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d5445c25a6
This change implements dynamic loading of the OpenXR Loader library on Android. If an OpenXR Loader library is not found, Godot will still function with OpenXR disabled. Also, on every platform, the OpenXR symbols are resolved at runtime using xrGetInstanceProcAddr. On Windows and Linux the OpenXR loader is included in the main engine binary. On Android, the OpenXR Loader is not built with the engine. Separately distributed Android plugins will be provided with the correct loader library for each device. Co-authored-by: Gábor Pál Korom <gabor.p.korom@migeran.com> Co-authored-by: Gábor Koncz <gabor.koncz@migeran.com>
102 lines
4.1 KiB
Python
102 lines
4.1 KiB
Python
#!/usr/bin/env python
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Import("env")
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Import("env_modules")
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env_openxr = env_modules.Clone()
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#################################################
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# Add in our Khronos OpenXR loader
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thirdparty_obj = []
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thirdparty_dir = "#thirdparty/openxr"
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env_openxr.Prepend(
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CPPPATH=[
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thirdparty_dir,
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thirdparty_dir + "/include",
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thirdparty_dir + "/src",
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thirdparty_dir + "/src/common",
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thirdparty_dir + "/src/external/jsoncpp/include",
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]
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)
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if env["platform"] == "android":
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# may need to set OPENXR_ANDROID_VERSION_SUFFIX
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env_openxr.AppendUnique(CPPDEFINES=["XR_OS_ANDROID", "XR_USE_PLATFORM_ANDROID"])
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env_openxr.AppendUnique(CPPDEFINES=["JSON_USE_EXCEPTION=0"])
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# may need to include java parts of the openxr loader
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elif env["platform"] == "linuxbsd":
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env_openxr.AppendUnique(CPPDEFINES=["XR_OS_LINUX"])
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if env["x11"]:
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env_openxr.AppendUnique(CPPDEFINES=["XR_USE_PLATFORM_XLIB"])
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# FIXME: Review what needs to be set for Android and macOS.
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env_openxr.AppendUnique(CPPDEFINES=["HAVE_SECURE_GETENV"])
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elif env["platform"] == "windows":
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env_openxr.AppendUnique(CPPDEFINES=["XR_OS_WINDOWS", "NOMINMAX", "XR_USE_PLATFORM_WIN32"])
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# may need to check and set:
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# - XR_USE_TIMESPEC
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env_thirdparty = env_openxr.Clone()
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env_thirdparty.disable_warnings()
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env_thirdparty.AppendUnique(CPPDEFINES=["DISABLE_STD_FILESYSTEM"])
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if "-fno-exceptions" in env_thirdparty["CXXFLAGS"]:
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env_thirdparty["CXXFLAGS"].remove("-fno-exceptions")
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env_thirdparty.Append(CPPPATH=[thirdparty_dir + "/src/loader"])
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# add in external jsoncpp dependency
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env_thirdparty.add_source_files(thirdparty_obj, thirdparty_dir + "/src/external/jsoncpp/src/lib_json/json_reader.cpp")
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env_thirdparty.add_source_files(thirdparty_obj, thirdparty_dir + "/src/external/jsoncpp/src/lib_json/json_value.cpp")
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env_thirdparty.add_source_files(thirdparty_obj, thirdparty_dir + "/src/external/jsoncpp/src/lib_json/json_writer.cpp")
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# add in load
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if env["platform"] != "android":
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# On Android the openxr_loader is provided by separate plugins for each device
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# Build the engine using object files
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khrloader_obj = []
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env_thirdparty.add_source_files(khrloader_obj, thirdparty_dir + "/src/xr_generated_dispatch_table.c")
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env_thirdparty.add_source_files(khrloader_obj, thirdparty_dir + "/src/common/filesystem_utils.cpp")
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env_thirdparty.add_source_files(khrloader_obj, thirdparty_dir + "/src/common/object_info.cpp")
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env_thirdparty.add_source_files(khrloader_obj, thirdparty_dir + "/src/loader/api_layer_interface.cpp")
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env_thirdparty.add_source_files(khrloader_obj, thirdparty_dir + "/src/loader/loader_core.cpp")
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env_thirdparty.add_source_files(khrloader_obj, thirdparty_dir + "/src/loader/loader_instance.cpp")
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env_thirdparty.add_source_files(khrloader_obj, thirdparty_dir + "/src/loader/loader_logger_recorders.cpp")
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env_thirdparty.add_source_files(khrloader_obj, thirdparty_dir + "/src/loader/loader_logger.cpp")
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env_thirdparty.add_source_files(khrloader_obj, thirdparty_dir + "/src/loader/manifest_file.cpp")
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env_thirdparty.add_source_files(khrloader_obj, thirdparty_dir + "/src/loader/runtime_interface.cpp")
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env_thirdparty.add_source_files(khrloader_obj, thirdparty_dir + "/src/loader/xr_generated_loader.cpp")
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env.modules_sources += khrloader_obj
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env.modules_sources += thirdparty_obj
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#################################################
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# And include our module source
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module_obj = []
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env_openxr.add_source_files(module_obj, "*.cpp")
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env_openxr.add_source_files(module_obj, "action_map/*.cpp")
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# We're a little more targeted with our extensions
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if env["platform"] == "android":
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env_openxr.add_source_files(module_obj, "extensions/openxr_android_extension.cpp")
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if env["vulkan"]:
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env_openxr.add_source_files(module_obj, "extensions/openxr_vulkan_extension.cpp")
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env_openxr.add_source_files(module_obj, "extensions/openxr_htc_vive_tracker_extension.cpp")
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env.modules_sources += module_obj
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if env["tools"]:
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SConscript("editor/SCsub")
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# Needed to force rebuilding the module files when the thirdparty library is updated.
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env.Depends(module_obj, thirdparty_obj)
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