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cmake_minimum_required(VERSION 3.1.0)
cmake_policy(SET CMP0063 NEW)
project(lovr)
# Options
option(LOVR_ENABLE_AUDIO "Enable the audio module" ON)
option(LOVR_ENABLE_DATA "Enable the data module" ON)
option(LOVR_ENABLE_EVENT "Enable the event module" ON)
option(LOVR_ENABLE_FILESYSTEM "Enable the filesystem module" ON)
option(LOVR_ENABLE_GRAPHICS "Enable the graphics module" ON)
option(LOVR_ENABLE_HEADSET "Enable the headset module" ON)
option(LOVR_ENABLE_MATH "Enable the math module" ON)
option(LOVR_ENABLE_PHYSICS "Enable the physics module" ON)
option(LOVR_ENABLE_SYSTEM "Enable the system module" ON)
option(LOVR_ENABLE_THREAD "Enable the thread module" ON)
option(LOVR_ENABLE_TIMER "Enable the timer module" ON)
option(LOVR_USE_LUAJIT "Use LuaJIT instead of Lua" ON)
option(LOVR_USE_OPENXR "Enable the OpenXR backend for the headset module" ON)
option(LOVR_USE_WEBXR "Enable the WebXR backend for the headset module" OFF)
option(LOVR_USE_DESKTOP "Enable the keyboard/mouse backend for the headset module" ON)
option(LOVR_USE_STEAM_AUDIO "Enable the Steam Audio spatializer (be sure to also set LOVR_STEAM_AUDIO_PATH)" OFF)
option(LOVR_USE_OCULUS_AUDIO "Enable the Oculus Audio spatializer (be sure to also set LOVR_OCULUS_AUDIO_PATH)" OFF)
option(LOVR_USE_LINUX_EGL "Use the EGL graphics extension on Linux" OFF)
option(LOVR_SANITIZE "Enable Address Sanitizer" OFF)
option(LOVR_SYSTEM_GLFW "Use the system-provided glfw" OFF)
option(LOVR_SYSTEM_LUA "Use the system-provided Lua" OFF)
option(LOVR_SYSTEM_ODE "Use the system-provided ODE" OFF)
option(LOVR_SYSTEM_OPENXR "Use the system-provided OpenXR" OFF)
option(LOVR_BUILD_EXE "Build an executable (or an apk on Android)" ON)
option(LOVR_BUILD_SHARED "Build a shared library (takes precedence over LOVR_BUILD_EXE)" OFF)
option(LOVR_BUILD_BUNDLE "On macOS, build a .app bundle instead of a raw program" OFF)
set(LOVR_SYMBOL_VISIBILITY "hidden" CACHE STRING "What should the C symbol visibility be? hidden reduces binary size, default lets other binaries use this one.")
# Setup
if(EMSCRIPTEN)
string(CONCAT LOVR_EMSCRIPTEN_FLAGS
"-Os "
"-s USE_WEBGL2=1 "
"-s FORCE_FILESYSTEM=1 "
"-s \"EXPORTED_FUNCTIONS=['_main','_lovrDestroy','_webxr_attach','_webxr_detach','_lovrCanvasCreateFromHandle','_lovrCanvasDestroy','_lovrGraphicsSetBackbuffer','_lovrGraphicsSetViewMatrix','_lovrGraphicsSetProjection']\" "
"-s \"EXTRA_EXPORTED_RUNTIME_METHODS=['getValue','setValue']\" "
"--js-library \"${CMAKE_CURRENT_SOURCE_DIR}/etc/webxr.js\" "
"--shell-file \"${CMAKE_CURRENT_SOURCE_DIR}/etc/lovr.html\""
)
if(LOVR_ENABLE_THREAD)
set(LOVR_EMSCRIPTEN_FLAGS "${LOVR_EMSCRIPTEN_FLAGS} -s USE_PTHREADS=1")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${LOVR_EMSCRIPTEN_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LOVR_EMSCRIPTEN_FLAGS}")
set(CMAKE_EXECUTABLE_SUFFIX ".html")
set(LOVR_USE_WEBXR ON)
elseif(ANDROID)
set(ANDROID_FLAVOR "oculus" CACHE STRING "Which Android flavor to build (oculus or pico)")
find_package(Java REQUIRED)
set(LOVR_USE_DESKTOP OFF)
if(LOVR_BUILD_EXE)
set(LOVR_BUILD_SHARED ON)
endif()
elseif(UNIX)
find_package(PkgConfig)
if(NOT APPLE)
set(CMAKE_SKIP_RPATH OFF)
endif()
endif()
if(NOT ANDROID AND LOVR_BUILD_SHARED)
set(LOVR_BUILD_EXE OFF)
endif()
# GLFW
if(NOT (EMSCRIPTEN OR ANDROID))
if(LOVR_SYSTEM_GLFW)
pkg_search_module(GLFW REQUIRED glfw3)
include_directories(${GLFW_INCLUDE_DIRS})
set(LOVR_GLFW ${GLFW_LIBRARIES})
else()
set(GLFW_BUILD_EXAMPLES OFF CACHE BOOL "")
set(GLFW_BUILD_TESTS OFF CACHE BOOL "")
set(GLFW_BUILD_DOCS OFF CACHE BOOL "")
set(GLFW_INSTALL OFF CACHE BOOL "")
set(BUILD_SHARED_LIBS ON CACHE BOOL "")
add_subdirectory(deps/glfw glfw)
include_directories(deps/glfw/include)
set(LOVR_GLFW glfw ${GLFW_LIBRARIES})
endif()
unset(LIB_SUFFIX CACHE)
endif()
# Lua
if(LOVR_USE_LUAJIT AND NOT EMSCRIPTEN)
