qsgplaintexture_p.h

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// Copyright (C) 2019 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

#ifndef QSGPLAINTEXTURE_P_H

#define QSGPLAINTEXTURE_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/private/qsgtexture_p.h>

#include <QtQuick/private/qquickwindow_p.h>

QT_BEGIN_NAMESPACE

class QSGPlainTexturePrivate;

class Q_QUICK_EXPORT QSGPlainTexture : public QSGTexture

    Q_OBJECT

    Q_DECLARE_PRIVATE(QSGPlainTexture)

public:

    QSGPlainTexture();

    ~QSGPlainTexture() override;

    void setOwnsTexture(bool owns) { m_owns_texture = owns; }

    bool ownsTexture() const { return m_owns_texture; }

    void setTextureSize(const QSize &size) { m_texture_size = size; }

    QSize textureSize() const override { return m_texture_size; }

    void setHasAlphaChannel(bool alpha) { m_has_alpha = alpha; }

    bool hasAlphaChannel() const override { return m_has_alpha; }

    bool hasMipmaps() const override { return mipmapFiltering() != QSGTexture::None; }

    void setImage(const QImage &image);

    const QImage &image() { return m_image; }

    qint64 comparisonKey() const override;

    QRhiTexture *rhiTexture() const override;

    void commitTextureOperations(QRhi *rhi, QRhiResourceUpdateBatch *resourceUpdates) override;

    void setTexture(QRhiTexture *texture);

    void setTextureFromNativeTexture(QRhi *rhi,

                                     quint64 nativeObjectHandle,

                                     int nativeLayoutOrState,

                                     uint nativeFormat,

                                     const QSize &size,

                                     QQuickWindow::CreateTextureOptions options,

                                     QQuickWindowPrivate::TextureFromNativeTextureFlags flags);

    static QSGPlainTexture *fromImage(const QImage &image) {

        QSGPlainTexture *t = new QSGPlainTexture();

        t->setImage(image);

        return t;

protected:

    QSGPlainTexture(QSGPlainTexturePrivate &dd);

    QImage m_image;

    QSize m_texture_size;

    QRectF m_texture_rect;

    QRhiTexture *m_texture;

    uint m_has_alpha : 1;

    uint m_dirty_texture : 1;

    uint m_dirty_bind_options : 1; // legacy (GL-only)

    uint m_owns_texture : 1;

    uint m_mipmaps_generated : 1;

    uint m_retain_image : 1;

    uint m_mipmap_warned : 1; // RHI only

};

class QSGPlainTexturePrivate : public QSGTexturePrivate

    Q_DECLARE_PUBLIC(QSGPlainTexture)

public:

    QSGPlainTexturePrivate(QSGTexture *t) : QSGTexturePrivate(t) { }

    QSGTexture::Filtering m_last_mipmap_filter = QSGTexture::None;

};

QT_END_NAMESPACE

#endif // QSGPLAINTEXTURE_P_H