25b2f1780a
This applies our existing style guide, and adds a new rule to that style
guide for modular components such as platform ports and modules:
Includes from the platform port or module ("local" includes) should be listed
first in their own block using relative paths, before Godot's "core" includes
which use "absolute" (project folder relative) paths, and finally thirdparty
includes.
Includes in `#ifdef`s come after their relevant section, i.e. the overall
structure is:
- Local includes
* Conditional local includes
- Core includes
* Conditional core includes
- Thirdparty includes
* Conditional thirdparty includes
119 lines
9 KiB
C++
119 lines
9 KiB
C++
/**************************************************************************/
|
|
/* openxr_extension_wrapper.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. */
|
|
/**************************************************************************/
|
|
|
|
#ifndef OPENXR_EXTENSION_WRAPPER_H
|
|
#define OPENXR_EXTENSION_WRAPPER_H
|
|
|
|
#include "core/error/error_macros.h"
|
|
#include "core/math/projection.h"
|
|
#include "core/templates/hash_map.h"
|
|
#include "core/templates/rid.h"
|
|
|
|
#include "thirdparty/openxr/src/common/xr_linear.h"
|
|
|
|
#include <openxr/openxr.h>
|
|
|
|
class OpenXRAPI;
|
|
class OpenXRActionMap;
|
|
|
|
// `OpenXRExtensionWrapper` allows us to implement OpenXR extensions.
|
|
class OpenXRExtensionWrapper {
|
|
public:
|
|
// `get_requested_extensions` should return a list of OpenXR extensions related to this extension.
|
|
// If the bool * is a nullptr this extension is mandatory
|
|
// If the bool * points to a boolean, the boolean will be updated
|
|
// to true if the extension is enabled.
|
|
virtual HashMap<String, bool *> get_requested_extensions() = 0;
|
|
|
|
// These functions allow an extension to add entries to a struct chain.
|
|
// `p_next_pointer` points to the last struct that was created for this chain
|
|
// and should be used as the value for the `pNext` pointer in the first struct you add.
|
|
// You should return the pointer to the last struct you define as your result.
|
|
// If you are not adding any structs, just return `p_next_pointer`.
|
|
// See existing extensions for examples of this implementation.
|
|
virtual void *set_system_properties_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; } // Add additional data structures when we interogate OpenXRS system abilities.
|
|
virtual void *set_instance_create_info_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; } // Add additional data structures when we create our OpenXR instance.
|
|
virtual void *set_session_create_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; } // Add additional data structures when we create our OpenXR session.
|
|
virtual void *set_swapchain_create_info_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; } // Add additional data structures when creating OpenXR swap chains.
|
|
|
|
// `on_register_metadata` allows extensions to register additional controller metadata.
|
|
// This function is called even when OpenXRApi is not constructured as the metadata
|
|
// needs to be available to the editor.
|
|
// Also extensions should provide metadata regardless of whether they are supported
|
|
// on the host system as the controller data is used to setup action maps for users
|
|
// who may have access to the relevant hardware.
|
|
virtual void on_register_metadata() {}
|
|
|
|
virtual void on_before_instance_created() {} // `on_before_instance_created` is called before we create our OpenXR instance.
|
|
virtual void on_instance_created(const XrInstance p_instance) {} // `on_instance_created` is called right after we've successfully created our OpenXR instance.
|
|
virtual void on_instance_destroyed() {} // `on_instance_destroyed` is called right before we destroy our OpenXR instance.
|
|
virtual void on_session_created(const XrSession p_instance) {} // `on_session_created` is called right after we've successfully created our OpenXR session.
|
|
virtual void on_session_destroyed() {} // `on_session_destroyed` is called right before we destroy our OpenXR session.
|
|
|
|
// `on_process` is called as part of our OpenXR process handling,
|
|
// this happens right before physics process and normal processing is run.
|
|
// This is when controller data is queried and made available to game logic.