# Required to make luajit compile without breaking linker cache on macOS Big Sur. Also, is a better,
# newer GC so enable it on all builds.
set(LUAJIT_ENABLE_GC64 ON)
if(LOVR_SYSTEM_LUA)
pkg_search_module(LUAJIT REQUIRED luajit)
include_directories(${LUAJIT_INCLUDE_DIRS})
set(LOVR_LUA ${LUAJIT_LIBRARIES})
else()
add_subdirectory(deps/luajit luajit)
set_target_properties(luajit PROPERTIES EXCLUDE_FROM_ALL 1)
include_directories(deps/luajit/src ${CMAKE_BINARY_DIR}/luajit)
set(LOVR_LUA libluajit)
endif()
else()
if(LOVR_SYSTEM_LUA)
pkg_search_module(LUA REQUIRED lua)
include_directories(${LUA_INCLUDE_DIRS})
set(LOVR_LUA ${LUA_LIBRARIES})
else()
set(LUA_SRC
lapi.c lauxlib.c lbaselib.c lcode.c ldblib.c ldebug.c ldo.c ldump.c lfunc.c lgc.c linit.c
liolib.c llex.c lmathlib.c lmem.c loadlib.c lobject.c lopcodes.c loslib.c lparser.c lstate.c
lstring.c lstrlib.c ltable.c ltablib.c ltm.c lundump.c lvm.c lzio.c
)
list(TRANSFORM LUA_SRC PREPEND deps/lua/)
add_library(lua SHARED ${LUA_SRC})
target_link_libraries(lua m)
target_link_libraries(lua dl)
target_compile_definitions(lua PRIVATE -DLUA_USE_DLOPEN)
include_directories(deps/lua)
set(LOVR_LUA lua)
endif()
endif()
# MSDF
if(LOVR_ENABLE_DATA)
set(BUILD_SHARED_LIBS ON)
add_subdirectory(deps/msdfgen msdfgen)
include_directories(deps/msdfgen)
set(LOVR_MSDF msdfgen)
if(APPLE)
set_target_properties(msdfgen PROPERTIES MACOSX_RPATH ON)
endif()
endif()
# ODE
if(LOVR_ENABLE_PHYSICS)
if(LOVR_SYSTEM_ODE)
pkg_search_module(ODE REQUIRED ode)
pkg_search_module(CCD REQUIRED ccd)
include_directories(${ODE_INCLUDE_DIRS} ${CCD_INCLUDE_DIRS})
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lstdc++")
set(LOVR_ODE ode ccd)
else()
if(EMSCRIPTEN)
set(ODE_BUILD_SHARED OFF CACHE BOOL "")
else()
set(ODE_BUILD_SHARED ON CACHE BOOL "")
endif()
add_subdirectory(deps/ode ode)
if(MSVC)
set_target_properties(ode PROPERTIES COMPILE_FLAGS "/wd4244 /wd4267")
target_compile_definitions(ode PRIVATE _CRT_SECURE_NO_WARNINGS)
else()
set_target_properties(ode PROPERTIES COMPILE_FLAGS "-Wno-unused-volatile-lvalue -Wno-array-bounds -Wno-undefined-var-template")
endif()
include_directories(deps/ode/include "${CMAKE_CURRENT_BINARY_DIR}/ode/include")
set(LOVR_ODE ode)
endif()
endif()
# OpenGL
if(NOT (WIN32 OR EMSCRIPTEN OR ANDROID))
if(UNIX AND NOT APPLE)
set(OpenGL_GL_PREFERENCE "GLVND")
endif()
find_package(OpenGL REQUIRED)
include_directories(${OPENGL_INCLUDE_DIRS})
set(LOVR_OPENGL ${OPENGL_LIBRARIES})
endif()
# OpenXR
if(LOVR_ENABLE_HEADSET AND LOVR_USE_OPENXR)
include_directories(deps/openxr/include)
if(ANDROID)
add_library(openxr_loader SHARED IMPORTED)
set(LOVR_OPENXR openxr_loader)
if(ANDROID_FLAVOR STREQUAL "oculus")
set(LOVR_OPENXR_OCULUS_PATH "${CMAKE_CURRENT_SOURCE_DIR}/deps/oculus-openxr" CACHE STRING "The path to the Oculus OpenXR loader")
set_target_properties(openxr_loader PROPERTIES IMPORTED_LOCATION "${LOVR_OPENXR_OCULUS_PATH}/Libs/Android/${ANDROID_ABI}/Release/libopenxr_loader.so")
elseif(ANDROID_FLAVOR STREQUAL "pico")
set(LOVR_OPENXR_PICO_PATH "${CMAKE_CURRENT_SOURCE_DIR}/deps/pico-openxr" CACHE STRING "The path to the Pico OpenXR loader")
set_target_properties(openxr_loader PROPERTIES IMPORTED_LOCATION "${LOVR_OPENXR_PICO_PATH}/Libs/Android/${ANDROID_ABI}/libopenxr_loader.so")
else()
message(FATAL_ERROR "Unsupported Android flavor (expected: oculus or pico)")
endif()
else()
if(LOVR_SYSTEM_OPENXR)
pkg_search_module(OPENXR openxr)
if(NOT OPENXR_FOUND)
message(FATAL_ERROR "OpenXR not found.")
