JamesMK
09-23-2003, 01:12 AM
Just wondering...
Would it be possible to create a channel shader specifically for use in the reflection channel so that it would only reflect incoming samples that exceed a certain set luminance value?
What I'm thinking of here would be a method to make a material very reflective, but it would only reflect stuff that was bright enough, perhaps also including non-clamped input.
Could it be done with the standard shaders and SLA? If not, could it be done using some custom coffee code?
I wrote a VirtuaLight shader once that worked this way, and it was very useful - sort of like the best parts of raytraced reflection and standard specularity all rolled into one.
Would it be possible to create a channel shader specifically for use in the reflection channel so that it would only reflect incoming samples that exceed a certain set luminance value?
What I'm thinking of here would be a method to make a material very reflective, but it would only reflect stuff that was bright enough, perhaps also including non-clamped input.
Could it be done with the standard shaders and SLA? If not, could it be done using some custom coffee code?
I wrote a VirtuaLight shader once that worked this way, and it was very useful - sort of like the best parts of raytraced reflection and standard specularity all rolled into one.