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kwin/CMakeLists.txt
Xaver Hugl 4759ec6089 wayland: implement the alpha-modifier protocol 
The alpha modifier protocol allows clients to set a multiplier for the opacity
of a surface, which allows them to offload some operations to KWin, which
in turn may offload them to KMS in the future
2024-08-14 14:26:33 +02:00

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CMake
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cmake_minimum_required(VERSION 3.16)
set(PROJECT_VERSION "6.1.80") # Handled by release scripts
project(KWin VERSION ${PROJECT_VERSION})
set(CMAKE_C_STANDARD 99)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(PROJECT_DEP_VERSION "6.1.1")
set(QT_MIN_VERSION "6.7.0")
set(KF6_MIN_VERSION "6.2.0")
set(KDE_COMPILERSETTINGS_LEVEL "5.82")
find_package(ECM ${KF6_MIN_VERSION} REQUIRED NO_MODULE)
# where to look first for cmake modules, before ${CMAKE_ROOT}/Modules/ is checked
set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules ${ECM_MODULE_PATH})
include(CMakeDependentOption)
include(CMakePackageConfigHelpers)
include(FeatureSummary)
include(WriteBasicConfigVersionFile)
include(GenerateExportHeader)
include(CheckCXXCompilerFlag)
include(CheckIncludeFile)
include(CheckIncludeFiles)
include(CheckSymbolExists)
include(KDEInstallDirs)
include(KDECMakeSettings)
include(KDECompilerSettings NO_POLICY_SCOPE)
include(KDEClangFormat)
include(KDEGitCommitHooks)
include(ECMFindQmlModule)
include(ECMInstallIcons)
include(ECMOptionalAddSubdirectory)
include(ECMConfiguredInstall)
include(ECMQtDeclareLoggingCategory)
include(ECMSetupQtPluginMacroNames)
include(ECMSetupVersion)
include(ECMQmlModule)
include(ECMGenerateQmlTypes)
option(KWIN_BUILD_DECORATIONS "Enable building of KWin decorations." ON)
option(KWIN_BUILD_KCMS "Enable building of KWin configuration modules." ON)
option(KWIN_BUILD_NOTIFICATIONS "Enable building of KWin with knotifications support" ON)
option(KWIN_BUILD_SCREENLOCKER "Enable building of KWin lockscreen functionality" ON)
option(KWIN_BUILD_TABBOX "Enable building of KWin Tabbox functionality" ON)
option(KWIN_BUILD_X11 "Enable building X11 common code and Xwayland support" ON)
option(KWIN_BUILD_X11_BACKEND "Enable building kwin_x11" ON)
option(KWIN_BUILD_GLOBALSHORTCUTS "Enable building of KWin with global shortcuts support" ON)
option(KWIN_BUILD_RUNNERS "Enable building of KWin with krunner support" ON)
find_package(Qt6 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS
Concurrent
Core
Core5Compat
DBus
Quick
UiTools
WaylandClient
Widgets
Sensors
Svg
)
find_package(Qt6Test ${QT_MIN_VERSION} CONFIG QUIET)
set_package_properties(Qt6Test PROPERTIES
PURPOSE "Required for tests"
TYPE OPTIONAL
)
add_feature_info("Qt6Test" Qt6Test_FOUND "Required for building tests")
if (NOT Qt6Test_FOUND)
set(BUILD_TESTING OFF CACHE BOOL "Build the testing tree.")
