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// Copyright (C) 2015 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 QT3DRENDER_RENDER_BUFFER_H
#define QT3DRENDER_RENDER_BUFFER_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore>
#include <Qt3DRender/private/backendnode_p.h>
#include <Qt3DCore/qbuffer.h>
QT_BEGIN_NAMESPACE
namespace Qt3DCore {
struct QBufferUpdate;
}
namespace Qt3DRender {
namespace Render {
class BufferManager;
class Q_3DRENDERSHARED_PRIVATE_EXPORT Buffer : public BackendNode
{
public:
Buffer();
~Buffer();
void cleanup();
void syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) override;
void setManager(BufferManager *manager);
void updateDataFromGPUToCPU(QByteArray data);
inline Qt3DCore::QBuffer::UsageType usage() const { return m_usage; }
inline QByteArray data() const { return m_data; }
inline std::vector<Qt3DCore::QBufferUpdate> &pendingBufferUpdates() { return m_bufferUpdates; }
inline bool isDirty() const { return m_bufferDirty; }
inline Qt3DCore::QBuffer::AccessType access() const { return m_access; }
void unsetDirty();
private:
void forceDataUpload();
Qt3DCore::QBuffer::UsageType m_usage;
QByteArray m_data;
std::vector<Qt3DCore::QBufferUpdate> m_bufferUpdates;
bool m_bufferDirty;
Qt3DCore::QBuffer::AccessType m_access;
BufferManager *m_manager;
};
class BufferFunctor : public Qt3DCore::QBackendNodeMapper
{
public:
explicit BufferFunctor(AbstractRenderer *renderer, BufferManager *manager);
Qt3DCore::QBackendNode *create(Qt3DCore::QNodeId id) const override;
Qt3DCore::QBackendNode *get(Qt3DCore::QNodeId id) const override;
void destroy(Qt3DCore::QNodeId id) const override;
private:
BufferManager *m_manager;
AbstractRenderer *m_renderer;
};
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_RENDER_BUFFER_H
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