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 QUIET)
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 # Enable beta Vulkan extensions
37 add_definitions(-DVK_ENABLE_BETA_EXTENSIONS)
39 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
41 option(BUILD_CUBE "Build cube" ON)
42 option(BUILD_VULKANINFO "Build vulkaninfo" ON)
43 option(BUILD_ICD "Build icd" ON)
44 # Installing the Mock ICD to system directories is probably not desired since this ICD is not a very complete implementation.
45 # Require the user to ask that it be installed if they really want it.
46 option(INSTALL_ICD "Install icd" OFF)
48 # Enable IDE GUI folders
49 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
50 # "Helper" targets that don't have interesting source code should set their FOLDER property to this
51 set(TOOLS_HELPER_FOLDER "Helper Targets")
53 option(USE_CCACHE "Use ccache" OFF)
55 find_program(CCACHE_FOUND ccache)
57 set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
62 # Find Vulkan Headers and Loader
64 # User-supplied CMAKE_PREFIX_PATH containing paths to the header and/or loader install dirs
65 # CMake options VULKAN_HEADERS_INSTALL_DIR and/or VULKAN_LOADER_INSTALL_DIR
66 # Env vars VULKAN_HEADERS_INSTALL_DIR and/or VULKAN_LOADER_INSTALL_DIR
68 # CMake option MOTLENVK_REPO_ROOT
69 # Env vars MOLTENVK_REPO_ROOT
70 # Fallback to FindVulkan operation using SDK install or system installed components.
72 set(VULKAN_HEADERS_INSTALL_DIR "HEADERS-NOTFOUND" CACHE PATH "Absolute path to a Vulkan-Headers install directory")
73 set(VULKAN_LOADER_INSTALL_DIR "LOADER-NOTFOUND" CACHE PATH "Absolute path to a Vulkan-Loader install directory")
74 if(WIN32 AND "${VULKAN_LOADER_INSTALL_DIR}" STREQUAL "LOADER-NOTFOUND")
76 set(VULKAN_LOADER_INSTALL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/external/x64")
78 set(VULKAN_LOADER_INSTALL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/external/x86")
81 set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH};${VULKAN_HEADERS_INSTALL_DIR};${VULKAN_LOADER_INSTALL_DIR};
82 $ENV{VULKAN_HEADERS_INSTALL_DIR};$ENV{VULKAN_LOADER_INSTALL_DIR})
85 set(MOLTENVK_REPO_ROOT "MOLTENVK-NOTFOUND" CACHE PATH "Absolute path to a MoltenVK repo directory")
86 if(NOT MOLTENVK_REPO_ROOT AND NOT DEFINED ENV{MOLTENVK_REPO_ROOT})
87 message(FATAL_ERROR "Must define location of MoltenVK repo -- see BUILD.md")
90 if(NOT MOLTENVK_REPO_ROOT)
91 set(MOLTENVK_REPO_ROOT $ENV{MOLTENVK_REPO_ROOT})
93 message(STATUS "Using MoltenVK repo location at ${MOLTENVK_REPO_ROOT}")
95 message(STATUS "Using find_package to locate Vulkan")
97 find_package(VulkanHeaders)
98 get_filename_component(Vulkan_LIBRARY_DIR ${Vulkan_LIBRARY} DIRECTORY)
99 message(STATUS "Vulkan FOUND = ${Vulkan_FOUND}")
100 message(STATUS "Vulkan Lib Dir = ${Vulkan_LIBRARY_DIR}")
101 message(STATUS "Vulkan Lib = ${Vulkan_LIBRARY}")
102 message(STATUS "Vulkan Headers Include = ${VulkanHeaders_INCLUDE_DIR}")
103 message(STATUS "Vulkan Headers Registry = ${VulkanRegistry_DIR}")
105 include(GNUInstallDirs)
107 if(WIN32 AND CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
108 # Windows: if install locations not set by user, set install prefix to "<build_dir>\install".
109 set(CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}/install" CACHE PATH "default install path" FORCE)
113 if(NOT TARGET uninstall)
114 configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
115 "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
119 add_custom_target(uninstall COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
120 set_target_properties(uninstall PROPERTIES FOLDER ${TOOLS_HELPER_FOLDER})
124 # CMake versions 3 or later need CMAKE_MACOSX_RPATH defined. This avoids the CMP0042 policy message.
125 set(CMAKE_MACOSX_RPATH 1)
128 option(BUILD_WERROR "Treat compiler warnings as errors" ON)
129 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
130 set(COMMON_COMPILE_FLAGS "-Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers")
131 set(COMMON_COMPILE_FLAGS "${COMMON_COMPILE_FLAGS} -fno-strict-aliasing -fno-builtin-memcmp")
133 if(MAKE_C_COMPILER_ID MATCHES "Clang")
134 set(COMMON_COMPILE_FLAGS "${COMMON_COMPILE_FLAGS} -Wno-sign-conversion -Wno-shorten-64-to-32 -Wno-string-conversion -Wno-implicit-in-conversion -Wno-enum-enum-conversion")
138 if((CMAKE_COMPILER_IS_GNUCXX AND NOT (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.3.0)) OR
139 (("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") AND (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 6.0.0)))
140 set(COMMON_COMPILE_FLAGS "${COMMON_COMPILE_FLAGS} -Werror")
144 # For GCC version 7.1 or greater, we need to disable the implicit fallthrough warning since there's no consistent way to satisfy
145 # all compilers until they all accept the C++17 standard
146 if(CMAKE_COMPILER_IS_GNUCC AND NOT (CMAKE_CXX_COMPILER_VERSION LESS 7.1))
147 set(COMMON_COMPILE_FLAGS "${COMMON_COMPILE_FLAGS} -Wimplicit-fallthrough=0")
151 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COMMON_COMPILE_FLAGS}")
153 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99 ${COMMON_COMPILE_FLAGS}")
155 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COMMON_COMPILE_FLAGS} -std=c++11 -fno-rtti")
157 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden")
158 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")
162 add_compile_options("/WX")
164 # Warn about nested declarations
165 add_compile_options("/w34456")
166 # Warn about potentially uninitialized variables
167 add_compile_options("/w34701")
168 add_compile_options("/w34703")
169 # Warn about different indirection types.
170 add_compile_options("/w34057")
171 # Warn about signed/unsigned mismatch.
172 add_compile_options("/w34245")
175 # Optional codegen target
176 if(PYTHONINTERP_FOUND)
177 add_custom_target(VulkanTools_generated_source
178 COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/scripts/generate_source.py
179 ${VulkanRegistry_DIR} --incremental
182 message("WARNING: VulkanTools_generated_source target requires python 3")
186 include(mac_common.cmake)
190 add_subdirectory(cube)
194 add_subdirectory(vulkaninfo)
198 add_subdirectory(icd)