1 files changed, 98 insertions, 0 deletions
diff --git a/examples/vulkan/hellovulkancubes/mesh.cpp b/examples/vulkan/hellovulkancubes/mesh.cpp
new file mode 100644
index 0000000000..fcc45bfd57
--- /dev/null
+++ b/examples/vulkan/hellovulkancubes/mesh.cpp
@@ -0,0 +1,98 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 "mesh.h"
+#include <QtConcurrentRun>
+#include <QFile>
+
+void Mesh::load(const QString &fn)
+{
+    reset();
+    m_maybeRunning = true;
+    m_future = QtConcurrent::run([fn]() {
+        MeshData md;
+        QFile f(fn);
+        if (!f.open(QIODevice::ReadOnly)) {
+            qWarning("Failed to open %s", qPrintable(fn));
+            return md;
+        }
+        QByteArray buf = f.readAll();
+        const char *p = buf.constData();
+        quint32 format;
+        memcpy(&format, p, 4);
+        if (format != 1) {
+            qWarning("Invalid format in %s", qPrintable(fn));
+            return md;
+        }
+        int ofs = 4;
+        memcpy(&md.vertexCount, p + ofs, 4);
+        ofs += 4;
+        memcpy(md.aabb, p + ofs, 6 * 4);
+        ofs += 6 * 4;
+        const int byteCount = md.vertexCount * 8 * 4;
+        md.geom.resize(byteCount);
+        memcpy(md.geom.data(), p + ofs, byteCount);
+        return md;
+    });
+}
+
+MeshData *Mesh::data()
+{
+    if (m_maybeRunning && !m_data.isValid())
+        m_data = m_future.result();
+
+    return &m_data;
+}
+
+void Mesh::reset()
+{
+    *data() = MeshData();
+    m_maybeRunning = false;
+}