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/* RCSid $Id: pmapparm.h,v 2.8 2017/08/14 21:12:10 rschregle Exp $ */ |
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/* |
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====================================================================== |
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Parameters for photon map generation and rendering; used by mkpmap |
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and rpict/rvu/rtrace. |
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|
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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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(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: pmapparm.h,v 2.8 2017/08/14 21:12:10 rschregle Exp $ |
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*/ |
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#ifndef PMAPPARAMS_H |
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#define PMAPPARAMS_H |
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#include "pmaptype.h" |
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/* Struct for passing params per photon map from rpict/rtrace/rvu */ |
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typedef struct { |
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char *fileName; /* Photon map file */ |
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unsigned minGather, maxGather; /* Num photons to gather */ |
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unsigned long distribTarget; /* Num photons to store */ |
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} PhotonMapParams; |
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/* Bounding box for region of interest */ |
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typedef struct { |
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float min [3], max [3]; |
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} PhotonMapROI; |
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extern PhotonMapParams pmapParams [NUM_PMAP_TYPES]; |
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/* Macros for type specific photon map parameters */ |
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#define globalPmapParams (pmapParams [PMAP_TYPE_GLOBAL]) |
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#define preCompPmapParams (pmapParams [PMAP_TYPE_PRECOMP]) |
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#define causticPmapParams (pmapParams [PMAP_TYPE_CAUSTIC]) |
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#define volumePmapParams (pmapParams [PMAP_TYPE_VOLUME]) |
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#define directPmapParams (pmapParams [PMAP_TYPE_DIRECT]) |
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#define contribPmapParams (pmapParams [PMAP_TYPE_CONTRIB]) |
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extern float pdfSamples, preDistrib, finalGather, |
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gatherTolerance, maxDistFix, pmapMaxDist, |
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photonMaxDist; |
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extern unsigned long photonHeapSizeInc, photonMaxBounce; |
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extern unsigned photonRepTime, maxPreDistrib, defaultGather, |
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verbose; |
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extern unsigned pmapNumROI; |
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extern PhotonMapROI *pmapROI; |
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#ifdef PMAP_OOC |
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extern float pmapCachePageSize; |
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extern unsigned long pmapCacheSize; |
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#endif |
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struct PhotonMap; |
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int setPmapParam (struct PhotonMap **pm, const PhotonMapParams *parm); |
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/* Allocate photon map and set its parameters from parm */ |
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unsigned long parseMultiplier (const char *num); |
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/* Evaluate numeric parameter string with optional multiplier suffix |
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(G = 10^9, M = 10^6, K = 10^3). Returns 0 if parsing fails. */ |
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#endif |
