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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Charts module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL$
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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 https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 or (at your option) any later version
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** approved by the KDE Free Qt Foundation. The licenses are as published by
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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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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#include <QtGui/QOpenGLFramebufferObject>
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#include <QtGui/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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int m_matrixUniformLoc;
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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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