HEADERS_INSTALL_DIR and/or VULKAN_LOADER_INSTALL_DIR
# Env vars VULKAN_HEADERS_INSTALL_DIR and/or VULKAN_LOADER_INSTALL_DIR
# If on MacOS
# CMake option MOTLENVK_REPO_ROOT
# Env vars MOLTENVK_REPO_ROOT
# Fallback to FindVulkan operation using SDK install or system installed components.
# ~~~
set(VULKAN_HEADERS_INSTALL_DIR "HEADERS-NOTFOUND" CACHE PATH "Absolute path to a Vulkan-Headers install directory")
set(VULKAN_LOADER_INSTALL_DIR "LOADER-NOTFOUND" CACHE PATH "Absolute path to a Vulkan-Loader install directory")
if(WIN32 AND "${VULKAN_LOADER_INSTALL_DIR}" STREQUAL "LOADER-NOTFOUND")
if(CMAKE_CL_64)
set(VULKAN_LOADER_INSTALL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/external/x64")
else()
set(VULKAN_LOADER_INSTALL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/external/x86")
endif()
endif()
set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH};${VULKAN_HEADERS_INSTALL_DIR};${VULKAN_LOADER_INSTALL_DIR};
$ENV{VULKAN_HEADERS_INSTALL_DIR};$ENV{VULKAN_LOADER_INSTALL_DIR})
if(APPLE)
set(MOLTENVK_REPO_ROOT "MOLTENVK-NOTFOUND" CACHE PATH "Absolute path to a MoltenVK repo directory")
if(NOT MOLTENVK_REPO_ROOT AND NOT DEFINED ENV{MOLTENVK_REPO_ROOT})
message(FATAL_ERROR "Must define location of MoltenVK repo -- see BUILD.md")
endif()
if(NOT MOLTENVK_REPO_ROOT)
set(MOLTENVK_REPO_ROOT $ENV{MOLTENVK_REPO_ROOT})
endif()
message(STATUS "Using MoltenVK repo location at ${MOLTENVK_REPO_ROOT}")
endif()
message(STATUS "Using find_package to locate Vulkan")
find_package(Vulkan)
find_package(VulkanHeaders)
get_filename_component(Vulkan_LIBRARY_DIR ${Vulkan_LIBRARY} DIRECTORY)
message(STATUS "Vulkan FOUND = ${Vulkan_FOUND}")
message(STATUS "Vulkan Lib Dir = ${Vulkan_LIBRARY_DIR}")
message(STATUS "Vulkan Lib = ${Vulkan_LIBRARY}")
message(STATUS "Vulkan Headers Include = ${VulkanHeaders_INCLUDE_DIR}")
message(STATUS "Vulkan Headers Registry = ${VulkanRegistry_DIR}")
include(GNUInstallDirs)
if(WIN32 AND CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
# Windows: if install locations not set by user, set install prefix to "<build_dir>\install".
set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE PATH "default install path" FORCE)
endif()
# uninstall target
if(NOT TARGET uninstall)
configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
"${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
IMMEDIATE
@ONLY)
add_custom_target(uninstall COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
set_target_properties(uninstall PROPERTIES FOLDER ${TOOLS_HELPER_FOLDER})
endif()
if(APPLE)
# CMake versions 3 or later need CMAKE_MACOSX_RPATH defined. This avoids the CMP0042 policy message.
set(CMAKE_MACOSX_RPATH 1)
endif()
if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
set(COMMON_COMPILE_FLAGS "-Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers")
set(COMMON_COMPILE_FLAGS "${COMMON_COMPILE_FLAGS} -fno-strict-aliasing -fno-builtin-memcmp")
# For GCC version 7.1 or greater, we need to disable the implicit fallthrough warning since there's no consistent way to satisfy
# all compilers until they all accept the C++17 standard
if(CMAKE_COMPILER_IS_GNUCC AND NOT (CMAKE_CXX_COMPILER_VERSION LESS 7.1))
set(COMMON_COMPILE_FLAGS "${COMMON_COMPILE_FLAGS} -Wimplicit-fallthrough=0")
endif()
if(APPLE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMMON_COMPILE_FLAGS}")
else()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 ${COMMON_COMPILE_FLAGS}")
endif()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_COMPILE_FLAGS} -std=c++11 -fno-rtti")
if(UNIX)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")
endif()
endif()
# Optional codegen target
if(PYTHONINTERP_FOUND)
add_custom_target(VulkanTools_generated_source
COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/scripts/generate_source.py
${VulkanRegistry_DIR} --incremental
)
else()
message("WARNING: VulkanTools_generated_source target requires python 3")
endif()
if(APPLE)
include(mac_common.cmake)
endif()
if(BUILD_CUBE)
add_subdirectory(cube)
endif()
if(BUILD_VULKANINFO)
add_subdirectory(vulkaninfo)
endif()
if(BUILD_ICD)
add_subdirectory(icd)
endif()
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