81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
/*
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This file is part of Mitsuba, a physically based rendering system.
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Copyright (c) 2007-2012 by Wenzel Jakob and others.
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Mitsuba is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License Version 3
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as published by the Free Software Foundation.
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Mitsuba is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#if !defined(__MITSUBA_BIDIR_COMMON_H_)
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#define __MITSUBA_BIDIR_COMMON_H_
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#include <mitsuba/render/scene.h>
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MTS_NAMESPACE_BEGIN
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/// Activates extra debugging checks in the bidirectional layer
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#define MTS_BD_DEBUG 1
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#if MTS_BD_DEBUG == 1
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#define BDAssert(expr) SAssert(expr)
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#else
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#define BDAssert(expr)
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#endif
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#define MAX(a, b) ((a) > (b) ? (a) : (b))
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/**
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* \brief Data record associated with path endpoints (aka supernodes)
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* in the path-space framework
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*
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* This record stores the desired time value when starting a new path.
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* For sensor subpaths, it optionally specifies the desired pixel
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* position of the path.
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*
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* \ingroup libbidir
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*/
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struct EndpointRecord {
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/// Time value associated with the path
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Float time;
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/// Create a new endpoint record for a given time value
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inline EndpointRecord(Float time)
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: time(time) { }
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/// Create a new endpoint record for a given time value
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inline EndpointRecord(Float time,
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const Point2 &uv) : time(time) { }
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/// Return a human-readable description
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std::string toString() const;
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};
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/* Forward declarations */
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struct PathVertex;
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struct PathEdge;
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struct Path;
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struct PathSeed;
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struct SplatList;
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struct MutationRecord;
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class MemoryPool;
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class SeedWorkUnit;
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class PathSampler;
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class Mutator;
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class PathSolver;
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class SpecularManifold;
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MTS_NAMESPACE_END
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#endif /* __MITSUBA_BIDIR_COMMON_H_ */
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