| /**************************************************************************** |
| ** |
| ** Copyright (C) 2017 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtWaylandCompositor module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** 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. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qwlbuffermanager_p.h" |
| #include <QWaylandCompositor> |
| #include <QtWaylandCompositor/private/qwaylandcompositor_p.h> |
| #include <QtWaylandCompositor/private/qwlclientbufferintegration_p.h> |
| #include <QDebug> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QtWayland { |
| |
| BufferManager::BufferManager(QWaylandCompositor *compositor) |
| : QObject(compositor) |
| , m_compositor(compositor) |
| { |
| |
| } |
| |
| struct buffer_manager_destroy_listener : wl_listener |
| { |
| buffer_manager_destroy_listener() |
| { |
| notify = BufferManager::destroy_listener_callback; |
| wl_list_init(&this->link); |
| } |
| |
| BufferManager *d = nullptr; |
| }; |
| |
| ClientBuffer *BufferManager::getBuffer(wl_resource *buffer_resource) |
| { |
| if (!buffer_resource) |
| return nullptr; |
| |
| auto it = m_buffers.find(buffer_resource); |
| if (it != m_buffers.end()) |
| return it.value(); |
| |
| auto bufferIntegration = QWaylandCompositorPrivate::get(m_compositor)->clientBufferIntegration(); |
| ClientBuffer *newBuffer = nullptr; |
| if (bufferIntegration) |
| newBuffer = bufferIntegration->createBufferFor(buffer_resource); |
| if (!newBuffer) |
| newBuffer = new SharedMemoryBuffer(buffer_resource); |
| m_buffers[buffer_resource] = newBuffer; |
| |
| auto *destroy_listener = new buffer_manager_destroy_listener; |
| destroy_listener->d = this; |
| wl_resource_add_destroy_listener(buffer_resource, destroy_listener); |
| return newBuffer; |
| } |
| |
| |
| void BufferManager::destroy_listener_callback(wl_listener *listener, void *data) |
| { |
| buffer_manager_destroy_listener *destroy_listener = static_cast<buffer_manager_destroy_listener *>(listener); |
| BufferManager *self = destroy_listener->d; |
| struct ::wl_resource *buffer = static_cast<struct ::wl_resource *>(data); |
| |
| wl_list_remove(&destroy_listener->link); |
| delete destroy_listener; |
| |
| Q_ASSERT(self); |
| Q_ASSERT(buffer); |
| |
| ClientBuffer *clientBuffer = self->m_buffers.take(buffer); |
| |
| if (!clientBuffer) |
| return; |
| |
| clientBuffer->setDestroyed(); |
| } |
| |
| } |
| QT_END_NAMESPACE |