endif()
include_directories(${OPENXR_INCLUDE_DIRS})
set(LOVR_OPENXR ${OPENXR_LIBRARIES})
else()
add_subdirectory(deps/openxr openxr)
set(LOVR_OPENXR openxr_loader)
endif()
endif()
endif()
# pthreads
if(LOVR_ENABLE_THREAD AND NOT (WIN32 OR EMSCRIPTEN))
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
set(LOVR_PTHREADS Threads::Threads)
endif()
# Steam Audio (aka Phonon)
if(LOVR_USE_STEAM_AUDIO)
if(NOT LOVR_STEAM_AUDIO_PATH)
message(FATAL_ERROR "LOVR_USE_STEAM_AUDIO requires the LOVR_STEAM_AUDIO_PATH to be set to the location of the Steam Audio folder")
endif()
if(CMAKE_SIZEOF_VOID_P EQUAL 4) # Note: SteamAudio distributes 32 bit libs but wiring them up is very verbose
message(FATAL_ERROR "LOVR_USE_STEAM_AUDIO is not currently available on 32 bit builds")
endif()
include_directories("${LOVR_STEAM_AUDIO_PATH}/include")
add_library(Phonon SHARED IMPORTED)
if(ANDROID)
set_target_properties(Phonon PROPERTIES IMPORTED_LOCATION "${LOVR_STEAM_AUDIO_PATH}/lib/Android/arm64/libphonon.so")
elseif(WIN32)
set_target_properties(Phonon PROPERTIES IMPORTED_IMPLIB "${LOVR_STEAM_AUDIO_PATH}/lib/Windows/x64/phonon.lib")
set_target_properties(Phonon PROPERTIES IMPORTED_LOCATION "${LOVR_STEAM_AUDIO_PATH}/bin/Windows/x64/phonon.dll")
elseif(APPLE)
set_target_properties(Phonon PROPERTIES IMPORTED_LOCATION "${LOVR_STEAM_AUDIO_PATH}/lib/OSX/libphonon.dylib"
IMPORTED_SONAME "@rpath/libphonon.dylib") # It doesn't make sense this line is required, but it is
else() # Assume Linux. Note: This has *not* been tested. FIXME: When is the .so copied?
set_target_properties(Phonon PROPERTIES IMPORTED_LOCATION "${LOVR_STEAM_AUDIO_PATH}/lib/Linux/x64/libphonon.so")
endif()
set(LOVR_PHONON Phonon)
endif()
# Oculus Audio
if(LOVR_USE_OCULUS_AUDIO)
if(NOT LOVR_OCULUS_AUDIO_PATH)
message(FATAL_ERROR "LOVR_USE_OCULUS_AUDIO requires the LOVR_OCULUS_AUDIO_PATH to be set to the location of the Oculus Spatializer Native (AudioSDK) folder")
endif()
include_directories("${LOVR_OCULUS_AUDIO_PATH}/Include")
add_library(OculusAudio SHARED IMPORTED)
if(ANDROID)
set_target_properties(OculusAudio PROPERTIES IMPORTED_LOCATION "${LOVR_OCULUS_AUDIO_PATH}/Lib/Android/arm64-v8a/libovraudio64.so")
elseif(WIN32) # Note: This has *not* been tested.
