qgspostprocessingentity.h

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/***************************************************************************
  qgspostprocessingentity.h
  --------------------------------------
  Date                 : August 2020
  Copyright            : (C) 2020 by Belgacem Nedjima
  Email                : gb underscore nedjima at esi dot dz
 ***************************************************************************
 *                                                                         *
 *   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 QGSPOSTPROCESSINGENTITY_H
#define QGSPOSTPROCESSINGENTITY_H
 
#include "qgs3d.h"
#include "qgsrenderpassquad.h"
 
#define SIP_NO_FILE
 
class QgsFrameGraph;
class QgsShadowRenderView;
class QgsDirectionalLightSettings;
class QgsColorGradingSettings;
class QgsVector3D;
 
namespace Qt3DRender
{
  class QCamera;
  class QParameter;
} //namespace Qt3DRender
 

class QgsPostprocessingEntity : public QgsRenderPassQuad
{
    Q_OBJECT
 
  public:
    QgsPostprocessingEntity( QgsFrameGraph *frameGraph, Qt3DRender::QLayer *layer, QNode *parent = nullptr );
    void setShadowRenderingEnabled( bool enabled );

    void setShowCascadingShadowSplits( bool enabled );

    void setShadowLightIndex( int index );
    void setShadowBias( float shadowBias );

    void setShadowMapResolution( int resolution );

    void setEyeDomeLightingEnabled( bool enabled );
    void setEyeDomeLightingStrength( double strength );
    void setEyeDomeLightingDistance( int distance );

    void updateShadowSettings( const QgsVector3D &lightDirection, float maximumShadowRenderingDistance );

    void setAmbientOcclusionEnabled( bool enabled );

    void setBloomEnabled( bool enabled );

    void setBloomFactor( float factor );

    void updateColorGradingSettings( const QgsColorGradingSettings &settings );
 
  private:
    Qt3DRender::QCamera *mMainCamera = nullptr;
 
    int mShadowMapResolution = 512;
 
    Qt3DRender::QParameter *mColorTextureParameter = nullptr;
    Qt3DRender::QParameter *mDepthTextureParameter = nullptr;
    Qt3DRender::QParameter *mShadowMapParameter = nullptr;
    Qt3DRender::QParameter *mAmbientOcclusionTextureParameter = nullptr;
    Qt3DRender::QParameter *mFarPlaneParameter = nullptr;
    Qt3DRender::QParameter *mNearPlaneParameter = nullptr;
    Qt3DRender::QParameter *mMainCameraInvViewMatrixParameter = nullptr;
    Qt3DRender::QParameter *mMainCameraInvProjMatrixParameter = nullptr;
 
    Qt3DRender::QParameter *mShadowLightIndexParameter = nullptr;
    Qt3DRender::QCamera *mLightCameras[Qgs3D::NUM_SHADOW_CASCADES] = { nullptr };
    Qt3DRender::QParameter *mCsmMatricesParameter = nullptr;
    Qt3DRender::QParameter *mCsmBoundsMatricesParameter = nullptr;
    Qt3DRender::QParameter *mMaxShadowDistanceParameter = nullptr;
 
    Qt3DRender::QParameter *mRenderShadowsParameter = nullptr;
    Qt3DRender::QParameter *mShadowBiasParameter = nullptr;
    Qt3DRender::QParameter *mEyeDomeLightingEnabledParameter = nullptr;
    Qt3DRender::QParameter *mEyeDomeLightingStrengthParameter = nullptr;
    Qt3DRender::QParameter *mEyeDomeLightingDistanceParameter = nullptr;
 
    Qt3DRender::QParameter *mAmbientOcclusionEnabledParameter = nullptr;
 
    Qt3DRender::QParameter *mBloomTextureParameter = nullptr;
    Qt3DRender::QParameter *mBloomEnabledParameter = nullptr;
    Qt3DRender::QParameter *mBloomFactorParameter = nullptr;
 
    Qt3DRender::QParameter *mExposureParameter = nullptr;
    Qt3DRender::QParameter *mToneMappingParameter = nullptr;
};
 
#endif // QGSPOSTPROCESSINGENTITY_H