Visibility Masks for Solving Complex Radiosity Computations on Multiprocessors

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Visibility Masks for Solving Complex Radiosity Computations on Multiprocessors

Bruno Arnaldi, Thierry Priol, Luc Renambot, Xavier Pueyo

To cite this version:

Bruno Arnaldi, Thierry Priol, Luc Renambot, Xavier Pueyo. Visibility Masks for Solving Complex Radiosity Computations on Multiprocessors. [Research Report] RR-3008, Inria. 1996. �inria-00073686�

a p p o r t

d e r e c h e r c h e

INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET EN AUTOMATIQUE

Visibility Masks for Solving Complex Radiosity Computations on Multiprocessors

Bruno Arnaldi, Thierry Priol, Luc Renambot, Xavier Pueyo

N ˚ 3008

Octobre 1996

TH `EMES 1 et 3

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j

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Object Local Environment 1

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False

True Visibility mask

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Virtual Interface Local Environment 2

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None

None

EƒˆŠ†xI€|l5qŒÒBA<n|l„‚¬7p

j

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j

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j

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j

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j

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j

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j

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j

l €|¨;ƒˆnvlp

j

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i;j

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j

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j

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p|l €K¬Nwy l n0ƒˆdp

j

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j

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j

l €;¸ˆ„–Bw‚¸gl T«Tƒˆ€v„†Œml Tpvn¶›l pK¨§ll Îp

j

lYnv„xI€v l0w‚I‹(p

j

l‘xI€v€|l Tp

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j

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j

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o

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j

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j

lYpw‚€|Š†l p¶ „m’IxIp|l €

j

w‚n¶nvl «l €wy¸f’I€|„T l nvn|„†€|nV‰p

j

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p j

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j

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j

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j

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j

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j

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j

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j

l „m’IxIpw‚p|ƒ…„΄y¬‘p

j

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t1 t2 t3 t4

LE1 LE2 LE3 LE4

Source

t1 t2 t3 t4

t5 t6

LE1,3

LE1,2

LE1,1

LE2,3

LE2,2

LE2,1

LE3,3

LE3,2

LE3,1

LE4,3

LE4,2

LE4,1

Source

EƒˆŠ†xI€|l b2Ò;o

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n|’2w‚ l=nvxI›‹Iƒˆ«Tƒ…n|ƒˆ„†¨;ƒˆp

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j

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j

lƒˆIƒˆp|ƒÏwy¸fl T«Tƒˆ€v„Iml TpB¹“TxI

j

‹w‚pw8‹Il’2l Œ‹Il I ƒˆl nB‰7ƒˆÎp

j

l’Œ€v„T l n|nvƒˆIŠd„y¬

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j

ld¸ˆ„TVw‚¸

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j

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j

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j

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j

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j

IƒˆÍ–xŒl

j

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j

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j

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j

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j

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j

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j

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j

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j

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j

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j

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j

mι i;j

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