From 6aaedb813fa11ba0679c3051bc2eb28646b9506c Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 30 Aug 2025 16:53:58 -0700 Subject: Update to SDL3 --- src/contrib/SDL-3.2.20/cmake/sdlchecks.cmake | 1308 ++++++++++++++++++++++++++ 1 file changed, 1308 insertions(+) create mode 100644 src/contrib/SDL-3.2.20/cmake/sdlchecks.cmake (limited to 'src/contrib/SDL-3.2.20/cmake/sdlchecks.cmake') diff --git a/src/contrib/SDL-3.2.20/cmake/sdlchecks.cmake b/src/contrib/SDL-3.2.20/cmake/sdlchecks.cmake new file mode 100644 index 0000000..d321e71 --- /dev/null +++ b/src/contrib/SDL-3.2.20/cmake/sdlchecks.cmake @@ -0,0 +1,1308 @@ +macro(FindLibraryAndSONAME _LIB) + cmake_parse_arguments(_FLAS "" "" "LIBDIRS" ${ARGN}) + + string(TOUPPER ${_LIB} _UPPERLNAME) + string(REGEX REPLACE "\\-" "_" _LNAME "${_UPPERLNAME}") + + find_library(${_LNAME}_LIB ${_LIB} PATHS ${_FLAS_LIBDIRS}) + + # FIXME: fail FindLibraryAndSONAME when library is not shared. + if(${_LNAME}_LIB MATCHES ".*\\${CMAKE_SHARED_LIBRARY_SUFFIX}.*" AND NOT ${_LNAME}_LIB MATCHES ".*\\${CMAKE_STATIC_LIBRARY_SUFFIX}.*") + set(${_LNAME}_SHARED TRUE) + else() + set(${_LNAME}_SHARED FALSE) + endif() + + if(${_LNAME}_LIB) + # reduce the library name for shared linking + + get_filename_component(_LIB_REALPATH ${${_LNAME}_LIB} REALPATH) # resolves symlinks + get_filename_component(_LIB_LIBDIR ${_LIB_REALPATH} DIRECTORY) + get_filename_component(_LIB_JUSTNAME ${_LIB_REALPATH} NAME) + + if(APPLE) + string(REGEX REPLACE "(\\.[0-9]*)\\.[0-9\\.]*dylib$" "\\1.dylib" _LIB_REGEXD "${_LIB_JUSTNAME}") + else() + string(REGEX REPLACE "(\\.[0-9]*)\\.[0-9\\.]*$" "\\1" _LIB_REGEXD "${_LIB_JUSTNAME}") + endif() + + if(NOT EXISTS "${_LIB_LIBDIR}/${_LIB_REGEXD}") + set(_LIB_REGEXD "${_LIB_JUSTNAME}") + endif() + set(${_LNAME}_LIBDIR "${_LIB_LIBDIR}") + + message(STATUS "dynamic lib${_LIB} -> ${_LIB_REGEXD}") + set(${_LNAME}_LIB_SONAME ${_LIB_REGEXD}) + endif() + + message(DEBUG "DYNLIB OUTPUTVAR: ${_LIB} ... ${_LNAME}_LIB") + message(DEBUG "DYNLIB ORIGINAL LIB: ${_LIB} ... ${${_LNAME}_LIB}") + message(DEBUG "DYNLIB REALPATH LIB: ${_LIB} ... ${_LIB_REALPATH}") + message(DEBUG "DYNLIB JUSTNAME LIB: ${_LIB} ... ${_LIB_JUSTNAME}") + message(DEBUG "DYNLIB SONAME LIB: ${_LIB} ... ${_LIB_REGEXD}") +endmacro() + +macro(CheckDLOPEN) + check_symbol_exists(dlopen "dlfcn.h" HAVE_DLOPEN_IN_LIBC) + if(NOT HAVE_DLOPEN_IN_LIBC) + cmake_push_check_state() + list(APPEND CMAKE_REQUIRED_LIBRARIES dl) + check_symbol_exists(dlopen "dlfcn.h" HAVE_DLOPEN_IN_LIBDL) + cmake_pop_check_state() + if(HAVE_DLOPEN_IN_LIBDL) + sdl_link_dependency(dl LIBS dl) + endif() + endif() + if(HAVE_DLOPEN_IN_LIBC OR HAVE_DLOPEN_IN_LIBDL) + set(HAVE_DLOPEN TRUE) + endif() +endmacro() + +macro(CheckO_CLOEXEC) + check_c_source_compiles(" + #include + int flag = O_CLOEXEC; + int main(int argc, char **argv) { return 0; }" HAVE_O_CLOEXEC) +endmacro() + +# Requires: +# - n/a +macro(CheckOSS) + if(SDL_OSS) + check_c_source_compiles(" + #include + int main(int argc, char **argv) { int arg = SNDCTL_DSP_SETFRAGMENT; return 0; }" HAVE_OSS_SYS_SOUNDCARD_H) + + if(HAVE_OSS_SYS_SOUNDCARD_H) + set(HAVE_OSS TRUE) + sdl_glob_sources(${SDL3_SOURCE_DIR}/src/audio/dsp/*.c) + set(SDL_AUDIO_DRIVER_OSS 1) + if(NETBSD) + sdl_link_dependency(oss LIBS ossaudio) + endif() + set(HAVE_SDL_AUDIO TRUE) + endif() + endif() +endmacro() + +# Requires: +# - n/a +# Optional: +# - SDL_ALSA_SHARED opt +# - HAVE_SDL_LOADSO opt +macro(CheckALSA) + if(SDL_ALSA) + set(ALSA_PKG_CONFIG_SPEC "alsa") + find_package(ALSA MODULE) + if(ALSA_FOUND) + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/audio/alsa/*.c") + set(SDL_AUDIO_DRIVER_ALSA 1) + set(HAVE_ALSA TRUE) + set(HAVE_ALSA_SHARED FALSE) + if(SDL_ALSA_SHARED) + if(HAVE_SDL_LOADSO) + FindLibraryAndSONAME("asound") + if(ASOUND_LIB AND ASOUND_SHARED) + sdl_link_dependency(alsa INCLUDES $) + set(SDL_AUDIO_DRIVER_ALSA_DYNAMIC "\"${ASOUND_LIB_SONAME}\"") + set(HAVE_ALSA_SHARED TRUE) + else() + message(WARNING "Unable to find asound shared object") + endif() + else() + message(WARNING "You must have SDL_LoadObject() support for dynamic ALSA loading") + endif() + endif() + if(NOT HAVE_ALSA_SHARED) + #FIXME: remove this line and property generate sdl3.pc + list(APPEND SDL_PC_PRIVATE_REQUIRES alsa) + sdl_link_dependency(alsa LIBS ALSA::ALSA CMAKE_MODULE ALSA PKG_CONFIG_SPECS "${ALSA_PKG_CONFIG_SPEC}") + endif() + set(HAVE_SDL_AUDIO TRUE) + else() + message(WARNING "Unable to find the alsa development library") + endif() + else() + set(HAVE_ALSA FALSE) + endif() +endmacro() + +# Requires: +# - PkgCheckModules +# Optional: +# - SDL_PIPEWIRE_SHARED opt +# - HAVE_SDL_LOADSO opt +macro(CheckPipewire) + if(SDL_PIPEWIRE) + set(PipeWire_PKG_CONFIG_SPEC libpipewire-0.3>=0.3.44) + set(PC_PIPEWIRE_FOUND FALSE) + if(PKG_CONFIG_FOUND) + pkg_check_modules(PC_PIPEWIRE IMPORTED_TARGET ${PipeWire_PKG_CONFIG_SPEC}) + endif() + if(PC_PIPEWIRE_FOUND) + set(HAVE_PIPEWIRE TRUE) + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/audio/pipewire/*.c") + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/camera/pipewire/*.c") + set(SDL_AUDIO_DRIVER_PIPEWIRE 