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// Copyright (C) 2008-2012 NVIDIA Corporation.
// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QSSGSHADERMAPKEY_P_H
#define QSSGSHADERMAPKEY_P_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 <QtQuick3DRuntimeRender/private/qtquick3druntimerenderglobal_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrendershaderkeys_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrendershadercache_p.h>
struct QSSGShaderMapKey
{
QByteArray m_name;
const QSSGShaderFeatures m_featuresOrig;
const QSSGShaderDefaultMaterialKey *m_materialKeyOrig;
QSSGShaderDefaultMaterialKey m_materialKeyCopy;
size_t m_hashCode;
void detach()
{
if (m_materialKeyOrig) {
m_materialKeyCopy = *m_materialKeyOrig;
m_materialKeyOrig = nullptr;
}
}
QSSGShaderMapKey(const QByteArray &inName,
const QSSGShaderFeatures &inFeatures,
const QSSGShaderDefaultMaterialKey &inMaterialKey)
: m_name(inName), m_featuresOrig(inFeatures), m_materialKeyOrig(&inMaterialKey)
{
m_hashCode = qHash(m_name) ^ qHash(m_featuresOrig) ^ qHash(m_materialKeyOrig->hash());
}
};
inline bool operator==(const QSSGShaderMapKey &a, const QSSGShaderMapKey &b) Q_DECL_NOTHROW
{
if (a.m_name != b.m_name)
return false;
const QSSGShaderDefaultMaterialKey *keyA = a.m_materialKeyOrig ? a.m_materialKeyOrig : &a.m_materialKeyCopy;
const QSSGShaderDefaultMaterialKey *keyB = b.m_materialKeyOrig ? b.m_materialKeyOrig : &b.m_materialKeyCopy;
if (!(*keyA == *keyB))
return false;
return (a.m_featuresOrig == b.m_featuresOrig);
}
inline size_t qHash(const QSSGShaderMapKey &key, size_t seed)
{
return key.m_hashCode ^ seed;
}
#endif
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