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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 QT3DRENDER_RENDER_CLEARBUFFERS_P_H
#define QT3DRENDER_RENDER_CLEARBUFFERS_P_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 <Qt3DRender/private/framegraphnode_p.h>
#include <Qt3DRender/qclearbuffers.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
class FrameGraphManager;
class Q_3DRENDERSHARED_PRIVATE_EXPORT ClearBuffers : public FrameGraphNode
{
public:
ClearBuffers();
QClearBuffers::BufferType type() const;
float clearDepthValue() const;
int clearStencilValue() const;
Qt3DCore::QNodeId bufferId() const;
// in the backend we store this as a QVector4D, as the clearBuffer
// functions do support all float values (also those not clamped to [0,1])
// (for non-clamped float or int buffer types)
// we don't support this in the frontend yet, but let's keep our options for now
// and avoid QColor->QVector4D conversion every frame.
QVector4D clearColor() const;
// some clear operations only accept clamped values
QColor clearColorAsColor() const;
bool clearsAllColorBuffers() const;
void syncFromFrontEnd(const Qt3DCore::QNode *frontEnd, bool firstTime) override;
private:
QClearBuffers::BufferType m_type;
QColor m_clearColorAsColor;
QVector4D m_clearColor;
float m_clearDepthValue;
int m_clearStencilValue;
Qt3DCore::QNodeId m_colorBufferId;
};
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_RENDER_CLEARBUFFERS_P_H
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