1) + set(SDL_CAMERA_DRIVER_PIPEWIRE 1) + if(SDL_PIPEWIRE_SHARED AND NOT HAVE_SDL_LOADSO) + message(WARNING "You must have SDL_LoadObject() support for dynamic PipeWire loading") + endif() + FindLibraryAndSONAME("pipewire-0.3" LIBDIRS ${PC_PIPEWIRE_LIBRARY_DIRS}) + if(SDL_PIPEWIRE_SHARED AND PIPEWIRE_0.3_LIB AND HAVE_SDL_LOADSO) + set(SDL_AUDIO_DRIVER_PIPEWIRE_DYNAMIC "\"${PIPEWIRE_0.3_LIB_SONAME}\"") + set(SDL_CAMERA_DRIVER_PIPEWIRE_DYNAMIC "\"${PIPEWIRE_0.3_LIB_SONAME}\"") + set(HAVE_PIPEWIRE_SHARED TRUE) + sdl_link_dependency(pipewire INCLUDES $) + else() + sdl_link_dependency(pipewire LIBS PkgConfig::PC_PIPEWIRE PKG_CONFIG_PREFIX PC_PIPEWIRE PKG_CONFIG_SPECS ${PipeWire_PKG_CONFIG_SPEC}) + endif() + set(HAVE_SDL_AUDIO TRUE) + endif() + endif() +endmacro() + +# Requires: +# - PkgCheckModules +# Optional: +# - SDL_PULSEAUDIO_SHARED opt +# - HAVE_SDL_LOADSO opt +macro(CheckPulseAudio) + if(SDL_PULSEAUDIO) + set(PulseAudio_PKG_CONFIG_SPEC "libpulse>=0.9.15") + set(PC_PULSEAUDIO_FOUND FALSE) + if(PKG_CONFIG_FOUND) + pkg_check_modules(PC_PULSEAUDIO IMPORTED_TARGET ${PulseAudio_PKG_CONFIG_SPEC}) + endif() + if(PC_PULSEAUDIO_FOUND) + set(HAVE_PULSEAUDIO TRUE) + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/audio/pulseaudio/*.c") + set(SDL_AUDIO_DRIVER_PULSEAUDIO 1) + if(SDL_PULSEAUDIO_SHARED AND NOT HAVE_SDL_LOADSO) + message(WARNING "You must have SDL_LoadObject() support for dynamic PulseAudio loading") + endif() + FindLibraryAndSONAME("pulse" LIBDIRS ${PC_PULSEAUDIO_LIBRARY_DIRS}) + if(SDL_PULSEAUDIO_SHARED AND PULSE_LIB AND HAVE_SDL_LOADSO) + set(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC "\"${PULSE_LIB_SONAME}\"") + set(HAVE_PULSEAUDIO_SHARED TRUE) + sdl_link_dependency(pulseaudio INCLUDES $) + else() + sdl_link_dependency(pulseaudio LIBS PkgConfig::PC_PULSEAUDIO PKG_CONFIG_PREFIX PC_PULSEAUDIO PKG_CONFIG_SPECS "${PulseAudio_PKG_CONFIG_SPEC}") + endif() + set(HAVE_SDL_AUDIO TRUE) + endif() + endif() +endmacro() + +# Requires: +# - PkgCheckModules +# Optional: +# - SDL_JACK_SHARED opt +# - HAVE_SDL_LOADSO opt +macro(CheckJACK) + if(SDL_JACK) + set(Jack_PKG_CONFIG_SPEC jack) + set(PC_JACK_FOUND FALSE) + if(PKG_CONFIG_FOUND) + pkg_check_modules(PC_JACK IMPORTED_TARGET ${Jack_PKG_CONFIG_SPEC}) + endif() + if(PC_JACK_FOUND) + set(HAVE_JACK TRUE) + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/audio/jack/*.c") + set(SDL_AUDIO_DRIVER_JACK 1) + if(SDL_JACK_SHARED AND NOT HAVE_SDL_LOADSO) + message(WARNING "You must have SDL_LoadObject() support for dynamic JACK audio loading") + endif() + FindLibraryAndSONAME("jack" LIBDIRS ${PC_JACK_LIBRARY_DIRS}) + if(SDL_JACK_SHARED AND JACK_LIB AND HAVE_SDL_LOADSO) + set(SDL_AUDIO_DRIVER_JACK_DYNAMIC "\"${JACK_LIB_SONAME}\"") + set(HAVE_JACK_SHARED TRUE) + sdl_link_dependency(jack INCLUDES $) + else() + sdl_link_dependency(jack LIBS PkgConfig::PC_JACK PKG_CONFIG_PREFIX PC_JACK PKG_CONFIG_SPECS ${Jack_PKG_CONFIG_SPEC}) + endif() + set(HAVE_SDL_AUDIO TRUE) + endif() + endif() +endmacro() + +# Requires: +# - PkgCheckModules +# Optional: +# - SDL_SNDIO_SHARED opt +# - HAVE_SDL_LOADSO opt +macro(CheckSNDIO) + if(SDL_SNDIO) + set(SndIO_PKG_CONFIG_SPEC sndio) + set(PC_SNDIO_FOUND FALSE) + if(PKG_CONFIG_FOUND) + pkg_check_modules(PC_SNDIO IMPORTED_TARGET ${SndIO_PKG_CONFIG_SPEC}) + endif() + if(PC_SNDIO_FOUND) + set(HAVE_SNDIO TRUE) + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/audio/sndio/*.c") + set(SDL_AUDIO_DRIVER_SNDIO 1) + if(SDL_SNDIO_SHARED AND NOT HAVE_SDL_LOADSO) + message(WARNING "You must have SDL_LoadObject() support for dynamic sndio loading") + endif() + FindLibraryAndSONAME("sndio" LIBDIRS ${PC_SNDIO_LIBRARY_DIRS}) + if(SDL_SNDIO_SHARED AND SNDIO_LIB AND HAVE_SDL_LOADSO) + set(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC "\"${SNDIO_LIB_SONAME}\"") + set(HAVE_SNDIO_SHARED TRUE) + sdl_include_directories(PRIVATE SYSTEM $) + else() + sdl_link_dependency(sndio LIBS PkgConfig::PC_SNDIO PKG_CONFIG_PREFIX PC_SNDIO PKG_CONFIG_SPECS ${SndIO_PKG_CONFIG_SPEC}) + endif() + set(HAVE_SDL_AUDIO TRUE) + endif() + endif() +endmacro() + +# Requires: +# - n/a +# Optional: +# - SDL_X11_SHARED opt +# - HAVE_SDL_LOADSO opt +macro(CheckX11) + cmake_push_check_state() + if(SDL_X11) + set(X11_PKG_CONFIG_SPEC x11) + set(Xext_PKG_CONFIG_SPEC xext) + set(Xcursor_PKG_CONFIG_SPEC xcursor) + set(Xi_PKG_CONFIG_SPEC xi) + set(Xfixes_PKG_CONFIG_SPEC xfixes) + set(Xrandr_PKG_CONFIG_SPEC xrandr) + set(Xrender_PKG_CONFIG_SPEC xrender) + set(Xss_PKG_CONFIG_SPEC xscrnsaver) + + find_package(X11) + + foreach(_LIB X11 Xext Xcursor Xi Xfixes Xrandr Xrender Xss) + get_filename_component(_libdir "${X11_${_LIB}_LIB}" DIRECTORY) + FindLibraryAndSONAME("${_LIB}" LIBDIRS ${_libdir}) + endforeach() + + find_path(X11_INCLUDEDIR + NAMES X11/Xlib.h + PATHS + ${X11_INCLUDE_DIR} + /usr/pkg/xorg/include + /usr/X11R6/include + /usr/X11R7/include + /usr/local/include/X11 + /usr/include/X11 + /usr/openwin/include + /usr/openwin/share/include + /opt/graphics/OpenGL/include + /opt/X11/include + ) + + if(X11_INCLUDEDIR) + sdl_include_directories(PRIVATE SYSTEM "${X11_INCLUDEDIR}") + list(APPEND CMAKE_REQUIRED_INCLUDES ${X11_INCLUDEDIR}) + endif() + + find_file(HAVE_XCURSOR_H NAMES "X11/Xcursor/Xcursor.h" HINTS "${X11_INCLUDEDIR}") + find_file(HAVE_XINPUT2_H NAMES "X11/extensions/XInput2.h" HINTS "${X11_INCLUDEDIR}") + find_file(HAVE_XRANDR_H NAMES "X11/extensions/Xrandr.h" HINTS "${X11_INCLUDEDIR}") + find_file(HAVE_XFIXES_H_ NAMES "X11/extensions/Xfixes.h" HINTS "${X11_INCLUDEDIR}") + find_file(HAVE_XRENDER_H NAMES "X11/extensions/Xrender.h" HINTS "${X11_INCLUDEDIR}") + find_file(HAVE_XSYNC_H NAMES "X11/extensions/sync.h" HINTS "${X11_INCLUDEDIR}") + find_file(HAVE_XSS_H NAMES "X11/extensions/scrnsaver.h" HINTS "${X11_INCLUDEDIR}") + find_file(HAVE_XSHAPE_H NAMES "X11/extensions/shape.h" HINTS "${X11_INCLUDEDIR}") + find_file(HAVE_XDBE_H NAMES "X11/extensions/Xdbe.h" HINTS "${X11_INCLUDEDIR}") + find_file(HAVE_XEXT_H NAMES "X11/extensions/Xext.h" HINTS "${X11_INCLUDEDIR}") + + if(X11_LIB AND HAVE_XEXT_H) + + set(HAVE_X11 TRUE) + set(HAVE_SDL_VIDEO TRUE) + + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/x11/*.c") + set(SDL_VIDEO_DRIVER_X11 1) + + # Note: Disabled on Apple because the dynamic mode backend for X11 doesn't + # work properly on Apple during several issues like inconsistent paths + # among platforms. See #6778 (https://github.com/libsdl-org/SDL/issues/6778) + if(APPLE) + set(SDL_X11_SHARED OFF) + endif() + + check_symbol_exists(shmat "sys/shm.h" HAVE_SHMAT_IN_LIBC) + if(NOT HAVE_SHMAT_IN_LIBC) + check_library_exists(ipc shmat "" HAVE_SHMAT_IN_LIBIPC) + if(HAVE_SHMAT_IN_LIBIPC) + sdl_link_dependency(x11_ipc LIBS ipc) + endif() + if(NOT HAVE_SHMAT_IN_LIBIPC) + sdl_compile_definitions(PRIVATE "NO_SHARED_MEMORY") + endif() + endif() + + if(SDL_X11_SHARED) + if(NOT HAVE_SDL_LOADSO) + message(WARNING "You must have SDL_LoadObject() support for dynamic X11 loading") + set(HAVE_X11_SHARED FALSE) + else() + set(HAVE_X11_SHARED TRUE) + endif() + if(X11_LIB) + if(HAVE_X11_SHARED) + set(SDL_VIDEO_DRIVER_X11_DYNAMIC "\"${X11_LIB_SONAME}\"") + else() + sdl_link_dependency(x11 LIBS X11::X11 CMAKE_MODULE X11 PKG_CONFIG_SPECS ${X11_PKG_CONFIG_SPEC}) + endif() + endif() + if(XEXT_LIB) + if(HAVE_X11_SHARED) + set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT "\"${XEXT_LIB_SONAME}\"") + else() + sdl_link_dependency(xext LIBS X11::Xext CMAKE_MODULE X11 PKG_CONFIG_SPECS ${Xext_PKG_CONFIG_SPEC}) + endif() + endif() + else() + sdl_link_dependency(x11 LIBS X11::X11 CMAKE_MODULE X11 PKG_CONFIG_SPECS ${X11_PKG_CONFIG_SPEC}) + sdl_link_dependency(xext LIBS X11::Xext CMAKE_MODULE X11 PKG_CONFIG_SPECS ${Xext_PKG_CONFIG_SPEC}) + endif() + + list(APPEND CMAKE_REQUIRED_LIBRARIES ${X11_LIB}) + + check_c_source_compiles(" + #include + int main(int argc, char **argv) { + Display *display; + XEvent event; + XGenericEventCookie *cookie = &event.xcookie; + XNextEvent(display, &event); + XGetEventData(display, cookie); + XFreeEventData(display, cookie); + return 0; }" HAVE_XGENERICEVENT) + if(HAVE_XGENERICEVENT) + set(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS 1) + endif() + + check_symbol_exists(XkbLookupKeySym "X11/Xlib.h;X11/XKBlib.h" SDL_VIDEO_DRIVER_X11_HAS_XKBLOOKUPKEYSYM) + + if(SDL_X11_XCURSOR AND HAVE_XCURSOR_H AND XCURSOR_LIB) + set(HAVE_X11_XCURSOR TRUE) + if(HAVE_X11_SHARED) + set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR "\"${XCURSOR_LIB_SONAME}\"") + else() + sdl_link_dependency(xcursor LIBS X11::Xcursor CMAKE_MODULE X11 PKG_CONFIG_SPECS ${Xcursor_PKG_CONFIG_SPEC}) + endif() + set(SDL_VIDEO_DRIVER_X11_XCURSOR 1) + endif() + + if(SDL_X11_XDBE AND HAVE_XDBE_H) + set(HAVE_X11_XDBE TRUE) + set(SDL_VIDEO_DRIVER_X11_XDBE 1) + endif() + + if(SDL_X11_XINPUT AND HAVE_XINPUT2_H AND XI_LIB) + set(HAVE_X11_XINPUT TRUE) + if(HAVE_X11_SHARED) + set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2 "\"${XI_LIB_SONAME}\"") + else() + sdl_link_dependency(xi LIBS X11::Xi CMAKE_MODULE X11 PKG_CONFIG_SPECS ${Xi_PKG_CONFIG_SPEC}) + endif() + set(SDL_VIDEO_DRIVER_X11_XINPUT2 1) + + # Check for multitouch + check_c_source_compiles(" + #include + #include + #include + int event_type = XI_TouchBegin; + XITouchClassInfo *t; + Status XIAllowTouchEvents(Display *a,int b,unsigned int c,Window d,int f) { + return (Status)0; + } + int main(int argc, char **argv) { return 0; }" HAVE_XINPUT2_MULTITOUCH) + if(HAVE_XINPUT2_MULTITOUCH) + set(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH 1) + endif() + endif() + + # check along with XInput2.h because we use Xfixes with XIBarrierReleasePointer + if(SDL_X11_XFIXES AND HAVE_XFIXES_H_ AND HAVE_XINPUT2_H) + check_c_source_compiles(" + #include + #include + #include + #include + BarrierEventID b; + int main(int argc, char **argv) { return 0; }" HAVE_XFIXES_H) + endif() + if(SDL_X11_XFIXES AND HAVE_XFIXES_H AND HAVE_XINPUT2_H AND XFIXES_LIB) + if(HAVE_X11_SHARED) + set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XFIXES "\"${XFIXES_LIB_SONAME}\"") + else() + sdl_link_dependency(xfixes