qquick3drenderoutputprovider_p.h

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// Copyright (C) 2025 The Qt Company Ltd.

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

// Qt-Security score:significant reason:default

#ifndef QQUICK3DRENDEROUTPUTPROVIDER_P_H

#define QQUICK3DRENDEROUTPUTPROVIDER_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 <QtQuick3DHelpers/qtquick3dhelpersexports.h>

#include <QQuick3DTextureProviderExtension>

#include <QQmlEngine>

#include <QtQuick3D/private/qquick3drenderpass_p.h>

QT_BEGIN_NAMESPACE

class Q_QUICK3DHELPERS_EXPORT QQuick3DRenderOutputProvider : public QQuick3DTextureProviderExtension

    Q_OBJECT

    Q_PROPERTY(TextureSource textureSource READ textureSource WRITE setTextureSource NOTIFY textureSourceChanged FINAL)

    Q_PROPERTY(QQuick3DRenderPass *renderPass READ renderPass WRITE setRenderPass NOTIFY renderPassChanged FINAL)

    Q_PROPERTY(AttachmentSelector attachmentSelector READ attachmentSelector WRITE setAttachmentSelector NOTIFY attachmentSelectorChanged FINAL)

    QML_NAMED_ELEMENT(RenderOutputProvider)

    QML_ADDED_IN_VERSION(6, 11)

public:

    enum class TextureSource : quint32

        None = 0,

        UserPassTexture = 1,

        AoTexture,

        DepthTexture,

        ScreenTexture,

        NormalTexture,

        MotionVectorTexture,

};

    Q_ENUM(TextureSource)

    enum class AttachmentSelector : quint32

        Attachment0 = 0,

        Attachment1 = 1,

        Attachment2 = 2,

        Attachment3 = 3,

};

    Q_ENUM(AttachmentSelector)

    explicit QQuick3DRenderOutputProvider(QQuick3DObject *parent = nullptr);

    TextureSource textureSource() const;

    void setTextureSource(TextureSource newTextureSource);

    QQuick3DRenderPass *renderPass() const;

    void setRenderPass(QQuick3DRenderPass *newRenderPass);

    AttachmentSelector attachmentSelector() const;

    void setAttachmentSelector(AttachmentSelector newAttachmentSelector);

signals:

    void textureSourceChanged();

    void renderPassChanged();

    void attachmentSelectorChanged();

protected:

    QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override;

    void markAllDirty() override;

private:

    enum DirtyType : quint32 {

        TextureSourceDirty = 0x1,

        UserPassTextureDirty = 0x2,

};

    using DirtyTypeT = std::underlying_type_t<DirtyType>;

    static constexpr DirtyTypeT AllDirty = 0xffffffff;

    QQuick3DRenderPass *m_renderPass = nullptr;

    TextureSource m_textureSource = TextureSource::None;

    DirtyTypeT m_dirtyAttributes = AllDirty;

    void markDirty(DirtyType type);

    QString m_userPassKey;

    AttachmentSelector m_attachmentSelector { AttachmentSelector::Attachment0 };

};

QT_END_NAMESPACE

#endif // QQUICK3DRENDEROUTPUTPROVIDER_P_H