endif()
if (BUILD_TESTING)
find_package(KPipeWire)
endif()
# required frameworks by Core
find_package(KF6 ${KF6_MIN_VERSION} REQUIRED COMPONENTS
Auth
ColorScheme
Config
ConfigWidgets
CoreAddons
Crash
DBusAddons
GlobalAccel
GuiAddons
I18n
IdleTime
Package
Service
Svg
WidgetsAddons
WindowSystem
)
# required frameworks by config modules
if(KWIN_BUILD_KCMS)
find_package(KF6 ${KF6_MIN_VERSION} REQUIRED COMPONENTS
Declarative
KCMUtils
NewStuff
Service
XmlGui
)
endif()
if(KWIN_BUILD_TABBOX AND KWIN_BUILD_KCMS)
find_package(KF6 ${KF6_MIN_VERSION} REQUIRED COMPONENTS
WidgetsAddons
)
endif()
find_package(Threads)
set_package_properties(Threads PROPERTIES
PURPOSE "Needed for VirtualTerminal support in KWin Wayland"
TYPE REQUIRED
)
find_package(KWayland ${PROJECT_DEP_VERSION} CONFIG)
set_package_properties(KWayland PROPERTIES
PURPOSE "Required to build wayland platform plugin and tests"
TYPE REQUIRED
)
# optional frameworks
find_package(PlasmaActivities ${PROJECT_DEP_VERSION} CONFIG)
set_package_properties(PlasmaActivities PROPERTIES
PURPOSE "Enable building of KWin with kactivities support"
TYPE OPTIONAL
)
add_feature_info("PlasmaActivities" PlasmaActivities_FOUND "Enable building of KWin with kactivities support")
find_package(KF6DocTools ${KF6_MIN_VERSION} CONFIG)
set_package_properties(KF6DocTools PROPERTIES
PURPOSE "Enable building documentation"
TYPE OPTIONAL
)
add_feature_info("KF6DocTools" KF6DocTools_FOUND "Enable building documentation")
find_package(KF6Kirigami ${KF6_MIN_VERSION} CONFIG)
set_package_properties(KF6Kirigami PROPERTIES
DESCRIPTION "A QtQuick based components set"
PURPOSE "Required at runtime for several QML effects"
TYPE RUNTIME
)
find_package(Plasma ${PROJECT_DEP_VERSION} CONFIG)
set_package_properties(Plasma PROPERTIES
DESCRIPTION "A QtQuick based components set"
PURPOSE "Required at runtime for several QML effects"
TYPE RUNTIME
)
find_package(KDecoration2 ${PROJECT_DEP_VERSION} CONFIG)
set_package_properties(KDecoration2 PROPERTIES
TYPE REQUIRED
PURPOSE "Required for server side decoration support"
)
find_package(Breeze 5.9.0 CONFIG)
set_package_properties(Breeze PROPERTIES
TYPE OPTIONAL
PURPOSE "For setting the default window decoration plugin"
)
if (${Breeze_FOUND})
if (${BREEZE_WITH_KDECORATION})
set(HAVE_BREEZE_DECO true)
else()
set(HAVE_BREEZE_DECO FALSE)
endif()
else()
set(HAVE_BREEZE_DECO FALSE)
endif()
add_feature_info("Breeze-Decoration" HAVE_BREEZE_DECO "Default decoration plugin Breeze")
find_package(EGL)
set_package_properties(EGL PROPERTIES
TYPE REQUIRED
PURPOSE "Required to build KWin with EGL support"
)
find_package(epoxy 1.3)
set_package_properties(epoxy PROPERTIES
DESCRIPTION "libepoxy"
URL "https://github.com/anholt/libepoxy"
TYPE REQUIRED
PURPOSE "OpenGL dispatch library"
)
set(HAVE_DL_LIBRARY FALSE)
if (epoxy_HAS_GLX)
find_library(DL_LIBRARY dl)
if (DL_LIBRARY)
set(HAVE_DL_LIBRARY TRUE)
endif()
endif()
find_package(Wayland 1.22)
set_package_properties(Wayland PROPERTIES
TYPE REQUIRED
PURPOSE "Required for building KWin with Wayland support"
)
if (Wayland_VERSION VERSION_GREATER_EQUAL 1.23)
