qgsambientocclusionrenderentity.h

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/***************************************************************************
  qgsambientocclusionrenderentity.h
  --------------------------------------
  Date                 : June 2022
  Copyright            : (C) 2022 by Belgacem Nedjima
  Email                : belgacem dot nedjima at gmail 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 QGSAMBIENTOCCLUSIONRENDERENTITY_H
#define QGSAMBIENTOCCLUSIONRENDERENTITY_H
 
#include "qgsrenderpassquad.h"
 
#define SIP_NO_FILE
 
namespace Qt3DRender
{
  class QCamera;
  class QParameter;
  class QTexture2D;
} //namespace Qt3DRender
 

class QgsAmbientOcclusionRenderEntity : public QgsRenderPassQuad
{
    Q_OBJECT
  public:
    QgsAmbientOcclusionRenderEntity( Qt3DRender::QTexture2D *depthTexture, Qt3DRender::QLayer *layer, Qt3DRender::QCamera *camera, QNode *parent = nullptr );

    void setIntensity( float intensity );

    void setRadius( float radius );

    void setThreshold( float threshold );
 
  private:
    Qt3DRender::QParameter *mDepthTextureParameter = nullptr;
    Qt3DRender::QParameter *mAmbientOcclusionKernelParameter = nullptr;
 
    // user configurable
    Qt3DRender::QParameter *mIntensityParameter = nullptr;
    Qt3DRender::QParameter *mRadiusParameter = nullptr;
    Qt3DRender::QParameter *mThresholdParameter = nullptr;
 
    // derived from camera parameters
    Qt3DRender::QParameter *mFarPlaneParameter = nullptr;
    Qt3DRender::QParameter *mNearPlaneParameter = nullptr;
    Qt3DRender::QParameter *mProjMatrixParameter = nullptr;
    Qt3DRender::QParameter *mAspectRatioParameter = nullptr;
    Qt3DRender::QParameter *mTanHalfFovParameter = nullptr;
};
 
#endif // QGSAMBIENTOCCLUSIONRENDERENTITY_H