qgstexturematerial.h

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/***************************************************************************
  qgstexturematerial.h
  --------------------------------------
  Date                 : March 2024
  Copyright            : (C) 2024 by Jean Felder
  Email                : jean dot felder at oslandia dot com
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSTEXTUREMATERIAL_H
#define QGSTEXTUREMATERIAL_H
 
#include "qgis_3d.h"
 
#include <Qt3DRender/QMaterial>
#include <QObject>
 
#define SIP_NO_FILE
 
// adapted from Qt's qtexturematerial.h
namespace Qt3DRender
{
 
  class QFilterKey;
  class QAbstractTexture;
  class QTechnique;
  class QParameter;
  class QShaderProgram;
  class QRenderPass;
 
} // namespace Qt3DRender
 
 
class _3D_EXPORT QgsTextureMaterial : public Qt3DRender::QMaterial
{
    Q_OBJECT
    Q_PROPERTY( Qt3DRender::QAbstractTexture *texture READ texture WRITE setTexture NOTIFY textureChanged )
 
  public:
 
    explicit QgsTextureMaterial( Qt3DCore::QNode *parent = nullptr );
    ~QgsTextureMaterial() override;
 
    Qt3DRender::QAbstractTexture *texture() const;
 
  public Q_SLOTS:
 
    void setTexture( Qt3DRender::QAbstractTexture *texture );
 
  Q_SIGNALS:
    void textureChanged( Qt3DRender::QAbstractTexture *texture );
 
  private:
    void init();
 
    void handleTextureChanged( const QVariant &var );
 
    Qt3DRender::QParameter *mTextureParameter = nullptr;
    Qt3DRender::QTechnique *mGL3Technique = nullptr;
    Qt3DRender::QRenderPass *mGL3RenderPass = nullptr;
    Qt3DRender::QShaderProgram *mGL3Shader = nullptr;
    Qt3DRender::QFilterKey *mFilterKey = nullptr;
 
};
 
 
#endif // QGSTEXTUREMATERIAL_H