LIBS X11::Xfixes CMAKE_MODULE X11 PKG_CONFIG_SPECS ${Xfixes_PKG_CONFIG_SPEC}) + endif() + set(SDL_VIDEO_DRIVER_X11_XFIXES 1) + set(HAVE_X11_XFIXES TRUE) + endif() + + if(SDL_X11_XSYNC AND HAVE_XSYNC_H AND XEXT_LIB) + set(SDL_VIDEO_DRIVER_X11_XSYNC 1) + set(HAVE_X11_XSYNC TRUE) + endif() + + if(SDL_X11_XRANDR AND HAVE_XRANDR_H AND XRANDR_LIB) + if(HAVE_X11_SHARED) + set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR "\"${XRANDR_LIB_SONAME}\"") + else() + sdl_link_dependency(xrandr LIBS X11::Xrandr CMAKE_MODULE X11 PKG_CONFIG_SPECS ${Xrandr_PKG_CONFIG_SPEC}) + endif() + set(SDL_VIDEO_DRIVER_X11_XRANDR 1) + set(HAVE_X11_XRANDR TRUE) + endif() + + if(SDL_X11_XSCRNSAVER AND HAVE_XSS_H AND XSS_LIB) + if(HAVE_X11_SHARED) + set(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS "\"${XSS_LIB_SONAME}\"") + else() + sdl_link_dependency(xss LIBS X11::Xss CMAKE_MODULE X11 PKG_CONFIG_SPECS ${Xss_PKG_CONFIG_SPEC}) + endif() + set(SDL_VIDEO_DRIVER_X11_XSCRNSAVER 1) + set(HAVE_X11_XSCRNSAVER TRUE) + endif() + + if(SDL_X11_XSHAPE AND HAVE_XSHAPE_H) + set(SDL_VIDEO_DRIVER_X11_XSHAPE 1) + set(HAVE_X11_XSHAPE TRUE) + endif() + endif() + endif() + if(NOT HAVE_X11) + # Prevent Mesa from including X11 headers + sdl_compile_definitions(PRIVATE "MESA_EGL_NO_X11_HEADERS" "EGL_NO_X11") + endif() + cmake_pop_check_state() +endmacro() + +macro(WaylandProtocolGen _SCANNER _CODE_MODE _XML _PROTL) + set(_WAYLAND_PROT_C_CODE "${CMAKE_CURRENT_BINARY_DIR}/wayland-generated-protocols/${_PROTL}-protocol.c") + set(_WAYLAND_PROT_H_CODE "${CMAKE_CURRENT_BINARY_DIR}/wayland-generated-protocols/${_PROTL}-client-protocol.h") + + add_custom_command( + OUTPUT "${_WAYLAND_PROT_H_CODE}" + DEPENDS "${_XML}" + COMMAND "${_SCANNER}" + ARGS client-header "${_XML}" "${_WAYLAND_PROT_H_CODE}" + ) + + add_custom_command( + OUTPUT "${_WAYLAND_PROT_C_CODE}" + DEPENDS "${_WAYLAND_PROT_H_CODE}" + COMMAND "${_SCANNER}" + ARGS "${_CODE_MODE}" "${_XML}" "${_WAYLAND_PROT_C_CODE}" + ) + + sdl_sources("${_WAYLAND_PROT_C_CODE}") +endmacro() + +# Requires: +# - EGL +# - PkgCheckModules +# Optional: +# - SDL_WAYLAND_SHARED opt +# - HAVE_SDL_LOADSO opt +macro(CheckWayland) + if(SDL_WAYLAND) + set(WAYLAND_PKG_CONFIG_SPEC "wayland-client>=1.18" wayland-egl wayland-cursor egl "xkbcommon>=0.5.0") + set(PC_WAYLAND_FOUND FALSE) + if(PKG_CONFIG_FOUND) + pkg_check_modules(PC_WAYLAND IMPORTED_TARGET ${WAYLAND_PKG_CONFIG_SPEC}) + endif() + find_program(WAYLAND_SCANNER NAMES wayland-scanner) + + set(WAYLAND_FOUND FALSE) + if(PC_WAYLAND_FOUND AND WAYLAND_SCANNER) + execute_process( + COMMAND ${WAYLAND_SCANNER} --version + RESULT_VARIABLE WAYLAND_SCANNER_VERSION_RC + ERROR_VARIABLE WAYLAND_SCANNER_VERSION_STDERR + ERROR_STRIP_TRAILING_WHITESPACE + ) + if(NOT WAYLAND_SCANNER_VERSION_RC EQUAL 0) + message(WARNING "Failed to get wayland-scanner version") + else() + if(WAYLAND_SCANNER_VERSION_STDERR MATCHES [[([0-9.]+)$]]) + set(WAYLAND_FOUND TRUE) + set(WAYLAND_SCANNER_VERSION ${CMAKE_MATCH_1}) + if(WAYLAND_SCANNER_VERSION VERSION_LESS "1.15.0") + set(WAYLAND_SCANNER_CODE_MODE "code") + else() + set(WAYLAND_SCANNER_CODE_MODE "private-code") + endif() + endif() + endif() + endif() + + if(WAYLAND_FOUND) + set(HAVE_WAYLAND TRUE) + set(HAVE_SDL_VIDEO TRUE) + + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/wayland/*.c") + + # We have to generate some protocol interface code for some unstable Wayland features. + file(MAKE_DIRECTORY "${SDL3_BINARY_DIR}/wayland-generated-protocols") + # Prepend to include path to make sure they override installed protocol headers + sdl_include_directories(PRIVATE SYSTEM BEFORE "${SDL3_BINARY_DIR}/wayland-generated-protocols") + + file(GLOB WAYLAND_PROTOCOLS_XML RELATIVE "${SDL3_SOURCE_DIR}/wayland-protocols/" "${SDL3_SOURCE_DIR}/wayland-protocols/*.xml") + foreach(_XML IN LISTS WAYLAND_PROTOCOLS_XML) + string(REGEX REPLACE "\\.xml$" "" _PROTL "${_XML}") + WaylandProtocolGen("${WAYLAND_SCANNER}" "${WAYLAND_SCANNER_CODE_MODE}" "${SDL3_SOURCE_DIR}/wayland-protocols/${_XML}" "${_PROTL}") + endforeach() + + if(SDL_WAYLAND_SHARED AND NOT HAVE_SDL_LOADSO) + message(WARNING "You must have SDL_LoadObject() support for dynamic Wayland loading") + endif() + FindLibraryAndSONAME(wayland-client LIBDIRS ${PC_WAYLAND_LIBRARY_DIRS}) + FindLibraryAndSONAME(wayland-egl LIBDIRS ${PC_WAYLAND_LIBRARY_DIRS}) + FindLibraryAndSONAME(wayland-cursor LIBDIRS ${PC_WAYLAND_LIBRARY_DIRS}) + FindLibraryAndSONAME(xkbcommon LIBDIRS ${PC_WAYLAND_LIBRARY_DIRS}) + if(SDL_WAYLAND_SHARED AND WAYLAND_CLIENT_LIB AND WAYLAND_EGL_LIB AND WAYLAND_CURSOR_LIB AND XKBCOMMON_LIB AND HAVE_SDL_LOADSO) + set(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC "\"${WAYLAND_CLIENT_LIB_SONAME}\"") + set(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL "\"${WAYLAND_EGL_LIB_SONAME}\"") + set(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR "\"${WAYLAND_CURSOR_LIB_SONAME}\"") + set(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON "\"${XKBCOMMON_LIB_SONAME}\"") + set(HAVE_WAYLAND_SHARED TRUE) + sdl_link_dependency(wayland INCLUDES $) + else() + sdl_link_dependency(wayland LIBS PkgConfig::PC_WAYLAND PKG_CONFIG_PREFIX PC_WAYLAND PKG_CONFIG_SPECS ${WAYLAND_PKG_CONFIG_SPEC}) + endif() + + if(SDL_WAYLAND_LIBDECOR) + set(LibDecor_PKG_CONFIG_SPEC libdecor-0) + pkg_check_modules(PC_LIBDECOR IMPORTED_TARGET ${LibDecor_PKG_CONFIG_SPEC}) + if(PC_LIBDECOR_FOUND) + + # Libdecor doesn't provide internal version defines, so generate them here. + if (PC_LIBDECOR_VERSION MATCHES "^([0-9]+)\\.