File DataTextureMaterial.hpp¶

File List > materials > DataTextureMaterial.hpp

//
// SPDX-FileCopyrightText: 2026 Michal Grabarczyk
// SPDX-License-Identifier: GPL-3.0-only WITH Universal-FOSS-exception-1.0
//
// This file is also available under a separate commercial license.
// See COMMERCIAL-LICENSING.md for contact information.
//
#pragma once

#include "QAccelPlot/materials/DataTexture.hpp"

#include <QColor>
#include <QMatrix4x4>
#include <QQuickWindow>
#include <QSGMaterial>
#include <QSGTexture>
#include <QVector2D>

#include <memory>

namespace QAccelPlot {

class DataTextureMaterial : public QSGMaterial {
public:
    DataTextureMaterial();
    ~DataTextureMaterial() override = default;

    int compare(const QSGMaterial* other) const override;

    static bool writeCommonUniforms(char* buf, int bufSize, const QMatrix4x4& matrix, const DataTextureMaterial* mat);

    void uploadTexture(QQuickWindow* window, const float* data, int floatCount);

    static void commitTexture(QSGMaterialShader::RenderState& state, int binding, QSGTexture** texture, const DataTexture* data);

    static const QSGGeometry::AttributeSet& attributeSet();

    static const QSGGeometry::AttributeSet& vertexIndexAttributeSet();

    QSGTexture* sampledTexture() const;

protected:
    virtual int compareExtra(const QSGMaterial* other) const;

public:
    QColor color{Qt::blue};                 
    QVector2D domainMin{0.0f, 0.0f};        
    QVector2D domainMax{1.0f, 1.0f};        
    QVector2D viewportSize{800.0f, 600.0f}; 
    float logScaleX{0.0f};                  
    float logScaleY{0.0f};                  
    float useVertexColor{0.0f};             
    std::shared_ptr<DataTexture> dataTexture;
};

} // namespace QAccelPlot