vulkanserverbufferintegration.h

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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
 
#ifndef VULKANSERVERBUFFERINTEGRATION_H
#define VULKANSERVERBUFFERINTEGRATION_H
 
#include <QtWaylandCompositor/private/qwlserverbufferintegration_p.h>
 
#include "qwayland-server-qt-vulkan-server-buffer-unstable-v1.h"
 
#include <QtGui/QImage>
#include <QtGui/QWindow>
#include <QtGui/qpa/qplatformnativeinterface.h>
#include <QtGui/QGuiApplication>
 
#include <QtWaylandCompositor/qwaylandcompositor.h>
#include <QtWaylandCompositor/private/qwayland-server-server-buffer-extension.h>
 
QT_BEGIN_NAMESPACE
 
class VulkanServerBufferIntegration;
class VulkanWrapper;
struct VulkanImageWrapper;
 
class VulkanServerBuffer : public QtWayland::ServerBuffer, public QtWaylandServer::qt_server_buffer
{
public:
    VulkanServerBuffer(VulkanServerBufferIntegration *integration, const QImage &qimage, QtWayland::ServerBuffer::Format format);
    VulkanServerBuffer(VulkanServerBufferIntegration *integration, VulkanImageWrapper *vImage, uint glInternalFormat, const QSize &size);
    ~VulkanServerBuffer() override;
 
    struct ::wl_resource *resourceForClient(struct ::wl_client *) override;
    bool bufferInUse() override;
    QOpenGLTexture *toOpenGlTexture() override;
    void releaseOpenGlTexture() override;
 
protected:
    void server_buffer_release(Resource *resource) override;
 
private:
    VulkanServerBufferIntegration *m_integration = nullptr;
 
    int m_width;
    int m_height;
    int m_memorySize;
    int m_fd = -1;
    VulkanImageWrapper *m_vImage = nullptr;
    QOpenGLTexture *m_texture = nullptr;
    uint m_glInternalFormat;
    GLuint m_memoryObject;
};
 
class VulkanServerBufferIntegration :
    public QtWayland::ServerBufferIntegration,
    public QtWaylandServer::zqt_vulkan_server_buffer_v1
{
public:
    VulkanServerBufferIntegration();
    ~VulkanServerBufferIntegration() override;
 
    VulkanWrapper *vulkanWrapper() const { return m_vulkanWrapper; }
 
    bool initializeHardware(QWaylandCompositor *) override;
 
    bool supportsFormat(QtWayland::ServerBuffer::Format format) const override;
    QtWayland::ServerBuffer *createServerBufferFromImage(const QImage &qimage, QtWayland::ServerBuffer::Format format) override;
    QtWayland::ServerBuffer *createServerBufferFromData(QByteArrayView view, const QSize &size,
                                                        uint glInternalFormat) override;
 
private:
    VulkanWrapper *m_vulkanWrapper = nullptr;
};
 
QT_END_NAMESPACE
 
#endif