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采用rownum分线程查,如果原来语句取数没有特别确定顺序(如没有根据唯一id排序),每个chunk取的数据有时会不对,导致最终结果有重复值,或者有些没取到。

I am trying to use NRD for referencePT in 《ray tracing gem2》 chapter14. Now it works for opaque object. But there seems no NRD sample code for transparency. Any helps?...

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