2 # Copyright (c) 2014-2018 Valve Corporation
3 # Copyright (c) 2014-2018 LunarG, Inc.
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at
9 # http://www.apache.org/licenses/LICENSE-2.0
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
18 # CMake project initialization ---------------------------------------------------------------------------------------------------
19 # This section contains pre-project() initialization, and ends with the project() command.
21 cmake_minimum_required(VERSION 3.10.2)
23 # Apple: Must be set before enable_language() or project() as it may influence configuration of the toolchain and flags.
24 set(CMAKE_OSX_DEPLOYMENT_TARGET "10.12" CACHE STRING "Minimum OS X deployment version")
28 # find_package(), include() and global project settings --------------------------------------------------------------------------
30 find_package(PythonInterp 3 REQUIRED)
32 # User-interface declarations ----------------------------------------------------------------------------------------------------
33 # This section contains variables that affect development GUIs (e.g. CMake GUI and IDEs), such as option(), folders, and variables
34 # with the CACHE property.
36 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
38 option(BUILD_CUBE "Build cube" ON)
39 option(BUILD_VULKANINFO "Build vulkaninfo" ON)
40 option(BUILD_ICD "Build icd" ON)
41 # Installing the Mock ICD to system directories is probably not desired since this ICD is not a very complete implementation.
42 # Require the user to ask that it be installed if they really want it.
43 option(INSTALL_ICD "Install icd" OFF)
45 # Enable IDE GUI folders
46 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
47 # "Helper" targets that don't have interesting source code should set their FOLDER property to this
48 set(TOOLS_HELPER_FOLDER "Helper Targets")
50 option(USE_CCACHE "Use ccache" OFF)
52 find_program(CCACHE_FOUND ccache)
54 set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
59 # Find Vulkan Headers and Loader
61 # User-supplied CMAKE_PREFIX_PATH containing paths to the header and/or loader install dirs
62 # CMake options VULKAN_HEADERS_INSTALL_DIR and/or VULKAN_LOADER_INSTALL_DIR
63 # Env vars VULKAN_HEADERS_INSTALL_DIR and/or VULKAN_LOADER_INSTALL_DIR
65 # CMake option MOTLENVK_REPO_ROOT
66 # Env vars MOLTENVK_REPO_ROOT
67 # Fallback to FindVulkan operation using SDK install or system installed components.
69 set(VULKAN_HEADERS_INSTALL_DIR "HEADERS-NOTFOUND" CACHE PATH "Absolute path to a Vulkan-Headers install directory")
70 set(VULKAN_LOADER_INSTALL_DIR "LOADER-NOTFOUND" CACHE PATH "Absolute path to a Vulkan-Loader install directory")
71 set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH};${VULKAN_HEADERS_INSTALL_DIR};${VULKAN_LOADER_INSTALL_DIR};
72 $ENV{VULKAN_HEADERS_INSTALL_DIR};$ENV{VULKAN_LOADER_INSTALL_DIR})
75 set(MOLTENVK_REPO_ROOT "MOLTENVK-NOTFOUND" CACHE PATH "Absolute path to a MoltenVK repo directory")
76 if(NOT MOLTENVK_REPO_ROOT AND NOT DEFINED ENV{MOLTENVK_REPO_ROOT})
77 message(FATAL_ERROR "Must define location of MoltenVK repo -- see BUILD.md")
80 if(NOT MOLTENVK_REPO_ROOT)
81 set(MOLTENVK_REPO_ROOT $ENV{MOLTENVK_REPO_ROOT})
83 message(STATUS "Using MoltenVK repo location at ${MOLTENVK_REPO_ROOT}")
85 message(STATUS "Using find_package to locate Vulkan")
87 find_package(VulkanHeaders)
88 get_filename_component(Vulkan_LIBRARY_DIR ${Vulkan_LIBRARY} DIRECTORY)
89 message(STATUS "Vulkan FOUND = ${Vulkan_FOUND}")
90 message(STATUS "Vulkan Lib Dir = ${Vulkan_LIBRARY_DIR}")
91 message(STATUS "Vulkan Lib = ${Vulkan_LIBRARY}")
92 message(STATUS "Vulkan Headers Include = ${VulkanHeaders_INCLUDE_DIR}")
93 message(STATUS "Vulkan Headers Registry = ${VulkanRegistry_DIR}")
95 include(GNUInstallDirs)
97 if(WIN32 AND CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
98 # Windows: if install locations not set by user, set install prefix to "<build_dir>\install".
99 set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE PATH "default install path" FORCE)
103 if(NOT TARGET uninstall)
104 configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
105 "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
109 add_custom_target(uninstall COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
110 set_target_properties(uninstall PROPERTIES FOLDER ${TOOLS_HELPER_FOLDER})
114 # CMake versions 3 or later need CMAKE_MACOSX_RPATH defined. This avoids the CMP0042 policy message.
115 set(CMAKE_MACOSX_RPATH 1)
118 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
119 set(COMMON_COMPILE_FLAGS "-Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers")
120 set(COMMON_COMPILE_FLAGS "${COMMON_COMPILE_FLAGS} -fno-strict-aliasing -fno-builtin-memcmp")
122 # For GCC version 7.1 or greater, we need to disable the implicit fallthrough warning since there's no consistent way to satisfy
123 # all compilers until they all accept the C++17 standard
124 if(CMAKE_COMPILER_IS_GNUCC AND NOT (CMAKE_CXX_COMPILER_VERSION LESS 7.1))
125 set(COMMON_COMPILE_FLAGS "${COMMON_COMPILE_FLAGS} -Wimplicit-fallthrough=0")
129 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMMON_COMPILE_FLAGS}")
131 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 ${COMMON_COMPILE_FLAGS}")
133 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_COMPILE_FLAGS} -std=c++11 -fno-rtti")
135 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden")
136 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")
140 # Optional codegen target
141 if(PYTHONINTERP_FOUND)
142 add_custom_target(VulkanTools_generated_source
143 COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/scripts/generate_source.py
144 ${VulkanRegistry_DIR} --incremental
147 message("WARNING: VulkanTools_generated_source target requires python 3")
151 include(mac_common.cmake)
155 add_subdirectory(cube)
159 add_subdirectory(vulkaninfo)
163 add_subdirectory(icd)