qvkkhrdisplayvulkaninstance.h

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// Copyright (C) 2021 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QVKKHRDISPLAYVULKANINSTANCE_H

#define QVKKHRDISPLAYVULKANINSTANCE_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 <QtGui/private/qbasicvulkanplatforminstance_p.h>

#include <QtCore/qsize.h>

#include <QtCore/qloggingcategory.h>

#include <climits> // For UINT_MAX

QT_BEGIN_NAMESPACE

Q_DECLARE_LOGGING_CATEGORY(qLcVkKhrDisplay)

class QVkKhrDisplayVulkanInstance : public QBasicPlatformVulkanInstance

public:

    QVkKhrDisplayVulkanInstance(QVulkanInstance *instance);

    void createOrAdoptInstance() override;

    bool supportsPresent(VkPhysicalDevice physicalDevice, uint32_t queueFamilyIndex, QWindow *window) override;

    void presentAboutToBeQueued(QWindow *window) override;

    VkSurfaceKHR createSurface(QWindow *window);

    QSize displaySize() const { return QSize(int(m_width), int(m_height)); }

    using CreatedCallback = void (*)(QVkKhrDisplayVulkanInstance *, void *);

    void setCreatedCallback(CreatedCallback callback, void *userData) {

        m_createdCallback = callback;

        m_createdCallbackUserData = userData;

private:

    bool chooseDisplay();

    QVulkanInstance *m_instance;

    VkPhysicalDevice m_physDev = VK_NULL_HANDLE;

    PFN_vkEnumeratePhysicalDevices m_enumeratePhysicalDevices = nullptr;

    PFN_vkGetPhysicalDeviceSurfaceSupportKHR m_getPhysicalDeviceSurfaceSupportKHR = nullptr;

#if VK_KHR_display

    PFN_vkGetPhysicalDeviceDisplayPropertiesKHR m_getPhysicalDeviceDisplayPropertiesKHR = nullptr;

    PFN_vkGetDisplayModePropertiesKHR m_getDisplayModePropertiesKHR = nullptr;

    PFN_vkGetPhysicalDeviceDisplayPlanePropertiesKHR m_getPhysicalDeviceDisplayPlanePropertiesKHR = nullptr;

    PFN_vkGetDisplayPlaneSupportedDisplaysKHR m_getDisplayPlaneSupportedDisplaysKHR = nullptr;

    PFN_vkGetDisplayPlaneCapabilitiesKHR m_getDisplayPlaneCapabilitiesKHR = nullptr;

    PFN_vkCreateDisplayPlaneSurfaceKHR m_createDisplayPlaneSurfaceKHR = nullptr;

#endif

    CreatedCallback m_createdCallback = nullptr;

    void *m_createdCallbackUserData = nullptr;

    VkDisplayKHR m_display = VK_NULL_HANDLE;

    VkDisplayModeKHR m_displayMode = VK_NULL_HANDLE;

    uint32_t m_width = 0;

    uint32_t m_height = 0;

    uint32_t m_planeIndex = UINT_MAX;

    uint32_t m_planeStackIndex = UINT_MAX;

};

QT_END_NAMESPACE

#endif