pssmlt.splat.h

/*
    Lightmetrica : A research-oriented renderer

    Copyright (c) 2014 Hisanari Otsu

    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 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#pragma once
#ifndef LIB_LIGHTMETRICA_PSSMLT_SPLAT_H
#define LIB_LIGHTMETRICA_PSSMLT_SPLAT_H

#include "common.h"
#include "math.types.h"
#include "align.h"
#include <vector>

LM_NAMESPACE_BEGIN

struct PSSMLTSplat
{

    int s;                      
    int t;                      
    Math::Vec2 rasterPos;       
    Math::Vec3 L;               

    PSSMLTSplat()
    {

    }

    PSSMLTSplat(int s, int t, const Math::Vec2& rasterPos, const Math::Vec3& L)
        : s(s)
        , t(t)
        , rasterPos(rasterPos)
        , L(L)
    {
        
    }

    PSSMLTSplat(const Math::Vec2& rasterPos, const Math::Vec3& L)
        : s(0)
        , t(0)
        , rasterPos(rasterPos)
        , L(L)
    {

    }

};

class Film;

struct PSSMLTSplats
{

    std::vector<PSSMLTSplat, aligned_allocator<PSSMLTSplat, std::alignment_of<PSSMLTSplat>::value>> splats;

    LM_PUBLIC_API Math::Float SumI() const;
    LM_PUBLIC_API void AccumulateContributionToFilm(Film& film, const Math::Float& weight) const;

};

LM_NAMESPACE_END

#endif // LIB_LIGHTMETRICA_PSSMLT_SPLAT_H