([0-9]+)\\.([0-9]+)") + set(SDL_LIBDECOR_VERSION_MAJOR ${CMAKE_MATCH_1}) + set(SDL_LIBDECOR_VERSION_MINOR ${CMAKE_MATCH_2}) + set(SDL_LIBDECOR_VERSION_PATCH ${CMAKE_MATCH_3}) + else() + message(WARNING "Failed to parse libdecor version; defaulting to lowest supported (0.1.0)") + set(SDL_LIBDECOR_VERSION_MAJOR 0) + set(SDL_LIBDECOR_VERSION_MINOR 1) + set(SDL_LIBDECOR_VERSION_PATCH 0) + endif() + + if(PC_LIBDECOR_VERSION VERSION_GREATER_EQUAL "0.2.0") + set(LibDecor_PKG_CONFIG_SPEC "libdecor-0>=0.2.0") + endif() + set(HAVE_WAYLAND_LIBDECOR TRUE) + set(HAVE_LIBDECOR_H 1) + if(SDL_WAYLAND_LIBDECOR_SHARED AND NOT HAVE_SDL_LOADSO) + message(WARNING "You must have SDL_LoadObject() support for dynamic libdecor loading") + endif() + FindLibraryAndSONAME(decor-0 LIBDIRS ${PC_LIBDECOR_LIBRARY_DIRS}) + if(SDL_WAYLAND_LIBDECOR_SHARED AND DECOR_0_LIB AND HAVE_SDL_LOADSO) + set(HAVE_WAYLAND_LIBDECOR_SHARED TRUE) + set(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_LIBDECOR "\"${DECOR_0_LIB_SONAME}\"") + sdl_link_dependency(libdecor INCLUDES $) + else() + sdl_link_dependency(libdecor LIBS PkgConfig::PC_LIBDECOR PKG_CONFIG_PREFIX PC_LIBDECOR PKG_CONFIG_SPECS ${LibDecor_PKG_CONFIG_SPEC}) + endif() + endif() + endif() + + set(SDL_VIDEO_DRIVER_WAYLAND 1) + endif() + endif() +endmacro() + +# Requires: +# - n/a +# +macro(CheckCOCOA) + if(SDL_COCOA) + if(APPLE) # Apple always has Cocoa. + set(HAVE_COCOA TRUE) + endif() + if(HAVE_COCOA) + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/cocoa/*.m") + set(SDL_FRAMEWORK_IOKIT 1) + set(SDL_VIDEO_DRIVER_COCOA 1) + set(HAVE_SDL_VIDEO TRUE) + endif() + endif() +endmacro() + +# Requires: +# - n/a +macro(CheckVivante) + if(SDL_VIVANTE) + check_c_source_compiles(" + #include + int main(int argc, char** argv) { return 0; }" HAVE_VIVANTE_VDK) + check_c_source_compiles(" + #define LINUX + #define EGL_API_FB + #include + int main(int argc, char** argv) { return 0; }" HAVE_VIVANTE_EGL_FB) + if(HAVE_VIVANTE_VDK OR HAVE_VIVANTE_EGL_FB) + set(HAVE_VIVANTE TRUE) + set(HAVE_SDL_VIDEO TRUE) + + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/vivante/*.c") + set(SDL_VIDEO_DRIVER_VIVANTE 1) + # FIXME: Use Find module + if(HAVE_VIVANTE_VDK) + set(SDL_VIDEO_DRIVER_VIVANTE_VDK 1) + find_library(VIVANTE_LIBRARY REQUIRED NAMES VIVANTE vivante drm_vivante) + find_library(VIVANTE_VDK_LIBRARY VDK REQUIRED) + sdl_link_dependency(vivante LIBS ${VIVANTE_LIBRARY} ${VIVANTE_VDK_LIBRARY}) + else() + # these defines are needed when including the system EGL headers, which SDL does + sdl_compile_definitions(PUBLIC "LINUX" "EGL_API_FB") + sdl_link_dependency(vivante LIBS EGL) + endif(HAVE_VIVANTE_VDK) + endif() + endif() +endmacro() + +# Requires: +# - n/a +macro(CheckOpenVR) + if(SDL_OPENVR) + set(HAVE_OPENVR TRUE) + set(HAVE_OPENVR_VIDEO TRUE) + + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/openvr/*.c") + set(SDL_VIDEO_DRIVER_OPENVR 1) + if(NOT WINDOWS) + sdl_link_dependency(egl LIBS EGL) + endif() + endif() +endmacro() + +# Requires: +# - nada +macro(CheckGLX) + if(SDL_OPENGL) + check_c_source_compiles(" + #include + int main(int argc, char** argv) { return 0; }" HAVE_OPENGL_GLX) + if(HAVE_OPENGL_GLX AND NOT HAVE_ROCKCHIP) + set(SDL_VIDEO_OPENGL_GLX 1) + endif() + endif() +endmacro() + +# Requires: +# - PkgCheckModules +macro(CheckEGL) + if(SDL_OPENGL OR SDL_OPENGLES) + cmake_push_check_state() + find_package(OpenGL MODULE) + list(APPEND CMAKE_REQUIRED_INCLUDES ${OPENGL_EGL_INCLUDE_DIRS}) + list(APPEND CMAKE_REQUIRED_INCLUDES "${SDL3_SOURCE_DIR}/src/video/khronos") + check_c_source_compiles(" + #define EGL_API_FB + #define MESA_EGL_NO_X11_HEADERS + #define EGL_NO_X11 + #include + #include + int main (int argc, char** argv) { return 0; }" HAVE_OPENGL_EGL) + cmake_pop_check_state() + if(HAVE_OPENGL_EGL) + set(SDL_VIDEO_OPENGL_EGL 1) + sdl_link_dependency(egl INCLUDES ${OPENGL_EGL_INCLUDE_DIRS}) + endif() + endif() +endmacro() + +# Requires: +# - nada +macro(CheckOpenGL) + if(SDL_OPENGL) + check_c_source_compiles(" + #include + #include + int main(int argc, char** argv) { return 0; }" HAVE_OPENGL) + if(HAVE_OPENGL) + set(SDL_VIDEO_OPENGL 1) + set(SDL_VIDEO_RENDER_OGL 1) + endif() + endif() +endmacro() + +# Requires: +# - nada +macro(CheckOpenGLES) + if(SDL_OPENGLES) + cmake_push_check_state() + list(APPEND CMAKE_REQUIRED_INCLUDES "${SDL3_SOURCE_DIR}/src/video/khronos") + check_c_source_compiles(" + #include + #include + int main (int argc, char** argv) { return 0; }" HAVE_OPENGLES_V1) + check_c_source_compiles(" + #include + #include + int main (int argc, char** argv) { return 