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set_target_properties(OculusAudio PROPERTIES IMPORTED_IMPLIB "${LOVR_OCULUS_AUDIO_PATH}/Lib/x64/ovraudio64.lib")
set_target_properties(OculusAudio PROPERTIES IMPORTED_LOCATION "${LOVR_OCULUS_AUDIO_PATH}/Lib/x64/ovraudio64.dll")
else () # ARM and ARM64 are also valid values for CMAKE_GENERATOR_PLATFORM but we will ignore this
set_target_properties(OculusAudio PROPERTIES IMPORTED_IMPLIB "${LOVR_OCULUS_AUDIO_PATH}/Lib/Win32/ovraudio32.lib")
set_target_properties(OculusAudio PROPERTIES IMPORTED_LOCATION "${LOVR_OCULUS_AUDIO_PATH}/Lib/Win32/ovraudio32.dll")
endif()
elseif(APPLE)
# Oculus Audio ships with an intel .framework, but (as of 25.0.0) it is broken. We can convert it to a working dylib with install_name_tool in a custom target:
SET(OCULUS_AUDIO_MAC_LIB_DIR "${CMAKE_CURRENT_BINARY_DIR}/ovraudio")
SET(OCULUS_AUDIO_MAC_LIB_FILE "${OCULUS_AUDIO_MAC_LIB_DIR}/ovraudio64.dylib")
SET(OCULUS_AUDIO_MAC_RPATH "@rpath/ovraudio64.dylib")
file(MAKE_DIRECTORY "${OCULUS_AUDIO_MAC_LIB_DIR}")
add_custom_command(OUTPUT "${OCULUS_AUDIO_MAC_LIB_FILE}"
COMMAND ${CMAKE_COMMAND} -E copy "${LOVR_OCULUS_AUDIO_PATH}/Lib/mac64/OVRAudio64.framework/Versions/A/ovraudio64" "${OCULUS_AUDIO_MAC_LIB_FILE}"
COMMAND install_name_tool -id ${OCULUS_AUDIO_MAC_RPATH} "${OCULUS_AUDIO_MAC_LIB_FILE}"
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}")
add_custom_target(OculusAudioFixed DEPENDS "${OCULUS_AUDIO_MAC_LIB_FILE}")
add_dependencies(OculusAudio OculusAudioFixed)
# IMPORTED_SONAME required because the automatic rpath requires the dylib file to exist before builds start
set_target_properties(OculusAudio PROPERTIES IMPORTED_LOCATION "${OCULUS_AUDIO_MAC_LIB_FILE}"
IMPORTED_SONAME "${OCULUS_AUDIO_MAC_RPATH}")
else() # Assume Linux. Note: This has *not* been tested. FIXME: When is the .so copied?
set_target_properties(OculusAudio PROPERTIES IMPORTED_LOCATION "${LOVR_OCULUS_AUDIO_PATH}/Lib/Linux64/libovraudio64.so")
endif()
set(LOVR_OCULUS_AUDIO OculusAudio)
endif()
# LÖVR
# Plugins
set(LOVR 1)
link_libraries(${LOVR_LUA})
file(GLOB LOVR_PLUGINS ${CMAKE_SOURCE_DIR}/plugins/*)
foreach(PLUGIN_PATH ${LOVR_PLUGINS})
if(IS_DIRECTORY ${PLUGIN_PATH} AND EXISTS ${PLUGIN_PATH}/CMakeLists.txt)
get_filename_component(PLUGIN "${PLUGIN_PATH}" NAME)
add_subdirectory(${PLUGIN_PATH} "${CMAKE_CURRENT_BINARY_DIR}/plugins/${PLUGIN}")
get_directory_property(PLUGIN_TARGETS DIRECTORY ${PLUGIN_PATH} DEFINITION LOVR_PLUGIN_TARGETS)
if(NOT PLUGIN_TARGETS)
get_directory_property(PLUGIN_TARGETS DIRECTORY ${PLUGIN_PATH} BUILDSYSTEM_TARGETS)
endif()
set_target_properties(${PLUGIN_TARGETS} PROPERTIES LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/plugins/${PLUGIN}")
list(APPEND ALL_PLUGIN_TARGETS ${PLUGIN_TARGETS})
endif()
endforeach()
set(LOVR_SRC
src/core/fs.c
src/core/zip.c
src/api/api.c
src/api/l_lovr.c
src/util.c
)
if(LOVR_BUILD_EXE)
list(APPEND LOVR_SRC src/main.c)
endif()
if(LOVR_BUILD_SHARED)
add_library(lovr SHARED ${LOVR_SRC})
target_compile_definitions(lovr PRIVATE LOVR_BUILDING_SHARED)
elseif(LOVR_BUILD_EXE)
add_executable(lovr ${LOVR_SRC})
else()
return()
endif()
if(NOT LOVR_BUILD_EXE)
target_compile_definitions(lovr PUBLIC LOVR_OMIT_MAIN) # specifically for win32 WinMain
endif()
set_target_properties(lovr PROPERTIES C_VISIBILITY_PRESET ${LOVR_SYMBOL_VISIBILITY})
