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/* |
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================================================================== |
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Parameters common to all photon map modules. |
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For inclusion in main program. |
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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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================================================================== |
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$Id: pmapparm.h,v 1.8 2015/01/29 13:08:38 taschreg Exp taschreg $ |
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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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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, gatherTolerance, |
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maxDistCoeff; |
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extern unsigned long photonHeapSizeInc, photonMaxBounce; |
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extern unsigned photonRepTime, maxPreDistrib, defaultGather; |
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#ifdef PMAP_ROI |
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extern float pmapROI [6]; |
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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 |
