Revision control
++ // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
++ // Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #ifndef QT3DRENDER_RENDER_GENERICSTATE_H
++ #define QT3DRENDER_RENDER_GENERICSTATE_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists for the convenience
++ // of other Qt classes. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <Qt3DRender/private/backendnode_p.h>
++ #include <Qt3DCore/private/qresourcemanager_p.h>
++ #include <Qt3DRender/private/statemask_p.h>
++ #include <Qt3DRender/private/qt3drender_global_p.h>
++ //#include <Qt3DRender/private/statevariant_p.h>
++ #include <QList>
++ #include <QVector3D>
++ #include <QOpenGLContext>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DRender {
++
++ class QRenderState;
++
++ namespace Render {
++
++ class GraphicsContext;
++
++ typedef quint64 StateMaskSet;
++
++ class Q_3DRENDERSHARED_PRIVATE_EXPORT RenderStateImpl
++ {
++ public:
++ virtual ~RenderStateImpl() {}
++
++ virtual StateMask mask() const = 0;
++ virtual bool equalTo(const RenderStateImpl &renderState) const = 0;
++ virtual void updateProperties(const QRenderState *);
++ };
++
++ template <class StateSetImpl, StateMask stateMask, typename ... T>
++ class GenericState : public RenderStateImpl
++ {
++ public:
++ GenericState *set(T... values)
++ {
++ m_values = std::tuple<T ...>(values...);
++ return this;
++ }
++
++ bool equalTo(const RenderStateImpl &renderState) const override
++ {
++ const GenericState *other = static_cast<const GenericState*>(&renderState);
++ return (other != nullptr && other->m_values == m_values);
++ }
++
++ StateMask mask() const override
++ {
++ return GenericState::type();
++ }
++
++ static StateMask type()
++ {
++ return stateMask;
++ }
++
++ std::tuple<T ...> values() const
++ {
++ return m_values;
++ }
++
++ protected:
++ std::tuple<T ...> m_values;
++ };
++
++ } // namespace Render
++ } // namespace Qt3DRender
++
++ QT_END_NAMESPACE
++
++ #endif // QT3DRENDER_RENDER_GENERICSTATE_H