set_target_properties(lovr PROPERTIES C_STANDARD 11)
set_target_properties(lovr PROPERTIES C_STANDARD_REQUIRED ON)
target_include_directories(lovr PRIVATE src src/modules src/lib/stdatomic etc)
target_link_libraries(lovr
${LOVR_GLFW}
${LOVR_LUA}
${LOVR_MSDF}
${LOVR_ODE}
${LOVR_OPENGL}
${LOVR_OPENXR}
${LOVR_OCULUS_AUDIO}
${LOVR_PTHREADS}
${LOVR_EMSCRIPTEN_FLAGS}
)
if (LOVR_SANITIZE)
set(LOVR_SANITIZE_FLAGS "-fsanitize=address,undefined" "-O1" "-fno-omit-frame-pointer")
target_compile_options(lovr PRIVATE ${LOVR_SANITIZE_FLAGS})
target_link_options(lovr PRIVATE ${LOVR_SANITIZE_FLAGS})
endif()
if(LOVR_ENABLE_AUDIO OR LOVR_ENABLE_DATA)
target_sources(lovr PRIVATE
src/lib/miniaudio/miniaudio.c
)
endif()
if(LOVR_ENABLE_AUDIO)
target_sources(lovr PRIVATE
src/modules/audio/audio.c
src/modules/audio/spatializer_simple.c
src/api/l_audio.c
src/api/l_audio_source.c
)
if(LOVR_USE_STEAM_AUDIO)
target_compile_definitions(lovr PRIVATE LOVR_ENABLE_PHONON_SPATIALIZER)
target_sources(lovr PRIVATE src/modules/audio/spatializer_phonon.c)
# Dynamically linked at runtime, so this is not otherwise a dependency
add_dependencies(lovr ${LOVR_PHONON})
endif()
if(LOVR_USE_OCULUS_AUDIO)
target_compile_definitions(lovr PRIVATE LOVR_ENABLE_OCULUS_SPATIALIZER)
target_sources(lovr PRIVATE src/modules/audio/spatializer_oculus.c)
endif()
else()
target_compile_definitions(lovr PRIVATE LOVR_DISABLE_AUDIO)
endif()
if(LOVR_ENABLE_DATA)
target_sources(lovr PRIVATE
src/modules/data/blob.c
src/modules/data/image.c
src/modules/data/modelData.c
src/modules/data/modelData_gltf.c
src/modules/data/modelData_obj.c
src/modules/data/modelData_stl.c
src/modules/data/rasterizer.c
src/modules/data/sound.c
src/api/l_data.c
src/api/l_data_blob.c
src/api/l_data_image.c
src/api/l_data_modelData.c
src/api/l_data_rasterizer.c
src/api/l_data_sound.c
src/lib/minimp3/minimp3.c
src/lib/stb/stb_image.c
src/lib/stb/stb_truetype.c
src/lib/stb/stb_vorbis.c
src/lib/jsmn/jsmn.c
)
else()
target_compile_definitions(lovr PRIVATE LOVR_DISABLE_DATA)
endif()
if(LOVR_ENABLE_EVENT)
target_sources(lovr PRIVATE
src/modules/event/event.c
src/api/l_event.c
)
else()
target_compile_definitions(lovr PRIVATE LOVR_DISABLE_EVENT)
endif()
if(LOVR_ENABLE_FILESYSTEM)
target_sources(lovr PRIVATE
src/modules/filesystem/filesystem.c
src/modules/filesystem/file.c
src/api/l_filesystem.c
)
else()
target_compile_definitions(lovr PRIVATE LOVR_DISABLE_FILESYSTEM)
endif()
if(LOVR_ENABLE_GRAPHICS)
target_sources(lovr PRIVATE
src/modules/graphics/font.c
src/modules/graphics/graphics.c
src/modules/graphics/material.c
src/modules/graphics/model.c
src/modules/graphics/opengl.c
src/api/l_graphics.c
src/api/l_graphics_canvas.c
src/api/l_graphics_font.c
src/api/l_graphics_material.c
src/api/l_graphics_mesh.c
src/api/l_graphics_model.c
src/api/l_graphics_shader.c
src/api/l_graphics_shaderBlock.c
src/api/l_graphics_texture.c
src/lib/glad/glad.c
etc/shaders.c
)
else()
target_compile_definitions(lovr PRIVATE LOVR_DISABLE_GRAPHICS)
endif()
if(LOVR_ENABLE_HEADSET)
target_sources(lovr PRIVATE
src/api/l_headset.c
src/modules/headset/headset.c
)
if(LOVR_USE_OPENXR)
target_compile_definitions(lovr PRIVATE LOVR_USE_OPENXR)
target_sources(lovr PRIVATE src/modules/headset/headset_openxr.c)
endif()
if(LOVR_USE_WEBXR)
target_compile_definitions(lovr PRIVATE LOVR_USE_WEBXR)
target_sources(lovr PRIVATE src/modules/headset/headset_webxr.c)
endif()
