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39 
40 #ifndef QBASICVULKANPLATFORMINSTANCE_P_H
41 #define QBASICVULKANPLATFORMINSTANCE_P_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists purely as an
48 // implementation detail.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include <QtCore/QLibrary>
55 #include <qpa/qplatformvulkaninstance.h>
56 
57 QT_BEGIN_NAMESPACE
58 
59 class QLibrary;
60 
61 class QBasicPlatformVulkanInstance : public QPlatformVulkanInstance
62 {
63 public:
64     QBasicPlatformVulkanInstance();
65     ~QBasicPlatformVulkanInstance();
66 
67     QVulkanInfoVector<QVulkanLayer> supportedLayers() const override;
68     QVulkanInfoVector<QVulkanExtension> supportedExtensions() const override;
69     bool isValid() const override;
70     VkResult errorCode() const override;
71     VkInstance vkInstance() const override;
72     QByteArrayList enabledLayers() const override;
73     QByteArrayList enabledExtensions() const override;
74     PFN_vkVoidFunction getInstanceProcAddr(const char *name) override;
75     bool supportsPresent(VkPhysicalDevice physicalDevice, uint32_t queueFamilyIndex, QWindow *window) override;
76     void setDebugFilters(const QVector<QVulkanInstance::DebugFilter> &filters) override;
77 
78     void destroySurface(VkSurfaceKHR surface) const;
debugFilters()79     const QVector<QVulkanInstance::DebugFilter> *debugFilters() const { return &m_debugFilters; }
80 
81 protected:
82     void loadVulkanLibrary(const QString &defaultLibraryName);
83     void init(QLibrary *lib);
84     void initInstance(QVulkanInstance *instance, const QByteArrayList &extraExts);
85 
86     VkInstance m_vkInst;
87     PFN_vkGetInstanceProcAddr m_vkGetInstanceProcAddr;
88     PFN_vkGetPhysicalDeviceSurfaceSupportKHR m_getPhysDevSurfaceSupport;
89     PFN_vkDestroySurfaceKHR m_destroySurface;
90 
91 private:
92     void setupDebugOutput();
93 
94     QLibrary m_vulkanLib;
95 
96     bool m_ownsVkInst;
97     VkResult m_errorCode;
98     QVulkanInfoVector<QVulkanLayer> m_supportedLayers;
99     QVulkanInfoVector<QVulkanExtension> m_supportedExtensions;
100     QByteArrayList m_enabledLayers;
101     QByteArrayList m_enabledExtensions;
102 
103     PFN_vkCreateInstance m_vkCreateInstance;
104     PFN_vkEnumerateInstanceLayerProperties m_vkEnumerateInstanceLayerProperties;
105     PFN_vkEnumerateInstanceExtensionProperties m_vkEnumerateInstanceExtensionProperties;
106 
107     PFN_vkDestroyInstance m_vkDestroyInstance;
108 
109     VkDebugReportCallbackEXT m_debugCallback;
110     PFN_vkDestroyDebugReportCallbackEXT m_vkDestroyDebugReportCallbackEXT;
111     QVector<QVulkanInstance::DebugFilter> m_debugFilters;
112 };
113 
114 QT_END_NAMESPACE
115 
116 #endif // QBASICVULKANPLATFORMINSTANCE_P_H
117