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// Copyright (C) 2017 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 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 <rhi/qrhi.h>
#include <QQuickTextureFactory>
#include <QOpenGLFunctions>
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(QSG_LOG_TEXTUREIO);
class Q_QUICK_EXPORT QSGCompressedTexture : public QSGTexture
{
Q_OBJECT
public:
QSGCompressedTexture(const QTextureFileData& texData);
virtual ~QSGCompressedTexture();
QSize textureSize() const override;
bool hasAlphaChannel() const override;
bool hasMipmaps() const override;
qint64 comparisonKey() const override;
QRhiTexture *rhiTexture() const override;
void commitTextureOperations(QRhi *rhi, QRhiResourceUpdateBatch *resourceUpdates) override;
QTextureFileData textureData() const;
struct FormatInfo
{
QRhiTexture::Format rhiFormat;
bool isSRGB;
};
static FormatInfo formatInfo(quint32 glTextureFormat);
static bool formatIsOpaque(quint32 glTextureFormat);
protected:
QTextureFileData m_textureData;
QSize m_size;
QRhiTexture *m_texture = nullptr;
bool m_hasAlpha = false;
bool m_uploaded = false;
};
namespace QSGOpenGLAtlasTexture {
class Manager;
}
class Q_QUICK_EXPORT QSGCompressedTextureFactory : public QQuickTextureFactory
{
public:
QSGCompressedTextureFactory(const QTextureFileData& texData);
QSGTexture *createTexture(QQuickWindow *) const override;
int textureByteCount() const override;
QSize textureSize() const override;
const QTextureFileData *textureData() const { return &m_textureData; }
protected:
QTextureFileData m_textureData;
};
QT_END_NAMESPACE
#endif // QSGCOMPRESSEDTEXTURE_P_H
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