if(LOVR_USE_DESKTOP)
target_compile_definitions(lovr PRIVATE LOVR_USE_DESKTOP)
target_sources(lovr PRIVATE src/modules/headset/headset_desktop.c)
endif()
else()
target_compile_definitions(lovr PRIVATE LOVR_DISABLE_HEADSET)
endif()
if(LOVR_ENABLE_MATH)
target_sources(lovr PRIVATE
src/modules/math/math.c
src/modules/math/curve.c
src/modules/math/pool.c
src/modules/math/randomGenerator.c
src/api/l_math.c
src/api/l_math_curve.c
src/api/l_math_randomGenerator.c
src/api/l_math_vectors.c
src/lib/noise/simplexnoise1234.c
)
else()
target_compile_definitions(lovr PRIVATE LOVR_DISABLE_MATH)
endif()
if(LOVR_ENABLE_PHYSICS)
target_sources(lovr PRIVATE
src/modules/physics/physics.c
src/api/l_physics.c
src/api/l_physics_collider.c
src/api/l_physics_joints.c
src/api/l_physics_shapes.c
src/api/l_physics_world.c
)
else()
target_compile_definitions(lovr PRIVATE LOVR_DISABLE_PHYSICS)
endif()
if(LOVR_ENABLE_SYSTEM)
target_sources(lovr PRIVATE
src/modules/system/system.c
src/api/l_system.c
)
else()
target_compile_definitions(lovr PRIVATE LOVR_DISABLE_SYSTEM)
endif()
if(LOVR_ENABLE_THREAD)
target_sources(lovr PRIVATE
src/modules/thread/channel.c
src/modules/thread/thread.c
src/api/l_thread.c
src/api/l_thread_channel.c
src/api/l_thread_thread.c
src/lib/tinycthread/tinycthread.c
)
else()
target_compile_definitions(lovr PRIVATE LOVR_DISABLE_THREAD)
endif()
if(LOVR_ENABLE_TIMER)
target_sources(lovr PRIVATE src/modules/timer/timer.c src/api/l_timer.c)
else()
target_compile_definitions(lovr PRIVATE LOVR_DISABLE_TIMER)
endif()
# Resources
file(GLOB LOVR_RESOURCES "etc/*.ttf" "etc/*.lua")
foreach(path ${LOVR_RESOURCES})
# Turn the absolute path into a C variable like etc_boot_lua
file(RELATIVE_PATH identifier ${CMAKE_CURRENT_SOURCE_DIR} ${path})
string(MAKE_C_IDENTIFIER ${identifier} identifier)
# Read the file and turn the bytes into comma-separated hex literals
file(READ ${path} data HEX)
string(REGEX REPLACE "([0-9a-f][0-9a-f])" "0x\\1," data ${data})
# Generate the output filename by adding .h to the input filename
string(CONCAT output ${path} ".h")
# Write some xxd-compatible C code!
file(WRITE ${output} "const unsigned char ${identifier}[] = {${data}};\nconst unsigned int ${identifier}_len = sizeof(${identifier});\n")
endforeach()
# Platforms
if(WIN32)
target_sources(lovr PRIVATE src/core/os_win32.c)
target_sources(lovr PRIVATE etc/lovr.rc)
if (MSVC)
set_target_properties(lovr PROPERTIES COMPILE_FLAGS "/wd4244 /MP")
else()
set_target_properties(lovr PROPERTIES COMPILE_FLAGS "-MP")
endif()
if(NOT LOVR_BUILD_SHARED)
set_target_properties(lovr PROPERTIES LINK_FLAGS_DEBUG "/SUBSYSTEM:console /ENTRY:WinMainCRTStartup")
set_target_properties(lovr PROPERTIES LINK_FLAGS_RELEASE "/SUBSYSTEM:windows /ENTRY:WinMainCRTStartup")
endif()
target_compile_definitions(lovr PRIVATE _CRT_SECURE_NO_WARNINGS)
target_compile_definitions(lovr PRIVATE _CRT_NONSTDC_NO_WARNINGS)
if(MSVC_VERSION VERSION_LESS 1900)
target_compile_definitions(lovr PRIVATE inline=__inline snprintf=_snprintf)
endif()
function(move_dll)
if(TARGET ${ARGV0})
add_custom_command(TARGET lovr POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy
$<TARGET_FILE:${ARGV0}>
$<TARGET_FILE_DIR:lovr>/$<TARGET_FILE_NAME:${ARGV0}>
)
endif()
endfunction()
move_dll(${LOVR_GLFW})
move_dll(${LOVR_LUA})
move_dll(${LOVR_ODE})
move_dll(${LOVR_MSDF})
move_dll(${LOVR_OCULUS_AUDIO})
