qwaylandvulkanwindow.cpp

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// Copyright (C) 2019 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
 
#include "qwaylandvulkanwindow_p.h"
 
QT_BEGIN_NAMESPACE
 
namespace QtWaylandClient {
 
QWaylandVulkanWindow::QWaylandVulkanWindow(QWindow *window, QWaylandDisplay *display)
    : QWaylandWindow(window, display)
{
}
 
QWaylandVulkanWindow::~QWaylandVulkanWindow()
{
    invalidateSurface();
}
 
QWaylandWindow::WindowType QWaylandVulkanWindow::windowType() const
{
    return QWaylandWindow::Vulkan;
}
 
void QWaylandVulkanWindow::invalidateSurface()
{
    if (m_surface) {
        QVulkanInstance *inst = window()->vulkanInstance();
        if (inst)
            static_cast<QWaylandVulkanInstance *>(inst->handle())->destroySurface(m_surface);
    }
    m_surface = VK_NULL_HANDLE;
    QWaylandWindow::invalidateSurface();
}
 
VkSurfaceKHR *QWaylandVulkanWindow::vkSurface()
{
    if (m_surface)
        return &m_surface;
 
    QVulkanInstance *vulkanInstance = window()->vulkanInstance();
    if (!vulkanInstance) {
        qWarning() << "Attempted to create Vulkan surface without an instance; was QWindow::setVulkanInstance() called?";
        return nullptr;
    }
 
    auto *waylandVulkanInstance = static_cast<QWaylandVulkanInstance *>(vulkanInstance->handle());
    m_surface = waylandVulkanInstance->createSurface(this);
 
    return &m_surface;
}
 
} // namespace QtWaylandClient
 
QT_END_NAMESPACE