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