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/******************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Charts module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#ifndef DECLARATIVERENDERNODE_P_H
#define DECLARATIVERENDERNODE_P_H
#include <QtCharts/QChartGlobal>
#include <private/glxyseriesdata_p.h>
#include <QtQuick/QSGSimpleTextureNode>
#include <QtQuick/QQuickWindow>
#include <QtGui/QOpenGLVertexArrayObject>
#include <QtGui/QOpenGLFunctions>
class QOpenGLFramebufferObject;
class QOpenGLBuffer;
QT_CHARTS_BEGIN_NAMESPACE
class DeclarativeRenderNode : public QObject, public QSGSimpleTextureNode, QOpenGLFunctions
{
Q_OBJECT
public:
DeclarativeRenderNode(QQuickWindow *window);
~DeclarativeRenderNode();
void initGL();
QSize textureSize() const { return m_textureSize; }
void setTextureSize(const QSize &size);
void setSeriesData(bool mapDirty, const GLXYDataMap &dataMap);
public Q_SLOTS:
void render();
private:
void renderGL();
void recreateFBO();
void cleanXYSeriesResources(const QXYSeries *series);
QSGTexture *m_texture;
QQuickWindow *m_window;
QQuickWindow::CreateTextureOptions m_textureOptions;
QSize m_textureSize;
bool m_recreateFbo;
GLXYDataMap m_xyDataMap;
QOpenGLFramebufferObject *m_fbo;
QOpenGLShaderProgram *m_program;
int m_shaderAttribLoc;
int m_colorUniformLoc;
int m_minUniformLoc;
int m_deltaUniformLoc;
int m_pointSizeUniformLoc;
QOpenGLVertexArrayObject m_vao;
QHash<const QAbstractSeries *, QOpenGLBuffer *> m_seriesBufferMap;
bool m_renderNeeded;
};
QT_CHARTS_END_NAMESPACE
#endif // DECLARATIVERENDERNODE_P_H
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