qopenxrgraphics_vulkan_p.h

// 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 QOPENXRGRAPHICSVULKAN_H

#define QOPENXRGRAPHICSVULKAN_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 <QtGui/QVulkanInstance>

#include <QtQuick/QQuickGraphicsConfiguration>

QT_BEGIN_NAMESPACE

class QRhiTexture;

class QOpenXRGraphicsVulkan : public QAbstractOpenXRGraphics

public:

    QOpenXRGraphicsVulkan();

    QVector<const char *> getRequiredExtensions() const override;

    bool initialize(const QVector<XrExtensionProperties> &extensions) 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;

    void setupWindow(QQuickWindow *quickWindow) override;

    QRhi *rhi() const override { return m_rhi; }

    void releaseResources() override;

private:

    QVulkanInstance m_vulkanInstance;

    VkDevice m_vulkanDevice = VK_NULL_HANDLE;

    VkPhysicalDevice m_vulkanPhysicalDevice = VK_NULL_HANDLE;

    VkQueue m_vulkanCommandQueue = VK_NULL_HANDLE;

    QQuickGraphicsConfiguration m_graphicsConfiguration;

    int m_queueFamilyIndex = -1;

    XrGraphicsBindingVulkanKHR m_graphicsBinding{};

    QMap<XrSwapchain, QVector<XrSwapchainImageVulkanKHR>> m_swapchainImageBuffer;

    QRhi *m_rhi = nullptr;

    mutable QRhiTexture *m_depthTexture = nullptr;

};

QT_END_NAMESPACE

#endif // QOPENXRGRAPHICSVULKAN_H