qohosvulkansurface.cpp

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// Copyright (C) 2026 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 "qohosvulkansurface.h"

#include <QtCore/private/qohoslogger_p.h>

QT_BEGIN_NAMESPACE

void QOhosVulkanSurface::setNativeWindowSurface(::OHNativeWindow *nativeWindow)

    m_nativeWindow = nativeWindow;

VkSurfaceKHR *QOhosVulkanSurface::tryGetOrCreateVulkanWindowSurface(VkInstance instance,

                                                                    PFN_vkCreateSurfaceOHOS createFn,

                                                                    PFN_vkDestroySurfaceKHR destroyFn)

    const bool surfaceValid = m_vulkanSurface.has_value() && m_surfaceNativeWindow == m_nativeWindow;

    if (surfaceValid)

        return &m_vulkanSurface->surface;

    // safe to destroy: the RHI guarantees all swapchains are destroyed before requesting a new surface

    m_vulkanSurface.reset();

    if (!createFn) {

        qCWarning(QtForOhos, "%s: vkCreateSurfaceOHOS not available", Q_FUNC_INFO);

        return nullptr;

    VkSurfaceCreateInfoOHOS surfaceInfo{};

    surfaceInfo.sType = VK_STRUCTURE_TYPE_SURFACE_CREATE_INFO_OHOS;

    surfaceInfo.pNext = nullptr;

    surfaceInfo.flags = 0;

    surfaceInfo.window = m_nativeWindow;

    VkSurfaceKHR vkSurface = VK_NULL_HANDLE;

    VkResult err = createFn(instance, &surfaceInfo, nullptr, &vkSurface);

    if (err != VK_SUCCESS) {

        qCWarning(QtForOhos, "%s: Failed to create OHOS VkSurface: %d", Q_FUNC_INFO, err);

        return nullptr;

    m_vulkanSurface.emplace(instance, vkSurface, destroyFn);

    m_surfaceNativeWindow = m_nativeWindow;

    return &m_vulkanSurface->surface;

QT_END_NAMESPACE