0; }" HAVE_OPENGLES_V2) + cmake_pop_check_state() + if(HAVE_OPENGLES_V1) + set(HAVE_OPENGLES TRUE) + set(SDL_VIDEO_OPENGL_ES 1) + endif() + if(HAVE_OPENGLES_V2) + set(HAVE_OPENGLES TRUE) + set(SDL_VIDEO_OPENGL_ES2 1) + set(SDL_VIDEO_RENDER_OGL_ES2 1) + endif() + endif() +endmacro() + +macro(CheckVulkan) + if(SDL_VULKAN) + set(SDL_VIDEO_VULKAN 1) + set(HAVE_VULKAN TRUE) + if(SDL_RENDER_VULKAN) + set(SDL_VIDEO_RENDER_VULKAN 1) + set(HAVE_RENDER_VULKAN TRUE) + endif() + endif() +endmacro() + +# Requires: +# - EGL +macro(CheckQNXScreen) + if(QNX AND HAVE_OPENGL_EGL) + check_c_source_compiles(" + #include + int main (int argc, char** argv) { return 0; }" HAVE_QNX_SCREEN) + if(HAVE_QNX_SCREEN) + set(SDL_VIDEO_DRIVER_QNX 1) + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/qnx/*.c") + sdl_link_dependency(qnxscreen LIBS screen EGL) + endif() + endif() +endmacro() + +# Requires: +# - nada +# Optional: +# - THREADS opt +# Sets: +# PTHREAD_CFLAGS +# PTHREAD_LIBS +macro(CheckPTHREAD) + cmake_push_check_state() + if(SDL_PTHREADS) + if(ANDROID) + # the android libc provides built-in support for pthreads, so no + # additional linking or compile flags are necessary + elseif(LINUX) + set(PTHREAD_CFLAGS "-D_REENTRANT") + set(PTHREAD_LDFLAGS "-pthread") + elseif(BSDI) + set(PTHREAD_CFLAGS "-D_REENTRANT -D_THREAD_SAFE") + set(PTHREAD_LDFLAGS "") + elseif(DARWIN) + set(PTHREAD_CFLAGS "-D_THREAD_SAFE") + # causes Carbon.p complaints? + # set(PTHREAD_CFLAGS "-D_REENTRANT -D_THREAD_SAFE") + set(PTHREAD_LDFLAGS "") + elseif(FREEBSD) + set(PTHREAD_CFLAGS "-D_REENTRANT -D_THREAD_SAFE") + set(PTHREAD_LDFLAGS "-pthread") + elseif(NETBSD) + set(PTHREAD_CFLAGS "-D_REENTRANT -D_THREAD_SAFE") + set(PTHREAD_LDFLAGS "-lpthread") + elseif(OPENBSD) + set(PTHREAD_CFLAGS "-D_REENTRANT") + set(PTHREAD_LDFLAGS "-lpthread") + elseif(SOLARIS) + set(PTHREAD_CFLAGS "-D_REENTRANT") + if(CMAKE_C_COMPILER_ID MATCHES "SunPro") + set(PTHREAD_LDFLAGS "-mt -lpthread") + else() + set(PTHREAD_LDFLAGS "-pthread") + endif() + elseif(SYSV5) + set(PTHREAD_CFLAGS "-D_REENTRANT -Kthread") + set(PTHREAD_LDFLAGS "") + elseif(AIX) + set(PTHREAD_CFLAGS "-D_REENTRANT -mthreads") + set(PTHREAD_LDFLAGS "-pthread") + elseif(HPUX) + set(PTHREAD_CFLAGS "-D_REENTRANT") + set(PTHREAD_LDFLAGS "-L/usr/lib -pthread") + elseif(HAIKU) + set(PTHREAD_CFLAGS "-D_REENTRANT") + set(PTHREAD_LDFLAGS "") + elseif(EMSCRIPTEN) + set(PTHREAD_CFLAGS "-D_REENTRANT -pthread") + set(PTHREAD_LDFLAGS "-pthread") + elseif(QNX) + # pthread support is baked in + else() + set(PTHREAD_CFLAGS "-D_REENTRANT") + set(PTHREAD_LDFLAGS "-lpthread") + endif() + + # Run some tests + string(APPEND CMAKE_REQUIRED_FLAGS " ${PTHREAD_CFLAGS} ${PTHREAD_LDFLAGS}") + check_c_source_compiles(" + #include + int main(int argc, char** argv) { + pthread_attr_t type; + pthread_attr_init(&type); + return 0; + }" HAVE_PTHREADS) + if(HAVE_PTHREADS) + set(SDL_THREAD_PTHREAD 1) + separate_arguments(PTHREAD_CFLAGS) + sdl_compile_options(PRIVATE ${PTHREAD_CFLAGS}) + sdl_link_dependency(pthread LINK_OPTIONS ${PTHREAD_LDFLAGS}) + + check_c_source_compiles(" + #include + int main(int argc, char **argv) { + pthread_mutexattr_t attr; + pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); + return 0; + }" HAVE_RECURSIVE_MUTEXES) + if(HAVE_RECURSIVE_MUTEXES) + set(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX 1) + else() + check_c_source_compiles(" + #include + int main(int argc, char **argv) { + pthread_mutexattr_t attr; + pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE_NP); + return 0; + }" HAVE_RECURSIVE_MUTEXES_NP) + if(HAVE_RECURSIVE_MUTEXES_NP) + set(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP 1) + endif() + endif() + + if(SDL_PTHREADS_SEM) + check_c_source_compiles("#include + #include + int main(int argc, char **argv) { return 0; }" HAVE_PTHREADS_SEM) + if(HAVE_PTHREADS_SEM) + check_c_source_compiles(" + #include + #include + int main(int argc, char **argv) { + sem_timedwait(NULL, NULL); + return 0; + }" COMPILER_HAS_SEM_TIMEDWAIT) + set(HAVE_SEM_TIMEDWAIT ${COMPILER_HAS_SEM_TIMEDWAIT}) + endif() + endif() + + check_include_file(pthread.h HAVE_PTHREAD_H) + check_include_file(pthread_np.h HAVE_PTHREAD_NP_H) + if (HAVE_PTHREAD_H) + check_c_source_compiles(" + #include + int main(int argc, char **argv) { + #ifdef __APPLE__ + pthread_setname_np(\"\"); + #else + pthread_setname_np(pthread_self(),\"\"); + #endif + return 0; + }" HAVE_PTHREAD_SETNAME_NP) + if (HAVE_PTHREAD_NP_H) + check_symbol_exists(pthread_set_name_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SET_NAME_NP) + endif() + endif() + + sdl_sources( + "${SDL3_SOURCE_DIR}/src/thread/pthread/SDL_systhread.c" + "${SDL3_SOURCE_DIR}/src/thread/pthread/SDL_sysmutex.c" # Can be faked, if necessary + "${SDL3_SOURCE_DIR}/src/thread/pthread/SDL_syscond.c" # Can be faked, if necessary + "${SDL3_SOURCE_DIR}/src/thread/pthread/SDL_sysrwlock.c" # Can be faked, if necessary + "${SDL3_SOURCE_DIR}/src/thread/pthread/SDL_systls.c" + ) + if(HAVE_PTHREADS_SEM) + sdl_sources("${SDL3_SOURCE_DIR}/src/thread/pthread/SDL_syssem.c") + else() + sdl_sources("${SDL3_SOURCE_DIR}/src/thread/generic/SDL_syssem.c") + endif() + set(HAVE_SDL_THREADS