set(HAVE_WL_DISPLAY_SET_DEFAULT_MAX_BUFFER_SIZE 1)
else()
set(HAVE_WL_DISPLAY_SET_DEFAULT_MAX_BUFFER_SIZE 0)
endif()
find_package(WaylandProtocols 1.36)
set_package_properties(WaylandProtocols PROPERTIES
TYPE REQUIRED
PURPOSE "Collection of Wayland protocols that add functionality not available in the Wayland core protocol"
URL "https://gitlab.freedesktop.org/wayland/wayland-protocols/"
)
find_package(PlasmaWaylandProtocols 1.14.0 CONFIG)
set_package_properties(PlasmaWaylandProtocols PROPERTIES
TYPE REQUIRED
PURPOSE "Collection of Plasma-specific Wayland protocols"
URL "https://invent.kde.org/libraries/plasma-wayland-protocols/"
)
find_package(XKB 0.7.0)
set_package_properties(XKB PROPERTIES
TYPE REQUIRED
PURPOSE "Required for building KWin with Wayland support"
)
if (XKB_VERSION VERSION_GREATER_EQUAL 1.5.0)
set(HAVE_XKBCOMMON_NO_SECURE_GETENV 1)
else()
set(HAVE_XKBCOMMON_NO_SECURE_GETENV 0)
endif()
find_package(Canberra REQUIRED)
if (KWIN_BUILD_X11)
pkg_check_modules(XKBX11 IMPORTED_TARGET xkbcommon-x11 REQUIRED)
add_feature_info(XKBX11 XKBX11_FOUND "Required for handling keyboard events in X11 backend")
# All the required XCB components
find_package(XCB 1.10 REQUIRED COMPONENTS
COMPOSITE
CURSOR
DAMAGE
DRI3
GLX
ICCCM
IMAGE
KEYSYMS
PRESENT
RANDR
RENDER
SHAPE
SHM
SYNC
XCB
XFIXES
XKB
XINERAMA
XINPUT
)
set_package_properties(XCB PROPERTIES TYPE REQUIRED)
find_package(X11_XCB)
set_package_properties(X11_XCB PROPERTIES
PURPOSE "Required for building X11 windowed backend of kwin_wayland"
TYPE OPTIONAL
)
find_package(Xwayland)
set_package_properties(Xwayland PROPERTIES
URL "https://x.org"
DESCRIPTION "Xwayland X server"
TYPE RUNTIME
PURPOSE "Needed for running kwin_wayland"
)
set(HAVE_XWAYLAND_LISTENFD ${Xwayland_HAVE_LISTENFD})
set(HAVE_XWAYLAND_ENABLE_EI_PORTAL ${Xwayland_HAVE_ENABLE_EI_PORTAL})
set(HAVE_GLX ${epoxy_HAS_GLX})
get_target_property(QT_DISABLED_FEATURES Qt6::Gui QT_DISABLED_PUBLIC_FEATURES)
if("xcb_glx_plugin" IN_LIST QT_DISABLED_FEATURES)
message(STATUS "Disable GLX because Qt6::Gui was built without xcb_glx_plugin")
set(HAVE_GLX false)
endif()
# for kwin internal things
set(HAVE_X11_XCB ${X11_XCB_FOUND})
find_package(X11)
set_package_properties(X11 PROPERTIES
DESCRIPTION "X11 libraries"
URL "https://www.x.org"
TYPE REQUIRED
)
else()
set(KWIN_BUILD_X11_BACKEND OFF CACHE BOOL "Enable building kwin_x11" FORCE)
endif()
find_package(Libinput 1.19)
set_package_properties(Libinput PROPERTIES TYPE REQUIRED PURPOSE "Required for input handling on Wayland.")
find_package(Libeis-1.0)
set_package_properties(Libeis PROPERTIES TYPE OPTIONAL PURPOSE "Required for emulated input handling.")
find_package(UDev)
set_package_properties(UDev PROPERTIES
URL "https://www.freedesktop.org/wiki/Software/systemd/"
DESCRIPTION "Linux device library."
TYPE REQUIRED
PURPOSE "Required for input handling on Wayland."
)
find_package(Libdrm 2.4.116)
set_package_properties(Libdrm PROPERTIES TYPE REQUIRED PURPOSE "Required for drm output on Wayland.")
find_package(gbm)
set_package_properties(gbm PROPERTIES TYPE REQUIRED PURPOSE "Required for egl output of drm backend.")
