1 files changed, 111 insertions, 0 deletions
diff --git a/src/compositor/wayland_wrapper/qwlbuffermanager.cpp b/src/compositor/wayland_wrapper/qwlbuffermanager.cpp
new file mode 100644
index 000000000..765c9a03a
--- /dev/null
+++ b/src/compositor/wayland_wrapper/qwlbuffermanager.cpp
@@ -0,0 +1,111 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the QtWaylandCompositor module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.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()
+        : d(0)
+    {
+        notify = BufferManager::destroy_listener_callback;
+        wl_list_init(&this->link);
+    }
+
+    BufferManager *d;
+};
+
+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_signal_add(&buffer_resource->destroy_signal, 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