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// Copyright (C) 2016 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 QSGABSTRACTRENDERER_P_H
#define QSGABSTRACTRENDERER_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 <QtQuick/private/qtquickglobal_p.h>
#include <QtQuick/qsgnode.h>
#include <QtCore/qobject.h>
#ifndef GLuint
#define GLuint uint
#endif
QT_BEGIN_NAMESPACE
class QSGAbstractRendererPrivate;
class Q_QUICK_EXPORT QSGAbstractRenderer : public QObject
{
Q_OBJECT
public:
enum MatrixTransformFlag
{
MatrixTransformFlipY = 0x01
};
Q_DECLARE_FLAGS(MatrixTransformFlags, MatrixTransformFlag)
Q_FLAG(MatrixTransformFlags)
~QSGAbstractRenderer() override;
void setRootNode(QSGRootNode *node);
QSGRootNode *rootNode() const;
void setDeviceRect(const QRect &rect);
inline void setDeviceRect(const QSize &size) { setDeviceRect(QRect(QPoint(), size)); }
QRect deviceRect() const;
void setViewportRect(const QRect &rect);
inline void setViewportRect(const QSize &size) { setViewportRect(QRect(QPoint(), size)); }
QRect viewportRect() const;
void setProjectionMatrixToRect(const QRectF &rect);
void setProjectionMatrixToRect(const QRectF &rect, MatrixTransformFlags flags);
void setProjectionMatrixToRect(const QRectF &rect, MatrixTransformFlags flags,
bool nativeNDCFlipY);
void setProjectionMatrix(const QMatrix4x4 &matrix, int index = 0);
void setProjectionMatrixWithNativeNDC(const QMatrix4x4 &matrix, int index = 0);
QMatrix4x4 projectionMatrix(int index) const;
QMatrix4x4 projectionMatrixWithNativeNDC(int index) const;
int projectionMatrixCount() const;
int projectionMatrixWithNativeNDCCount() const;
void setClearColor(const QColor &color);
QColor clearColor() const;
virtual void renderScene() = 0;
virtual void prepareSceneInline();
virtual void renderSceneInline();
Q_SIGNALS:
void sceneGraphChanged();
protected:
explicit QSGAbstractRenderer(QObject *parent = nullptr);
virtual void nodeChanged(QSGNode *node, QSGNode::DirtyState state) = 0;
private:
Q_DECLARE_PRIVATE(QSGAbstractRenderer)
friend class QSGRootNode;
};
QT_END_NAMESPACE
#endif
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