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73 lines
3.8 KiB
C++
73 lines
3.8 KiB
C++
/**************************************************************************/
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/* openxr_fb_display_refresh_rate_extension.h */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifndef OPENXR_FB_DISPLAY_REFRESH_RATE_EXTENSION_H
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#define OPENXR_FB_DISPLAY_REFRESH_RATE_EXTENSION_H
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// This extension gives us access to the possible display refresh rates
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// supported by the HMD.
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// While this is an FB extension it has been adopted by most runtimes and
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// will likely become core in the near future.
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#include "../openxr_api.h"
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#include "../util.h"
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#include "openxr_extension_wrapper.h"
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class OpenXRDisplayRefreshRateExtension : public OpenXRExtensionWrapper {
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public:
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static OpenXRDisplayRefreshRateExtension *get_singleton();
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OpenXRDisplayRefreshRateExtension();
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virtual ~OpenXRDisplayRefreshRateExtension() override;
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virtual HashMap<String, bool *> get_requested_extensions() override;
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virtual void on_instance_created(const XrInstance p_instance) override;
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virtual void on_instance_destroyed() override;
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virtual bool on_event_polled(const XrEventDataBuffer &event) override;
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float get_refresh_rate() const;
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void set_refresh_rate(float p_refresh_rate);
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Array get_available_refresh_rates() const;
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private:
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static OpenXRDisplayRefreshRateExtension *singleton;
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bool display_refresh_rate_ext = false;
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// OpenXR API call wrappers
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EXT_PROTO_XRRESULT_FUNC4(xrEnumerateDisplayRefreshRatesFB, (XrSession), session, (uint32_t), displayRefreshRateCapacityInput, (uint32_t *), displayRefreshRateCountOutput, (float *), displayRefreshRates);
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EXT_PROTO_XRRESULT_FUNC2(xrGetDisplayRefreshRateFB, (XrSession), session, (float *), display_refresh_rate);
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EXT_PROTO_XRRESULT_FUNC2(xrRequestDisplayRefreshRateFB, (XrSession), session, (float), display_refresh_rate);
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};
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#endif // OPENXR_FB_DISPLAY_REFRESH_RATE_EXTENSION_H
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