Revision control
++ // Copyright (C) 2017 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #include "sharebufferextension.h"
++
++ #include <QWaylandSurface>
++
++ #include <QDebug>
++
++ #include <QQuickWindow>
++
++ #include <QPainter>
++ #include <QPen>
++
++ ShareBufferExtension::ShareBufferExtension(QWaylandCompositor *compositor)
++ : QWaylandCompositorExtensionTemplate(compositor)
++ {
++ }
++
++ void ShareBufferExtension::initialize()
++ {
++ QWaylandCompositorExtensionTemplate::initialize();
++ QWaylandCompositor *compositor = static_cast<QWaylandCompositor *>(extensionContainer());
++ init(compositor->display(), 1);
++ }
++
++ QtWayland::ServerBuffer *ShareBufferExtension::addImage(const QImage &img)
++ {
++ if (!m_server_buffer_integration) {
++ QWaylandCompositor *compositor = static_cast<QWaylandCompositor *>(extensionContainer());
++
++ m_server_buffer_integration = QWaylandCompositorPrivate::get(compositor)->serverBufferIntegration();
++ if (!m_server_buffer_integration) {
++ qWarning("Could not find a server buffer integration");
++ return nullptr;
++ }
++ }
++
++ QImage image = img.convertToFormat(QImage::Format_RGBA8888);
++
++ auto *buffer = m_server_buffer_integration->createServerBufferFromImage(image, QtWayland::ServerBuffer::RGBA32);
++
++ m_server_buffers.append(buffer);
++ return buffer;
++ }
++
++ void ShareBufferExtension::createServerBuffers()
++ {
++ QImage image(100,100,QImage::Format_ARGB32_Premultiplied);
++ image.fill(QColor(0x55,0x0,0x55,0x01));
++ {
++ QPainter p(&image);
++ QPen pen = p.pen();
++ pen.setWidthF(3);
++ pen.setColor(Qt::red);
++ p.setPen(pen);
++ p.drawLine(0,0,100,100);
++ pen.setColor(Qt::green);
++ p.setPen(pen);
++ p.drawLine(100,0,0,100);
++ pen.setColor(Qt::blue);
++ p.setPen(pen);
++ p.drawLine(25,15,75,15);
++ }
++
++ addImage(image);
++
++ QImage image2(":/images/Siberischer_tiger_de_edit02.jpg");
++ addImage(image2);
++
++ m_server_buffers_created = true;
++ }
++
++
++ void ShareBufferExtension::share_buffer_bind_resource(Resource *resource)
++ {
++ if (!m_server_buffers_created)
++ createServerBuffers();
++
++ for (auto *buffer : std::as_const(m_server_buffers)) {
++ qDebug() << "sending" << buffer << "to client";
++ struct ::wl_client *client = wl_resource_get_client(resource->handle);
++ struct ::wl_resource *buffer_resource = buffer->resourceForClient(client);
++ send_cross_buffer(resource->handle, buffer_resource);
++ }
++ }