diff --git a/cmake/sdlchecks.cmake b/cmake/sdlchecks.cmake index c175cf57c..b10078192 100644 --- a/cmake/sdlchecks.cmake +++ b/cmake/sdlchecks.cmake @@ -539,6 +539,27 @@ macro(CheckMir) endif() endmacro() +macro(WaylandProtocolGen _SCANNER _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 "${_XML}" "${_WAYLAND_PROT_C_CODE}" + ) + + set(SOURCE_FILES ${SOURCE_FILES} "${CMAKE_CURRENT_BINARY_DIR}/wayland-generated-protocols/${_PROTL}-protocol.c") +endmacro() + # Requires: # - EGL # - PkgCheckModules @@ -547,7 +568,51 @@ endmacro() # - HAVE_DLOPEN opt macro(CheckWayland) if(VIDEO_WAYLAND) - pkg_check_modules(WAYLAND wayland-client wayland-cursor wayland-egl egl xkbcommon) + pkg_check_modules(WAYLAND wayland-client wayland-scanner wayland-protocols wayland-egl wayland-cursor egl xkbcommon) + + # We have to generate some protocol interface code for some various Wayland features. + if(WAYLAND_FOUND) + execute_process( + COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=pkgdatadir wayland-client + WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}" + RESULT_VARIABLE WAYLAND_CORE_PROTOCOL_DIR_RC + OUTPUT_VARIABLE WAYLAND_CORE_PROTOCOL_DIR + ERROR_QUIET + OUTPUT_STRIP_TRAILING_WHITESPACE + ) + if(NOT WAYLAND_CORE_PROTOCOL_DIR_RC EQUAL 0) + set(WAYLAND_FOUND FALSE) + endif() + endif() + + if(WAYLAND_FOUND) + execute_process( + COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=pkgdatadir wayland-protocols + WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}" + RESULT_VARIABLE WAYLAND_PROTOCOLS_DIR_RC + OUTPUT_VARIABLE WAYLAND_PROTOCOLS_DIR + ERROR_QUIET + OUTPUT_STRIP_TRAILING_WHITESPACE + ) + if(NOT WAYLAND_PROTOCOLS_DIR_RC EQUAL 0) + set(WAYLAND_FOUND FALSE) + endif() + endif() + + if(WAYLAND_FOUND) + execute_process( + COMMAND ${PKG_CONFIG_EXECUTABLE} --variable=wayland_scanner wayland-scanner + WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}" + RESULT_VARIABLE WAYLAND_SCANNER_RC + OUTPUT_VARIABLE WAYLAND_SCANNER + ERROR_QUIET + OUTPUT_STRIP_TRAILING_WHITESPACE + ) + if(NOT WAYLAND_SCANNER_RC EQUAL 0) + set(WAYLAND_FOUND FALSE) + endif() + endif() + if(WAYLAND_FOUND) link_directories( ${WAYLAND_LIBRARY_DIRS} @@ -561,6 +626,17 @@ macro(CheckWayland) file(GLOB WAYLAND_SOURCES ${SDL2_SOURCE_DIR}/src/video/wayland/*.c) set(SOURCE_FILES ${SOURCE_FILES} ${WAYLAND_SOURCES}) + # We have to generate some protocol interface code for some unstable Wayland features. + file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/wayland-generated-protocols") + include_directories("${CMAKE_CURRENT_BINARY_DIR}/wayland-generated-protocols") + + WaylandProtocolGen("${WAYLAND_SCANNER}" "${WAYLAND_CORE_PROTOCOL_DIR}/wayland.xml" "wayland") + + foreach(_PROTL relative-pointer-unstable-v1 pointer-constraints-unstable-v1) + string(REGEX REPLACE "\\-unstable\\-.*$" "" PROTSUBDIR ${_PROTL}) + WaylandProtocolGen("${WAYLAND_SCANNER}" "${WAYLAND_PROTOCOLS_DIR}/unstable/${PROTSUBDIR}/${_PROTL}.xml" "${_PROTL}") + endforeach() + if(VIDEO_WAYLAND_QT_TOUCH) set(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH 1) endif()