OpaqueMicrofacet.h

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#pragma once
 
#include "Core/SurfaceBehavior/SurfaceOptics.h"
#include "Math/TVector3.h"
#include "Core/Texture/TTexture.h"
#include "Core/SurfaceBehavior/Property/Microfacet.h"
#include "Core/SurfaceBehavior/Property/ConductorFresnel.h"
 
#include <memory>
 
namespace ph
{
 
class OpaqueMicrofacet : public SurfaceOptics
{
public:
    OpaqueMicrofacet(
        const std::shared_ptr<ConductorFresnel>& fresnel,
        const std::shared_ptr<Microfacet>&       microfacet);
 
    ESurfacePhenomenon getPhenomenonOf(SurfaceElemental elemental) const override;
 
    std::string toString() const override;
 
private:
    void calcBsdf(
        const BsdfQueryContext& ctx,
        const BsdfEvalInput&    in,
        BsdfEvalOutput&         out) const override;
 
    void genBsdfSample(
        const BsdfQueryContext& ctx,
        const BsdfSampleInput&  in,
        SampleFlow&             sampleFlow,
        BsdfSampleOutput&       out) const override;
 
    void calcBsdfPdf(
        const BsdfQueryContext& ctx,
        const BsdfPdfInput&     in,
        BsdfPdfOutput&          out) const override;
 
private:
    std::shared_ptr<Microfacet>    m_microfacet;
    std::shared_ptr<FresnelEffect> m_fresnel;
};
 
// In-header Implementations:
 
inline std::string OpaqueMicrofacet::toString() const
{
    return "Opaque Microfacet, " + SurfaceOptics::toString();
}
 
}// end namespace ph