1 files changed, 88 insertions, 0 deletions
diff --git a/src/gui/vulkan/qbasicvulkanplatforminstance_p.h b/src/gui/vulkan/qbasicvulkanplatforminstance_p.h
new file mode 100644
index 0000000000..dfa5003f16
--- /dev/null
+++ b/src/gui/vulkan/qbasicvulkanplatforminstance_p.h
@@ -0,0 +1,88 @@
+// 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
+
+#ifndef QBASICVULKANPLATFORMINSTANCE_P_H
+#define QBASICVULKANPLATFORMINSTANCE_P_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/qtguiglobal.h>
+
+#include <QtCore/QLibrary>
+#include <qpa/qplatformvulkaninstance.h>
+#include <private/qglobal_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class Q_GUI_EXPORT QBasicPlatformVulkanInstance : public QPlatformVulkanInstance
+{
+public:
+    QBasicPlatformVulkanInstance();
+    ~QBasicPlatformVulkanInstance();
+
+    QVulkanInfoVector<QVulkanLayer> supportedLayers() const override;
+    QVulkanInfoVector<QVulkanExtension> supportedExtensions() const override;
+    QVersionNumber supportedApiVersion() const override;
+    bool isValid() const override;
+    VkResult errorCode() const override;
+    VkInstance vkInstance() const override;
+    QByteArrayList enabledLayers() const override;
+    QByteArrayList enabledExtensions() const override;
+    PFN_vkVoidFunction getInstanceProcAddr(const char *name) override;
+    bool supportsPresent(VkPhysicalDevice physicalDevice, uint32_t queueFamilyIndex, QWindow *window) override;
+    void setDebugFilters(const QList<QVulkanInstance::DebugFilter> &filters) override;
+    void setDebugUtilsFilters(const QList<QVulkanInstance::DebugUtilsFilter> &filters) override;
+
+    void destroySurface(VkSurfaceKHR surface) const;
+    const QList<QVulkanInstance::DebugFilter> *debugFilters() const { return &m_debugFilters; }
+    const QList<QVulkanInstance::DebugUtilsFilter> *debugUtilsFilters() const { return &m_debugUtilsFilters; }
+
+protected:
+    void loadVulkanLibrary(const QString &defaultLibraryName, int defaultLibraryVersion = -1);
+    void init(QLibrary *lib);
+    void initInstance(QVulkanInstance *instance, const QByteArrayList &extraExts);
+
+    VkInstance m_vkInst = VK_NULL_HANDLE;
+    PFN_vkGetInstanceProcAddr m_vkGetInstanceProcAddr = nullptr;
+    PFN_vkGetPhysicalDeviceSurfaceSupportKHR m_getPhysDevSurfaceSupport;
+    PFN_vkDestroySurfaceKHR m_destroySurface;
+
+private:
+    void setupDebugOutput();
+
+    std::unique_ptr<QLibrary> m_vulkanLib;
+
+    bool m_ownsVkInst = false;
+    VkResult m_errorCode = VK_SUCCESS;
+    QVulkanInfoVector<QVulkanLayer> m_supportedLayers;
+    QVulkanInfoVector<QVulkanExtension> m_supportedExtensions;
+    QVersionNumber m_supportedApiVersion;
+    QByteArrayList m_enabledLayers;
+    QByteArrayList m_enabledExtensions;
+
+    PFN_vkCreateInstance m_vkCreateInstance;
+    PFN_vkEnumerateInstanceLayerProperties m_vkEnumerateInstanceLayerProperties;
+    PFN_vkEnumerateInstanceExtensionProperties m_vkEnumerateInstanceExtensionProperties;
+
+    PFN_vkDestroyInstance m_vkDestroyInstance;
+
+#ifdef VK_EXT_debug_utils
+    VkDebugUtilsMessengerEXT m_debugMessenger = VK_NULL_HANDLE;
+    PFN_vkDestroyDebugUtilsMessengerEXT m_vkDestroyDebugUtilsMessengerEXT;
+#endif
+    QList<QVulkanInstance::DebugFilter> m_debugFilters;
+    QList<QVulkanInstance::DebugUtilsFilter> m_debugUtilsFilters;
+};
+
+QT_END_NAMESPACE
+
+#endif // QBASICVULKANPLATFORMINSTANCE_P_H