if (gbm_VERSION VERSION_GREATER_EQUAL 21.1)
set(HAVE_GBM_BO_GET_FD_FOR_PLANE 1)
else()
set(HAVE_GBM_BO_GET_FD_FOR_PLANE 0)
endif()
if (gbm_VERSION VERSION_GREATER_EQUAL 21.3)
set(HAVE_GBM_BO_CREATE_WITH_MODIFIERS2 1)
else()
set(HAVE_GBM_BO_CREATE_WITH_MODIFIERS2 0)
endif()
pkg_check_modules(Libxcvt IMPORTED_TARGET libxcvt>=0.1.1 REQUIRED)
add_feature_info(Libxcvt Libxcvt_FOUND "Required for generating modes in the drm backend")
add_feature_info("XInput" X11_Xi_FOUND "Required for poll-free mouse cursor updates")
set(HAVE_X11_XINPUT ${X11_Xinput_FOUND})
find_package(lcms2)
set_package_properties(lcms2 PROPERTIES
DESCRIPTION "Small-footprint color management engine"
URL "http://www.littlecms.com"
TYPE REQUIRED
PURPOSE "Required for the color management system"
)
find_package(Freetype)
set_package_properties(Freetype PROPERTIES
DESCRIPTION "A font rendering engine"
URL "https://www.freetype.org"
TYPE REQUIRED
PURPOSE "Needed for KWin's QPA plugin."
)
find_package(Fontconfig)
set_package_properties(Fontconfig PROPERTIES
TYPE REQUIRED
PURPOSE "Needed for KWin's QPA plugin."
)
find_package(Libcap)
set_package_properties(Libcap PROPERTIES
TYPE OPTIONAL
PURPOSE "Needed for running kwin_wayland with real-time scheduling policy"
)
set(HAVE_LIBCAP ${Libcap_FOUND})
find_package(hwdata)
set_package_properties(hwdata PROPERTIES
TYPE RUNTIME
PURPOSE "Runtime-only dependency needed for mapping monitor hardware vendor IDs to full names"
URL "https://github.com/vcrhonek/hwdata"
)
find_package(QAccessibilityClient6 CONFIG)
set_package_properties(QAccessibilityClient6 PROPERTIES
URL "https://commits.kde.org/libqaccessibilityclient"
DESCRIPTION "KDE client-side accessibility library"
TYPE OPTIONAL
PURPOSE "Required to enable accessibility features"
)
set(HAVE_ACCESSIBILITY ${QAccessibilityClient6_FOUND})
pkg_check_modules(libsystemd IMPORTED_TARGET libsystemd)
add_feature_info(libsystemd libsystemd_FOUND "Required for setting up the service watchdog")
if(KWIN_BUILD_GLOBALSHORTCUTS)
find_package(KGlobalAccelD REQUIRED)
endif()
pkg_check_modules(libdisplayinfo IMPORTED_TARGET display-info)
if (NOT libdisplayinfo_FOUND)
pkg_check_modules(libdisplayinfo REQUIRED IMPORTED_TARGET libdisplay-info)
endif()
add_feature_info(libdisplayinfo libdisplayinfo_FOUND "EDID and DisplayID library: https://gitlab.freedesktop.org/emersion/libdisplay-info")
pkg_check_modules(PipeWire IMPORTED_TARGET libpipewire-0.3>=0.3.29)
add_feature_info(PipeWire PipeWire_FOUND "Required for Wayland screencasting")
if (KWIN_BUILD_NOTIFICATIONS)
find_package(KF6 ${KF6_MIN_VERSION} REQUIRED COMPONENTS Notifications)
endif()
if (KWIN_BUILD_SCREENLOCKER)
find_package(KScreenLocker CONFIG)
set_package_properties(KScreenLocker PROPERTIES
TYPE REQUIRED
PURPOSE "For screenlocker integration in kwin_wayland"
)
endif()
ecm_find_qmlmodule(QtQuick 2.3)
ecm_find_qmlmodule(QtQuick.Controls 2.15)
ecm_find_qmlmodule(QtQuick.Layouts 1.3)
ecm_find_qmlmodule(QtQuick.Window 2.1)
ecm_find_qmlmodule(QtMultimedia 5.0)
ecm_find_qmlmodule(org.kde.kquickcontrolsaddons 2.0)
