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Diffstat (limited to 'examples/wayland/server-buffer/compositor/sharebufferextension.cpp')
-rw-r--r-- | examples/wayland/server-buffer/compositor/sharebufferextension.cpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/examples/wayland/server-buffer/compositor/sharebufferextension.cpp b/examples/wayland/server-buffer/compositor/sharebufferextension.cpp new file mode 100644 index 000000000..8277dad34 --- /dev/null +++ b/examples/wayland/server-buffer/compositor/sharebufferextension.cpp @@ -0,0 +1,135 @@ +/**************************************************************************** +** +** Copyright (C) 2017 The Qt Company Ltd. +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Wayland module +** +** $QT_BEGIN_LICENSE:BSD$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** BSD License Usage +** Alternatively, you may use this file under the terms of the BSD license +** as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of The Qt Company Ltd nor the names of its +** contributors may be used to endorse or promote products derived +** from this software without specific prior written permission. +** +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "sharebufferextension.h" + +#include <QWaylandSurface> + +#include <QDebug> + +#include <QQuickWindow> + +#include <QPainter> +#include <QPen> + +ShareBufferExtension::ShareBufferExtension(QWaylandCompositor *compositor) + : QWaylandCompositorExtensionTemplate(compositor) + , m_server_buffer_integration(nullptr) + , m_server_buffers_created(false) +{ +} + +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 : qAsConst(m_server_buffers)) { + qDebug() << "sending" << buffer << "to client"; + struct ::wl_client *client = resource->handle->client; + struct ::wl_resource *buffer_resource = buffer->resourceForClient(client); + send_cross_buffer(resource->handle, buffer_resource); + } +} |