TRUE) + endif() + endif() + cmake_pop_check_state() +endmacro() + +# Requires +# - nada +# Optional: +# Sets: +# USB_LIBS +# USB_CFLAGS +macro(CheckUSBHID) + cmake_push_check_state() + check_library_exists(usbhid hid_init "" LIBUSBHID) + if(LIBUSBHID) + check_include_file(usbhid.h HAVE_USBHID_H) + if(HAVE_USBHID_H) + set(USB_CFLAGS "-DHAVE_USBHID_H") + endif() + + check_include_file(libusbhid.h HAVE_LIBUSBHID_H) + if(HAVE_LIBUSBHID_H) + string(APPEND USB_CFLAGS " -DHAVE_LIBUSBHID_H") + endif() + set(USB_LIBS ${USB_LIBS} usbhid) + else() + check_include_file(usb.h HAVE_USB_H) + if(HAVE_USB_H) + set(USB_CFLAGS "-DHAVE_USB_H") + endif() + check_include_file(libusb.h HAVE_LIBUSB_H) + if(HAVE_LIBUSB_H) + string(APPEND USB_CFLAGS " -DHAVE_LIBUSB_H") + endif() + check_library_exists(usb hid_init "" LIBUSB) + if(LIBUSB) + list(APPEND USB_LIBS usb) + endif() + endif() + + string(APPEND CMAKE_REQUIRED_FLAGS " ${USB_CFLAGS}") + list(APPEND CMAKE_REQUIRED_LIBRARIES ${USB_LIBS}) + check_c_source_compiles(" + #include + #if defined(HAVE_USB_H) + #include + #endif + #ifdef __DragonFly__ + # include + # include + #else + # include + # include + #endif + #if defined(HAVE_USBHID_H) + #include + #elif defined(HAVE_LIBUSB_H) + #include + #elif defined(HAVE_LIBUSBHID_H) + #include + #endif + int main(int argc, char **argv) { + struct report_desc *repdesc; + struct usb_ctl_report *repbuf; + hid_kind_t hidkind; + return 0; + }" HAVE_USBHID) + if(HAVE_USBHID) + check_c_source_compiles(" + #include + #if defined(HAVE_USB_H) + #include + #endif + #ifdef __DragonFly__ + # include + # include + #else + # include + # include + #endif + #if defined(HAVE_USBHID_H) + #include + #elif defined(HAVE_LIBUSB_H) + #include + #elif defined(HAVE_LIBUSBHID_H) + #include + #endif + int main(int argc, char** argv) { + struct usb_ctl_report buf; + if (buf.ucr_data) { } + return 0; + }" HAVE_USBHID_UCR_DATA) + if(HAVE_USBHID_UCR_DATA) + string(APPEND USB_CFLAGS " -DUSBHID_UCR_DATA") + endif() + + check_c_source_compiles(" + #include + #if defined(HAVE_USB_H) + #include + #endif + #ifdef __DragonFly__ + #include + #include + #else + #include + #include + #endif + #if defined(HAVE_USBHID_H) + #include + #elif defined(HAVE_LIBUSB_H) + #include + #elif defined(HAVE_LIBUSBHID_H) + #include + #endif + int main(int argc, char **argv) { + report_desc_t d; + hid_start_parse(d, 1, 1); + return 0; + }" HAVE_USBHID_NEW) + if(HAVE_USBHID_NEW) + string(APPEND USB_CFLAGS " -DUSBHID_NEW") + endif() + + check_c_source_compiles(" + #include + int main(int argc, char** argv) { + struct joystick t; + return 0; + }" HAVE_MACHINE_JOYSTICK) + if(HAVE_MACHINE_JOYSTICK) + set(SDL_HAVE_MACHINE_JOYSTICK_H 1) + endif() + set(SDL_JOYSTICK_USBHID 1) + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/joystick/bsd/*.c") + separate_arguments(USB_CFLAGS) + sdl_compile_options(PRIVATE ${USB_CFLAGS}) + #FIXME: properly add usb libs with pkg-config or whatever + sdl_link_dependency(usbhid LIBS ${USB_LIBS}) + set(HAVE_SDL_JOYSTICK TRUE) + endif() + cmake_pop_check_state() +endmacro() + +# Check for HIDAPI support +macro(CheckHIDAPI) + if(ANDROID) + enable_language(CXX) + sdl_sources("${SDL3_SOURCE_DIR}/src/hidapi/android/hid.cpp") + endif() + if(IOS OR TVOS) + sdl_sources("${SDL3_SOURCE_DIR}/src/hidapi/ios/hid.m") + set(SDL_FRAMEWORK_COREBLUETOOTH 1) + endif() + if(SDL_HIDAPI) + set(HAVE_HIDAPI ON) + if(SDL_HIDAPI_LIBUSB) + set(HAVE_LIBUSB FALSE) + find_package(LibUSB) + if(LibUSB_FOUND) + cmake_push_check_state() + list(APPEND CMAKE_REQUIRED_LIBRARIES LibUSB::LibUSB) + check_c_source_compiles(" + #include + #include + int main(int argc, char **argv) { + libusb_close(NULL); + return 0; + }" HAVE_LIBUSB_H) + cmake_pop_check_state() + if(HAVE_LIBUSB_H) + set(HAVE_LIBUSB TRUE) + target_get_dynamic_library(dynamic_libusb LibUSB::LibUSB) + if(SDL_HIDAPI_LIBUSB_SHARED AND dynamic_libusb) + set(HAVE_HIDAPI_LIBUSB_SHARED ON) + set(SDL_LIBUSB_DYNAMIC "\"${dynamic_libusb}\"") + sdl_link_dependency(hidapi INCLUDES $) + else() + sdl_link_dependency(hidapi LIBS LibUSB::LibUSB PKG_CONFIG_SPECS "${LibUSB_PKG_CONFIG_SPEC}" CMAKE_MODULE LibUSB) + endif() + endif() + endif() + set(HAVE_HIDAPI_LIBUSB ${HAVE_LIBUSB}) + endif() + + if(HAVE_HIDAPI) + set(HAVE_SDL_HIDAPI TRUE) + + if(SDL_JOYSTICK AND SDL_HIDAPI_JOYSTICK) + set(SDL_JOYSTICK_HIDAPI 1) + set(HAVE_SDL_JOYSTICK TRUE) + set(HAVE_HIDAPI_JOYSTICK TRUE) + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/joystick/hidapi/*.c") + endif() + else() + set(SDL_HIDAPI_DISABLED 1) + endif() + else() + set(SDL_HIDAPI_DISABLED 1) + endif() +endmacro() + +# Requires: +# - n/a +macro(CheckRPI) + if(SDL_RPI) + set(BCM_HOST_PKG_CONFIG_SPEC bcm_host) + set(BRCMEGL_PKG_CONFIG_SPEC brcmegl) + + set(original_PKG_CONFIG_PATH $ENV{PKG_CONFIG_PATH}) + set(ENV{PKG_CONFIG_PATH} "${original_PKG_CONFIG_PATH}:/opt/vc/lib/pkgconfig") + set(PC_BCM_HOST_FOUND FALSE) + set(PC_BRCMEGL_FOUND