I was wondering Tressfx does hair .. what does PhysX do?
I am not expert on Hardware. The only thing I can understand is that Tressfx is AMD's technology in reply to nVidia's PhysX. Lara will have the same hair like this in nVidia's PhysX card like GTX 680.
TressFX is not AMD's technology to NVidia PhysX, PhysX was a reply to Havoks physics api, they are codes for doing physics calculations and fyki PhysX sill does most of the calculations on the cpu, some are done on the gpu but most are on the cpu still. ;]. Honestly even people at ocn admit that PhysX is gimmicky at best and havoc is still a better option.
TressFX is not AMD's technology to NVidia PhysX, PhysX was a reply to Havoks physics api, they are codes for doing physics calculations and fyki PhysX sill does most of the calculations on the cpu, some are done on the gpu but most are on the cpu still. ;]. Honestly even people at ocn admit that PhysX is gimmicky at best and havoc is still a better option.
TressFX is not a replay to physx it's true but physx api was never ever a reply to havok physics too. when Ageia first developed physx, they never intended to make physx as a complete game-physics library(what havok is actually). their main aim was to develop a PPU that can calculate the physics of only a certain elements(which cause significant performance drops when running on CPU) using it's parallel execution units and an api for its own instruction set. later nvdia bought ageia and implemented the PPU architecture inside cuda cores. you can say physx is over hyped but comparing it to havok or other game physics engines is worthless....
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