DtLightingComponentShaderConstants.h

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/******************************************************************************
** Copyright (c) 2022 VT-MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <vrvGraphicsUtils/DtProgramConstants.h>
#include <vrvGraphicsUtils/DtVector2.h>

namespace osg
{
   class State;
}

namespace makVrv
{
   class DtGlProgram;
   class DtGlBuffer;
   class DtDe;

   class DT_DLL_VRVOSG DtLightingComponentShaderConstants : public DtProgramConstants
   {
   public:
      DtLightingComponentShaderConstants(DtDe& de);

      virtual ~DtLightingComponentShaderConstants();
   
      DtLightingComponentShaderConstants(const DtLightingComponentShaderConstants& rhs) = delete;
      DtLightingComponentShaderConstants& operator=(const DtLightingComponentShaderConstants& rhs) = delete;
   public:
      virtual void fillBufferWithCurrentValues(DtGlBuffer* shaderBufferUbo, const osg::State* state);

      virtual void init(const DtGlProgram* program) override;
   protected:
      virtual void reset(void) override;

   public:
      DtValueAndLoc<int> ufrm_debug_value = { 0, -1 };

      DtValueAndLoc<DtVector2<int>> vrv_viewport_size;
      DtValueAndLoc<DtVector2<unsigned int>> vrv_light_grid_tile_log2;
      DtValueAndLoc<DtVector2<unsigned int>> vrv_light_grid_max_dim;
      DtValueAndLoc<int> vrv_light_per_view_offset;

      DtValueAndLoc<float> vrv_lightPointScale = { 1, -1 };
      DtValueAndLoc<float> vrv_dynamicLightScale = { 1, -1 };
      DtValueAndLoc<float> vrv_emissiveTextureScale = { 1, -1 };
      DtValueAndLoc<float> vrv_specularScale = { 1, -1 };
      DtValueAndLoc<float> vrv_shininessScale = { 1, -1 };

      DtValueAndLoc<float> vrv_uGlobalEmissionScale = { 0, -1 };

      DtValueAndLoc<DtVector4<float>> vrv_fog_color;
      DtValueAndLoc<DtVector4<float>> vrv_height_fog_plane;
      DtValueAndLoc<DtVector4<float>> vrv_height_fog_params;
      DtValueAndLoc<DtVector4<float>> vrv_height_fog_color;
      DtValueAndLoc<float> vrv_fog_density = { 1, -1 };
   protected:
      DtDe& myDe;
   };
}