ecm_find_qmlmodule(org.kde.plasma.core 2.0)
ecm_find_qmlmodule(org.kde.plasma.components 2.0)
cmake_dependent_option(KWIN_BUILD_ACTIVITIES "Enable building of KWin with kactivities support" ON "PlasmaActivities_FOUND" OFF)
cmake_dependent_option(KWIN_BUILD_EIS "Enable building KWin with libeis support" ON "Libeis-1.0_FOUND" OFF)
include_directories(BEFORE
${CMAKE_CURRENT_BINARY_DIR}/src/wayland
${CMAKE_CURRENT_BINARY_DIR}/src
${CMAKE_CURRENT_SOURCE_DIR}/src
)
check_symbol_exists(SCHED_RESET_ON_FORK "sched.h" HAVE_SCHED_RESET_ON_FORK)
add_feature_info("SCHED_RESET_ON_FORK"
HAVE_SCHED_RESET_ON_FORK
"Required for running kwin_wayland with real-time scheduling")
check_cxx_source_compiles("
#include <fcntl.h>
#include <sys/mman.h>
#include <unistd.h>
int main() {
const int size = 10;
int fd = memfd_create(\"test\", MFD_CLOEXEC | MFD_ALLOW_SEALING);
ftruncate(fd, size);
fcntl(fd, F_ADD_SEALS, F_SEAL_SHRINK | F_SEAL_GROW | F_SEAL_WRITE | F_SEAL_SEAL);
mmap(nullptr, size, PROT_WRITE, MAP_SHARED, fd, 0);
}" HAVE_MEMFD)
check_cxx_compiler_flag(-Wno-unused-parameter COMPILER_UNUSED_PARAMETER_SUPPORTED)
if (COMPILER_UNUSED_PARAMETER_SUPPORTED)
add_compile_options(-Wno-unused-parameter)
endif()
add_definitions(
-DQT_DISABLE_DEPRECATED_BEFORE=0
-DQT_NO_KEYWORDS
-DQT_USE_QSTRINGBUILDER
-DQT_NO_URL_CAST_FROM_STRING
-DQT_NO_CAST_TO_ASCII
-DQT_NO_FOREACH
# Prevent EGL headers from including platform headers, in particular Xlib.h.
-DMESA_EGL_NO_X11_HEADERS
-DEGL_NO_X11
-DEGL_NO_PLATFORM_SPECIFIC_TYPES
)
ecm_setup_qtplugin_macro_names(
JSON_ARG2
"KWIN_EFFECT_FACTORY"
JSON_ARG3
"KWIN_EFFECT_FACTORY_ENABLED"
"KWIN_EFFECT_FACTORY_SUPPORTED"
JSON_ARG4
"KWIN_EFFECT_FACTORY_SUPPORTED_ENABLED"
CONFIG_CODE_VARIABLE
PACKAGE_SETUP_KWINEFFECTS_AUTOMOC_VARIABLES
)
if (KF6DocTools_FOUND)
add_subdirectory(doc)
kdoctools_install(po)
endif()
add_subdirectory(data)
add_subdirectory(kconf_update)
add_subdirectory(src)
if (BUILD_TESTING)
add_subdirectory(autotests)
add_subdirectory(tests)
endif()
# add clang-format target for all our real source files
file(GLOB_RECURSE ALL_CLANG_FORMAT_SOURCE_FILES *.cpp *.h)
kde_clang_format(${ALL_CLANG_FORMAT_SOURCE_FILES})
kde_configure_git_pre_commit_hook(CHECKS CLANG_FORMAT)
feature_summary(WHAT ALL INCLUDE_QUIET_PACKAGES FATAL_ON_MISSING_REQUIRED_PACKAGES)
set(CMAKECONFIG_INSTALL_DIR "${KDE_INSTALL_CMAKEPACKAGEDIR}/KWinDBusInterface")
configure_package_config_file(KWinDBusInterfaceConfig.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/KWinDBusInterfaceConfig.cmake"
PATH_VARS KDE_INSTALL_DBUSINTERFACEDIR
INSTALL_DESTINATION ${CMAKECONFIG_INSTALL_DIR})
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/KWinDBusInterfaceConfig.cmake
DESTINATION ${CMAKECONFIG_INSTALL_DIR})
ecm_install_configured_files(INPUT plasma-kwin_wayland.service.in @ONLY
DESTINATION ${KDE_INSTALL_SYSTEMDUSERUNITDIR})
if (KWIN_BUILD_X11_BACKEND)
ecm_install_configured_files(INPUT plasma-kwin_x11.service.in @ONLY
DESTINATION ${KDE_INSTALL_SYSTEMDUSERUNITDIR})
endif()
ki18n_install(po)
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