1// Copyright (C) 2021 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QBASICVULKANPLATFORMINSTANCE_P_H
5#define QBASICVULKANPLATFORMINSTANCE_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QtGui/qtguiglobal.h>
19
20#include <QtCore/QLibrary>
21#include <qpa/qplatformvulkaninstance.h>
22#include <private/qglobal_p.h>
23
24QT_BEGIN_NAMESPACE
25
26class Q_GUI_EXPORT QBasicPlatformVulkanInstance : public QPlatformVulkanInstance
27{
28public:
29 QBasicPlatformVulkanInstance();
30 ~QBasicPlatformVulkanInstance();
31
32 QVulkanInfoVector<QVulkanLayer> supportedLayers() const override;
33 QVulkanInfoVector<QVulkanExtension> supportedExtensions() const override;
34 QVersionNumber supportedApiVersion() const override;
35 bool isValid() const override;
36 VkResult errorCode() const override;
37 VkInstance vkInstance() const override;
38 QByteArrayList enabledLayers() const override;
39 QByteArrayList enabledExtensions() const override;
40 PFN_vkVoidFunction getInstanceProcAddr(const char *name) override;
41 bool supportsPresent(VkPhysicalDevice physicalDevice, uint32_t queueFamilyIndex, QWindow *window) override;
42 void setDebugFilters(const QList<QVulkanInstance::DebugFilter> &filters) override;
43 void setDebugUtilsFilters(const QList<QVulkanInstance::DebugUtilsFilter> &filters) override;
44
45 void destroySurface(VkSurfaceKHR surface) const;
46 const QList<QVulkanInstance::DebugFilter> *debugFilters() const { return &m_debugFilters; }
47 const QList<QVulkanInstance::DebugUtilsFilter> *debugUtilsFilters() const { return &m_debugUtilsFilters; }
48
49protected:
50 void loadVulkanLibrary(const QString &defaultLibraryName, int defaultLibraryVersion = -1);
51 void init(QLibrary *lib);
52 void initInstance(QVulkanInstance *instance, const QByteArrayList &extraExts);
53
54 VkInstance m_vkInst = VK_NULL_HANDLE;
55 PFN_vkGetInstanceProcAddr m_vkGetInstanceProcAddr = nullptr;
56 PFN_vkGetPhysicalDeviceSurfaceSupportKHR m_getPhysDevSurfaceSupport;
57 PFN_vkDestroySurfaceKHR m_destroySurface;
58
59private:
60 void setupDebugOutput();
61
62 std::unique_ptr<QLibrary> m_vulkanLib;
63
64 bool m_ownsVkInst = false;
65 VkResult m_errorCode = VK_SUCCESS;
66 QVulkanInfoVector<QVulkanLayer> m_supportedLayers;
67 QVulkanInfoVector<QVulkanExtension> m_supportedExtensions;
68 QVersionNumber m_supportedApiVersion;
69 QByteArrayList m_enabledLayers;
70 QByteArrayList m_enabledExtensions;
71
72 PFN_vkCreateInstance m_vkCreateInstance;
73 PFN_vkEnumerateInstanceLayerProperties m_vkEnumerateInstanceLayerProperties;
74 PFN_vkEnumerateInstanceExtensionProperties m_vkEnumerateInstanceExtensionProperties;
75
76 PFN_vkDestroyInstance m_vkDestroyInstance;
77
78#ifdef VK_EXT_debug_utils
79 VkDebugUtilsMessengerEXT m_debugMessenger = VK_NULL_HANDLE;
80 PFN_vkDestroyDebugUtilsMessengerEXT m_vkDestroyDebugUtilsMessengerEXT;
81#endif
82 QList<QVulkanInstance::DebugFilter> m_debugFilters;
83 QList<QVulkanInstance::DebugUtilsFilter> m_debugUtilsFilters;
84};
85
86QT_END_NAMESPACE
87
88#endif // QBASICVULKANPLATFORMINSTANCE_P_H
89

source code of qtbase/src/gui/vulkan/qbasicvulkanplatforminstance_p.h