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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 QSGTEXTURE_H
#define QSGTEXTURE_H
#include <QtQuick/qtquickglobal.h>
#include <QtCore/qobject.h>
#include <QtGui/qimage.h>
#include <QtQuick/qsgtexture_platform.h>
QT_BEGIN_NAMESPACE
class QSGTexturePrivate;
class QRhi;
class QRhiTexture;
class QRhiResourceUpdateBatch;
class Q_QUICK_EXPORT QSGTexture : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QSGTexture)
public:
QSGTexture();
~QSGTexture() override;
enum WrapMode {
Repeat,
ClampToEdge,
MirroredRepeat
};
enum Filtering {
None,
Nearest,
Linear
};
enum AnisotropyLevel {
AnisotropyNone,
Anisotropy2x,
Anisotropy4x,
Anisotropy8x,
Anisotropy16x
};
virtual qint64 comparisonKey() const = 0;
virtual QRhiTexture *rhiTexture() const;
virtual QSize textureSize() const = 0;
virtual bool hasAlphaChannel() const = 0;
virtual bool hasMipmaps() const = 0;
virtual QRectF normalizedTextureSubRect() const;
virtual bool isAtlasTexture() const;
virtual QSGTexture *removedFromAtlas(QRhiResourceUpdateBatch *resourceUpdates = nullptr) const;
virtual void commitTextureOperations(QRhi *rhi, QRhiResourceUpdateBatch *resourceUpdates);
void setMipmapFiltering(Filtering filter);
QSGTexture::Filtering mipmapFiltering() const;
void setFiltering(Filtering filter);
QSGTexture::Filtering filtering() const;
void setAnisotropyLevel(AnisotropyLevel level);
QSGTexture::AnisotropyLevel anisotropyLevel() const;
void setHorizontalWrapMode(WrapMode hwrap);
QSGTexture::WrapMode horizontalWrapMode() const;
void setVerticalWrapMode(WrapMode vwrap);
QSGTexture::WrapMode verticalWrapMode() const;
inline QRectF convertToNormalizedSourceRect(const QRectF &rect) const;
QT_DECLARE_NATIVE_INTERFACE_ACCESSOR(QSGTexture)
protected:
QSGTexture(QSGTexturePrivate &dd);
};
QRectF QSGTexture::convertToNormalizedSourceRect(const QRectF &rect) const
{
QSize s = textureSize();
QRectF r = normalizedTextureSubRect();
qreal sx = r.width() / s.width();
qreal sy = r.height() / s.height();
return QRectF(r.x() + rect.x() * sx,
r.y() + rect.y() * sy,
rect.width() * sx,
rect.height() * sy);
}
class Q_QUICK_EXPORT QSGDynamicTexture : public QSGTexture
{
Q_OBJECT
public:
QSGDynamicTexture() = default;
virtual bool updateTexture() = 0;
protected:
QSGDynamicTexture(QSGTexturePrivate &dd);
};
QT_END_NAMESPACE
#endif
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