move_dll(${LOVR_PHONON})
foreach(target ${ALL_PLUGIN_TARGETS})
move_dll(${target})
endforeach()
target_compile_definitions(lovr PRIVATE LOVR_GL)
elseif(APPLE)
find_library(AVFOUNDATION AVFoundation)
target_link_libraries(lovr objc ${AVFOUNDATION})
target_sources(lovr PRIVATE src/core/os_macos.c)
set_source_files_properties(src/core/os_macos.c PROPERTIES COMPILE_FLAGS -xobjective-c)
target_compile_definitions(lovr PRIVATE LOVR_GL)
set_target_properties(lovr PROPERTIES
MACOSX_RPATH TRUE
BUILD_WITH_INSTALL_RPATH TRUE
INSTALL_RPATH "@executable_path"
)
if(LOVR_BUILD_BUNDLE)
set(EXE_DIR ${CMAKE_CURRENT_BINARY_DIR}/lovr.app/Contents/MacOS)
target_sources(lovr PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/etc/lovr.icns")
set_target_properties(lovr PROPERTIES
MACOSX_BUNDLE TRUE
MACOSX_BUNDLE_INFO_PLIST "${CMAKE_CURRENT_SOURCE_DIR}/etc/Info.plist"
RESOURCE "${CMAKE_CURRENT_SOURCE_DIR}/etc/lovr.icns"
)
else()
set(EXE_DIR ${CMAKE_CURRENT_BINARY_DIR}/bin)
set_target_properties(lovr PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
endif()
function(move_lib)
if(TARGET ${ARGV0})
get_target_property(TARGET_TYPE ${ARGV0} TYPE)
if(${TARGET_TYPE} STREQUAL "MODULE_LIBRARY")
add_custom_command(TARGET lovr POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy
$<TARGET_FILE:${ARGV0}>
${EXE_DIR}/$<TARGET_FILE_NAME:${ARGV0}>
)
else()
add_custom_command(TARGET lovr POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy
$<TARGET_SONAME_FILE:${ARGV0}>
${EXE_DIR}/$<TARGET_SONAME_FILE_NAME:${ARGV0}>
)
endif()
endif()
endfunction()
move_lib(${LOVR_GLFW})
move_lib(${LOVR_LUA})
move_lib(${LOVR_ODE})
move_lib(${LOVR_MSDF})
move_lib(${LOVR_OCULUS_AUDIO})
move_lib(${LOVR_PHONON})
foreach(target ${ALL_PLUGIN_TARGETS})
move_lib(${target})
endforeach()
elseif(EMSCRIPTEN)
target_sources(lovr PRIVATE src/core/os_wasm.c)
target_compile_definitions(lovr PRIVATE LOVR_WEBGL)
configure_file(etc/lovr.ico favicon.ico COPYONLY)
elseif(ANDROID)
target_sources(lovr PRIVATE src/core/os_android.c)
target_link_libraries(lovr log EGL GLESv3 android dl)
target_compile_definitions(lovr PRIVATE LOVR_GLES)
target_include_directories(lovr PRIVATE "${ANDROID_NDK}/sources/android/native_app_glue")
# Dynamically linked targets output libraries in raw/lib/<ABI> for easy including in apk with aapt
set_target_properties(
lovr
${LOVR_ODE}
${LOVR_MSDF}
PROPERTIES LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/raw/lib/${ANDROID_ABI}"
)
if(LOVR_BUILD_EXE)
set(ANDROID_JAR "${ANDROID_SDK}/platforms/${ANDROID_PLATFORM}/android.jar")
set(ANDROID_TOOLS "${ANDROID_SDK}/build-tools/${ANDROID_BUILD_TOOLS_VERSION}")
set(ANDROID_MANIFEST "${CMAKE_CURRENT_SOURCE_DIR}/etc/AndroidManifest_${ANDROID_FLAVOR}.xml" CACHE STRING "The AndroidManifest.xml file to use")
# If assets are included in the apk then add '-A assets' to aapt, otherwise don't add any flags
if(ANDROID_ASSETS)
set(ANDROID_ASSETS -A ${ANDROID_ASSETS})
endif()
if(ANDROID_PACKAGE)
set(PACKAGE_RENAME "--rename-manifest-package" "${ANDROID_PACKAGE}")
endif()
if(LOVR_USE_OPENXR)
get_target_property(OPENXR_LIB ${LOVR_OPENXR} IMPORTED_LOCATION)
file(COPY ${OPENXR_LIB} DESTINATION raw/lib/${ANDROID_ABI})
endif()
if(LOVR_USE_OCULUS_AUDIO)
get_target_property(OCULUS_AUDIO_LIB ${LOVR_OCULUS_AUDIO} IMPORTED_LOCATION)
file(COPY ${OCULUS_AUDIO_LIB} DESTINATION raw/lib/${ANDROID_ABI})
endif()
if(LOVR_USE_STEAM_AUDIO)