|
|
virtual void on_process() {}
|
|
virtual void on_pre_render() {} // `on_pre_render` is called right before we start rendering our XR viewports.
|
|
virtual void on_pre_draw_viewport(RID p_render_target) {} // `on_pre_draw_viewport` is called right before we start rendering this viewport
|
|
virtual void on_post_draw_viewport(RID p_render_target) {} // `on_port_draw_viewport` is called right after we start rendering this viewport (note that on Vulkan draw commands may only be queued)
|
|
|
|
virtual void on_state_idle() {} // `on_state_idle` is called when the OpenXR session state is changed to idle.
|
|
virtual void on_state_ready() {} // `on_state_ready` is called when the OpenXR session state is changed to ready, this means OpenXR is ready to setup our session.
|
|
virtual void on_state_synchronized() {} // `on_state_synchronized` is called when the OpenXR session state is changed to synchronized, note that OpenXR also returns to this state when our application looses focus.
|
|
virtual void on_state_visible() {} // `on_state_visible` is called when the OpenXR session state is changed to visible, OpenXR is now ready to receive frames.
|
|
virtual void on_state_focused() {} // `on_state_focused` is called when the OpenXR session state is changed to focused, this state is the active state when our game runs.
|
|
virtual void on_state_stopping() {} // `on_state_stopping` is called when the OpenXR session state is changed to stopping.
|
|
virtual void on_state_loss_pending() {} // `on_state_loss_pending` is called when the OpenXR session state is changed to loss pending.
|
|
virtual void on_state_exiting() {} // `on_state_exiting` is called when the OpenXR session state is changed to exiting.
|
|
|
|
// `on_event_polled` is called when there is an OpenXR event to process.
|
|
// Should return true if the event was handled, false otherwise.
|
|
virtual bool on_event_polled(const XrEventDataBuffer &event) {
|
|
return false;
|
|
}
|
|
|
|
OpenXRExtensionWrapper() = default;
|
|
virtual ~OpenXRExtensionWrapper() = default;
|
|
};
|
|
|
|
// `OpenXRGraphicsExtensionWrapper` implements specific logic for each supported graphics API.
|
|
class OpenXRGraphicsExtensionWrapper : public OpenXRExtensionWrapper {
|
|
public:
|
|
virtual void get_usable_swapchain_formats(Vector<int64_t> &p_usable_swap_chains) = 0; // `get_usable_swapchain_formats` should return a list of usable color formats.
|
|
virtual void get_usable_depth_formats(Vector<int64_t> &p_usable_swap_chains) = 0; // `get_usable_depth_formats` should return a list of usable depth formats.
|
|
virtual String get_swapchain_format_name(int64_t p_swapchain_format) const = 0; // `get_swapchain_format_name` should return the constant name of a given format.
|
|
virtual bool get_swapchain_image_data(XrSwapchain p_swapchain, int64_t p_swapchain_format, uint32_t p_width, uint32_t p_height, uint32_t p_sample_count, uint32_t p_array_size, void **r_swapchain_graphics_data) = 0; // `get_swapchain_image_data` extracts image IDs for the swapchain images and stores there in an implementation dependent data structure.
|
|
virtual void cleanup_swapchain_graphics_data(void **p_swapchain_graphics_data) = 0; // `cleanup_swapchain_graphics_data` cleans up the data held in our implementation dependent data structure and should free up its memory.
|
|
virtual bool create_projection_fov(const XrFovf p_fov, double p_z_near, double p_z_far, Projection &r_camera_matrix) = 0; // `create_projection_fov` creates a proper projection matrix based on asymmetric FOV data provided by OpenXR.
|
|
virtual RID get_texture(void *p_swapchain_graphics_data, int p_image_index) = 0; // `get_texture` returns a Godot texture RID for the current active texture in our swapchain.
|
|
};
|
|
|
|
#endif // OPENXR_EXTENSION_WRAPPER_H
|