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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
// Qt-Security score:significant reason:default
#ifndef QOPENXRGRAPHICSMETAL_H
#define QOPENXRGRAPHICSMETAL_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtQuick3DXr/private/qabstractopenxrgraphics_p.h>
#include <QtQuick3DXr/private/qopenxrplatform_p.h>
#include <QtCore/QMap>
Q_FORWARD_DECLARE_OBJC_CLASS(MTLDevice);
Q_FORWARD_DECLARE_OBJC_CLASS(MTLCommandQueue);
QT_BEGIN_NAMESPACE
class QOpenXRGraphicsMetal : public QAbstractOpenXRGraphics
{
public:
QOpenXRGraphicsMetal();
bool initialize(const QVector<XrExtensionProperties> &extensions) override;
QVector<const char *> getRequiredExtensions() const override;
const XrBaseInStructure *handle() const override;
bool setupGraphics(const XrInstance &instance, XrSystemId &systemId, const QQuickGraphicsConfiguration &quickConfig) override;
bool finializeGraphics(QRhi *rhi) override;
int64_t colorSwapchainFormat(const QVector<int64_t> &swapchainFormats) const override;
int64_t depthSwapchainFormat(const QVector<int64_t> &swapchainFormats) const override;
QVector<XrSwapchainImageBaseHeader *> allocateSwapchainImages(int count, XrSwapchain swapchain) override;
QQuickRenderTarget renderTarget(const XrSwapchainSubImage &subImage, const XrSwapchainImageBaseHeader *swapchainImage, quint64 swapchainFormat, int samples, int arraySize, const XrSwapchainImageBaseHeader *depthSwapchainImage, quint64 depthSwapchainFormat) const override;
QRhi *rhi() const override;
void setupWindow(QQuickWindow *) override;
private:
QRhi *m_rhi = nullptr;
MTLDevice *m_device = nullptr;
MTLCommandQueue *m_commandQueue = nullptr;
XrGraphicsBindingMetalKHR m_graphicsBinding = {XR_TYPE_GRAPHICS_BINDING_METAL_KHR, nullptr, nullptr};
QMap<XrSwapchain, QVector<XrSwapchainImageMetalKHR>> m_swapchainImageBuffer;
XrGraphicsRequirementsMetalKHR m_graphicsRequirements = {XR_TYPE_GRAPHICS_REQUIREMENTS_METAL_KHR, nullptr, nullptr};
};
QT_END_NAMESPACE
#endif // QOPENXRGRAPHICSMETAL_H