get_target_property(PHONON_LIB ${LOVR_PHONON} IMPORTED_LOCATION)
file(COPY ${PHONON_LIB} DESTINATION raw/lib/${ANDROID_ABI})
endif()
# Make an apk
add_custom_target(
buildAPK ALL
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMAND ${CMAKE_COMMAND} -E copy "${ANDROID_MANIFEST}" AndroidManifest.xml
COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/etc/Activity.java Activity.java
COMMAND ${Java_JAVAC_EXECUTABLE} -classpath "${ANDROID_JAR}" -d . Activity.java
COMMAND ${ANDROID_TOOLS}/d8 --min-api ${ANDROID_NATIVE_API_LEVEL} --output raw org/lovr/app/Activity.class
COMMAND
${ANDROID_TOOLS}/aapt
package -f
${PACKAGE_RENAME}
-0 so
-M AndroidManifest.xml
-I ${ANDROID_JAR}
-F lovr.unaligned.apk
${ANDROID_ASSETS}
raw
COMMAND ${ANDROID_TOOLS}/zipalign -f -p 4 lovr.unaligned.apk lovr.unsigned.apk
COMMAND ${ANDROID_TOOLS}/apksigner
sign
--ks ${ANDROID_KEYSTORE}
$<$<BOOL:${ANDROID_KEYSTORE_PASS}>:--ks-pass> $<$<BOOL:${ANDROID_KEYSTORE_PASS}>:${ANDROID_KEYSTORE_PASS}>
$<$<BOOL:${ANDROID_KEY_PASS}>:--key-pass> $<$<BOOL:${ANDROID_KEY_PASS}>:${ANDROID_KEY_PASS}>
--in lovr.unsigned.apk
--out lovr.apk
COMMAND ${CMAKE_COMMAND} -E remove lovr.unaligned.apk lovr.unsigned.apk AndroidManifest.xml Activity.java
COMMAND ${CMAKE_COMMAND} -E remove_directory org
)
add_dependencies(buildAPK lovr)
if(CMAKE_BUILD_TYPE STREQUAL Release)
add_custom_target(
strip ALL
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMAND ${CMAKE_STRIP} raw/lib/${ANDROID_ABI}/*.so
)
add_dependencies(strip lovr)
add_dependencies(buildAPK strip)
endif()
# Copy plugin libraries to lib folder before packaging APK
foreach(target ${ALL_PLUGIN_TARGETS})
add_custom_command(TARGET lovr POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy
$<TARGET_FILE:${target}>
raw/lib/${ANDROID_ABI}/$<TARGET_FILE_NAME:${target}>
)
endforeach()
endif()
elseif(UNIX)
if(LOVR_USE_LINUX_EGL)
target_compile_definitions(lovr PRIVATE LOVR_LINUX_EGL)
else()
target_compile_definitions(lovr PRIVATE LOVR_LINUX_X11)
endif()
target_sources(lovr PRIVATE src/core/os_linux.c)
target_compile_definitions(lovr PRIVATE LOVR_GL)
set_target_properties(lovr PROPERTIES
RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin"
BUILD_WITH_INSTALL_RPATH TRUE
INSTALL_RPATH "\$ORIGIN"
)
function(move_lib)
if(TARGET ${ARGV0})
get_target_property(TARGET_TYPE ${ARGV0} TYPE)
if(${TARGET_TYPE} STREQUAL "MODULE_LIBRARY")
add_custom_command(TARGET lovr POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy
$<TARGET_FILE:${ARGV0}>
${CMAKE_BINARY_DIR}/bin/$<TARGET_FILE_NAME:${ARGV0}>
)
else()
add_custom_command(TARGET lovr POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy
$<TARGET_SONAME_FILE:${ARGV0}>
${CMAKE_BINARY_DIR}/bin/$<TARGET_SONAME_FILE_NAME:${ARGV0}>
)
endif()
endif()
endfunction()
function(move_app_image_file)
set(SRC "${CMAKE_CURRENT_SOURCE_DIR}/etc/${ARGV0}")
set(DST "${CMAKE_BINARY_DIR}/bin/${ARGV0}")
add_custom_command(TARGET lovr POST_BUILD
DEPENDS ${SRC}
COMMAND ${CMAKE_COMMAND} -E copy ${SRC} ${DST}
)
endfunction()
move_lib(${LOVR_GLFW})
move_lib(${LOVR_LUA})
move_lib(${LOVR_ODE})
move_lib(${LOVR_MSDF})
move_lib(${LOVR_OPENXR})
move_lib(${LOVR_OCULUS_AUDIO})
foreach(target ${ALL_PLUGIN_TARGETS})
move_lib(${target})
endforeach()
if(LOVR_BUILD_BUNDLE)
move_app_image_file("lovr.desktop")
move_app_image_file("AppRun")
move_app_image_file("logo.svg")
endif()
endif()