DiffuseSurfaceEmitter.h

Go to the documentation of this file.

#pragma once
 
#include "Core/Emitter/DiffuseSurfaceEmitterBase.h"
#include "Math/Color/Spectrum.h"
#include "Core/Texture/TTexture.h"
 
#include <Common/assertion.h>
#include <Common/primitive_type.h>
 
#include <memory>
 
namespace ph
{
 
class Primitive;
 
class DiffuseSurfaceEmitter : public DiffuseSurfaceEmitterBase
{
public:
    DiffuseSurfaceEmitter(
        const Primitive* surface,
        const std::shared_ptr<TTexture<math::Spectrum>>& emittedEnergy,
        EmitterFeatureSet featureSet = defaultFeatureSet);
 
    void evalEmittedEnergy(const SurfaceHit& Xe, math::Spectrum* out_energy) const override;
 
    void genDirectSample(
        DirectEnergySampleQuery& query,
        SampleFlow& sampleFlow,
        HitProbe& probe) const override;
 
    void calcDirectPdf(DirectEnergyPdfQuery& query) const override;
 
    void emitRay(
        EnergyEmissionSampleQuery& query,
        SampleFlow& sampleFlow,
        HitProbe& probe) const override;
 
    real calcRadiantFluxApprox() const override;
 
    const Primitive& getSurface() const;
    const TTexture<math::Spectrum>& getEmittedEnergy() const;
 
private:
    const Primitive* m_surface;
    std::shared_ptr<TTexture<math::Spectrum>> m_emittedEnergy;
};
 
inline const Primitive& DiffuseSurfaceEmitter::getSurface() const
{
    PH_ASSERT(m_surface);
    return *m_surface;
}
 
inline const TTexture<math::Spectrum>& DiffuseSurfaceEmitter::getEmittedEnergy() const
{
    PH_ASSERT(m_emittedEnergy);
    return *m_emittedEnergy;
}
 
}// end namespace ph