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-   -   AMD TressFX Technology Detailed (http://www.madshrimps.be/vbulletin/f22/amd-tressfx-technology-detailed-102759/)

Stefan Mileschin 27th February 2013 07:57

AMD TressFX Technology Detailed
 
AMD unveiled the new TressFX technology it teased us with, earlier this week. The technology, as predicted, works to create realistic hair rendering and physics; but we imagine it could be applied to foliage and hopefully, furry donuts as well. It will be first implemented in the 2013 reboot title of the Tomb Raider franchise, in which Lara Croft finally parted with her braid. TressFX helps accurately render Croft's hair, drawing finer locks of hair than pre-rendered hair textures plastered on bigger hair polygons that look unnatural. The free and fluid nature of these locks can then be used to accurately draw the effects of wind and water onto the hair. Below are a few before-after instances of TressFX.

Technically, TressFX is a toolset co-developed by AMD and Crystal Dynamics, which taps into DirectCompute to unlock the number-crunching prowess of the GPU (specifically Graphics CoreNext ones), to render individual strands of hair. It is built on the foundation laid by AMD's work on Order Independent Transparency (OIT), and uses Per-Pixel Linked-List (PPLL) data structures to manage rendering complexity and memory usage. DirectCompute is additionally used to process the physics of these strands of hair, which are affected by the character's motion, and elements such as wind and water/rain. TressFX will be implemented at least on the PC version of the upcoming Tomb Raider.

http://www.techpowerup.com/180675/AM...-Detailed.html


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