This to avoids build conflicts with libc++ on FreeBSD, these __ prefixed values
are reserved for compilers. I apologize to anyone who has patches or branches
and has to go through the pain of merging this change, it may be easiest to do
these same replacements in your code and then apply/merge the patch.
Ref T37477.
r = lens * theta
Thanks for Adriano Oliveira for reporting this and chasing down the right formula.
Now fulldome works no longer need to use equisolid + a specific lens+sensor size.
And happy birthday to me. And yes, that's how I celebrate it ;)
other places, was mainly due to instancing not working, but also found
issues in procedural textures.
The problem was with --use_fast_math, this seems to now have way lower
precision for some operations. Disabled this flag and selectively use
fast math functions. Did not find performance regression on GTX 460 after
doing this.