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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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#ifndef QSGCOMPRESSEDATLASTEXTURE_P_H
#define QSGCOMPRESSEDATLASTEXTURE_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 <QtCore/QSize>
#include <QtGui/qopengl.h>
#include <QtQuick/QSGTexture>
#include <QtQuick/private/qsgareaallocator_p.h>
#include <QtQuick/private/qsgopenglatlastexture_p.h>
QT_BEGIN_NAMESPACE
class QSGCompressedTextureFactory;
namespace QSGCompressedAtlasTexture {
class Texture;
class Atlas : public QSGOpenGLAtlasTexture::AtlasBase
{
public:
Atlas(const QSize &size, uint format);
~Atlas();
void generateTexture() override;
void uploadPendingTexture(int i) override;
Texture *create(const QByteArray &data, int dataLength, int dataOffset, const QSize &size, const QSize &paddedSize);
uint format() const { return m_format; }
private:
uint m_format;
};
class Texture : public QSGOpenGLAtlasTexture::TextureBase
{
Q_OBJECT
public:
Texture(Atlas *atlas, const QRect &textureRect, const QByteArray &data, int dataLength, int dataOffset, const QSize &size);
~Texture();
QSize textureSize() const override { return m_size; }
bool hasAlphaChannel() const override;
bool hasMipmaps() const override { return false; }
QRectF normalizedTextureSubRect() const override { return m_texture_coords_rect; }
QSGTexture *removedFromAtlas() const override;
const QByteArray &data() const { return m_data; }
int sizeInBytes() const { return m_dataLength; }
int dataOffset() const { return m_dataOffset; }
private:
QRectF m_texture_coords_rect;
mutable QSGTexture *m_nonatlas_texture;
QByteArray m_data;
QSize m_size;
int m_dataLength;
int m_dataOffset;
};
}
QT_END_NAMESPACE
#endif
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