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++ // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #ifndef QT3DCORE_QBUFFER_H
++ #define QT3DCORE_QBUFFER_H
++
++ #include <Qt3DCore/qnode.h>
++ #include <Qt3DCore/qt3dcore_global.h>
++ #include <QtCore/QSharedPointer>
++
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DCore {
++
++ class QBufferPrivate;
++
++ class Q_3DCORESHARED_EXPORT QBuffer : public Qt3DCore::QNode
++ {
++ Q_OBJECT
++ Q_PROPERTY(UsageType usage READ usage WRITE setUsage NOTIFY usageChanged)
++ Q_PROPERTY(AccessType accessType READ accessType WRITE setAccessType NOTIFY accessTypeChanged QT3D_PROPERTY_REVISION(2, 9))
++
++ public:
++ enum UsageType
++ {
++ StreamDraw = 0x88E0, // GL_STREAM_DRAW
++ StreamRead = 0x88E1, // GL_STREAM_READ
++ StreamCopy = 0x88E2, // GL_STREAM_COPY
++ StaticDraw = 0x88E4, // GL_STATIC_DRAW
++ StaticRead = 0x88E5, // GL_STATIC_READ
++ StaticCopy = 0x88E6, // GL_STATIC_COPY
++ DynamicDraw = 0x88E8, // GL_DYNAMIC_DRAW
++ DynamicRead = 0x88E9, // GL_DYNAMIC_READ
++ DynamicCopy = 0x88EA // GL_DYNAMIC_COPY
++ };
++ Q_ENUM(UsageType) // LCOV_EXCL_LINE
++
++ enum AccessType {
++ Write = 0x1,
++ Read = 0x2,
++ ReadWrite = Write|Read
++ };
++ Q_ENUM(AccessType) // LCOV_EXCL_LINE
++
++ explicit QBuffer(Qt3DCore::QNode *parent = nullptr);
++ ~QBuffer();
++
++ UsageType usage() const;
++ AccessType accessType() const;
++
++ void setData(const QByteArray &bytes);
++ QByteArray data() const;
++
++ Q_INVOKABLE void updateData(int offset, const QByteArray &bytes);
++
++ public Q_SLOTS:
++ void setUsage(UsageType usage);
++ void setAccessType(AccessType access);
++
++ Q_SIGNALS:
++ void dataChanged(const QByteArray &bytes);
++ void usageChanged(UsageType usage);
++ void accessTypeChanged(AccessType access);
++ void dataAvailable();
++
++ private:
++ Q_DECLARE_PRIVATE(QBuffer)
++ };
++
++ } // namespace Qt3DCore
++
++ QT_END_NAMESPACE
++
++ #endif // QT3DCORE_QBUFFER_H