File indexing completed on 2024-05-12 07:52:10

 /*
  * This file is part of KQuickCharts
  * SPDX-FileCopyrightText: 2019 Arjen Hiemstra <ahiemstra@heimr.nl>
  *
  * SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
  */
 
 #include "LineChartMaterial.h"
 
 LineChartMaterial::LineChartMaterial()
 {
     setFlag(QSGMaterial::Blending);
 }
 
 LineChartMaterial::~LineChartMaterial()
 {
 }
 
 QSGMaterialType *LineChartMaterial::type() const
 {
     static QSGMaterialType type;
     return &type;
 }
 
 QSGMaterialShader *LineChartMaterial::createShader(QSGRendererInterface::RenderMode) const
 {
     return new LineChartShader();
 }
 
 int LineChartMaterial::compare(const QSGMaterial *other) const
 {
     auto material = static_cast<const LineChartMaterial *>(other);
 
     /* clang-format off */
     if (qFuzzyCompare(material->aspect, aspect)
         && qFuzzyCompare(material->lineWidth, lineWidth)
         && qFuzzyCompare(material->smoothing, smoothing)) { /* clang-format on */
         return 0;
     }
 
     return QSGMaterial::compare(other);
 }
 
 LineChartShader::LineChartShader()
 {
     setShaders(QStringLiteral("linechart.vert"), QStringLiteral("linechart.frag"));
 }
 
 LineChartShader::~LineChartShader()
 {
 }
 
 bool LineChartShader::updateUniformData(QSGMaterialShader::RenderState &state, QSGMaterial *newMaterial, QSGMaterial *oldMaterial)
 {
     bool changed = false;
     UniformDataStream uniformData(state);
 
     if (state.isMatrixDirty()) {
         uniformData << state.combinedMatrix();
         changed = true;
     } else {
         uniformData.skip<QMatrix4x4>();
     }
 
     if (state.isOpacityDirty()) {
         uniformData << state.opacity();
         changed = true;
     } else {
         uniformData.skip<float>();
     }
 
     if (!oldMaterial || newMaterial->compare(oldMaterial) != 0) {
         const auto material = static_cast<LineChartMaterial *>(newMaterial);
         uniformData << material->lineWidth;
         uniformData << material->aspect;
         uniformData << material->smoothing;
         changed = true;
     }
 
     return changed;
 }