FALSE) + if(PKG_CONFIG_FOUND) + pkg_check_modules(PC_BCM_HOST IMPORTED_TARGET QUIET ${BCM_HOST_PKG_CONFIG_SPEC}) + pkg_check_modules(PC_BRCMEGL IMPORTED_TARGET QUIET ${BRCMEGL_PKG_CONFIG_SPEC}) + endif() + set(ENV{PKG_CONFIG_PATH} "${original_PKG_CONFIG_PATH}") + + if(TARGET PkgConfig::PC_BCM_HOST AND TARGET PkgConfig::PC_BRCMEGL) + set(HAVE_RPI TRUE) + if(SDL_VIDEO) + set(HAVE_SDL_VIDEO TRUE) + set(SDL_VIDEO_DRIVER_RPI 1) + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/raspberry/*.c") + sdl_link_dependency(rpi-video LIBS PkgConfig::PC_BCM_HOST PKG_CONFIG_PREFIX PC_BCM_HOST PKG_CONFIG_SPECS ${BCM_HOST_PKG_CONFIG_SPEC}) + endif() + endif() + endif() +endmacro() + +# Requires: +# - n/a +macro(CheckROCKCHIP) + if(SDL_ROCKCHIP) + set(MALI_PKG_CONFIG_SPEC mali) + set(PC_MALI_FOUND FALSE) + if(PKG_CONFIG_FOUND) + pkg_check_modules(PC_MALI QUIET ${MALI_PKG_CONFIG_SPEC}) + endif() + if(PC_MALI_FOUND) + set(HAVE_ROCKCHIP TRUE) + endif() + if(SDL_VIDEO AND HAVE_ROCKCHIP) + set(HAVE_SDL_VIDEO TRUE) + set(SDL_VIDEO_DRIVER_ROCKCHIP 1) + endif() + endif() +endmacro() + +# Requires: +# - EGL +# - PkgCheckModules +# Optional: +# - SDL_KMSDRM_SHARED opt +# - HAVE_SDL_LOADSO opt +macro(CheckKMSDRM) + if(SDL_KMSDRM) + set(PKG_CONFIG_LIBDRM_SPEC libdrm) + set(PKG_CONFIG_GBM_SPEC gbm) + set(PC_LIBDRM_FOUND FALSE) + set(PC_GBM_FOUND FALSE) + if(PKG_CONFIG_FOUND) + pkg_check_modules(PC_LIBDRM IMPORTED_TARGET ${PKG_CONFIG_LIBDRM_SPEC}) + pkg_check_modules(PC_GBM IMPORTED_TARGET ${PKG_CONFIG_GBM_SPEC}) + endif() + if(PC_LIBDRM_FOUND AND PC_GBM_FOUND AND HAVE_OPENGL_EGL) + set(HAVE_KMSDRM TRUE) + set(HAVE_SDL_VIDEO TRUE) + + sdl_glob_sources("${SDL3_SOURCE_DIR}/src/video/kmsdrm/*.c") + + set(SDL_VIDEO_DRIVER_KMSDRM 1) + + if(SDL_KMSDRM_SHARED AND NOT HAVE_SDL_LOADSO) + message(WARNING "You must have SDL_LoadObject() support for dynamic KMS/DRM loading") + endif() + set(HAVE_KMSDRM_SHARED FALSE) + if(SDL_KMSDRM_SHARED AND HAVE_SDL_LOADSO) + FindLibraryAndSONAME(drm LIBDIRS ${PC_LIBDRM_LIBRARY_DIRS}) + FindLibraryAndSONAME(gbm LIBDIRS ${PC_GBM_LIBRARY_DIRS}) + if(DRM_LIB AND DRM_SHARED AND GBM_LIB AND GBM_SHARED) + set(SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC "\"${DRM_LIB_SONAME}\"") + set(SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC_GBM "\"${GBM_LIB_SONAME}\"") + set(HAVE_KMSDRM_SHARED TRUE) + sdl_link_dependency(kmsdrm-drm INCLUDES $) + sdl_link_dependency(kmsdrm-gbm INCLUDES $) + endif() + endif() + if(NOT HAVE_KMSDRM_SHARED) + sdl_link_dependency(kmsdrm-libdrm LIBS PkgConfig::PC_LIBDRM PKG_CONFIG_PREFIX PC_LIBDRM PKG_CONFIG_SPECS ${PKG_CONFIG_LIBDRM_SPEC}) + sdl_link_dependency(kmsdrm-gbm LIBS PkgConfig::PC_GBM PKG_CONFIG_PREFIX PC_GBM PKG_CONFIG_SPECS ${PKG_CONFIG_GBM_SPEC}) + endif() + endif() + endif() +endmacro() + +macro(CheckLibUDev) + if(SDL_LIBUDEV) + check_include_file("libudev.h" HAVE_LIBUDEV_HEADER) + if(HAVE_LIBUDEV_HEADER) + set(HAVE_LIBUDEV_H TRUE) + FindLibraryAndSONAME(udev) + if(UDEV_LIB_SONAME) + set(SDL_UDEV_DYNAMIC "\"${UDEV_LIB_SONAME}\"") + set(HAVE_LIBUDEV TRUE) + endif() + endif() + endif() +endmacro() + +macro(CheckLibUnwind) + if(TARGET SDL3_test) + set(found_libunwind FALSE) + set(_libunwind_src [==[ + #include + int main(int argc, char *argv[]) { + (void)argc; (void)argv; + unw_context_t context; + unw_cursor_t cursor; + unw_word_t pc; + char sym[256]; + unw_word_t offset; + unw_getcontext(&context); + unw_step(&cursor); + unw_get_reg(&cursor, UNW_REG_IP, &pc); + unw_get_proc_name(&cursor, sym, sizeof(sym), &offset); + return 0; + }]==]) + + if(NOT found_libunwind) + cmake_push_check_state() + check_c_source_compiles("${_libunwind_src}" LIBC_HAS_WORKING_LIBUNWIND) + cmake_pop_check_state() + if(LIBC_HAS_WORKING_LIBUNWIND) + set(found_libunwind TRUE) + target_compile_definitions(SDL3_test PRIVATE HAVE_LIBUNWIND_H) + endif() + endif() + + if(NOT found_libunwind) + cmake_push_check_state() + list(APPEND CMAKE_REQUIRED_LIBRARIES "unwind") + check_c_source_compiles("${_libunwind_src}" LIBUNWIND_HAS_WORKINGLIBUNWIND) + cmake_pop_check_state() + if(LIBUNWIND_HAS_WORKINGLIBUNWIND) + set(found_libunwind TRUE) + sdl_test_link_dependency(UNWIND LIBS unwind) + endif() + endif() + + if(NOT found_libunwind) + set(LibUnwind_PKG_CONFIG_SPEC libunwind libunwind-generic) + set(PC_LIBUNWIND_FOUND FALSE) + if(PKG_CONFIG_FOUND) + pkg_check_modules(PC_LIBUNWIND IMPORTED_TARGET ${LibUnwind_PKG_CONFIG_SPEC}) + endif() + if(PC_LIBUNWIND_FOUND) + cmake_push_check_state() + list(APPEND CMAKE_REQUIRED_LIBRARIES ${PC_LIBUNWIND_LIBRARIES}) + list(APPEND CMAKE_REQUIRED_INCLUDES ${PC_LIBUNWIND_INCLUDE_DIRS}) + check_c_source_compiles("${_libunwind_src}" PC_LIBUNWIND_HAS_WORKING_LIBUNWIND) + cmake_pop_check_state() + if(PC_LIBUNWIND_HAS_WORKING_LIBUNWIND) + set(found_libunwind TRUE) + sdl_test_link_dependency(UNWIND LIBS PkgConfig::PC_LIBUNWIND PKG_CONFIG_PREFIX PC_LIBUNWIND PKG_CONFIG_SPECS ${LibUnwind_PKG_CONFIG_SPEC}) + endif() + endif() + endif() + + if(found_libunwind) + target_compile_definitions(SDL3_test PRIVATE HAVE_LIBUNWIND_H) + endif() + endif() +endmacro() -- cgit v1.2.3