qt-everywhere-src-5.15.1/qtdatavis3d/src/datavisualization/engine/surfaceseriesrendercache.cpp

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** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
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** This file is part of the Qt Data Visualization module of the Qt Toolkit.
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#include "surfaceseriesrendercache_p.h"
#include "surface3drenderer_p.h"
#include "texturehelper_p.h"

QT_BEGIN_NAMESPACE_DATAVISUALIZATION

SurfaceSeriesRenderCache::SurfaceSeriesRenderCache(QAbstract3DSeries *series,
                                                   Surface3DRenderer *renderer)
    : SeriesRenderCache(series, renderer),
      m_surfaceVisible(false),
      m_surfaceGridVisible(false),
      m_surfaceFlatShading(false),
      m_surfaceObj(new SurfaceObject(renderer)),
      m_sliceSurfaceObj(new SurfaceObject(renderer)),
      m_sampleSpace(QRect(0, 0, 0, 0)),
      m_selectionTexture(0),
      m_selectionIdStart(0),
      m_selectionIdEnd(0),
      m_flatChangeAllowed(true),
      m_flatStatusDirty(true),
      m_sliceSelectionPointer(0),
      m_mainSelectionPointer(0),
      m_slicePointerActive(false),
      m_mainPointerActive(false),
      m_surfaceTexture(0)
{
}

SurfaceSeriesRenderCache::~SurfaceSeriesRenderCache()
{
}

void SurfaceSeriesRenderCache::populate(bool newSeries)
{
    SeriesRenderCache::populate(newSeries);

    QSurface3DSeries::DrawFlags drawMode = series()->drawMode();
    m_surfaceVisible = drawMode.testFlag(QSurface3DSeries::DrawSurface);
    m_surfaceGridVisible = drawMode.testFlag(QSurface3DSeries::DrawWireframe);
    if (m_flatChangeAllowed && m_surfaceFlatShading != series()->isFlatShadingEnabled()) {
        m_surfaceFlatShading = series()->isFlatShadingEnabled();
        m_flatStatusDirty = true;
    }
}

void SurfaceSeriesRenderCache::cleanup(TextureHelper *texHelper)
{
    if (QOpenGLContext::currentContext()) {
        texHelper->deleteTexture(&m_selectionTexture);
        texHelper->deleteTexture(&m_surfaceTexture);
    }

    delete m_surfaceObj;
    delete m_sliceSurfaceObj;
    for (int i = 0; i < m_dataArray.size(); i++)
        delete m_dataArray.at(i);
    m_dataArray.clear();

    for (int i = 0; i < m_sliceDataArray.size(); i++)
        delete m_sliceDataArray.at(i);
    m_sliceDataArray.clear();

    delete m_sliceSelectionPointer;
    delete m_mainSelectionPointer;

    SeriesRenderCache::cleanup(texHelper);
}

QT_END_NAMESPACE_DATAVISUALIZATION