qohossurface.h - mozsearch

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// Copyright (C) 2025 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 QOHOSSURFACE_H

#define QOHOSSURFACE_H

#include <EGL/egl.h>

#include <EGL/eglplatform.h>

#include <QtCore/private/qohoscommon_p.h>

#include <QtCore/qglobal.h>

#include <QtCore/qsize.h>

#include <QtGui/qimage.h>

#include <memory>

#include <native_buffer/native_buffer.h>

#include <native_window/external_window.h>

#include <optional>

#include <render/qohosegl.h>

#include <vector>

#if QT_CONFIG(vulkan)

#include <render/qohosvulkansurface.h>

class QVulkanInstance;

#endif

QT_BEGIN_NAMESPACE

class QOhosSurface final

public:

    static constexpr ::OH_NativeBuffer_Format bufferFormat = ::NATIVEBUFFER_PIXEL_FMT_BGRA_8888;

    static QImage::Format mapNativeBufferFormatToQImageFormatOrFail(std::int32_t format);

    static std::optional<QSize> tryGetBufferGeometryForWindow(::OHNativeWindow *nativeWindow);

    explicit QOhosSurface(::OHNativeWindow *nativeWindow);

    ::OHNativeWindow *nativeWindow() const;

    void setNativeWindowSurface(::OHNativeWindow *nativeWindow, const std::optional<QSize> &optSurfaceSize);

    EGLSurface tryGetOrCreateEGLWindowSurface(EGLDisplay display, EGLConfig config, bool swappingBuffers);

    std::optional<QSize> surfaceResolution() const;

    void paintOnNativeWindowSurface(

        std::function<std::vector<::Region::Rect>(QImage &, ::BufferHandle *)> paintFunc,

        std::function<void(::BufferHandle *)> onFlushSuccessFunc);

    void clearNativeWindowSurface();

    void setExtraUsageBitsForNativeWindowBuffer(std::uint64_t usageSetBits);

#if QT_CONFIG(vulkan)

    VkSurfaceKHR *tryGetOrCreateVulkanWindowSurface(QVulkanInstance *instance);

#endif

private:

    ::OHNativeWindow *m_nativeWindow;

    std::unique_ptr<QOhosEGLSurface> m_eglSurface;

#if QT_CONFIG(vulkan)

    std::unique_ptr<QOhosVulkanSurface> m_vulkanSurface;

#endif

};

QT_END_NAMESPACE

#endif