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/*
* Copyright (C) 2025 Igalia, S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* aint with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#if ENABLE(WEBXR) && USE(OPENXR)
#include "OpenXRUtils.h"
typedef void* EGLDisplay;
typedef void* EGLContext;
typedef void* EGLConfig;
typedef unsigned EGLenum;
#if defined(XR_USE_PLATFORM_EGL)
typedef void (*(*PFNEGLGETPROCADDRESSPROC)(const char *))(void);
#endif
#include <openxr/openxr_platform.h>
#include <wtf/Noncopyable.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/Vector.h>
namespace WebKit {
struct OpenXRExtensionMethods {
WTF_DEPRECATED_MAKE_FAST_ALLOCATED(OpenXRExtensionMethods);
public:
#if defined(XR_USE_PLATFORM_EGL)
PFNEGLGETPROCADDRESSPROC getProcAddressFunc { nullptr };
#endif
#if defined(XR_USE_GRAPHICS_API_OPENGL_ES)
PFN_xrGetOpenGLESGraphicsRequirementsKHR xrGetOpenGLESGraphicsRequirementsKHR { nullptr };
#endif
#if defined(XR_EXT_hand_tracking)
PFN_xrCreateHandTrackerEXT xrCreateHandTrackerEXT { nullptr };
PFN_xrDestroyHandTrackerEXT xrDestroyHandTrackerEXT { nullptr };
PFN_xrLocateHandJointsEXT xrLocateHandJointsEXT { nullptr };
#endif
};
class OpenXRExtensions final {
WTF_MAKE_TZONE_ALLOCATED(OpenXRExtensions);
WTF_MAKE_NONCOPYABLE(OpenXRExtensions);
public:
static OpenXRExtensions& singleton();
~OpenXRExtensions();
bool loadMethods(XrInstance);
bool isExtensionSupported(std::span<const char>) const;
const OpenXRExtensionMethods& methods() const { return *m_methods; }
private:
friend class NeverDestroyed<OpenXRExtensions>;
OpenXRExtensions();
Vector<XrExtensionProperties> m_extensions;
std::unique_ptr<OpenXRExtensionMethods> m_methods;
};
} // namespace WebKit
#endif // ENABLE(WEBXR) && USE(OPENXR)
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