我说的第二种情况意思是：你在prt里没乘kd/pi，然后在shader.glsl里写的是的kd/pi *sum TransportSHCoeffs*LightCoeffs，所以导致两倍不一样。
如果你shader.glsl也是直接sum TransportSHCoeffs*LightCoeffs，感觉就是gamma矫正的问题了，prt里保存png时做了如图的空间转换，在js里pow(vColor, vec3(1.0/2.2))应该就得到差不多结果了？
-
This reply was modified 3 years, 3 months ago by
cmc233.
Attachments:
You must be
logged in to view attached files.
