Revision control
Copy as Markdown
// Copyright (C) 2008-2012 NVIDIA Corporation.
// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
// Qt-Security score:significant reason:default
#ifndef QSSG_RENDERER_UTIL_H
#define QSSG_RENDERER_UTIL_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtQuick3DUtils/private/qssgrenderbasetypes_p.h>
#include <QtCore/qhashfunctions.h>
#include <QtCore/qstring.h>
QT_BEGIN_NAMESPACE
namespace QSSGRendererUtil
{
inline constexpr quint32 nextMultipleOf4(quint32 value) {
return (value + 3) & ~3;
}
}
class QSSGRenderPath
{
public:
QSSGRenderPath() = default;
explicit QSSGRenderPath(const QString &p, const QString &lightmapKey = {}) noexcept
: m_path(p), m_lightmapKey(lightmapKey),
m_key{qHashMulti(size_t(0), p, lightmapKey)}
{
}
bool isNull() const { return m_path.isNull(); }
bool isEmpty() const { return m_path.isEmpty(); }
QString path() const { return m_path; }
private:
friend bool operator==(const QSSGRenderPath &p1, const QSSGRenderPath &p2) noexcept
{
return p1.m_key == p2.m_key
&& p1.m_path == p2.m_path
&& p1.m_lightmapKey == p2.m_lightmapKey;
}
friend bool operator!=(const QSSGRenderPath &p1, const QSSGRenderPath &p2) noexcept
{
return !(p1 == p2);
}
friend size_t qHash(const QSSGRenderPath &key, size_t seed) noexcept
{
return qHash(key.m_key, seed);
}
QString m_path;
QString m_lightmapKey;
size_t m_key = 0;
};
QT_END_NAMESPACE
#endif