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/* RCSid $Id$ */ |
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/* |
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================================================================== |
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Photon map data structures and kd-tree handling |
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Roland Schregle (roland.schregle@{hslu.ch, gmail.com}) |
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(c) Fraunhofer Institute for Solar Energy Systems, |
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Lucerne University of Applied Sciences & Arts |
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(c) Lucerne University of Applied Sciences and Arts, |
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supported by the Swiss National Science Foundation (SNSF, #147053) |
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================================================================== |
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– |
$Id$ |
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*/ |
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/* Primary photon ray for light source contributions */ |
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typedef struct { |
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short srcIdx; /* Index of emitting light source */ |
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float dir [3], org [3]; /* Incident dir & origin on source */ |
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int32 srcIdx; /* Index of emitting light source */ |
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int32 dir; /* Encoded ray direction */ |
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float pos [3]; /* Hit point */ |
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} PhotonPrimary; |
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#define photonSrcIdx(pm, p) ((pm) -> primary [(p) -> primary].srcIdx) |
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COLR flux; /* Photon flux */ |
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#endif |
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unsigned primary; /* Index to primary ray */ |
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uint32 primary; /* Index to primary ray */ |
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} Photon; |
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/* Photon flag bitmasks and manipulation macros */ |
