vasilito
ff4ff35918
Red Bear OS is a full fork. All sources must be available from git clone with zero network access. Removed gitignore rules that excluded fetched source trees under recipes/*/source/, local/recipes/kde/*/source/, local/recipes/qt/*/source/, and vendor source trees. Build artifacts (target/, build/, source.tar, *.o, *.so) remain excluded. 127291 files added — kernel, relibc, base, bootloader, pkgar, all KDE/Qt frameworks, mesa, wayland, DRM drivers, and every other recipe source.
52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
// Copyright (C) 2017 The Qt Company Ltd.
|
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
|
|
|
|
#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;
|
|
}
|