| 1 | // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
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| 2 | // Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies). |
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| 3 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 4 | |
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| 5 | #ifndef QT3DRENDER_RENDER_GENERICSTATE_H |
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| 6 | #define QT3DRENDER_RENDER_GENERICSTATE_H |
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| 7 | |
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| 8 | // |
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| 9 | // W A R N I N G |
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| 10 | // ------------- |
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| 11 | // |
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| 12 | // This file is not part of the Qt API. It exists for the convenience |
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| 13 | // of other Qt classes. This header file may change from version to |
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| 14 | // version without notice, or even be removed. |
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| 15 | // |
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| 16 | // We mean it. |
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| 17 | // |
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| 18 | |
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| 19 | #include <Qt3DRender/private/backendnode_p.h> |
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| 20 | #include <Qt3DCore/private/qresourcemanager_p.h> |
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| 21 | #include <Qt3DRender/private/statemask_p.h> |
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| 22 | #include <Qt3DRender/private/qt3drender_global_p.h> |
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| 23 | //#include <Qt3DRender/private/statevariant_p.h> |
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| 24 | #include <QList> |
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| 25 | #include <QVector3D> |
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| 26 | #include <QOpenGLContext> |
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| 27 | |
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| 28 | QT_BEGIN_NAMESPACE |
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| 29 | |
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| 30 | namespace Qt3DRender { |
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| 31 | |
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| 32 | class QRenderState; |
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| 33 | |
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| 34 | namespace Render { |
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| 35 | |
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| 36 | class GraphicsContext; |
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| 37 | |
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| 38 | typedef quint64 StateMaskSet; |
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| 39 | |
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| 40 | class Q_3DRENDERSHARED_PRIVATE_EXPORT RenderStateImpl |
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| 41 | { |
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| 42 | public: |
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| 43 | virtual ~RenderStateImpl() {} |
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| 44 | |
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| 45 | virtual StateMask mask() const = 0; |
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| 46 | virtual bool equalTo(const RenderStateImpl &renderState) const = 0; |
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| 47 | virtual void updateProperties(const QRenderState *); |
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| 48 | }; |
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| 49 | |
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| 50 | template <class StateSetImpl, StateMask stateMask, typename ... T> |
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| 51 | class GenericState : public RenderStateImpl |
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| 52 | { |
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| 53 | public: |
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| 54 | GenericState *set(T... values) |
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| 55 | { |
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| 56 | m_values = std::tuple<T ...>(values...); |
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| 57 | return this; |
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| 58 | } |
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| 59 | |
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| 60 | bool equalTo(const RenderStateImpl &renderState) const override |
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| 61 | { |
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| 62 | const GenericState *other = static_cast<const GenericState*>(&renderState); |
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| 63 | return (other != nullptr && other->m_values == m_values); |
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| 64 | } |
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| 65 | |
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| 66 | StateMask mask() const override |
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| 67 | { |
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| 68 | return GenericState::type(); |
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| 69 | } |
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| 70 | |
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| 71 | static StateMask type() |
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| 72 | { |
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| 73 | return stateMask; |
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| 74 | } |
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| 75 | |
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| 76 | std::tuple<T ...> values() const |
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| 77 | { |
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| 78 | return m_values; |
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| 79 | } |
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| 80 | |
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| 81 | protected: |
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| 82 | std::tuple<T ...> m_values; |
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| 83 | }; |
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| 84 | |
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| 85 | } // namespace Render |
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| 86 | } // namespace Qt3DRender |
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| 87 | |
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| 88 | QT_END_NAMESPACE |
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| 89 | |
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| 90 | #endif // QT3DRENDER_RENDER_GENERICSTATE_H |
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| 91 | |
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