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/*
* Copyright (C) 2021 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 "GraphicsTypesGL.h"
#include "IntSize.h"
#include "OpenXRUtils.h"
#include <wtf/Noncopyable.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/Vector.h>
namespace PlatformXR {
class OpenXRSwapchain {
WTF_MAKE_TZONE_ALLOCATED(OpenXRSwapchain);
WTF_MAKE_NONCOPYABLE(OpenXRSwapchain);
public:
static std::unique_ptr<OpenXRSwapchain> create(XrInstance, XrSession, const XrSwapchainCreateInfo&);
~OpenXRSwapchain();
std::optional<PlatformGLObject> acquireImage();
void releaseImage();
XrSwapchain swapchain() const { return m_swapchain; }
int32_t width() const { return m_createInfo.width; }
int32_t height() const { return m_createInfo.height; }
WebCore::IntSize size() const { return WebCore::IntSize(width(), height()); }
private:
OpenXRSwapchain(XrInstance, XrSwapchain, const XrSwapchainCreateInfo&, Vector<XrSwapchainImageOpenGLKHR>&&);
XrInstance m_instance;
XrSwapchain m_swapchain;
XrSwapchainCreateInfo m_createInfo;
Vector<XrSwapchainImageOpenGLKHR> m_imageBuffers;
PlatformGLObject m_acquiredTexture { 0 };
};
} // namespace PlatformXR
#endif // ENABLE(WEBXR) && USE(OPENXR)
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