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![Riteo](/assets/img/avatar_default.png)
Not everything is yet implemented, either for Godot or personal limitations (I don't have all hardware in the world). A brief list of the most important issues follows: - Single-window only: the `DisplayServer` API doesn't expose enough information for properly creating XDG shell windows. - Very dumb rendering loop: this is very complicated, just know that the low consumption mode is forced to 2000 Hz and some clever hacks are in place to overcome a specific Wayland limitation. This will be improved to the extent possible both downstream and upstream. - Features to implement yet: IME, touch input, native file dialog, drawing tablet (commented out due to a refactor), screen recording. - Mouse passthrough can't be implement through a poly API, we need a rect-based one. - The cursor doesn't yet support fractional scaling. - Auto scale is rounded up when using fractional scaling as we don't have a per-window scale query API (basically we need `DisplayServer::window_get_scale`). - Building with `x11=no wayland=yes opengl=yes openxr=yes` fails. This also adds a new project property and editor setting for selecting the default DisplayServer to start, to allow this backend to start first in exported projects (X11 is still the default for now). The editor setting always overrides the project setting. Special thanks to Drew Devault, toger5, Sebastian Krzyszkowiak, Leandro Benedet Garcia, Subhransu, Yury Zhuravlev and Mara Huldra.
112 lines
4.2 KiB
Python
112 lines
4.2 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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# Thirdparty source files
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thirdparty_obj = []
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# Khronos OpenXR loader
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# Needs even for build against shared library, at least the defines used in public headers.
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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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if env["wayland"]:
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env_openxr.AppendUnique(CPPDEFINES=["XR_USE_PLATFORM_WAYLAND"])
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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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elif env["platform"] == "macos":
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env_openxr.AppendUnique(CPPDEFINES=["XR_OS_APPLE"])
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# There does not seem to be a XR_USE_PLATFORM_XYZ for Apple
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# may need to check and set:
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# - XR_USE_TIMESPEC
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if env["builtin_openxr"]:
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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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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 env["disable_exceptions"]:
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env_thirdparty.AppendUnique(CPPDEFINES=["XRLOADER_DISABLE_EXCEPTION_HANDLING", ("JSON_USE_EXCEPTION", 0)])
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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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thirdparty_jsoncpp_dir = thirdparty_dir + "/src/external/jsoncpp/src/lib_json/"
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env_thirdparty.add_source_files(thirdparty_obj, thirdparty_jsoncpp_dir + "json_reader.cpp")
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env_thirdparty.add_source_files(thirdparty_obj, thirdparty_jsoncpp_dir + "json_value.cpp")
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env_thirdparty.add_source_files(thirdparty_obj, thirdparty_jsoncpp_dir + "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_core.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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# Godot source files
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module_obj = []
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env_openxr.add_source_files(module_obj, "*.cpp")
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env.modules_sources += module_obj
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Export("env_openxr")
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SConscript("action_map/SCsub")
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SConscript("extensions/SCsub")
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SConscript("scene/SCsub")
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if env.editor_build:
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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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