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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
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**
**
****************************************************************************/
#ifndef QSGCOMPRESSEDTEXTURE_P_H
#define QSGCOMPRESSEDTEXTURE_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 <private/qtexturefiledata_p.h>
#include <private/qsgcontext_p.h>
#include <private/qsgtexture_p.h>
#include <QQuickTextureFactory>
#include <QOpenGLFunctions>
QT_BEGIN_NAMESPACE
class QSGCompressedTexturePrivate;
class Q_QUICK_PRIVATE_EXPORT QSGCompressedTexture : public QSGTexture
{
Q_DECLARE_PRIVATE(QSGCompressedTexture)
Q_OBJECT
public:
QSGCompressedTexture(const QTextureFileData& texData);
virtual ~QSGCompressedTexture();
QSize textureSize() const override;
bool hasAlphaChannel() const override;
bool hasMipmaps() const override;
int textureId() const override;
void bind() override;
QTextureFileData textureData() const;
static bool formatIsOpaque(quint32 glTextureFormat);
protected:
QTextureFileData m_textureData;
QSize m_size;
mutable uint m_textureId = 0;
QRhiTexture *m_texture = nullptr;
bool m_hasAlpha = false;
bool m_uploaded = false;
};
namespace QSGOpenGLAtlasTexture {
class Manager;
}
class QSGCompressedTexturePrivate : public QSGTexturePrivate
{
Q_DECLARE_PUBLIC(QSGCompressedTexture)
public:
int comparisonKey() const override;
QRhiTexture *rhiTexture() const override;
void updateRhiTexture(QRhi *rhi, QRhiResourceUpdateBatch *resourceUpdates) override;
};
class Q_QUICK_PRIVATE_EXPORT QSGCompressedTextureFactory : public QQuickTextureFactory
{
public:
QSGCompressedTextureFactory(const QTextureFileData& texData);
QSGTexture *createTexture(QQuickWindow *) const override;
int textureByteCount() const override;
QSize textureSize() const override;
protected:
QTextureFileData m_textureData;
private:
friend class QSGOpenGLAtlasTexture::Manager;
};
QT_END_NAMESPACE
#endif // QSGCOMPRESSEDTEXTURE_P_H
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