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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Wayland module
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 "compositor.h"
+#include "window.h"
+
+#include <QtWaylandCompositor/qwaylandoutput.h>
+#include <QOpenGLFunctions>
+
+GLuint View::getTexture() {
+ if (advance()) {
+ QOpenGLFunctions *functions = QOpenGLContext::currentContext()->functions();
+ if (m_texture)
+ functions->glDeleteTextures(1, &m_texture);
+
+ functions->glGenTextures(1, &m_texture);
+ functions->glBindTexture(GL_TEXTURE_2D, m_texture);
+ functions->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ currentBuffer().bindToTexture();
+ }
+ return m_texture;
+}
+
+bool View::isCursor() const
+{
+ return surface()->isCursorSurface();
+}
+
+Compositor::Compositor(Window *window)
+ : QWaylandCompositor()
+ , m_window(window)
+{
+}
+
+Compositor::~Compositor()
+{
+}
+
+void Compositor::create()
+{
+ new QWaylandOutput(this, m_window);
+ QWaylandCompositor::create();
+
+ connect(this, &QWaylandCompositor::surfaceCreated, this, &Compositor::onSurfaceCreated);
+}
+
+void Compositor::onSurfaceCreated(QWaylandSurface *surface)
+{
+ connect(surface, &QWaylandSurface::surfaceDestroyed, this, &Compositor::onSurfaceDestroyed);
+ connect(surface, &QWaylandSurface::redraw, this, &Compositor::triggerRender);
+ View *view = new View;
+ view->setSurface(surface);
+ view->setOutput(outputFor(m_window));
+ m_views << view;
+ connect(view, &QWaylandView::surfaceDestroyed, this, &Compositor::viewSurfaceDestroyed);
+}
+
+void Compositor::onSurfaceDestroyed()
+{
+ triggerRender();
+}
+
+void Compositor::viewSurfaceDestroyed()
+{
+ View *view = qobject_cast<View*>(sender());
+ m_views.removeAll(view);
+ delete view;
+}
+
+void Compositor::triggerRender()
+{
+ m_window->requestUpdate();
+}
+
+void Compositor::startRender()
+{
+ QWaylandOutput *out = defaultOutput();
+ if (out)
+ out->frameStarted();
+}
+
+void Compositor::endRender()
+{
+ QWaylandOutput *out = defaultOutput();
+ if (out)
+ out->sendFrameCallbacks();
+}