A study of incremental update of global illumination algorithms

To accept a plurality of starting factors without the use of a CPU and improve the real-time processing speed of A/D conversion, the same number of channel selection registers, mode registers and conversion result storage registers as the number of starting factors are provided and divided into groups according to the types of starting factors, and a control circuit for specifying a register group for a starting factor when the factor is generated is also provided.

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