qquick3dquadtextureprovider_p.h

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// Copyright (C) 2026 The Qt Company Ltd.

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

#ifndef QQUICK3DQUADTEXTUREPROVIDER_P_H

#define QQUICK3DQUADTEXTUREPROVIDER_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 <QQuick3DTextureProviderExtension>

#include <QQuick3DTextureData>

#include <QtQuick3D/private/qquick3dshaderutils_p.h>

QT_BEGIN_NAMESPACE

class QSSGQuadTextureProvider;

class QQuick3DQuadTextureProvider : public QQuick3DTextureProviderExtension, public QQuick3DPropertyChangedTracker

    Q_OBJECT

    Q_PROPERTY(QUrl fragmentShader READ fragmentShader WRITE setFragmentShader NOTIFY fragmentShaderChanged FINAL REVISION(6, 12))

    Q_PROPERTY(QString fragmentShaderCode READ fragmentShaderCode WRITE setFragmentShaderCode NOTIFY

                       fragmentShaderCodeChanged FINAL REVISION(6, 12))

    Q_PROPERTY(int width READ width WRITE setWidth NOTIFY widthChanged FINAL REVISION(6, 12))

    Q_PROPERTY(int height READ height WRITE setHeight NOTIFY heightChanged FINAL REVISION(6, 12))

    Q_PROPERTY(QQuick3DTextureData::Format format READ format WRITE setFormat NOTIFY formatChanged FINAL REVISION(6, 12))

    QML_NAMED_ELEMENT(QuadTextureProvider)

    QML_ADDED_IN_VERSION(6, 12)

public:

    explicit QQuick3DQuadTextureProvider(QQuick3DObject *parent = nullptr);

    ~QQuick3DQuadTextureProvider() override;

    Q_REVISION(6,12) QUrl fragmentShader() const;

    Q_REVISION(6,12) void setFragmentShader(const QUrl &newFragmentShader);

    Q_REVISION(6,12) QString fragmentShaderCode() const;

    Q_REVISION(6,12) void setFragmentShaderCode(const QString &newFragmentShaderCode);

    Q_REVISION(6,12) int width() const;

    Q_REVISION(6,12) void setWidth(int newWidth);

    Q_REVISION(6,12) int height() const;

    Q_REVISION(6,12) void setHeight(int newHeight);

    Q_REVISION(6,12) QQuick3DTextureData::Format format() const;

    Q_REVISION(6,12) void setFormat(QQuick3DTextureData::Format newFormat);

signals:

    void fragmentShaderChanged();

    void fragmentShaderCodeChanged();

    void widthChanged();

    void heightChanged();

    void formatChanged();

protected:

    QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override;

    void markTrackedPropertyDirty(QMetaProperty property, DirtyPropertyHint hint) override;

private:

    QUrl m_fragmentShader;

    QString m_fragmentShaderCode;

    int m_width = 128;

    int m_height = 128;

    QQuick3DTextureData::Format m_format = QQuick3DTextureData::Format::RGBA16F;

    enum Dirty : quint8 {

        Dimensions      = 1 << 0,

        TrackedProperty = 1 << 1,

        Format          = 1 << 2,

        FragmentShader  = 1 << 3

};

    using DirtyT = std::underlying_type_t<Dirty>;

    void markDirty(Dirty v);

    DirtyT m_dirtyFlag { 0xff };

    friend QSSGQuadTextureProvider;

};

QT_END_NAMESPACE

#endif // QQUICK3DQUADTEXTUREPROVIDER_P_H