qsgabstractrenderer_p.h

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QSGABSTRACTRENDERER_P_H

#define QSGABSTRACTRENDERER_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 <QtQuick/private/qtquickglobal_p.h>

#include <QtQuick/qsgnode.h>

#include <QtCore/qobject.h>

#ifndef GLuint

#define GLuint uint

#endif

QT_BEGIN_NAMESPACE

class QSGAbstractRendererPrivate;

class Q_QUICK_EXPORT QSGAbstractRenderer : public QObject

    Q_OBJECT

public:

    enum MatrixTransformFlag

        MatrixTransformFlipY = 0x01

};

    Q_DECLARE_FLAGS(MatrixTransformFlags, MatrixTransformFlag)

    Q_FLAG(MatrixTransformFlags)

    ~QSGAbstractRenderer() override;

    void setRootNode(QSGRootNode *node);

    QSGRootNode *rootNode() const;

    void setDeviceRect(const QRect &rect);

    inline void setDeviceRect(const QSize &size) { setDeviceRect(QRect(QPoint(), size)); }

    QRect deviceRect() const;

    void setViewportRect(const QRect &rect);

    inline void setViewportRect(const QSize &size) { setViewportRect(QRect(QPoint(), size)); }

    QRect viewportRect() const;

    void setProjectionMatrixToRect(const QRectF &rect);

    void setProjectionMatrixToRect(const QRectF &rect, MatrixTransformFlags flags);

    void setProjectionMatrixToRect(const QRectF &rect, MatrixTransformFlags flags,

                                   bool nativeNDCFlipY);

    void setProjectionMatrix(const QMatrix4x4 &matrix, int index = 0);

    void setProjectionMatrixWithNativeNDC(const QMatrix4x4 &matrix, int index = 0);

    QMatrix4x4 projectionMatrix(int index) const;

    QMatrix4x4 projectionMatrixWithNativeNDC(int index) const;

    int projectionMatrixCount() const;

    int projectionMatrixWithNativeNDCCount() const;

    void setInvertFrontFace(bool invert);

    bool invertFrontFace() const;

    void setClearColor(const QColor &color);

    QColor clearColor() const;

    virtual void renderScene() = 0;

    virtual void prepareSceneInline();

    virtual void renderSceneInline();

Q_SIGNALS:

    void sceneGraphChanged();

protected:

    explicit QSGAbstractRenderer(QObject *parent = nullptr);

    virtual void nodeChanged(QSGNode *node, QSGNode::DirtyState state) = 0;

private:

    Q_DECLARE_PRIVATE(QSGAbstractRenderer)

    friend class QSGRootNode;

};

QT_END_NAMESPACE

#endif