DensityFieldTask.h

#pragma once
 
#include "Resources/Resources.h"
#include "Resources/Buffer.h"
 
#include "Foundation/Memory/MemoryBuffer.h"
 
namespace Cogs::Core
{
  class Context;
}
 
namespace Cogs::Core::Volumetric
{
  struct DensityFieldComponent;
  struct DensityFieldData;
  struct PointDataData;
 
  struct Point
  {
    glm::uvec3 ix;
    float data;
  };
 
  struct DensityFieldTaskData
  {
    Context * context;
    std::vector<float> thresholds;
    glm::uvec3 resolution;
    bool dataAttached;
    float densityWeight;
    float boxFilterWidth;
    uint32_t boxFilterIterations;
    glm::vec3 extentMin;
    glm::vec3 extentMax;
 
    std::vector<float> rData;
    std::vector<glm::vec3> rPositions;
    float attachedDataScale = 1.f;
    float attachedDataOffset = 0.f;
 
    Memory::TypedBuffer<float> densityField;
    Memory::TypedBuffer<float> densityFieldOut;
    Memory::TypedBuffer<float> dataField;
    Memory::TypedBuffer<float> dataFieldOut;
    std::vector<Point> points;
 
    MeshHandle mesh;
 
    void update(Context * context,
                DensityFieldComponent &fieldComp,
                DensityFieldData& fieldData,
                BufferView<glm::vec3> positions,
                BufferView<float> data);
  };
 
  struct DensityFieldTask
  {
    std::shared_ptr<DensityFieldTaskData> persistentData;
    void operator()();
  };
}