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Add support for the OpenXR Eye gaze interaction extension
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| /**************************************************************************/ | ||
| /* openxr_eye_gaze_interaction.cpp */ | ||
| /**************************************************************************/ | ||
| /* This file is part of: */ | ||
| /* GODOT ENGINE */ | ||
| /* https://godotengine.org */ | ||
| /**************************************************************************/ | ||
| /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ | ||
| /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ | ||
| /* */ | ||
| /* Permission is hereby granted, free of charge, to any person obtaining */ | ||
| /* a copy of this software and associated documentation files (the */ | ||
| /* "Software"), to deal in the Software without restriction, including */ | ||
| /* without limitation the rights to use, copy, modify, merge, publish, */ | ||
| /* distribute, sublicense, and/or sell copies of the Software, and to */ | ||
| /* permit persons to whom the Software is furnished to do so, subject to */ | ||
| /* the following conditions: */ | ||
| /* */ | ||
| /* The above copyright notice and this permission notice shall be */ | ||
| /* included in all copies or substantial portions of the Software. */ | ||
| /* */ | ||
| /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ | ||
| /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ | ||
| /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ | ||
| /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ | ||
| /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ | ||
| /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ | ||
| /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ | ||
| /**************************************************************************/ | ||
|
|
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| #include "openxr_eye_gaze_interaction.h" | ||
| #include "../action_map/openxr_interaction_profile_meta_data.h" | ||
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| OpenXREyeGazeInteractionExtension *OpenXREyeGazeInteractionExtension::singleton = nullptr; | ||
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| OpenXREyeGazeInteractionExtension *OpenXREyeGazeInteractionExtension::get_singleton() { | ||
| ERR_FAIL_NULL_V(singleton, nullptr); | ||
| return singleton; | ||
| } | ||
|
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| OpenXREyeGazeInteractionExtension::OpenXREyeGazeInteractionExtension() { | ||
| singleton = this; | ||
| } | ||
|
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| OpenXREyeGazeInteractionExtension::~OpenXREyeGazeInteractionExtension() { | ||
| singleton = nullptr; | ||
| } | ||
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| HashMap<String, bool *> OpenXREyeGazeInteractionExtension::get_requested_extensions() { | ||
| HashMap<String, bool *> request_extensions; | ||
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| request_extensions[XR_EXT_EYE_GAZE_INTERACTION_EXTENSION_NAME] = &available; | ||
|
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| return request_extensions; | ||
| } | ||
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| void *OpenXREyeGazeInteractionExtension::set_system_properties_and_get_next_pointer(void *p_next_pointer) { | ||
| if (!available) { | ||
| return p_next_pointer; | ||
| } | ||
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| properties.type = XR_TYPE_SYSTEM_EYE_GAZE_INTERACTION_PROPERTIES_EXT; | ||
| properties.next = p_next_pointer; | ||
| properties.supportsEyeGazeInteraction = false; | ||
|
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| return &properties; | ||
| } | ||
|
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| bool OpenXREyeGazeInteractionExtension::is_available() { | ||
| return available; | ||
| } | ||
|
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| bool OpenXREyeGazeInteractionExtension::supports_eye_gaze_interaction() { | ||
| // The extension being available only means that the OpenXR Runtime supports the extension. | ||
| // The `supportsEyeGazeInteraction` is set to true if the device also supports this. | ||
| // Thus both need to be true. | ||
| return available && properties.supportsEyeGazeInteraction; | ||
| } | ||
|
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| void OpenXREyeGazeInteractionExtension::on_register_metadata() { | ||
| OpenXRInteractionProfileMetaData *metadata = OpenXRInteractionProfileMetaData::get_singleton(); | ||
| ERR_FAIL_NULL(metadata); | ||
|
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| // Eyes top path | ||
| metadata->register_top_level_path("Eye gaze tracker", "/user/eyes_ext", XR_EXT_EYE_GAZE_INTERACTION_EXTENSION_NAME); | ||
|
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| // Eye gaze interaction | ||
| metadata->register_interaction_profile("Eye gaze", "/interaction_profiles/ext/eye_gaze_interaction", XR_EXT_EYE_GAZE_INTERACTION_EXTENSION_NAME); | ||
| metadata->register_io_path("/interaction_profiles/ext/eye_gaze_interaction", "Gaze pose", "/user/eyes_ext", "/user/eyes_ext/input/gaze_ext/pose", "", OpenXRAction::OPENXR_ACTION_POSE); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /**************************************************************************/ | ||
| /* openxr_eye_gaze_interaction.h */ | ||
| /**************************************************************************/ | ||
| /* This file is part of: */ | ||
| /* GODOT ENGINE */ | ||
| /* https://godotengine.org */ | ||
| /**************************************************************************/ | ||
| /* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */ | ||
| /* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */ | ||
| /* */ | ||
| /* Permission is hereby granted, free of charge, to any person obtaining */ | ||
| /* a copy of this software and associated documentation files (the */ | ||
| /* "Software"), to deal in the Software without restriction, including */ | ||
| /* without limitation the rights to use, copy, modify, merge, publish, */ | ||
| /* distribute, sublicense, and/or sell copies of the Software, and to */ | ||
| /* permit persons to whom the Software is furnished to do so, subject to */ | ||
| /* the following conditions: */ | ||
| /* */ | ||
| /* The above copyright notice and this permission notice shall be */ | ||
| /* included in all copies or substantial portions of the Software. */ | ||
| /* */ | ||
| /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ | ||
| /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ | ||
| /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */ | ||
| /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ | ||
| /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ | ||
| /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ | ||
| /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ | ||
| /**************************************************************************/ | ||
|
|
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| #ifndef OPENXR_EYE_GAZE_INTERACTION_H | ||
| #define OPENXR_EYE_GAZE_INTERACTION_H | ||
|
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| #include "openxr_extension_wrapper.h" | ||
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| class OpenXREyeGazeInteractionExtension : public OpenXRExtensionWrapper { | ||
| public: | ||
| static OpenXREyeGazeInteractionExtension *get_singleton(); | ||
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| OpenXREyeGazeInteractionExtension(); | ||
| ~OpenXREyeGazeInteractionExtension(); | ||
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| virtual HashMap<String, bool *> get_requested_extensions() override; | ||
| virtual void *set_system_properties_and_get_next_pointer(void *p_next_pointer) override; | ||
|
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| bool is_available(); | ||
| bool supports_eye_gaze_interaction(); | ||
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| virtual void on_register_metadata() override; | ||
|
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| private: | ||
| static OpenXREyeGazeInteractionExtension *singleton; | ||
|
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| bool available = false; | ||
| XrSystemEyeGazeInteractionPropertiesEXT properties; | ||
| }; | ||
|
|
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| #endif // OPENXR_EYE_GAZE_INTERACTION_H |
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