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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
++ // Qt-Security score:significant reason:default
++
++
++ #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/qssgrenderparticleshaderkeys_p.h>
++ #include <QtQuick3DRuntimeRender/private/qssgrendershadercache_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ template <typename T>
++ struct TShaderMapKey
++ {
++ QByteArray m_name;
++ const QSSGShaderFeatures m_featuresOrig;
++ const T *m_materialKeyOrig;
++ T m_materialKeyCopy;
++ size_t m_hashCode;
++
++ void detach()
++ {
++ if (m_materialKeyOrig) {
++ m_materialKeyCopy = *m_materialKeyOrig;
++ m_materialKeyOrig = nullptr;
++ }
++ }
++
++ TShaderMapKey(const QByteArray &inName,
++ const QSSGShaderFeatures &inFeatures,
++ const T &inMaterialKey)
++ : m_name(inName), m_featuresOrig(inFeatures), m_materialKeyOrig(&inMaterialKey)
++ {
++ m_hashCode = qHash(m_name) ^ qHash(m_featuresOrig) ^ qHash(m_materialKeyOrig->hash());
++ }
++ };
++ template <typename T>
++ inline bool operator==(const TShaderMapKey<T> &a, const TShaderMapKey<T> &b) Q_DECL_NOTHROW
++ {
++ if (a.m_name != b.m_name)
++ return false;
++
++ const T *keyA = a.m_materialKeyOrig ? a.m_materialKeyOrig : &a.m_materialKeyCopy;
++ const T *keyB = b.m_materialKeyOrig ? b.m_materialKeyOrig : &b.m_materialKeyCopy;
++ if (!(*keyA == *keyB))
++ return false;
++
++ return (a.m_featuresOrig == b.m_featuresOrig);
++ }
++
++ typedef TShaderMapKey<QSSGShaderDefaultMaterialKey> QSSGShaderMapKey;
++ typedef TShaderMapKey<QSSGShaderParticleMaterialKey> QSSGParticleShaderMapKey;
++
++ inline size_t qHash(const QSSGShaderMapKey &key, size_t seed)
++ {
++ return key.m_hashCode ^ seed;
++ }
++
++ inline size_t qHash(const QSSGParticleShaderMapKey &key, size_t seed)
++ {
++ return key.m_hashCode ^ seed;
++ }
++
++ QT_END_NAMESPACE
++
++ #endif