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// Copyright (C) 2018 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 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 <QtQuick/QSGTexture>
#include <QtQuick/private/qsgareaallocator_p.h>
#include <QtQuick/private/qsgrhiatlastexture_p.h>
QT_BEGIN_NAMESPACE
class QSGCompressedTextureFactory;
namespace QSGCompressedAtlasTexture {
class Texture;
class Atlas : public QSGRhiAtlasTexture::AtlasBase
{
public:
Atlas(QSGDefaultRenderContext *rc, const QSize &size, uint format);
~Atlas();
bool generateTexture() override;
void enqueueTextureUpload(QSGRhiAtlasTexture::TextureBase *t,
QRhiResourceUpdateBatch *rcub) override;
Texture *create(QByteArrayView data, const QSize &size);
uint format() const { return m_format; }
private:
uint m_format;
};
class Texture : public QSGRhiAtlasTexture::TextureBase
{
Q_OBJECT
public:
Texture(Atlas *atlas, const QRect &textureRect, QByteArrayView data, 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(QRhiResourceUpdateBatch *) const override;
const QByteArray &data() const { return m_data; }
int sizeInBytes() const { return m_data.size(); }
private:
QRectF m_texture_coords_rect;
mutable QSGTexture *m_nonatlas_texture;
QByteArray m_data;
QSize m_size;
};
}
QT_END_NAMESPACE
#endif
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